enable_special_members.h: New.
2013-10-31 Michael Brune <lucdanton@free.fr> * include/bits/enable_special_members.h: New. * include/experimental/optional: New. * include/Makefile.am: Handle include/experimental. * include/Makefile.in: Regenerate. * testsuite/libstdc++-dg/conformance.exp: Run tests from testsuite/experimental sub-directory. * testsuite/experimental/optional/assignment/1.cc: New. * testsuite/experimental/optional/assignment/2.cc: New. * testsuite/experimental/optional/assignment/3.cc: New. * testsuite/experimental/optional/assignment/4.cc: New. * testsuite/experimental/optional/assignment/5.cc: New. * testsuite/experimental/optional/assignment/6.cc: New. * testsuite/experimental/optional/cons/copy.cc: New. * testsuite/experimental/optional/cons/default.cc: New. * testsuite/experimental/optional/cons/move.cc: New. * testsuite/experimental/optional/cons/value.cc: New. * testsuite/experimental/optional/constexpr/cons/default.cc: New. * testsuite/experimental/optional/constexpr/cons/value.cc: New. * testsuite/experimental/optional/constexpr/in_place.cc: New. * testsuite/experimental/optional/constexpr/make_optional.cc: New. * testsuite/experimental/optional/constexpr/nullopt.cc: New. * testsuite/experimental/optional/constexpr/observers/1.cc: New. * testsuite/experimental/optional/constexpr/observers/2.cc: New. * testsuite/experimental/optional/constexpr/observers/3.cc: New. * testsuite/experimental/optional/constexpr/observers/4.cc: New. * testsuite/experimental/optional/constexpr/observers/5.cc: New. * testsuite/experimental/optional/constexpr/relops/1.cc: New. * testsuite/experimental/optional/constexpr/relops/2.cc: New. * testsuite/experimental/optional/constexpr/relops/3.cc: New. * testsuite/experimental/optional/constexpr/relops/4.cc: New. * testsuite/experimental/optional/constexpr/relops/5.cc: New. * testsuite/experimental/optional/constexpr/relops/6.cc: New. * testsuite/experimental/optional/in_place.cc: New. * testsuite/experimental/optional/make_optional.cc: New. * testsuite/experimental/optional/nullopt.cc: New. * testsuite/experimental/optional/observers/1.cc: New. * testsuite/experimental/optional/observers/2.cc: New. * testsuite/experimental/optional/observers/3.cc: New. * testsuite/experimental/optional/observers/4.cc: New. * testsuite/experimental/optional/observers/5.cc: New. * testsuite/experimental/optional/relops/1.cc: New. * testsuite/experimental/optional/relops/2.cc: New. * testsuite/experimental/optional/relops/3.cc: New. * testsuite/experimental/optional/relops/4.cc: New. * testsuite/experimental/optional/relops/5.cc: New. * testsuite/experimental/optional/relops/6.cc: New. * testsuite/experimental/optional/requirements.cc: New. * testsuite/experimental/optional/swap/1.cc: New. From-SVN: r204299
This commit is contained in:
Michael Brune
Jonathan Wakely
parent
a792026320
commit
2b5ab1e438
48 changed files with 4785 additions and 6 deletions
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@ -1,3 +1,54 @@
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2013-10-31 Michael Brune <lucdanton@free.fr>
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* include/bits/enable_special_members.h: New.
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* include/experimental/optional: New.
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* include/Makefile.am: Handle include/experimental.
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* include/Makefile.in: Regenerate.
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* testsuite/libstdc++-dg/conformance.exp: Run tests from
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testsuite/experimental sub-directory.
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* testsuite/experimental/optional/assignment/1.cc: New.
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* testsuite/experimental/optional/assignment/2.cc: New.
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* testsuite/experimental/optional/assignment/3.cc: New.
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* testsuite/experimental/optional/assignment/4.cc: New.
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* testsuite/experimental/optional/assignment/5.cc: New.
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* testsuite/experimental/optional/assignment/6.cc: New.
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* testsuite/experimental/optional/cons/copy.cc: New.
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* testsuite/experimental/optional/cons/default.cc: New.
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* testsuite/experimental/optional/cons/move.cc: New.
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* testsuite/experimental/optional/cons/value.cc: New.
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* testsuite/experimental/optional/constexpr/cons/default.cc: New.
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* testsuite/experimental/optional/constexpr/cons/value.cc: New.
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* testsuite/experimental/optional/constexpr/in_place.cc: New.
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* testsuite/experimental/optional/constexpr/make_optional.cc: New.
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* testsuite/experimental/optional/constexpr/nullopt.cc: New.
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* testsuite/experimental/optional/constexpr/observers/1.cc: New.
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* testsuite/experimental/optional/constexpr/observers/2.cc: New.
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* testsuite/experimental/optional/constexpr/observers/3.cc: New.
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* testsuite/experimental/optional/constexpr/observers/4.cc: New.
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* testsuite/experimental/optional/constexpr/observers/5.cc: New.
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* testsuite/experimental/optional/constexpr/relops/1.cc: New.
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* testsuite/experimental/optional/constexpr/relops/2.cc: New.
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* testsuite/experimental/optional/constexpr/relops/3.cc: New.
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* testsuite/experimental/optional/constexpr/relops/4.cc: New.
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* testsuite/experimental/optional/constexpr/relops/5.cc: New.
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* testsuite/experimental/optional/constexpr/relops/6.cc: New.
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* testsuite/experimental/optional/in_place.cc: New.
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* testsuite/experimental/optional/make_optional.cc: New.
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* testsuite/experimental/optional/nullopt.cc: New.
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* testsuite/experimental/optional/observers/1.cc: New.
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* testsuite/experimental/optional/observers/2.cc: New.
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* testsuite/experimental/optional/observers/3.cc: New.
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* testsuite/experimental/optional/observers/4.cc: New.
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* testsuite/experimental/optional/observers/5.cc: New.
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* testsuite/experimental/optional/relops/1.cc: New.
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* testsuite/experimental/optional/relops/2.cc: New.
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* testsuite/experimental/optional/relops/3.cc: New.
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* testsuite/experimental/optional/relops/4.cc: New.
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* testsuite/experimental/optional/relops/5.cc: New.
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* testsuite/experimental/optional/relops/6.cc: New.
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* testsuite/experimental/optional/requirements.cc: New.
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* testsuite/experimental/optional/swap/1.cc: New.
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2013-11-01 Jonathan Wakely <jwakely.gcc@gmail.com>
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* include/bits/stl_function.h (logical_not<void>): Add noexcept.
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@ -94,6 +94,7 @@ bits_headers = \
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${bits_srcdir}/concept_check.h \
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${bits_srcdir}/cpp_type_traits.h \
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${bits_srcdir}/deque.tcc \
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${bits_srcdir}/enable_special_members.h \
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${bits_srcdir}/forward_list.h \
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${bits_srcdir}/forward_list.tcc \
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${bits_srcdir}/fstream.tcc \
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@ -633,6 +634,12 @@ decimal_headers = \
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${decimal_srcdir}/decimal \
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${decimal_srcdir}/decimal.h
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# Post-C++11 TS's
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experimental_srcdir = ${glibcxx_srcdir}/include/experimental
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experimental_builddir = ./experimental
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experimental_headers = \
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${experimental_srcdir}/optional
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# This is the common subset of C++ files that all three "C" header models use.
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c_base_srcdir = $(C_INCLUDE_DIR)
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c_base_builddir = .
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@ -910,8 +917,8 @@ endif
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allstamped = \
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stamp-std stamp-bits stamp-bits-sup stamp-c_base stamp-c_compatibility \
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stamp-backward stamp-ext stamp-pb stamp-tr1 stamp-tr2 stamp-decimal \
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stamp-debug stamp-parallel stamp-profile stamp-profile-impl \
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stamp-host
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stamp-experimental stamp-debug stamp-parallel stamp-profile \
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stamp-profile-impl stamp-host
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# List of all files that are created by explicit building, editing, or
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# catenation.
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@ -1034,6 +1041,11 @@ stamp-decimal: ${decimal_headers}
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@-cd ${decimal_builddir} && $(LN_S) $? . 2>/dev/null
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@$(STAMP) stamp-decimal
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stamp-experimental: ${experimental_headers}
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@-mkdir -p ${experimental_builddir}
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@-cd ${experimental_builddir} && $(LN_S) $? . 2>/dev/null
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@$(STAMP) stamp-experimental
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stamp-debug: ${debug_headers}
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@-mkdir -p ${debug_builddir}
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@-cd ${debug_builddir} && $(LN_S) $? . 2>/dev/null
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@ -1277,6 +1289,9 @@ install-headers:
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$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${decimal_builddir}
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for file in ${decimal_headers}; do \
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$(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${decimal_builddir}; done
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$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${experimental_builddir}
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for file in ${experimental_headers}; do \
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$(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${experimental_builddir}; done
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$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${c_base_builddir}
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for file in ${c_base_headers}; do \
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$(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${c_base_builddir}; done
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@ -1322,9 +1337,10 @@ clean-local:
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# directory. (This is more of an example of how this kind of rule can
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# be made.)
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.PRECIOUS: $(std_headers) $(c_base_headers) $(tr1_headers) $(tr2_headers)
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$(decimal_headers) $(ext_headers)
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$(decimal_headers) $(ext_headers) $(experimental_headers)
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$(std_headers): ; @:
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$(c_base_headers): ; @:
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$(tr1_headers): ; @:
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$(decimal_headers): ; @:
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$(ext_headers): ; @:
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$(experimental_headers): ; @:
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|
|
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@ -361,6 +361,7 @@ bits_headers = \
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${bits_srcdir}/concept_check.h \
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${bits_srcdir}/cpp_type_traits.h \
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${bits_srcdir}/deque.tcc \
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${bits_srcdir}/enable_special_members.h \
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${bits_srcdir}/forward_list.h \
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${bits_srcdir}/forward_list.tcc \
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${bits_srcdir}/fstream.tcc \
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@ -899,6 +900,13 @@ decimal_headers = \
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${decimal_srcdir}/decimal.h
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# Post-C++11 TS's
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experimental_srcdir = ${glibcxx_srcdir}/include/experimental
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experimental_builddir = ./experimental
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experimental_headers = \
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${experimental_srcdir}/optional
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# This is the common subset of C++ files that all three "C" header models use.
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c_base_srcdir = $(C_INCLUDE_DIR)
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c_base_builddir = .
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@ -1166,8 +1174,8 @@ PCHFLAGS = -x c++-header -nostdinc++ $(CXXFLAGS) $(VTV_PCH_CXXFLAGS)
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allstamped = \
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stamp-std stamp-bits stamp-bits-sup stamp-c_base stamp-c_compatibility \
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stamp-backward stamp-ext stamp-pb stamp-tr1 stamp-tr2 stamp-decimal \
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stamp-debug stamp-parallel stamp-profile stamp-profile-impl \
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stamp-host
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stamp-experimental stamp-debug stamp-parallel stamp-profile \
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stamp-profile-impl stamp-host
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# List of all files that are created by explicit building, editing, or
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@ -1452,6 +1460,11 @@ stamp-decimal: ${decimal_headers}
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@-cd ${decimal_builddir} && $(LN_S) $? . 2>/dev/null
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@$(STAMP) stamp-decimal
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stamp-experimental: ${experimental_headers}
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@-mkdir -p ${experimental_builddir}
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@-cd ${experimental_builddir} && $(LN_S) $? . 2>/dev/null
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@$(STAMP) stamp-experimental
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stamp-debug: ${debug_headers}
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@-mkdir -p ${debug_builddir}
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@-cd ${debug_builddir} && $(LN_S) $? . 2>/dev/null
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@ -1680,6 +1693,9 @@ install-headers:
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$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${decimal_builddir}
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for file in ${decimal_headers}; do \
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$(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${decimal_builddir}; done
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$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${experimental_builddir}
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for file in ${experimental_headers}; do \
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$(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${experimental_builddir}; done
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$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${c_base_builddir}
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for file in ${c_base_headers}; do \
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$(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${c_base_builddir}; done
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@ -1722,12 +1738,13 @@ clean-local:
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# directory. (This is more of an example of how this kind of rule can
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# be made.)
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.PRECIOUS: $(std_headers) $(c_base_headers) $(tr1_headers) $(tr2_headers)
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$(decimal_headers) $(ext_headers)
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$(decimal_headers) $(ext_headers) $(experimental_headers)
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$(std_headers): ; @:
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$(c_base_headers): ; @:
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$(tr1_headers): ; @:
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$(decimal_headers): ; @:
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$(ext_headers): ; @:
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$(experimental_headers): ; @:
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
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# Otherwise a system limit (for SysV at least) may be exceeded.
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|
|
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278
libstdc++-v3/include/bits/enable_special_members.h
Normal file
278
libstdc++-v3/include/bits/enable_special_members.h
Normal file
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@ -0,0 +1,278 @@
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// <bits/enable_special_members.h> -*- C++ -*-
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// Copyright (C) 2013 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file bits/enable_special_members.h
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly.
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*/
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#ifndef _ENABLE_SPECIAL_MEMBERS_H
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#define _ENABLE_SPECIAL_MEMBERS_H 1
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#pragma GCC system_header
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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/**
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* @brief A mixin helper to conditionally enable or disable the default
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* constructor.
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* @sa _Enable_special_members
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*/
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template<bool _Switch, typename _Tag = void>
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struct _Enable_default_constructor { };
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/**
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* @brief A mixin helper to conditionally enable or disable the default
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* destructor.
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* @sa _Enable_special_members
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*/
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template<bool _Switch, typename _Tag = void>
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struct _Enable_destructor { };
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/**
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* @brief A mixin helper to conditionally enable or disable the copy/move
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* special members.
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* @sa _Enable_special_members
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*/
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template<bool _Copy, bool _CopyAssignment,
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bool _Move, bool _MoveAssignment,
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typename _Tag = void>
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struct _Enable_copy_move { };
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/**
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* @brief A mixin helper to conditionally enable or disable the special
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* members.
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*
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* The @c _Tag type parameter is to make mixin bases unique and thus avoid
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* ambiguities.
