binutils-gdb/gdb/testsuite/gdb.cp/classes.exp
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

629 lines
18 KiB
Text

# Copyright 1992-2017 Free Software Foundation, Inc.
# This program 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 of the License, or
# (at your option) any later version.
#
# This program 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 program. If not, see <http://www.gnu.org/licenses/>.
# This file was written by Fred Fish. (fnf@cygnus.com)
# And rewritten by Michael Chastain <mec.gnu@mindspring.com>.
set nl "\[\r\n\]+"
if { [skip_cplus_tests] } { continue }
load_lib "cp-support.exp"
standard_testfile .cc
if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
return -1
}
# Test ptype of class objects.
proc test_ptype_class_objects {} {
# Simple type.
cp_test_ptype_class \
"struct default_public_struct" "" "struct" "default_public_struct" \
{
{ field public "int a;" }
{ field public "int b;" }
}
# Another simple type.
cp_test_ptype_class \
"struct explicit_public_struct" "" "struct" "explicit_public_struct" \
{
{ field public "int a;" }
{ field public "int b;" }
}
# Another simple type.
cp_test_ptype_class \
"struct protected_struct" "" "struct" "protected_struct" \
{
{ field protected "int a;" }
{ field protected "int b;" }
}
# Another simple type.
cp_test_ptype_class \
"struct private_struct" "" "struct" "private_struct" \
{
{ field private "int a;" }
{ field private "int b;" }
}
# A bigger type.
cp_test_ptype_class \
"struct mixed_protection_struct" "" "struct" "mixed_protection_struct" \
{
{ field public "int a;" }
{ field public "int b;" }
{ field private "int c;" }
{ field private "int d;" }
{ field protected "int e;" }
{ field protected "int f;" }
{ field public "int g;" }
{ field private "int h;" }
{ field protected "int i;" }
}
# All that again with "class" instead of "struct".
# gdb does not care about the difference anyways.
cp_test_ptype_class \
"class public_class" "" "class" "public_class" \
{
{ field public "int a;" }