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*/
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template<bool _Default, bool _Destructor,
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bool _Copy, bool _CopyAssignment,
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bool _Move, bool _MoveAssignment,
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typename _Tag = void>
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struct _Enable_special_members
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: private _Enable_default_constructor<_Default, _Tag>,
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private _Enable_destructor<_Destructor, _Tag>,
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private _Enable_copy_move<_Copy, _CopyAssignment,
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_Move, _MoveAssignment,
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_Tag>
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{ };
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// Boilerplate follows.
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template<typename _Tag>
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struct _Enable_default_constructor<false, _Tag>
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{ constexpr _Enable_default_constructor() noexcept = delete; };
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template<typename _Tag>
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struct _Enable_destructor<false, _Tag>
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{ ~_Enable_destructor() noexcept = delete; };
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template<typename _Tag>
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struct _Enable_copy_move<false, true, true, true, _Tag>
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{
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constexpr _Enable_copy_move() noexcept = default;
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constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
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constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = default;
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_Enable_copy_move&
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operator=(_Enable_copy_move const&) noexcept = default;
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_Enable_copy_move&
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operator=(_Enable_copy_move&&) noexcept = default;
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};
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template<typename _Tag>
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struct _Enable_copy_move<true, false, true, true, _Tag>
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{
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constexpr _Enable_copy_move() noexcept = default;
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constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = default;
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||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = default;
|
||||
_Enable_copy_move&
|
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operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
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operator=(_Enable_copy_move&&) noexcept = default;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<false, false, true, true, _Tag>
|
||||
{
|
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constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = default;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<true, true, false, true, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = default;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<false, true, false, true, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = default;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<true, false, false, true, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = default;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<false, false, false, true, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = default;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<true, true, true, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<false, true, true, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<true, false, true, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<false, false, true, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<true, true, false, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<false, true, false, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = default;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<true, false, false, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
template<typename _Tag>
|
||||
struct _Enable_copy_move<false, false, false, false, _Tag>
|
||||
{
|
||||
constexpr _Enable_copy_move() noexcept = default;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept = delete;
|
||||
constexpr _Enable_copy_move(_Enable_copy_move&&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move const&) noexcept = delete;
|
||||
_Enable_copy_move&
|
||||
operator=(_Enable_copy_move&&) noexcept = delete;
|
||||
};
|
||||
|
||||
_GLIBCXX_END_NAMESPACE_VERSION
|
||||
} // namespace std
|
||||
|
||||
#endif // _ENABLE_SPECIAL_MEMBERS_H
|
||||
828
libstdc++-v3/include/experimental/optional
Normal file
828
libstdc++-v3/include/experimental/optional
Normal file
|
|
@ -0,0 +1,828 @@
|
|||
// <optional> -*- C++ -*-
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// Under Section 7 of GPL version 3, you are granted additional
|
||||
// permissions described in the GCC Runtime Library Exception, version
|
||||
// 3.1, as published by the Free Software Foundation.
|
||||
|
||||
// You should have received a copy of the GNU General Public License and
|
||||
// a copy of the GCC Runtime Library Exception along with this program;
|
||||
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
/** @file experimental/optional
|
||||
* This is a TS C++ Library header.
|
||||
*/
|
||||
|
||||
#ifndef _GLIBCXX_EXPERIMENTAL_OPTIONAL
|
||||
#define _GLIBCXX_EXPERIMENTAL_OPTIONAL 1
|
||||
|
||||
/**
|
||||
* @defgroup experimental Experimental
|
||||
*
|
||||
* Components specified by various Technical Specifications.
|
||||
*/
|
||||
|
||||
#if __cplusplus <= 201103L
|
||||
# include <bits/c++14_warning.h>
|
||||
#else
|
||||
|
||||
#include <utility>
|
||||
#include <type_traits>
|
||||
#include <stdexcept>
|
||||
#include <new>
|
||||
#include <initializer_list>
|
||||
#include <bits/functexcept.h>
|
||||
#include <bits/functional_hash.h>
|
||||
#include <bits/enable_special_members.h>
|
||||
|
||||
namespace std _GLIBCXX_VISIBILITY(default)
|
||||
{
|
||||
namespace experimental
|
||||
{
|
||||
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
||||
|
||||
/**
|
||||
* @defgroup optional Optional values
|
||||
* @ingroup experimental
|
||||
*
|
||||
* Class template for optional values and surrounding facilities, as
|
||||
* described in n3793 "A proposal to add a utility class to represent
|
||||
* optional objects (Revision 5)".
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
// All subsequent [X.Y.n] references are against n3793.
|
||||
|
||||
// [X.Y.4]
|
||||
template<typename _Tp>
|
||||
class optional;
|
||||
|
||||
// [X.Y.5]
|
||||
/// Tag type for in-place construction.
|
||||
struct in_place_t { };
|
||||
|
||||
/// Tag for in-place construction.
|
||||
constexpr in_place_t in_place { };
|
||||
|
||||
// [X.Y.6]
|
||||
/// Tag type to disengage optional objects.
|
||||
struct nullopt_t
|
||||
{
|
||||
// Do not user-declare default constructor at all for
|
||||
// optional_value = {} syntax to work.
|
||||
// nullopt_t() = delete;
|
||||
|
||||
// Used for constructing nullopt.
|
||||
enum class _Construct { _Token };
|
||||
|
||||
// Must be constexpr for nullopt_t to be literal.
|
||||
explicit constexpr nullopt_t(_Construct) { }
|
||||
};
|
||||
|
||||
// [X.Y.6]
|
||||
/// Tag to disengage optional objects.
|
||||
constexpr nullopt_t nullopt { nullopt_t::_Construct::_Token };
|
||||
|
||||
// [X.Y.7]
|
||||
/**
|
||||
* @brief Exception class thrown when a disengaged optional object is
|
||||
* dereferenced.
|
||||
* @ingroup exceptions
|
||||
*/
|
||||
class bad_optional_access : public logic_error
|
||||
{
|
||||
public:
|
||||
// XXX Should not be inline
|
||||
explicit bad_optional_access(const string& __arg) : logic_error(__arg) { }
|
||||
|
||||
explicit bad_optional_access(const char* __arg) : logic_error(__arg) { }
|
||||
|
||||
virtual ~bad_optional_access() noexcept = default;
|
||||
};
|
||||
|
||||
void
|
||||
__throw_bad_optional_access(const char*)
|
||||
__attribute__((__noreturn__));
|
||||
|
||||
// XXX Does not belong here.
|
||||
inline void
|
||||
__throw_bad_optional_access(const char* __s)
|
||||
{ _GLIBCXX_THROW_OR_ABORT(bad_optional_access(__s)); }
|
||||
|
||||
template<typename _Tp, typename _Sfinae = void>
|
||||
struct _Has_addressof_impl : std::false_type { };
|
||||
|
||||
template<typename _Tp>
|
||||
struct _Has_addressof_impl<_Tp,
|
||||
decltype( std::declval<const _Tp&>().operator&(), void() )>
|
||||
: std::true_type { };
|
||||
|
||||
/**
|
||||
* @brief Trait that detects the presence of an overloaded unary operator&.
|
||||
*
|
||||
* Practically speaking this detects the presence of such an operator when
|
||||
* called on a const-qualified lvalue (i.e.
|
||||
* declval<_Tp * const&>().operator&()).
|
||||
*/
|
||||
template<typename _Tp>
|
||||
struct _Has_addressof : _Has_addressof_impl<_Tp>::type { };
|
||||
|
||||
/**
|
||||
* @brief An overload that attempts to take the address of an lvalue as a
|
||||
* constant expression. Falls back to __addressof in the presence of an
|
||||
* overloaded addressof operator (unary operator&), in which case the call
|
||||
* will not be a constant expression.
|
||||
*/
|
||||
template<typename _Tp, typename enable_if<!_Has_addressof<_Tp>::value,
|
||||
int>::type...>
|
||||
constexpr _Tp* __constexpr_addressof(_Tp& __t)
|
||||
{ return &__t; }
|
||||
|
||||
/**
|
||||
* @brief Fallback overload that defers to __addressof.
|
||||
*/
|
||||
template<typename _Tp, typename enable_if<_Has_addressof<_Tp>::value,
|
||||
int>::type...>
|
||||
_Tp* __constexpr_addressof(_Tp& __t)
|
||||
{ return std::__addressof(__t); }
|
||||
|
||||
/**
|
||||
* @brief Class template that holds the necessary state for @ref optional
|
||||
* and that has the responsibility for construction and the special members.
|
||||
*
|
||||
* Such a separate base class template is necessary in order to
|
||||
* conditionally enable the special members (e.g. copy/move constructors).
|
||||
* Note that this means that @ref _Optional_base implements the
|
||||
* functionality for copy and move assignment, but not for converting
|
||||
* assignment.
|
||||
*
|
||||
* @see optional, _Enable_special_members
|
||||
*/
|
||||
template<typename _Tp, bool _ShouldProvideDestructor =
|
||||
!is_trivially_destructible<_Tp>::value>
|
||||
class _Optional_base
|
||||
{
|
||||
private:
|
||||
// Remove const to avoid prohibition of reusing object storage for
|
||||
// const-qualified types in [3.8/9]. This is strictly internal
|
||||
// and even optional itself is oblivious to it.
|
||||
using _Stored_type = typename remove_const<_Tp>::type;
|
||||
|
||||
public:
|
||||
// [X.Y.4.1] Constructors.
|
||||
|
||||
// Constructors for disengaged optionals.
|
||||
constexpr _Optional_base() noexcept
|
||||
: _M_empty{} { }
|
||||
|
||||
constexpr _Optional_base(nullopt_t) noexcept
|
||||
: _Optional_base{} { }
|
||||
|
||||
// Constructors for engaged optionals.
|
||||
constexpr _Optional_base(const _Tp& __t)
|
||||
: _M_payload(__t), _M_engaged(true) { }
|
||||
|
||||
constexpr _Optional_base(_Tp&& __t)
|
||||
: _M_payload(std::move(__t)), _M_engaged(true) { }
|
||||
|
||||
template<typename... _Args>
|
||||
constexpr explicit _Optional_base(in_place_t, _Args&&... __args)
|
||||
: _M_payload(std::forward<_Args>(__args)...), _M_engaged(true) { }
|
||||
|
||||
template<typename _Up, typename... _Args,
|
||||
typename enable_if<is_constructible<_Tp,
|
||||
initializer_list<_Up>&,
|
||||
_Args&&...>::value,
|
||||
int>::type...>
|
||||
constexpr explicit _Optional_base(in_place_t,
|
||||
initializer_list<_Up> __il,
|
||||
_Args&&... __args)
|
||||
: _M_payload(__il, std::forward<_Args>(__args)...),
|
||||
_M_engaged(true) { }
|
||||
|
||||
// Copy and move constructors.
|
||||
_Optional_base(const _Optional_base& __other)
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(__other._M_get());
|
||||
}
|
||||
|
||||
_Optional_base(_Optional_base&& __other)
|
||||
noexcept(is_nothrow_move_constructible<_Tp>())
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(std::move(__other._M_get()));
|
||||
}
|
||||
|
||||
// [X.Y.4.3] (partly) Assignment.
|
||||
_Optional_base&
|
||||
operator=(const _Optional_base& __other)
|
||||
{
|
||||
if (this->_M_engaged && __other._M_engaged)
|
||||
this->_M_get() = __other._M_get();
|
||||
else
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(__other._M_get());
|
||||
else
|
||||
this->_M_reset();
|
||||
}
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
_Optional_base&
|
||||
operator=(_Optional_base&& __other)
|
||||
noexcept(is_nothrow_move_constructible<_Tp>()
|
||||
&& is_nothrow_move_assignable<_Tp>())
|
||||
{
|
||||
if (this->_M_engaged && __other._M_engaged)
|
||||
this->_M_get() = std::move(__other._M_get());
|
||||
else
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(std::move(__other._M_get()));
|
||||
else
|
||||
this->_M_reset();
|
||||
}
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
// [X.Y.4.2] Destructor.
|
||||
~_Optional_base()
|
||||
{
|
||||
if (this->_M_engaged)
|
||||
this->_M_payload.~_Stored_type();
|
||||
}
|
||||
|
||||
// The following functionality is also needed by optional, hence the
|
||||
// protected accessibility.
|
||||
protected:
|
||||
constexpr bool _M_is_engaged() const noexcept
|
||||
{ return this->_M_engaged; }
|
||||
|
||||
// The _M_get operations have _M_engaged as a precondition.
|
||||
_Tp&
|
||||
_M_get() noexcept
|
||||
{ return _M_payload; }
|
||||
|
||||
constexpr const _Tp&
|
||||
_M_get() const noexcept
|
||||
{ return _M_payload; }
|
||||
|
||||
// The _M_construct operation has !_M_engaged as a precondition
|
||||
// while _M_destruct has _M_engaged as a precondition.
|
||||
template<typename... _Args>
|
||||
void
|
||||
_M_construct(_Args&&... __args)
|
||||
noexcept(is_nothrow_constructible<_Stored_type, _Args...>())
|
||||
{
|
||||
::new (std::__addressof(this->_M_payload))
|
||||
_Stored_type(std::forward<_Args>(__args)...);
|
||||
this->_M_engaged = true;
|
||||
}
|
||||
|
||||
void
|
||||
_M_destruct()
|
||||
{
|
||||
this->_M_engaged = false;
|
||||
this->_M_payload.~_Stored_type();
|
||||
}
|
||||
|
||||
// _M_reset is a 'safe' operation with no precondition.
|
||||
void
|
||||
_M_reset()
|
||||
{
|
||||
if (this->_M_engaged)
|
||||
this->_M_destruct();
|
||||
}
|
||||
|
||||
private:
|
||||
struct _Empty_byte { };
|
||||
union {
|
||||
_Empty_byte _M_empty;
|
||||
_Stored_type _M_payload;
|
||||
};
|
||||
bool _M_engaged = false;
|
||||
};
|
||||
|
||||
/// Partial specialization that is exactly identical to the primary template
|
||||
/// save for not providing a destructor, to fulfill triviality requirements.
|
||||
template<typename _Tp>
|
||||
class _Optional_base<_Tp, false>
|
||||
{
|
||||
private:
|
||||
using _Stored_type = typename remove_const<_Tp>::type;
|
||||
|
||||
public:
|
||||
constexpr _Optional_base() noexcept
|
||||
: _M_empty{} { }
|
||||
|
||||
constexpr _Optional_base(nullopt_t) noexcept
|
||||
: _Optional_base{} { }
|
||||
|
||||
constexpr _Optional_base(const _Tp& __t)
|
||||
: _M_payload(__t), _M_engaged(true) { }
|
||||
|
||||
constexpr _Optional_base(_Tp&& __t)
|
||||
: _M_payload(std::move(__t)), _M_engaged(true) { }
|
||||
|
||||
template<typename... _Args>
|
||||
constexpr explicit _Optional_base(in_place_t, _Args&&... __args)
|
||||
: _M_payload(std::forward<_Args>(__args)...), _M_engaged(true) { }
|
||||
|
||||
template<typename _Up, typename... _Args,
|
||||
typename enable_if<is_constructible<_Tp,
|
||||
initializer_list<_Up>&,
|
||||
_Args&&...>::value,
|
||||
int>::type...>
|
||||
constexpr explicit _Optional_base(in_place_t,
|
||||
initializer_list<_Up> __il,
|
||||
_Args&&... __args)
|
||||
: _M_payload(__il, std::forward<_Args>(__args)...),
|
||||
_M_engaged(true) { }
|
||||
|
||||
_Optional_base(const _Optional_base& __other)
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(__other._M_get());
|
||||
}
|
||||
|
||||
_Optional_base(_Optional_base&& __other)
|
||||
noexcept(is_nothrow_move_constructible<_Tp>())
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(std::move(__other._M_get()));
|
||||
}
|
||||
|
||||
_Optional_base&
|
||||
operator=(const _Optional_base& __other)
|
||||
{
|
||||
if (this->_M_engaged && __other._M_engaged)
|
||||
this->_M_get() = __other._M_get();
|
||||
else
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(__other._M_get());
|
||||
else
|
||||
this->_M_reset();
|
||||
}
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
_Optional_base&
|
||||
operator=(_Optional_base&& __other)
|
||||
noexcept(is_nothrow_move_constructible<_Tp>()
|
||||
&& is_nothrow_move_assignable<_Tp>())
|
||||
{
|
||||
if (this->_M_engaged && __other._M_engaged)
|
||||
this->_M_get() = std::move(__other._M_get());
|
||||
else
|
||||
{
|
||||
if (__other._M_engaged)
|
||||
this->_M_construct(std::move(__other._M_get()));
|
||||
else
|
||||
this->_M_reset();
|
||||
}
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
// Sole difference
|
||||
// ~_Optional_base() noexcept = default;
|
||||
|
||||
protected:
|
||||
constexpr bool _M_is_engaged() const noexcept
|
||||
{ return this->_M_engaged; }
|
||||
|
||||
_Tp&
|
||||
_M_get() noexcept
|
||||
{ return _M_payload; }
|
||||
|
||||
constexpr const _Tp&
|
||||
_M_get() const noexcept
|
||||
{ return _M_payload; }
|
||||
|
||||
template<typename... _Args>
|
||||
void
|
||||
_M_construct(_Args&&... __args)
|
||||
noexcept(is_nothrow_constructible<_Stored_type, _Args...>())
|
||||
{
|
||||
::new (std::__addressof(this->_M_payload))
|
||||
_Stored_type(std::forward<_Args>(__args)...);
|
||||
this->_M_engaged = true;
|
||||
}
|
||||
|
||||
void
|
||||
_M_destruct()
|
||||
{
|
||||
this->_M_engaged = false;
|
||||
this->_M_payload.~_Stored_type();
|
||||
}
|
||||
|
||||
void
|
||||
_M_reset()
|
||||
{
|
||||
if (this->_M_engaged)
|
||||
this->_M_destruct();
|
||||
}
|
||||
|
||||
private:
|
||||
struct _Empty_byte { };
|
||||
union {
|
||||
_Empty_byte _M_empty;
|
||||
_Stored_type _M_payload;
|
||||
};
|
||||
bool _M_engaged = false;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Class template for optional values.
|
||||
*/
|
||||
template<typename _Tp>
|
||||
class optional
|
||||
: private _Optional_base<_Tp>,
|
||||
private _Enable_copy_move<
|
||||
// Copy constructor.
|
||||
is_copy_constructible<_Tp>::value,
|
||||
// Copy assignment.
|
||||
is_copy_constructible<_Tp>::value
|
||||
&& is_copy_assignable<_Tp>::value,
|
||||
// Move constructor.
|
||||
is_move_constructible<_Tp>::value,
|
||||
// Move assignment.
|
||||
is_move_constructible<_Tp>::value
|
||||
&& is_move_assignable<_Tp>::value,
|
||||
// Unique tag type.
|
||||
optional<_Tp>>
|
||||
{
|
||||
static_assert(!is_same<typename remove_cv<_Tp>::type,
|
||||
nullopt_t>()
|
||||
&& !is_same<typename remove_cv<_Tp>::type,
|
||||
in_place_t>()
|
||||
&& !is_reference<_Tp>(),
|
||||
"Invalid instantiation of optional<T>.");
|
||||
|
||||
private:
|
||||
using _Base = _Optional_base<_Tp>;
|
||||
|
||||
public:
|
||||
using value_type = _Tp;
|
||||
|
||||
// _Optional_base has the responsibility for construction.
|
||||
using _Base::_Base;
|
||||
|
||||
// [X.Y.4.3] (partly) Assignment.
|
||||
optional&
|
||||
operator=(nullopt_t) noexcept
|
||||
{
|
||||
this->_M_reset();
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<typename _Up>
|
||||
typename enable_if<
|
||||
is_same<_Tp, typename decay<_Up>::type>::value,
|
||||
optional&
|
||||
>::type
|
||||
operator=(_Up&& __u)
|
||||
{
|
||||
static_assert(is_constructible<_Tp, _Up>()
|
||||
&& is_assignable<_Tp&, _Up>(),
|
||||
"Cannot assign to value type from argument.");
|
||||
|
||||
if (this->_M_is_engaged())
|
||||
this->_M_get() = std::forward<_Up>(__u);
|
||||
else
|
||||
this->_M_construct(std::forward<_Up>(__u));
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
template<typename... _Args>
|
||||
void
|
||||
emplace(_Args&&... __args)
|
||||
{
|
||||
static_assert(is_constructible<_Tp, _Args&&...>(),
|
||||
"Cannot emplace value type from arguments.");
|
||||
|
||||
this->_M_reset();
|
||||
this->_M_construct(std::forward<_Args>(__args)...);
|
||||
}
|
||||
|
||||
template<typename _Up, typename... _Args>
|
||||
typename enable_if<
|
||||
is_constructible<_Tp,
|
||||
initializer_list<_Up>&,
|
||||
_Args&&...>::value
|
||||
>::type
|
||||
emplace(initializer_list<_Up> __il, _Args&&... __args)
|
||||
{
|
||||
this->_M_reset();
|
||||
this->_M_construct(__il, std::forward<_Args>(__args)...);
|
||||
}
|
||||
|
||||
// [X.Y.4.2] Destructor is implicit, implemented in _Optional_base.
|
||||
|
||||
// [X.Y.4.4] Swap.
|
||||
void
|
||||
swap(optional& __other)
|
||||
noexcept(is_nothrow_move_constructible<_Tp>()
|
||||
&& noexcept(swap(declval<_Tp&>(), declval<_Tp&>())))
|
||||
{
|
||||
using std::swap;
|
||||
|
||||
if (this->_M_is_engaged() && __other._M_is_engaged())
|
||||
swap(this->_M_get(), __other._M_get());
|
||||
else if (this->_M_is_engaged())
|
||||
{
|
||||
__other._M_construct(std::move(this->_M_get()));
|
||||
this->_M_destruct();
|
||||
}
|
||||
else if (__other._M_is_engaged())
|
||||
{
|
||||
this->_M_construct(std::move(__other._M_get()));
|
||||
__other._M_destruct();
|
||||
}
|
||||
}
|
||||
|
||||
// [X.Y.4.5] Observers.
|
||||
constexpr const _Tp*
|
||||
operator->() const
|
||||
{ return __constexpr_addressof(this->_M_get()); }
|
||||
|
||||
_Tp*
|
||||
operator->()
|
||||
{ return std::__addressof(this->_M_get()); }
|
||||
|
||||
constexpr const _Tp&
|
||||
operator*() const
|
||||
{ return this->_M_get(); }
|
||||
|
||||
_Tp&
|
||||
operator*()
|
||||
{ return this->_M_get(); }
|
||||
|
||||
constexpr explicit operator bool() const noexcept
|
||||
{ return this->_M_is_engaged(); }
|
||||
|
||||
constexpr const _Tp&
|
||||
value() const
|
||||
{
|
||||
return this->_M_is_engaged() ?
|
||||
this->_M_get() :
|
||||
(__throw_bad_optional_access("Attempt to access value of a disengaged"
|
||||
" optional object."),
|
||||
this->_M_get());
|
||||
}
|
||||
|
||||
_Tp&
|
||||
value()
|
||||
{
|
||||
if (this->_M_is_engaged())
|
||||
return this->_M_get();
|
||||
|
||||
__throw_bad_optional_access("Attempt to access value of a disengaged"
|
||||
" optional object.");
|
||||
}
|
||||
|
||||
template<typename _Up>
|
||||
constexpr _Tp
|
||||
value_or(_Up&& __u) const&
|
||||
{
|
||||
static_assert(is_copy_constructible<_Tp>()
|
||||
&& is_convertible<_Up&&, _Tp>(),
|
||||
"Cannot return value.");
|
||||
|
||||
return this->_M_is_engaged() ?
|
||||
this->_M_get() :
|
||||
static_cast<_Tp>(std::forward<_Up>(__u));
|
||||
}
|
||||
|
||||
template<typename _Up>
|
||||
_Tp
|
||||
value_or(_Up&& __u) &&
|
||||
{
|
||||
static_assert( is_move_constructible<_Tp>()
|
||||
&& is_convertible<_Up&&, _Tp>(),
|
||||
"Cannot return value." );
|
||||
|
||||
return this->_M_is_engaged() ?
|
||||
std::move(this->_M_get()) :
|
||||
static_cast<_Tp>(std::forward<_Up>(__u));
|
||||
}
|
||||
};
|
||||
|
||||
// [X.Y.8] Comparisons between optional values.
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator==(const optional<_Tp>& __lhs, const optional<_Tp>& __rhs)
|
||||
{
|
||||
return static_cast<bool>(__lhs) == static_cast<bool>(__rhs)
|
||||
&& (!__lhs || *__lhs == *__rhs);
|
||||
}
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator!=(const optional<_Tp>& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return !(__lhs == __rhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<(const optional<_Tp>& __lhs, const optional<_Tp>& __rhs)
|
||||
{
|
||||
return static_cast<bool>(__rhs)
|
||||
&& (!__lhs || *__lhs < *__rhs);
|
||||
}
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>(const optional<_Tp>& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return __rhs < __lhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<=(const optional<_Tp>& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return !(__rhs < __lhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>=(const optional<_Tp>& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return !(__lhs < __rhs); }
|
||||
|
||||
// [X.Y.9] Comparisons with nullopt.
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator==(const optional<_Tp>& __lhs, nullopt_t) noexcept
|
||||
{ return !__lhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator==(nullopt_t, const optional<_Tp>& __rhs) noexcept
|
||||
{ return !__rhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator!=(const optional<_Tp>& __lhs, nullopt_t) noexcept
|
||||
{ return static_cast<bool>(__lhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator!=(nullopt_t, const optional<_Tp>& __rhs) noexcept
|
||||
{ return static_cast<bool>(__rhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<(const optional<_Tp>& /* __lhs */, nullopt_t) noexcept
|
||||
{ return false; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<(nullopt_t, const optional<_Tp>& __rhs) noexcept
|
||||
{ return static_cast<bool>(__rhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>(const optional<_Tp>& __lhs, nullopt_t) noexcept
|
||||
{ return static_cast<bool>(__lhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>(nullopt_t, const optional<_Tp>& /* __rhs */) noexcept
|
||||
{ return false; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<=(const optional<_Tp>& __lhs, nullopt_t) noexcept
|
||||
{ return !__lhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<=(nullopt_t, const optional<_Tp>& /* __rhs */) noexcept
|
||||
{ return true; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>=(const optional<_Tp>& /* __lhs */, nullopt_t) noexcept
|
||||
{ return true; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>=(nullopt_t, const optional<_Tp>& __rhs) noexcept
|
||||
{ return !__rhs; }
|
||||
|
||||
// [X.Y.10] Comparisons with value type.
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator==(const optional<_Tp>& __lhs, const _Tp& __rhs)
|
||||
{ return __lhs && *__lhs == __rhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator==(const _Tp& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return __rhs && __lhs == *__rhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator!=(const optional<_Tp>& __lhs, _Tp const& __rhs)
|
||||
{ return !__lhs || *__lhs != __rhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator!=(const _Tp& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return !__rhs || __lhs != *__rhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<(const optional<_Tp>& __lhs, const _Tp& __rhs)
|
||||
{ return !__lhs || *__lhs < __rhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<(const _Tp& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return __rhs && __lhs < *__rhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>(const optional<_Tp>& __lhs, const _Tp& __rhs)
|
||||
{ return __lhs && __rhs < *__lhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>(const _Tp& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return !__rhs || *__rhs < __lhs; }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<=(const optional<_Tp>& __lhs, const _Tp& __rhs)
|
||||
{ return !__lhs || !(__rhs < *__lhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator<=(const _Tp& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return __rhs && !(*__rhs < __lhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>=(const optional<_Tp>& __lhs, const _Tp& __rhs)
|
||||
{ return __lhs && !(*__lhs < __rhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr bool
|
||||
operator>=(const _Tp& __lhs, const optional<_Tp>& __rhs)
|
||||
{ return !__rhs || !(__lhs < *__rhs); }
|
||||
|
||||
// [X.Y.11]
|
||||
template<typename _Tp>
|
||||
void
|
||||
swap(optional<_Tp>& __lhs, optional<_Tp>& __rhs)
|
||||
noexcept(noexcept(__lhs.swap(__rhs)))
|
||||
{ __lhs.swap(__rhs); }
|
||||
|
||||
template<typename _Tp>
|
||||
constexpr optional<typename decay<_Tp>::type>
|
||||
make_optional(_Tp&& __t)
|
||||
{ return optional<typename decay<_Tp>::type> { std::forward<_Tp>(__t) }; }
|
||||
|
||||
// @} group optional
|
||||
_GLIBCXX_END_NAMESPACE_VERSION
|
||||
}
|
||||
|
||||
// [X.Y.12]
|
||||
template<typename _Tp>
|
||||
struct hash<experimental::optional<_Tp>>
|
||||
{
|
||||
using result_type = size_t;
|
||||
using argument_type = experimental::optional<_Tp>;
|
||||
|
||||
size_t
|
||||
operator()(const experimental::optional<_Tp>& __t) const
|
||||
noexcept(noexcept(hash<_Tp> {}(*__t)))
|
||||
{
|
||||
// We pick an arbitrary hash for disengaged optionals which hopefully
|
||||
// usual values of _Tp won't typically hash to.
|
||||
constexpr size_t __magic_disengaged_hash = static_cast<size_t>(-3333);
|
||||
return __t ? hash<_Tp> {}(*__t) : __magic_disengaged_hash;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
#endif // C++14
|
||||
|
||||
#endif // _GLIBCXX_EXPERIMENTAL_OPTIONAL
|
||||
195
libstdc++-v3/testsuite/experimental/optional/assignment/1.cc
Normal file
195
libstdc++-v3/testsuite/experimental/optional/assignment/1.cc
Normal file
|
|
@ -0,0 +1,195 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct exception {};
|
||||
|
||||
int counter = 0;
|
||||
|
||||
struct mixin_counter
|
||||
{
|
||||
mixin_counter() { ++counter; }
|
||||
mixin_counter(mixin_counter const&) { ++counter; }
|
||||
~mixin_counter() { --counter; }
|
||||
};
|
||||
|
||||
struct value_type : private mixin_counter
|
||||
{
|
||||
enum state_type
|
||||
{
|
||||
zero,
|
||||
moved_from,
|
||||
throwing_construction,
|
||||
throwing_copy,
|
||||
throwing_copy_assignment,
|
||||
throwing_move,
|
||||
throwing_move_assignment,
|
||||
threw,
|
||||
};
|
||||
|
||||
value_type() = default;
|
||||
|
||||
explicit value_type(state_type state_)
|
||||
: state(state_)
|
||||
{
|
||||
throw_if(throwing_construction);
|
||||
}
|
||||
|
||||
value_type(value_type const& other)
|
||||
: state(other.state)
|
||||
{
|
||||
throw_if(throwing_copy);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type const& other)
|
||||
{
|
||||
state = other.state;
|
||||
throw_if(throwing_copy_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
value_type(value_type&& other)
|
||||
: state(other.state)
|
||||
{
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type&& other)
|
||||
{
|
||||
state = other.state;
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
void throw_if(state_type match)
|
||||
{
|
||||
if(state == match)
|
||||
{
|
||||
state = threw;
|
||||
throw exception {};
|
||||
}
|
||||
}
|
||||
|
||||
state_type state = zero;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using S = value_type::state_type;
|
||||
auto const make = [](S s = S::zero) { return O { std::experimental::in_place, s }; };
|
||||
|
||||
enum outcome_type { nothrow, caught, bad_catch };
|
||||
|
||||
// Check copy/move assignment for disengaged optional
|
||||
|
||||
// From disengaged optional
|
||||
{
|
||||
O o;
|
||||
VERIFY( !o );
|
||||
O p;
|
||||
o = p;
|
||||
VERIFY( !o );
|
||||
VERIFY( !p );
|
||||
}
|
||||
|
||||
{
|
||||
O o;
|
||||
VERIFY( !o );
|
||||
O p;
|
||||
o = std::move(p);
|
||||
VERIFY( !o );
|
||||
VERIFY( !p );
|
||||
}
|
||||
|
||||
{
|
||||
O o;
|
||||
VERIFY( !o );
|
||||
o = {};
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
// From engaged optional
|
||||
{
|
||||
O o;
|
||||
VERIFY( !o );
|
||||
O p = make(S::throwing_copy_assignment);
|
||||
o = p;
|
||||
VERIFY( o && o->state == S::throwing_copy_assignment );
|
||||
VERIFY( p && p->state == S::throwing_copy_assignment );
|
||||
}
|
||||
|
||||
{
|
||||
O o;
|
||||
VERIFY( !o );
|
||||
O p = make(S::throwing_move_assignment);
|
||||
o = std::move(p);
|
||||
VERIFY( o && o->state == S::throwing_move_assignment );
|
||||
VERIFY( p && p->state == S::moved_from );
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o;
|
||||
VERIFY( !o );
|
||||
O p = make(S::throwing_copy);
|
||||
|
||||
try
|
||||
{
|
||||
o = p;
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( outcome == caught );
|
||||
VERIFY( !o );
|
||||
VERIFY( p && p->state == S::throwing_copy );
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o;
|
||||
VERIFY( !o );
|
||||
O p = make(S::throwing_move);
|
||||
|
||||
try
|
||||
{
|
||||
o = std::move(p);
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( outcome == caught );
|
||||
VERIFY( !o );
|
||||
VERIFY( p && p->state == S::moved_from );
|
||||
}
|
||||
|
||||
VERIFY( counter == 0 );
|
||||
}
|
||||
193
libstdc++-v3/testsuite/experimental/optional/assignment/2.cc
Normal file
193
libstdc++-v3/testsuite/experimental/optional/assignment/2.cc
Normal file
|
|
@ -0,0 +1,193 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct exception {};
|
||||
|
||||
int counter = 0;
|
||||
|
||||
struct mixin_counter
|
||||
{
|
||||
mixin_counter() { ++counter; }
|
||||
mixin_counter(mixin_counter const&) { ++counter; }
|
||||
~mixin_counter() { --counter; }
|
||||
};
|
||||
|
||||
struct value_type : private mixin_counter
|
||||
{
|
||||
enum state_type
|
||||
{
|
||||
zero,
|
||||
moved_from,
|
||||
throwing_construction,
|
||||
throwing_copy,
|
||||
throwing_copy_assignment,
|
||||
throwing_move,
|
||||
throwing_move_assignment,
|
||||
threw,
|
||||
};
|
||||
|
||||
value_type() = default;
|
||||
|
||||
explicit value_type(state_type state_)
|
||||
: state(state_)
|
||||
{
|
||||
throw_if(throwing_construction);
|
||||
}
|
||||
|
||||
value_type(value_type const& other)
|
||||
: state(other.state)
|
||||
{
|
||||
throw_if(throwing_copy);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type const& other)
|
||||
{
|
||||
state = other.state;
|
||||
throw_if(throwing_copy_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
value_type(value_type&& other)
|
||||
: state(other.state)
|
||||
{
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type&& other)
|
||||
{
|
||||
state = other.state;
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
void throw_if(state_type match)
|
||||
{
|
||||
if(state == match)
|
||||
{
|
||||
state = threw;
|
||||
throw exception {};
|
||||
}
|
||||
}
|
||||
|
||||
state_type state = zero;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using S = value_type::state_type;
|
||||
auto const make = [](S s = S::zero) { return O { std::experimental::in_place, s }; };
|
||||
|
||||
enum outcome_type { nothrow, caught, bad_catch };
|
||||
|
||||
// Check copy/move assignment for engaged optional
|
||||
|
||||
// From disengaged optional
|
||||
{
|
||||
O o = make(S::zero);
|
||||
VERIFY( o );
|
||||
O p;
|
||||
o = p;
|
||||
VERIFY( !o );
|
||||
VERIFY( !p );
|
||||
}
|
||||
|
||||
{
|
||||
O o = make(S::zero);
|
||||
VERIFY( o );
|
||||
O p;
|
||||
o = std::move(p);
|
||||
VERIFY( !o );
|
||||
VERIFY( !p );
|
||||
}
|
||||
|
||||
{
|
||||
O o = make(S::zero);
|
||||
VERIFY( o );
|
||||
o = {};
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
// From engaged optional
|
||||
{
|
||||
O o = make(S::zero);
|
||||
VERIFY( o );
|
||||
O p = make(S::throwing_copy);
|
||||
o = p;
|
||||
VERIFY( o && o->state == S::throwing_copy);
|
||||
VERIFY( p && p->state == S::throwing_copy);
|
||||
}
|
||||
|
||||
{
|
||||
O o = make(S::zero);
|
||||
VERIFY( o );
|
||||
O p = make(S::throwing_move);
|
||||
o = std::move(p);
|
||||
VERIFY( o && o->state == S::throwing_move);
|
||||
VERIFY( p && p->state == S::moved_from);
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o = make(S::zero);
|
||||
VERIFY( o );
|
||||
O p = make(S::throwing_copy_assignment);
|
||||
|
||||
try
|
||||
{
|
||||
o = p;
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( o && o->state == S::threw);
|
||||
VERIFY( p && p->state == S::throwing_copy_assignment);
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o = make(S::zero);
|
||||
VERIFY( o );
|
||||
O p = make(S::throwing_move_assignment);
|
||||
|
||||
try
|
||||
{
|
||||
o = std::move(p);
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( o && o->state == S::threw);
|
||||
VERIFY( p && p->state == S::moved_from);
|
||||
}
|
||||
|
||||
VERIFY( counter == 0 );
|
||||
}
|
||||
158
libstdc++-v3/testsuite/experimental/optional/assignment/3.cc
Normal file
158
libstdc++-v3/testsuite/experimental/optional/assignment/3.cc
Normal file
|
|
@ -0,0 +1,158 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct exception {};
|
||||
|
||||
int counter = 0;
|
||||
|
||||
struct mixin_counter
|
||||
{
|
||||
mixin_counter() { ++counter; }
|
||||
mixin_counter(mixin_counter const&) { ++counter; }
|
||||
~mixin_counter() { --counter; }
|
||||
};
|
||||
|
||||
struct value_type : private mixin_counter
|
||||
{
|
||||
enum state_type
|
||||
{
|
||||
zero,
|
||||
moved_from,
|
||||
throwing_construction,
|
||||
throwing_copy,
|
||||
throwing_copy_assignment,
|
||||
throwing_move,
|
||||
throwing_move_assignment,
|
||||
threw,
|
||||
};
|
||||
|
||||
value_type() = default;
|
||||
|
||||
explicit value_type(state_type state_)
|
||||
: state(state_)
|
||||
{
|
||||
throw_if(throwing_construction);
|
||||
}
|
||||
|
||||
value_type(value_type const& other)
|
||||
: state(other.state)
|
||||
{
|
||||
throw_if(throwing_copy);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type const& other)
|
||||
{
|
||||
state = other.state;
|
||||
throw_if(throwing_copy_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
value_type(value_type&& other)
|
||||
: state(other.state)
|
||||
{
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type&& other)
|
||||
{
|
||||
state = other.state;
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
void throw_if(state_type match)
|
||||
{
|
||||
if(state == match)
|
||||
{
|
||||
state = threw;
|
||||
throw exception {};
|
||||
}
|
||||
}
|
||||
|
||||
state_type state = zero;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using S = value_type::state_type;
|
||||
auto const make = [](S s = S::zero) { return value_type { s }; };
|
||||
|
||||
enum outcome_type { nothrow, caught, bad_catch };
|
||||
|
||||
// Check value assignment for disengaged optional
|
||||
|
||||
{
|
||||
O o;
|
||||
value_type v = make(S::throwing_copy_assignment);
|
||||
o = v;
|
||||
VERIFY( o && o->state == S::throwing_copy_assignment );
|
||||
}
|
||||
|
||||
{
|
||||
O o;
|
||||
value_type v = make(S::throwing_move_assignment);
|
||||
o = std::move(v);
|
||||
VERIFY( o && o->state == S::throwing_move_assignment );
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o;
|
||||
value_type v = make(S::throwing_copy);
|
||||
|
||||
try
|
||||
{
|
||||
o = v;
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o;
|
||||
value_type v = make(S::throwing_move);
|
||||
|
||||
try
|
||||
{
|
||||
o = std::move(v);
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
VERIFY( counter == 0 );
|
||||
}
|
||||
158
libstdc++-v3/testsuite/experimental/optional/assignment/4.cc
Normal file
158
libstdc++-v3/testsuite/experimental/optional/assignment/4.cc
Normal file
|
|
@ -0,0 +1,158 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct exception {};
|
||||
|
||||
int counter = 0;
|
||||
|
||||
struct mixin_counter
|
||||
{
|
||||
mixin_counter() { ++counter; }
|
||||
mixin_counter(mixin_counter const&) { ++counter; }
|
||||
~mixin_counter() { --counter; }
|
||||
};
|
||||
|
||||
struct value_type : private mixin_counter
|
||||
{
|
||||
enum state_type
|
||||
{
|
||||
zero,
|
||||
moved_from,
|
||||
throwing_construction,
|
||||
throwing_copy,
|
||||
throwing_copy_assignment,
|
||||
throwing_move,
|
||||
throwing_move_assignment,
|
||||
threw,
|
||||
};
|
||||
|
||||
value_type() = default;
|
||||
|
||||
explicit value_type(state_type state_)
|
||||
: state(state_)
|
||||
{
|
||||
throw_if(throwing_construction);
|
||||
}
|
||||
|
||||
value_type(value_type const& other)
|
||||
: state(other.state)
|
||||
{
|
||||
throw_if(throwing_copy);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type const& other)
|
||||
{
|
||||
state = other.state;
|
||||
throw_if(throwing_copy_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
value_type(value_type&& other)
|
||||
: state(other.state)
|
||||
{
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move);
|
||||
}
|
||||
|
||||
value_type&
|
||||
operator=(value_type&& other)
|
||||
{
|
||||
state = other.state;
|
||||
other.state = moved_from;
|
||||
throw_if(throwing_move_assignment);
|
||||
return *this;
|
||||
}
|
||||
|
||||
void throw_if(state_type match)
|
||||
{
|
||||
if(state == match)
|
||||
{
|
||||
state = threw;
|
||||
throw exception {};
|
||||
}
|
||||
}
|
||||
|
||||
state_type state = zero;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using S = value_type::state_type;
|
||||
auto const make = [](S s = S::zero) { return value_type { s }; };
|
||||
|
||||
enum outcome_type { nothrow, caught, bad_catch };
|
||||
|
||||
// Check value assignment for engaged optional
|
||||
|
||||
{
|
||||
O o = make();
|
||||
value_type v = make(S::throwing_copy);
|
||||
o = v;
|
||||
VERIFY( o && o->state == S::throwing_copy);
|
||||
}
|
||||
|
||||
{
|
||||
O o = make();
|
||||
value_type v = make(S::throwing_move);
|
||||
o = std::move(v);
|
||||
VERIFY( o && o->state == S::throwing_move);
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o = make();
|
||||
value_type v = make(S::throwing_copy_assignment);
|
||||
|
||||
try
|
||||
{
|
||||
o = v;
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( o && o->state == S::threw );
|
||||
}
|
||||
|
||||
{
|
||||
outcome_type outcome {};
|
||||
O o = make();
|
||||
value_type v = make(S::throwing_move_assignment);
|
||||
|
||||
try
|
||||
{
|
||||
o = std::move(v);
|
||||
}
|
||||
catch(exception const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( o && o->state == S::threw );
|
||||
}
|
||||
|
||||
VERIFY( counter == 0 );
|
||||
}
|
||||
66
libstdc++-v3/testsuite/experimental/optional/assignment/5.cc
Normal file
66
libstdc++-v3/testsuite/experimental/optional/assignment/5.cc
Normal file
|
|
@ -0,0 +1,66 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int counter = 0;
|
||||
|
||||
struct mixin_counter
|
||||
{
|
||||
mixin_counter() { ++counter; }
|
||||
mixin_counter(mixin_counter const&) { ++counter; }
|
||||
~mixin_counter() { --counter; }
|
||||
};
|
||||
|
||||
struct value_type : private mixin_counter { };
|
||||
|
||||
int main()
|
||||
{
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
// Check std::experimental::nullopt_t and 'default' (= {}) assignment
|
||||
|
||||
{
|
||||
O o;
|
||||
o = std::experimental::nullopt;
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
O o { std::experimental::in_place };
|
||||
o = std::experimental::nullopt;
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
O o;
|
||||
o = {};
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
O o { std::experimental::in_place };
|
||||
o = {};
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
VERIFY( counter == 0 );
|
||||
}
|
||||
83
libstdc++-v3/testsuite/experimental/optional/assignment/6.cc
Normal file
83
libstdc++-v3/testsuite/experimental/optional/assignment/6.cc
Normal file
|
|
@ -0,0 +1,83 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int counter = 0;
|
||||
|
||||
struct mixin_counter
|
||||
{
|
||||
mixin_counter() { ++counter; }
|
||||
mixin_counter(mixin_counter const&) { ++counter; }
|
||||
~mixin_counter() { --counter; }
|
||||
};
|
||||
|
||||
struct value_type : private mixin_counter
|
||||
{
|
||||
value_type() = default;
|
||||
value_type(int) : state(1) { }
|
||||
value_type(std::initializer_list<char>, const char*) : state(2) { }
|
||||
int state = 0;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
// Check emplace
|
||||
|
||||
{
|
||||
O o;
|
||||
o.emplace();
|
||||
VERIFY( o && o->state == 0 );
|
||||
}
|
||||
{
|
||||
O o { std::experimental::in_place, 0 };
|
||||
o.emplace();
|
||||
VERIFY( o && o->state == 0 );
|
||||
}
|
||||
|
||||
{
|
||||
O o;
|
||||
o.emplace(0);
|
||||
VERIFY( o && o->state == 1 );
|
||||
}
|
||||
{
|
||||
O o { std::experimental::in_place };
|
||||
o.emplace(0);
|
||||
VERIFY( o && o->state == 1 );
|
||||
}
|
||||
|
||||
{
|
||||
O o;
|
||||
o.emplace({ 'a' }, "");
|
||||
VERIFY( o && o->state == 2 );
|
||||
}
|
||||
{
|
||||
O o { std::experimental::in_place };
|
||||
o.emplace({ 'a' }, "");
|
||||
VERIFY( o && o->state == 2 );
|
||||
}
|
||||
|
||||
static_assert( !std::is_constructible<O, std::initializer_list<int>, int>(), "" );
|
||||
|
||||
VERIFY( counter == 0 );
|
||||
}
|
||||
125
libstdc++-v3/testsuite/experimental/optional/cons/copy.cc
Normal file
125
libstdc++-v3/testsuite/experimental/optional/cons/copy.cc
Normal file
|
|
@ -0,0 +1,125 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct tracker
|
||||
{
|
||||
tracker(int value) : value(value) { ++count; }
|
||||
~tracker() { --count; }
|
||||
|
||||
tracker(tracker const& other) : value(other.value) { ++count; }
|
||||
tracker(tracker&& other) : value(other.value)
|
||||
{
|
||||
other.value = -1;
|
||||
++count;
|
||||
}
|
||||
|
||||
tracker& operator=(tracker const&) = default;
|
||||
tracker& operator=(tracker&&) = default;
|
||||
|
||||
int value;
|
||||
|
||||
static int count;
|
||||
};
|
||||
|
||||
int tracker::count = 0;
|
||||
|
||||
struct exception { };
|
||||
|
||||
struct throwing_copy
|
||||
{
|
||||
throwing_copy() = default;
|
||||
throwing_copy(throwing_copy const&) { throw exception {}; }
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.4.1] Constructors
|
||||
|
||||
{
|
||||
std::experimental::optional<long> o;
|
||||
auto copy = o;
|
||||
VERIFY( !copy );
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<long> o { std::experimental::in_place, 0x1234ABCDF1E2D3C4 };
|
||||
auto copy = o;
|
||||
VERIFY( copy );
|
||||
VERIFY( *copy == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( o && o == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<tracker> o;
|
||||
auto copy = o;
|
||||
VERIFY( !copy );
|
||||
VERIFY( tracker::count == 0 );
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<tracker> o { std::experimental::in_place, 333 };
|
||||
auto copy = o;
|
||||
VERIFY( copy );
|
||||
VERIFY( copy->value == 333 );
|
||||
VERIFY( tracker::count == 2 );
|
||||
VERIFY( o && o->value == 333 );
|
||||
}
|
||||
|
||||
enum outcome { nothrow, caught, bad_catch };
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
std::experimental::optional<throwing_copy> o;
|
||||
|
||||
try
|
||||
{
|
||||
auto copy = o;
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == nothrow );
|
||||
}
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
std::experimental::optional<throwing_copy> o { std::experimental::in_place };
|
||||
|
||||
try
|
||||
{
|
||||
auto copy = o;
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == caught );
|
||||
}
|
||||
|
||||
VERIFY( tracker::count == 0 );
|
||||
}
|
||||
60
libstdc++-v3/testsuite/experimental/optional/cons/default.cc
Normal file
60
libstdc++-v3/testsuite/experimental/optional/cons/default.cc
Normal file
|
|
@ -0,0 +1,60 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct tracker
|
||||
{
|
||||
tracker() { ++count; }
|
||||
~tracker() { --count; }
|
||||
|
||||
tracker(tracker const&) { ++count; }
|
||||
tracker(tracker&&) { ++count; }
|
||||
|
||||
tracker& operator=(tracker const&) = default;
|
||||
tracker& operator=(tracker&&) = default;
|
||||
|
||||
static int count;
|
||||
};
|
||||
|
||||
int tracker::count = 0;
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.4.1] Constructors
|
||||
|
||||
{
|
||||
std::experimental::optional<tracker> o;
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<tracker> o {};
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<tracker> o = {};
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
VERIFY( tracker::count == 0 );
|
||||
}
|
||||
125
libstdc++-v3/testsuite/experimental/optional/cons/move.cc
Normal file
125
libstdc++-v3/testsuite/experimental/optional/cons/move.cc
Normal file
|
|
@ -0,0 +1,125 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct tracker
|
||||
{
|
||||
tracker(int value) : value(value) { ++count; }
|
||||
~tracker() { --count; }
|
||||
|
||||
tracker(tracker const& other) : value(other.value) { ++count; }
|
||||
tracker(tracker&& other) : value(other.value)
|
||||
{
|
||||
other.value = -1;
|
||||
++count;
|
||||
}
|
||||
|
||||
tracker& operator=(tracker const&) = default;
|
||||
tracker& operator=(tracker&&) = default;
|
||||
|
||||
int value;
|
||||
|
||||
static int count;
|
||||
};
|
||||
|
||||
int tracker::count = 0;
|
||||
|
||||
struct exception { };
|
||||
|
||||
struct throwing_move
|
||||
{
|
||||
throwing_move() = default;
|
||||
throwing_move(throwing_move const&) { throw exception {}; }
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.4.1] Constructors
|
||||
|
||||
{
|
||||
std::experimental::optional<long> o;
|
||||
auto moved_to = std::move(o);
|
||||
VERIFY( !moved_to );
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<long> o { std::experimental::in_place, 0x1234ABCDF1E2D3C4 };
|
||||
auto moved_to = std::move(o);
|
||||
VERIFY( moved_to );
|
||||
VERIFY( *moved_to == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( o && *o == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<tracker> o;
|
||||
auto moved_to = std::move(o);
|
||||
VERIFY( !moved_to );
|
||||
VERIFY( tracker::count == 0 );
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<tracker> o { std::experimental::in_place, 333 };
|
||||
auto moved_to = std::move(o);
|
||||
VERIFY( moved_to );
|
||||
VERIFY( moved_to->value == 333 );
|
||||
VERIFY( tracker::count == 2 );
|
||||
VERIFY( o && o->value == -1 );
|
||||
}
|
||||
|
||||
enum outcome { nothrow, caught, bad_catch };
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
std::experimental::optional<throwing_move> o;
|
||||
|
||||
try
|
||||
{
|
||||
auto moved_to = std::move(o);
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == nothrow );
|
||||
}
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
std::experimental::optional<throwing_move> o { std::experimental::in_place };
|
||||
|
||||
try
|
||||
{
|
||||
auto moved_to = std::move(o);
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == caught );
|
||||
}
|
||||
|
||||
VERIFY( tracker::count == 0 );
|
||||
}
|
||||
239
libstdc++-v3/testsuite/experimental/optional/cons/value.cc
Normal file
239
libstdc++-v3/testsuite/experimental/optional/cons/value.cc
Normal file
|
|
@ -0,0 +1,239 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <vector>
|
||||
|
||||
struct tracker
|
||||
{
|
||||
tracker(int value) : value(value) { ++count; }
|
||||
~tracker() { --count; }
|
||||
|
||||
tracker(tracker const& other) : value(other.value) { ++count; }
|
||||
tracker(tracker&& other) : value(other.value)
|
||||
{
|
||||
other.value = -1;
|
||||
++count;
|
||||
}
|
||||
|
||||
tracker& operator=(tracker const&) = default;
|
||||
tracker& operator=(tracker&&) = default;
|
||||
|
||||
int value;
|
||||
|
||||
static int count;
|
||||
};
|
||||
|
||||
int tracker::count = 0;
|
||||
|
||||
struct exception { };
|
||||
|
||||
struct throwing_construction
|
||||
{
|
||||
explicit throwing_construction(bool propagate) : propagate(propagate) { }
|
||||
|
||||
throwing_construction(throwing_construction const& other)
|
||||
: propagate(other.propagate)
|
||||
{
|
||||
if(propagate)
|
||||
throw exception {};
|
||||
}
|
||||
|
||||
bool propagate;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.4.1] Constructors
|
||||
|
||||
{
|
||||
auto i = 0x1234ABCDF1E2D3C4;
|
||||
std::experimental::optional<long> o { i };
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( i == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
auto i = 0x1234ABCDF1E2D3C4;
|
||||
std::experimental::optional<long> o = i;
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( i == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
auto i = 0x1234ABCDF1E2D3C4;
|
||||
std::experimental::optional<long> o = { i };
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( i == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
auto i = 0x1234ABCDF1E2D3C4;
|
||||
std::experimental::optional<long> o { std::move(i) };
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( i == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
auto i = 0x1234ABCDF1E2D3C4;
|
||||
std::experimental::optional<long> o = std::move(i);
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( i == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
auto i = 0x1234ABCDF1E2D3C4;
|
||||
std::experimental::optional<long> o = { std::move(i) };
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 0x1234ABCDF1E2D3C4 );
|
||||
VERIFY( i == 0x1234ABCDF1E2D3C4 );
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<int> v = { 0, 1, 2, 3, 4, 5 };
|
||||
std::experimental::optional<std::vector<int>> o { v };
|
||||
VERIFY( !v.empty() );
|
||||
VERIFY( o->size() == 6 );
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<int> v = { 0, 1, 2, 3, 4, 5 };
|
||||
std::experimental::optional<std::vector<int>> o = v;
|
||||
VERIFY( !v.empty() );
|
||||
VERIFY( o->size() == 6 );
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<int> v = { 0, 1, 2, 3, 4, 5 };
|
||||
std::experimental::optional<std::vector<int>> o { v };
|
||||
VERIFY( !v.empty() );
|
||||
VERIFY( o->size() == 6 );
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<int> v = { 0, 1, 2, 3, 4, 5 };
|
||||
std::experimental::optional<std::vector<int>> o { std::move(v) };
|
||||
VERIFY( v.empty() );
|
||||
VERIFY( o->size() == 6 );
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<int> v = { 0, 1, 2, 3, 4, 5 };
|
||||
std::experimental::optional<std::vector<int>> o = std::move(v);
|
||||
VERIFY( v.empty() );
|
||||
VERIFY( o->size() == 6 );
|
||||
}
|
||||
|
||||
{
|
||||
std::vector<int> v = { 0, 1, 2, 3, 4, 5 };
|
||||
std::experimental::optional<std::vector<int>> o { std::move(v) };
|
||||
VERIFY( v.empty() );
|
||||
VERIFY( o->size() == 6 );
|
||||
}
|
||||
|
||||
{
|
||||
tracker t { 333 };
|
||||
std::experimental::optional<tracker> o = t;
|
||||
VERIFY( o->value == 333 );
|
||||
VERIFY( tracker::count == 2 );
|
||||
VERIFY( t.value == 333 );
|
||||
}
|
||||
|
||||
{
|
||||
tracker t { 333 };
|
||||
std::experimental::optional<tracker> o = std::move(t);
|
||||
VERIFY( o->value == 333 );
|
||||
VERIFY( tracker::count == 2 );
|
||||
VERIFY( t.value == -1 );
|
||||
}
|
||||
|
||||
enum outcome { nothrow, caught, bad_catch };
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
throwing_construction t { false };
|
||||
|
||||
try
|
||||
{
|
||||
std::experimental::optional<throwing_construction> o { t };
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == nothrow );
|
||||
}
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
throwing_construction t { true };
|
||||
|
||||
try
|
||||
{
|
||||
std::experimental::optional<throwing_construction> o { t };
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == caught );
|
||||
}
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
throwing_construction t { false };
|
||||
|
||||
try
|
||||
{
|
||||
std::experimental::optional<throwing_construction> o { std::move(t) };
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == nothrow );
|
||||
}
|
||||
|
||||
{
|
||||
outcome result = nothrow;
|
||||
throwing_construction t { true };
|
||||
|
||||
try
|
||||
{
|
||||
std::experimental::optional<throwing_construction> o { std::move(t) };
|
||||
}
|
||||
catch(exception const&)
|
||||
{ result = caught; }
|
||||
catch(...)
|
||||
{ result = bad_catch; }
|
||||
|
||||
VERIFY( result == caught );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.4.1] Constructors
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o;
|
||||
static_assert( !o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o {};
|
||||
static_assert( !o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o = {};
|
||||
static_assert( !o, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.4.1] Constructors
|
||||
|
||||
{
|
||||
constexpr auto i = 0x1234ABCDF1E2D3C4;
|
||||
constexpr std::experimental::optional<long> o { i };
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 0x1234ABCDF1E2D3C4, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr auto i = 0x1234ABCDF1E2D3C4;
|
||||
constexpr std::experimental::optional<long> o = i;
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 0x1234ABCDF1E2D3C4, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr auto i = 0x1234ABCDF1E2D3C4;
|
||||
constexpr std::experimental::optional<long> o = { i };
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 0x1234ABCDF1E2D3C4, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr auto i = 0x1234ABCDF1E2D3C4;
|
||||
constexpr std::experimental::optional<long> o { std::move(i) };
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 0x1234ABCDF1E2D3C4, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr auto i = 0x1234ABCDF1E2D3C4;
|
||||
constexpr std::experimental::optional<long> o = std::move(i);
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 0x1234ABCDF1E2D3C4, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr auto i = 0x1234ABCDF1E2D3C4;
|
||||
constexpr std::experimental::optional<long> o = { std::move(i) };
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 0x1234ABCDF1E2D3C4, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.5] In-place construction
|
||||
static_assert( std::is_same<decltype(std::experimental::in_place), const std::experimental::in_place_t>(), "" );
|
||||
static_assert( std::is_empty<std::experimental::in_place_t>(), "" );
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o { std::experimental::in_place };
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == int {}, "" );
|
||||
|
||||
static_assert( !std::is_convertible<std::experimental::in_place_t, std::experimental::optional<int>>(), "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o { std::experimental::in_place, 42 };
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 42, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// XFAIL pending resolution of PR libstdc++/58777
|
||||
// { dg-do compile { xfail *-*-* } }
|
||||
// { dg-excess-errors "" }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
constexpr int i = 42;
|
||||
constexpr auto o = std::experimental::make_optional(i);
|
||||
static_assert( std::is_same<decltype(o), const std::experimental::optional<int>>(), "" );
|
||||
static_assert( o && *o == 42, "" );
|
||||
static_assert( &*o != &i, "" );
|
||||
}
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.6] Disengaged state indicator
|
||||
static_assert( std::is_same<decltype(std::experimental::nullopt), const std::experimental::nullopt_t>(), "" );
|
||||
static_assert( std::is_empty<std::experimental::nullopt_t>(), "" );
|
||||
static_assert( std::is_literal_type<std::experimental::nullopt_t>(), "" );
|
||||
static_assert( !std::is_default_constructible<std::experimental::nullopt_t>(), "" );
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o = std::experimental::nullopt;
|
||||
static_assert( !o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o = { std::experimental::nullopt };
|
||||
static_assert( !o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<int> o { std::experimental::nullopt };
|
||||
static_assert( !o, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
constexpr std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
static_assert( (*o).i == 51, "" );
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// XFAIL pending resolution of PR libstdc++/58777
|
||||
// { dg-do compile { xfail *-*-* } }
|
||||
// { dg-excess-errors "" }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
constexpr std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
static_assert( o->i == 51, "" );
|
||||
static_assert( o->i == (*o).i, "" );
|
||||
static_assert( &o->i == &(*o).i, "" );
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// XFAIL pending resolution of PR libstdc++/58777
|
||||
// { dg-do compile { xfail *-*-* } }
|
||||
// { dg-excess-errors "" }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
constexpr std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
static_assert( o.value().i == 51, "" );
|
||||
static_assert( o.value().i == (*o).i, "" );
|
||||
static_assert( &o.value().i == &(*o).i, "" );
|
||||
}
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
constexpr std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
constexpr value_type fallback { 3 };
|
||||
static_assert( o.value_or(fallback).i == 51, "" );
|
||||
static_assert( o.value_or(fallback).i == (*o).i, "" );
|
||||
}
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
constexpr std::experimental::optional<value_type> o = std::experimental::nullopt;
|
||||
static_assert( !o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
static_assert( o, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,99 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
const char* s;
|
||||
};
|
||||
|
||||
constexpr bool
|
||||
strcmp(const char* lhs, const char* rhs)
|
||||
{
|
||||
return *lhs == *rhs && (!*lhs || strcmp(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
strrel(const char* lhs, const char* rhs)
|
||||
{
|
||||
return (*rhs && (!*lhs || (*lhs < *rhs)))
|
||||
|| ((*lhs && *rhs && !(*rhs < *lhs)) && strrel(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i == rhs.i) && strcmp(lhs.s, rhs.s); }
|
||||
|
||||
constexpr bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
constexpr bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i < rhs.i) || (!(rhs.i < lhs.i) && strrel(lhs.s, rhs.s)); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
{
|
||||
constexpr O o, p;
|
||||
static_assert( o == p, "" );
|
||||
static_assert( !(o != p), "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } }, p;
|
||||
static_assert( !(o == p), "" );
|
||||
static_assert( o != p, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o, p { value_type { 42, "forty-two" } };
|
||||
static_assert( !(o == p), "" );
|
||||
static_assert( o != p, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 11, "eleventy" } }, p { value_type { 42, "forty-two" } };
|
||||
static_assert( !(o == p), "" );
|
||||
static_assert( o != p, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } }, p { value_type { 11, "eleventy" } };
|
||||
static_assert( !(o == p), "" );
|
||||
static_assert( o != p, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } }, p { value_type { 42, "forty-two" } };
|
||||
static_assert( o == p, "" );
|
||||
static_assert( !(o != p), "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,111 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
const char* s;
|
||||
};
|
||||
|
||||
constexpr bool
|
||||
strcmp(const char* lhs, const char* rhs)
|
||||
{
|
||||
return *lhs == *rhs && (!*lhs || strcmp(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
strrel(const char* lhs, const char* rhs)
|
||||
{
|
||||
return (*rhs && (!*lhs || (*lhs < *rhs)))
|
||||
|| ((*lhs && *rhs && !(*rhs < *lhs)) && strrel(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i == rhs.i) && strcmp(lhs.s, rhs.s); }
|
||||
|
||||
constexpr bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
constexpr bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i < rhs.i) || (!(rhs.i < lhs.i) && strrel(lhs.s, rhs.s)); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
{
|
||||
constexpr O o, p;
|
||||
static_assert( !(o < p), "" );
|
||||
static_assert( !(o > p), "" );
|
||||
static_assert( o <= p, "" );
|
||||
static_assert( o >= p, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } }, p;
|
||||
static_assert( !(o < p), "" );
|
||||
static_assert( o > p, "" );
|
||||
static_assert( !(o <= p), "" );
|
||||
static_assert( o >= p, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o, p { value_type { 42, "forty-two" } };
|
||||
static_assert( o < p, "" );
|
||||
static_assert( !(o > p), "" );
|
||||
static_assert( o <= p, "" );
|
||||
static_assert( !(o >= p), "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 11, "eleventy" } }, p { value_type { 42, "forty-two" } };
|
||||
static_assert( o < p, "" );
|
||||
static_assert( !(o > p), "" );
|
||||
static_assert( o <= p, "" );
|
||||
static_assert( !(o >= p), "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } }, p { value_type { 11, "eleventy" } };
|
||||
static_assert( !(o < p), "" );
|
||||
static_assert( o > p, "" );
|
||||
static_assert( !(o <= p), "" );
|
||||
static_assert( o >= p, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } }, p { value_type { 42, "forty-two" } };
|
||||
static_assert( !(o < p), "" );
|
||||
static_assert( !(o > p), "" );
|
||||
static_assert( o <= p, "" );
|
||||
static_assert( o >= p, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,89 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
const char* s;
|
||||
};
|
||||
|
||||
constexpr bool
|
||||
strcmp(const char* lhs, const char* rhs)
|
||||
{
|
||||
return *lhs == *rhs && (!*lhs || strcmp(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
strrel(const char* lhs, const char* rhs)
|
||||
{
|
||||
return (*rhs && (!*lhs || (*lhs < *rhs)))
|
||||
|| ((*lhs && *rhs && !(*rhs < *lhs)) && strrel(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i == rhs.i) && strcmp(lhs.s, rhs.s); }
|
||||
|
||||
constexpr bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
constexpr bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i < rhs.i) || (!(rhs.i < lhs.i) && strrel(lhs.s, rhs.s)); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
constexpr value_type reference { 42, "forty-two" };
|
||||
|
||||
{
|
||||
constexpr O o;
|
||||
static_assert( !(o == reference), "" );
|
||||
static_assert( !(reference == o), "" );
|
||||
static_assert( o != reference, "" );
|
||||
static_assert( reference != o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 11, "eleventy" } };
|
||||
static_assert( !(o == reference), "" );
|
||||
static_assert( !(reference == o), "" );
|
||||
static_assert( o != reference, "" );
|
||||
static_assert( reference != o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } };
|
||||
static_assert( o == reference, "" );
|
||||
static_assert( reference == o, "" );
|
||||
static_assert( !(o != reference), "" );
|
||||
static_assert( !(reference != o), "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,101 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
const char* s;
|
||||
};
|
||||
|
||||
constexpr bool
|
||||
strcmp(const char* lhs, const char* rhs)
|
||||
{
|
||||
return *lhs == *rhs && (!*lhs || strcmp(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
strrel(const char* lhs, const char* rhs)
|
||||
{
|
||||
return (*rhs && (!*lhs || (*lhs < *rhs)))
|
||||
|| ((*lhs && *rhs && !(*rhs < *lhs)) && strrel(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i == rhs.i) && strcmp(lhs.s, rhs.s); }
|
||||
|
||||
constexpr bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
constexpr bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i < rhs.i) || (!(rhs.i < lhs.i) && strrel(lhs.s, rhs.s)); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
constexpr value_type reference { 42, "forty-two" };
|
||||
|
||||
{
|
||||
constexpr O o;
|
||||
static_assert( o < reference, "" );
|
||||
static_assert( !(reference < o), "" );
|
||||
static_assert( !(o > reference), "" );
|
||||
static_assert( reference > o, "" );
|
||||
static_assert( o <= reference, "" );
|
||||
static_assert( !(reference <= o), "" );
|
||||
static_assert( !(o >= reference), "" );
|
||||
static_assert( reference >= o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 11, "eleventy" } };
|
||||
static_assert( o < reference, "" );
|
||||
static_assert( !(reference < o), "" );
|
||||
static_assert( !(o > reference), "" );
|
||||
static_assert( reference > o, "" );
|
||||
static_assert( o <= reference, "" );
|
||||
static_assert( !(reference <= o), "" );
|
||||
static_assert( !(o >= reference), "" );
|
||||
static_assert( reference >= o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { value_type { 42, "forty-two" } };
|
||||
static_assert( !(o < reference), "" );
|
||||
static_assert( !(reference < o), "" );
|
||||
static_assert( !(o > reference), "" );
|
||||
static_assert( !(reference > o), "" );
|
||||
static_assert( o <= reference, "" );
|
||||
static_assert( reference <= o, "" );
|
||||
static_assert( o >= reference, "" );
|
||||
static_assert( reference >= o, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
const char* s;
|
||||
};
|
||||
|
||||
constexpr bool
|
||||
strcmp(const char* lhs, const char* rhs)
|
||||
{
|
||||
return *lhs == *rhs && (!*lhs || strcmp(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
strrel(const char* lhs, const char* rhs)
|
||||
{
|
||||
return (*rhs && (!*lhs || (*lhs < *rhs)))
|
||||
|| ((*lhs && *rhs && !(*rhs < *lhs)) && strrel(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i == rhs.i) && strcmp(lhs.s, rhs.s); }
|
||||
|
||||
constexpr bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
constexpr bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i < rhs.i) || (!(rhs.i < lhs.i) && strrel(lhs.s, rhs.s)); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using std::experimental::nullopt;
|
||||
|
||||
{
|
||||
constexpr O o;
|
||||
static_assert( o == nullopt, "" );
|
||||
static_assert( nullopt == o, "" );
|
||||
static_assert( !(o != nullopt), "" );
|
||||
static_assert( !(nullopt != o), "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { std::experimental::in_place };
|
||||
static_assert( !(o == nullopt), "" );
|
||||
static_assert( !(nullopt == o), "" );
|
||||
static_assert( o != nullopt, "" );
|
||||
static_assert( nullopt != o, "" );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do compile }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
const char* s;
|
||||
};
|
||||
|
||||
constexpr bool
|
||||
strcmp(const char* lhs, const char* rhs)
|
||||
{
|
||||
return *lhs == *rhs && (!*lhs || strcmp(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
strrel(const char* lhs, const char* rhs)
|
||||
{
|
||||
return (*rhs && (!*lhs || (*lhs < *rhs)))
|
||||
|| ((*lhs && *rhs && !(*rhs < *lhs)) && strrel(lhs + 1, rhs + 1));
|
||||
}
|
||||
|
||||
constexpr bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i == rhs.i) && strcmp(lhs.s, rhs.s); }
|
||||
|
||||
constexpr bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
constexpr bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return (lhs.i < rhs.i) || (!(rhs.i < lhs.i) && strrel(lhs.s, rhs.s)); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using std::experimental::nullopt;
|
||||
|
||||
{
|
||||
constexpr O o;
|
||||
static_assert( !(o < nullopt), "" );
|
||||
static_assert( !(nullopt < o), "" );
|
||||
static_assert( !(o > nullopt), "" );
|
||||
static_assert( !(nullopt > o), "" );
|
||||
static_assert( o <= nullopt, "" );
|
||||
static_assert( nullopt <= o, "" );
|
||||
static_assert( o >= nullopt, "" );
|
||||
static_assert( nullopt >= o, "" );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr O o { std::experimental::in_place };
|
||||
static_assert( !(o < nullopt), "" );
|
||||
static_assert( nullopt < o, "" );
|
||||
static_assert( o > nullopt, "" );
|
||||
static_assert( !(nullopt > o), "" );
|
||||
static_assert( !(o <= nullopt), "" );
|
||||
static_assert( nullopt <= o, "" );
|
||||
static_assert( o >= nullopt, "" );
|
||||
static_assert( !(nullopt >= o), "" );
|
||||
}
|
||||
}
|
||||
66
libstdc++-v3/testsuite/experimental/optional/in_place.cc
Normal file
66
libstdc++-v3/testsuite/experimental/optional/in_place.cc
Normal file
|
|
@ -0,0 +1,66 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <vector>
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.5] In-place construction
|
||||
static_assert( std::is_same<decltype(std::experimental::in_place), const std::experimental::in_place_t>(), "" );
|
||||
static_assert( std::is_empty<std::experimental::in_place_t>(), "" );
|
||||
|
||||
{
|
||||
std::experimental::optional<int> o { std::experimental::in_place };
|
||||
VERIFY( o );
|
||||
VERIFY( *o == int() );
|
||||
|
||||
static_assert( !std::is_convertible<std::experimental::in_place_t, std::experimental::optional<int>>(), "" );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<int> o { std::experimental::in_place, 42 };
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 42 );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<std::vector<int>> o { std::experimental::in_place, 18, 4 };
|
||||
VERIFY( o );
|
||||
VERIFY( o->size() == 18 );
|
||||
VERIFY( (*o)[17] == 4 );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<std::vector<int>> o { std::experimental::in_place, { 18, 4 } };
|
||||
VERIFY( o );
|
||||
VERIFY( o->size() == 2 );
|
||||
VERIFY( (*o)[0] == 18 );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<std::vector<int>> o { std::experimental::in_place, { 18, 4 }, std::allocator<int> {} };
|
||||
VERIFY( o );
|
||||
VERIFY( o->size() == 2 );
|
||||
VERIFY( (*o)[0] == 18 );
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
const int i = 42;
|
||||
auto o = std::experimental::make_optional(i);
|
||||
static_assert( std::is_same<decltype(o), std::experimental::optional<int>>(), "" );
|
||||
VERIFY( o && *o == 42 );
|
||||
VERIFY( &*o != &i );
|
||||
}
|
||||
46
libstdc++-v3/testsuite/experimental/optional/nullopt.cc
Normal file
46
libstdc++-v3/testsuite/experimental/optional/nullopt.cc
Normal file
|
|
@ -0,0 +1,46 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
// [20.5.6] Disengaged state indicator
|
||||
static_assert( std::is_same<decltype(std::experimental::nullopt), const std::experimental::nullopt_t>(), "" );
|
||||
static_assert( std::is_empty<std::experimental::nullopt_t>(), "" );
|
||||
static_assert( std::is_literal_type<std::experimental::nullopt_t>(), "" );
|
||||
static_assert( !std::is_default_constructible<std::experimental::nullopt_t>(), "" );
|
||||
|
||||
{
|
||||
std::experimental::optional<int> o = std::experimental::nullopt;
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<int> o = { std::experimental::nullopt };
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<int> o { std::experimental::nullopt };
|
||||
VERIFY( !o );
|
||||
}
|
||||
}
|
||||
33
libstdc++-v3/testsuite/experimental/optional/observers/1.cc
Normal file
33
libstdc++-v3/testsuite/experimental/optional/observers/1.cc
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
VERIFY( (*o).i == 51 );
|
||||
}
|
||||
35
libstdc++-v3/testsuite/experimental/optional/observers/2.cc
Normal file
35
libstdc++-v3/testsuite/experimental/optional/observers/2.cc
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
VERIFY( o->i == 51 );
|
||||
VERIFY( o->i == (*o).i );
|
||||
VERIFY( &o->i == &(*o).i );
|
||||
}
|
||||
58
libstdc++-v3/testsuite/experimental/optional/observers/3.cc
Normal file
58
libstdc++-v3/testsuite/experimental/optional/observers/3.cc
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
VERIFY( o.value().i == 51 );
|
||||
VERIFY( o.value().i == (*o).i );
|
||||
VERIFY( &o.value().i == &(*o).i );
|
||||
}
|
||||
|
||||
{
|
||||
enum outcome_type { nothrow, caught, bad_catch };
|
||||
|
||||
outcome_type outcome {};
|
||||
std::experimental::optional<value_type> o = std::experimental::nullopt;
|
||||
bool called = false;
|
||||
auto const eat = [&called](int) { called = true; };
|
||||
|
||||
try
|
||||
{
|
||||
eat(o.value().i);
|
||||
}
|
||||
catch(std::experimental::bad_optional_access const&)
|
||||
{ outcome = caught; }
|
||||
catch(...)
|
||||
{ outcome = bad_catch; }
|
||||
|
||||
VERIFY( outcome == caught );
|
||||
VERIFY( !called );
|
||||
}
|
||||
}
|
||||
35
libstdc++-v3/testsuite/experimental/optional/observers/4.cc
Normal file
35
libstdc++-v3/testsuite/experimental/optional/observers/4.cc
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
value_type fallback { 3 };
|
||||
VERIFY( o.value_or(fallback).i == 51 );
|
||||
VERIFY( o.value_or(fallback).i == (*o).i );
|
||||
}
|
||||
40
libstdc++-v3/testsuite/experimental/optional/observers/5.cc
Normal file
40
libstdc++-v3/testsuite/experimental/optional/observers/5.cc
Normal file
|
|
@ -0,0 +1,40 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
std::experimental::optional<value_type> o = std::experimental::nullopt;
|
||||
VERIFY( !o );
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<value_type> o { value_type { 51 } };
|
||||
VERIFY( o );
|
||||
}
|
||||
}
|
||||
89
libstdc++-v3/testsuite/experimental/optional/relops/1.cc
Normal file
89
libstdc++-v3/testsuite/experimental/optional/relops/1.cc
Normal file
|
|
@ -0,0 +1,89 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <tuple>
|
||||
#include <string>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
std::string s;
|
||||
};
|
||||
|
||||
bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); }
|
||||
|
||||
bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
{
|
||||
O o, p;
|
||||
VERIFY( o == p );
|
||||
VERIFY( !(o != p) );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } }, p;
|
||||
VERIFY( !(o == p) );
|
||||
VERIFY( o != p );
|
||||
}
|
||||
|
||||
{
|
||||
O o, p { value_type { 42, "forty-two" } };
|
||||
VERIFY( !(o == p) );
|
||||
VERIFY( o != p );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 11, "eleventy" } }, p { value_type { 42, "forty-two" } };
|
||||
VERIFY( !(o == p) );
|
||||
VERIFY( o != p );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } }, p { value_type { 11, "eleventy" } };
|
||||
VERIFY( !(o == p) );
|
||||
VERIFY( o != p );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } }, p { value_type { 42, "forty-two" } };
|
||||
VERIFY( o == p );
|
||||
VERIFY( !(o != p) );
|
||||
}
|
||||
}
|
||||
101
libstdc++-v3/testsuite/experimental/optional/relops/2.cc
Normal file
101
libstdc++-v3/testsuite/experimental/optional/relops/2.cc
Normal file
|
|
@ -0,0 +1,101 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <tuple>
|
||||
#include <string>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
std::string s;
|
||||
};
|
||||
|
||||
bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); }
|
||||
|
||||
bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
{
|
||||
O o, p;
|
||||
VERIFY( !(o < p) );
|
||||
VERIFY( !(o > p) );
|
||||
VERIFY( o <= p );
|
||||
VERIFY( o >= p );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } }, p;
|
||||
VERIFY( !(o < p) );
|
||||
VERIFY( o > p );
|
||||
VERIFY( !(o <= p) );
|
||||
VERIFY( o >= p );
|
||||
}
|
||||
|
||||
{
|
||||
O o, p { value_type { 42, "forty-two" } };
|
||||
VERIFY( o < p );
|
||||
VERIFY( !(o > p) );
|
||||
VERIFY( o <= p );
|
||||
VERIFY( !(o >= p) );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 11, "eleventy" } }, p { value_type { 42, "forty-two" } };
|
||||
VERIFY( o < p );
|
||||
VERIFY( !(o > p) );
|
||||
VERIFY( o <= p );
|
||||
VERIFY( !(o >= p) );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } }, p { value_type { 11, "eleventy" } };
|
||||
VERIFY( !(o < p) );
|
||||
VERIFY( o > p );
|
||||
VERIFY( !(o <= p) );
|
||||
VERIFY( o >= p );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } }, p { value_type { 42, "forty-two" } };
|
||||
VERIFY( !(o < p) );
|
||||
VERIFY( !(o > p) );
|
||||
VERIFY( o <= p );
|
||||
VERIFY( o >= p );
|
||||
}
|
||||
}
|
||||
79
libstdc++-v3/testsuite/experimental/optional/relops/3.cc
Normal file
79
libstdc++-v3/testsuite/experimental/optional/relops/3.cc
Normal file
|
|
@ -0,0 +1,79 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <tuple>
|
||||
#include <string>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
std::string s;
|
||||
};
|
||||
|
||||
bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); }
|
||||
|
||||
bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
value_type const reference { 42, "forty-two" };
|
||||
|
||||
{
|
||||
O o;
|
||||
VERIFY( !(o == reference) );
|
||||
VERIFY( !(reference == o) );
|
||||
VERIFY( o != reference );
|
||||
VERIFY( reference != o );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 11, "eleventy" } };
|
||||
VERIFY( !(o == reference) );
|
||||
VERIFY( !(reference == o) );
|
||||
VERIFY( o != reference );
|
||||
VERIFY( reference != o );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } };
|
||||
VERIFY( o == reference );
|
||||
VERIFY( reference == o );
|
||||
VERIFY( !(o != reference) );
|
||||
VERIFY( !(reference != o) );
|
||||
}
|
||||
}
|
||||
91
libstdc++-v3/testsuite/experimental/optional/relops/4.cc
Normal file
91
libstdc++-v3/testsuite/experimental/optional/relops/4.cc
Normal file
|
|
@ -0,0 +1,91 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <tuple>
|
||||
#include <string>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
std::string s;
|
||||
};
|
||||
|
||||
bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); }
|
||||
|
||||
bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
|
||||
value_type const reference { 42, "forty-two" };
|
||||
|
||||
{
|
||||
O o;
|
||||
VERIFY( o < reference );
|
||||
VERIFY( !(reference < o) );
|
||||
VERIFY( !(o > reference) );
|
||||
VERIFY( reference > o );
|
||||
VERIFY( o <= reference );
|
||||
VERIFY( !(reference <= o) );
|
||||
VERIFY( !(o >= reference) );
|
||||
VERIFY( reference >= o );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 11, "eleventy" } };
|
||||
VERIFY( o < reference );
|
||||
VERIFY( !(reference < o) );
|
||||
VERIFY( !(o > reference) );
|
||||
VERIFY( reference > o );
|
||||
VERIFY( o <= reference );
|
||||
VERIFY( !(reference <= o) );
|
||||
VERIFY( !(o >= reference) );
|
||||
VERIFY( reference >= o );
|
||||
}
|
||||
|
||||
{
|
||||
O o { value_type { 42, "forty-two" } };
|
||||
VERIFY( !(o < reference) );
|
||||
VERIFY( !(reference < o) );
|
||||
VERIFY( !(o > reference) );
|
||||
VERIFY( !(reference > o) );
|
||||
VERIFY( o <= reference );
|
||||
VERIFY( reference <= o );
|
||||
VERIFY( o >= reference );
|
||||
VERIFY( reference >= o );
|
||||
}
|
||||
}
|
||||
70
libstdc++-v3/testsuite/experimental/optional/relops/5.cc
Normal file
70
libstdc++-v3/testsuite/experimental/optional/relops/5.cc
Normal file
|
|
@ -0,0 +1,70 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <tuple>
|
||||
#include <string>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
std::string s;
|
||||
};
|
||||
|
||||
bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); }
|
||||
|
||||
bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using std::experimental::nullopt;
|
||||
|
||||
{
|
||||
O o;
|
||||
VERIFY( o == nullopt );
|
||||
VERIFY( nullopt == o );
|
||||
VERIFY( !(o != nullopt) );
|
||||
VERIFY( !(nullopt != o) );
|
||||
}
|
||||
|
||||
{
|
||||
O o { std::experimental::in_place };
|
||||
VERIFY( !(o == nullopt) );
|
||||
VERIFY( !(nullopt == o) );
|
||||
VERIFY( o != nullopt );
|
||||
VERIFY( nullopt != o );
|
||||
}
|
||||
}
|
||||
78
libstdc++-v3/testsuite/experimental/optional/relops/6.cc
Normal file
78
libstdc++-v3/testsuite/experimental/optional/relops/6.cc
Normal file
|
|
@ -0,0 +1,78 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <tuple>
|
||||
#include <string>
|
||||
|
||||
namespace ns
|
||||
{
|
||||
struct value_type
|
||||
{
|
||||
int i;
|
||||
std::string s;
|
||||
};
|
||||
|
||||
bool
|
||||
operator==(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); }
|
||||
|
||||
bool
|
||||
operator!=(value_type const& lhs, value_type const& rhs)
|
||||
{ return !(lhs == rhs); }
|
||||
|
||||
bool
|
||||
operator<(value_type const& lhs, value_type const& rhs)
|
||||
{ return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); }
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using ns::value_type;
|
||||
using O = std::experimental::optional<value_type>;
|
||||
using std::experimental::nullopt;
|
||||
|
||||
{
|
||||
O o;
|
||||
VERIFY( !(o < nullopt) );
|
||||
VERIFY( !(nullopt < o) );
|
||||
VERIFY( !(o > nullopt) );
|
||||
VERIFY( !(nullopt > o) );
|
||||
VERIFY( o <= nullopt );
|
||||
VERIFY( nullopt <= o );
|
||||
VERIFY( o >= nullopt );
|
||||
VERIFY( nullopt >= o );
|
||||
}
|
||||
|
||||
{
|
||||
O o { std::experimental::in_place };
|
||||
VERIFY( !(o < nullopt) );
|
||||
VERIFY( nullopt < o );
|
||||
VERIFY( o > nullopt );
|
||||
VERIFY( !(nullopt > o) );
|
||||
VERIFY( !(o <= nullopt) );
|
||||
VERIFY( nullopt <= o );
|
||||
VERIFY( o >= nullopt );
|
||||
VERIFY( !(nullopt >= o) );
|
||||
}
|
||||
}
|
||||
256
libstdc++-v3/testsuite/experimental/optional/requirements.cc
Normal file
256
libstdc++-v3/testsuite/experimental/optional/requirements.cc
Normal file
|
|
@ -0,0 +1,256 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
#include <tuple>
|
||||
|
||||
struct trivially_destructible
|
||||
{
|
||||
trivially_destructible() = delete;
|
||||
trivially_destructible(trivially_destructible const&) = delete;
|
||||
trivially_destructible& operator=(trivially_destructible const&) = delete;
|
||||
trivially_destructible(trivially_destructible&&) = delete;
|
||||
trivially_destructible& operator=(trivially_destructible&&) = delete;
|
||||
~trivially_destructible() noexcept = default;
|
||||
};
|
||||
|
||||
static_assert( std::is_trivially_destructible<trivially_destructible>(), "" );
|
||||
|
||||
struct no_default_constructor
|
||||
{
|
||||
no_default_constructor() = delete;
|
||||
};
|
||||
|
||||
struct no_copy_constructor
|
||||
{
|
||||
no_copy_constructor() = default;
|
||||
no_copy_constructor(no_copy_constructor const&) = delete;
|
||||
no_copy_constructor& operator=(no_copy_constructor const&) = default;
|
||||
no_copy_constructor(no_copy_constructor&&) = default;
|
||||
no_copy_constructor& operator=(no_copy_constructor&&) = default;
|
||||
};
|
||||
|
||||
struct no_copy_assignment
|
||||
{
|
||||
no_copy_assignment() = default;
|
||||
no_copy_assignment(no_copy_assignment const&) = default;
|
||||
no_copy_assignment(no_copy_assignment&&) = default;
|
||||
no_copy_assignment& operator=(no_copy_assignment&&) = default;
|
||||
};
|
||||
|
||||
struct no_move_constructor
|
||||
{
|
||||
no_move_constructor() = default;
|
||||
no_move_constructor(no_move_constructor const&) = default;
|
||||
no_move_constructor& operator=(no_move_constructor const&) = default;
|
||||
no_move_constructor(no_move_constructor&&) = delete;
|
||||
no_move_constructor& operator=(no_move_constructor&&) = default;
|
||||
};
|
||||
|
||||
struct no_move_assignment
|
||||
{
|
||||
no_move_assignment() = default;
|
||||
no_move_assignment(no_move_assignment const&) = default;
|
||||
no_move_assignment& operator=(no_move_assignment const&) = default;
|
||||
no_move_assignment(no_move_assignment&&) = default;
|
||||
no_move_assignment& operator=(no_move_assignment&&) = delete;
|
||||
};
|
||||
|
||||
struct no_copy : no_copy_constructor, no_copy_assignment { };
|
||||
struct no_move : no_move_constructor, no_move_assignment { };
|
||||
|
||||
// Laxest possible model of a value type for optional
|
||||
struct only_destructible
|
||||
{
|
||||
only_destructible(only_destructible&&) = delete;
|
||||
};
|
||||
|
||||
int main()
|
||||
{
|
||||
{
|
||||
static_assert( std::is_trivially_destructible<std::experimental::optional<trivially_destructible>>(), "" );
|
||||
}
|
||||
|
||||
{
|
||||
using T = no_default_constructor;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_same<O::value_type, T>(), "" );
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( std::is_copy_constructible<O>(), "" );
|
||||
{ O o; auto copy = o; }
|
||||
static_assert( std::is_copy_assignable<O>(), "" );
|
||||
{ O o, p; p = o; }
|
||||
static_assert( std::is_move_constructible<O>(), "" );
|
||||
{ O o; auto moved_to = std::move(o); }
|
||||
static_assert( std::is_move_assignable<O>(), "" );
|
||||
{ O o, p; p = std::move(o); }
|
||||
}
|
||||
|
||||
{
|
||||
using T = no_copy_constructor;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_same<O::value_type, T>(), "" );
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( !std::is_copy_constructible<O>(), "" );
|
||||
static_assert( !std::is_copy_assignable<O>(), "" );
|
||||
static_assert( std::is_move_constructible<O>(), "" );
|
||||
{ O o; auto moved_to = std::move(o); }
|
||||
static_assert( std::is_move_assignable<O>(), "" );
|
||||
{ O o, p; p = std::move(o); }
|
||||
}
|
||||
|
||||
{
|
||||
using T = no_copy_assignment;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( std::is_copy_constructible<O>(), "" );
|
||||
{ O o; auto copy = o; }
|
||||
static_assert( !std::is_copy_assignable<O>(), "" );
|
||||
static_assert( std::is_move_constructible<O>(), "" );
|
||||
{ O o; auto moved_to = std::move(o); }
|
||||
static_assert( std::is_move_assignable<O>(), "" );
|
||||
{ O o, p; p = std::move(o); }
|
||||
}
|
||||
|
||||
{
|
||||
using T = no_copy;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_same<O::value_type, T>(), "" );
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( !std::is_copy_constructible<O>(), "" );
|
||||
static_assert( !std::is_copy_assignable<O>(), "" );
|
||||
static_assert( std::is_move_constructible<O>(), "" );
|
||||
{ O o; auto moved_to = std::move(o); }
|
||||
static_assert( std::is_move_assignable<O>(), "" );
|
||||
{ O o, p; p = std::move(o); }
|
||||
}
|
||||
|
||||
{
|
||||
using T = no_move_constructor;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_same<O::value_type, T>(), "" );
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( std::is_copy_constructible<O>(), "" );
|
||||
{ O o; auto copy = o; }
|
||||
static_assert( std::is_copy_assignable<O>(), "" );
|
||||
/*
|
||||
* T should be move constructible due to [12.8/11], which is a new rule in C++1y
|
||||
* not yet implemented by GCC. Because there is already a special exception in C++11
|
||||
* for the generation of the special members that GCC implements (at least some of the
|
||||
* time), this does not affect the std::experimental::optional implementation however. So the assertion
|
||||
* for T should be changed (or removed altogether) when the time comes, but the rest
|
||||
* should however remain correct and unchanged.
|
||||
*/
|
||||
static_assert( !std::is_move_constructible<T>(), "" );
|
||||
static_assert( std::is_move_constructible<O>(), "" );
|
||||
{ O o; auto moved_to = std::move(o); }
|
||||
static_assert( std::is_move_assignable<O>(), "" );
|
||||
{ O o, p; p = std::move(o); }
|
||||
}
|
||||
|
||||
{
|
||||
using T = no_move_assignment;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_same<O::value_type, T>(), "" );
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( std::is_copy_constructible<O>(), "" );
|
||||
{ O o; auto copy = o; }
|
||||
static_assert( std::is_copy_assignable<O>(), "" );
|
||||
{ O o, p; p = o; }
|
||||
static_assert( std::is_move_constructible<O>(), "" );
|
||||
{ O o; auto moved_to = std::move(o); }
|
||||
/*
|
||||
* Paragraph 23 of same leads to a similar situation but with respect to move
|
||||
* assignment.
|
||||
*/
|
||||
static_assert( !std::is_move_assignable<T>(), "" );
|
||||
static_assert( std::is_move_assignable<O>(), "" );
|
||||
{ O o, p; p = std::move(o); }
|
||||
}
|
||||
|
||||
{
|
||||
using T = no_move;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_same<O::value_type, T>(), "" );
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( std::is_copy_constructible<O>(), "" );
|
||||
{ O o; auto copy = o; }
|
||||
static_assert( std::is_copy_assignable<O>(), "" );
|
||||
{ O o, p; p = o; }
|
||||
static_assert( std::is_move_constructible<O>(), "" );
|
||||
{ O o; auto moved_to = std::move(o); }
|
||||
static_assert( std::is_move_assignable<O>(), "" );
|
||||
{ O o, p; p = std::move(o); }
|
||||
}
|
||||
|
||||
{
|
||||
using T = only_destructible;
|
||||
using O = std::experimental::optional<T>;
|
||||
static_assert( std::is_same<O::value_type, T>(), "" );
|
||||
static_assert( std::is_default_constructible<O>(), "" );
|
||||
{ O o; }
|
||||
static_assert( !std::is_copy_constructible<O>(), "" );
|
||||
static_assert( !std::is_copy_assignable<O>(), "" );
|
||||
static_assert( !std::is_move_constructible<O>(), "" );
|
||||
static_assert( !std::is_move_assignable<O>(), "" );
|
||||
}
|
||||
|
||||
{
|
||||
/*
|
||||
* Should not complain about 'invalid' specializations as long as
|
||||
* they're not instantiated.
|
||||
*/
|
||||
using A = std::experimental::optional<int&>;
|
||||
using B = std::experimental::optional<int&&>;
|
||||
using C1 = std::experimental::optional<std::experimental::in_place_t>;
|
||||
using C2 = std::experimental::optional<std::experimental::in_place_t const>;
|
||||
using C3 = std::experimental::optional<std::experimental::in_place_t volatile>;
|
||||
using C4 = std::experimental::optional<std::experimental::in_place_t const volatile>;
|
||||
using D1 = std::experimental::optional<std::experimental::nullopt_t>;
|
||||
using D2 = std::experimental::optional<std::experimental::nullopt_t const>;
|
||||
using D3 = std::experimental::optional<std::experimental::nullopt_t volatile>;
|
||||
using D4 = std::experimental::optional<std::experimental::nullopt_t const volatile>;
|
||||
|
||||
using X = std::tuple<A, B, C1, C2, C3, C4, D1, D2, D3, D4>;
|
||||
}
|
||||
|
||||
{
|
||||
std::experimental::optional<const int> o { 42 };
|
||||
static_assert( std::is_same<decltype(o)::value_type, const int>(), "" );
|
||||
VERIFY( o );
|
||||
VERIFY( *o == 42 );
|
||||
}
|
||||
|
||||
{
|
||||
constexpr std::experimental::optional<const int> o { 33 };
|
||||
static_assert( std::is_same<decltype(o)::value_type, const int>(), "" );
|
||||
static_assert( o, "" );
|
||||
static_assert( *o == 33, "" );
|
||||
}
|
||||
}
|
||||
95
libstdc++-v3/testsuite/experimental/optional/swap/1.cc
Normal file
95
libstdc++-v3/testsuite/experimental/optional/swap/1.cc
Normal file
|
|
@ -0,0 +1,95 @@
|
|||
// { dg-options "-std=gnu++1y" }
|
||||
// { dg-do run }
|
||||
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a moved_to of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <experimental/optional>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
struct exception {};
|
||||
|
||||
int counter = 0;
|
||||
|
||||
struct mixin_counter
|
||||
{
|
||||
mixin_counter() { ++counter; }
|
||||
mixin_counter(mixin_counter const&) { ++counter; }
|
||||
~mixin_counter() { --counter; }
|
||||
};
|
||||
|
||||
namespace ns
|
||||
{
|
||||
|
||||
struct value_type : private mixin_counter
|
||||
{
|
||||
explicit value_type(int state) : state(state) { }
|
||||
int state;
|
||||
};
|
||||
|
||||
int swaps = 0;
|
||||
|
||||
void
|
||||
swap(value_type& lhs, value_type& rhs)
|
||||
{
|
||||
++swaps;
|
||||
using std::swap;
|
||||
swap(lhs.state, rhs.state);
|
||||
}
|
||||
|
||||
} // namespace ns
|
||||
|
||||
int main()
|
||||
{
|
||||
using O = std::experimental::optional<ns::value_type>;
|
||||
|
||||
VERIFY( ns::swaps == 0 );
|
||||
|
||||
{
|
||||
O o, p;
|
||||
swap(o, p);
|
||||
VERIFY( !o );
|
||||
VERIFY( !p );
|
||||
}
|
||||
|
||||
{
|
||||
O o { std::experimental::in_place, 45 }, p;
|
||||
swap(o, p);
|
||||
VERIFY( !o );
|
||||
VERIFY( p && p->state == 45 );
|
||||
}
|
||||
|
||||
{
|
||||
O o, p { std::experimental::in_place, 45 };
|
||||
swap(o, p);
|
||||
VERIFY( o && o->state == 45 );
|
||||
VERIFY( !p );
|
||||
}
|
||||
|
||||
{
|
||||
O o { std::experimental::in_place, 167 }, p { std::experimental::in_place, 999 };
|
||||
VERIFY( ns::swaps == 0 );
|
||||
|
||||
swap(o, p);
|
||||
|
||||
VERIFY( o && o->state == 999 );
|
||||
VERIFY( p && p->state == 167 );
|
||||
VERIFY( ns::swaps == 1 );
|
||||
}
|
||||
|
||||
VERIFY( counter == 0 );
|
||||
}
|
||||
|
|
@ -60,6 +60,7 @@ if {[info exists tests_file] && [file exists $tests_file]} {
|
|||
lappend subdirs "$srcdir/tr1"
|
||||
lappend subdirs "$srcdir/tr2"
|
||||
lappend subdirs "$srcdir/decimal"
|
||||
lappend subdirs "$srcdir/experimental"
|
||||
verbose "subdirs are $subdirs"
|
||||
|
||||
# Find all the tests.
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue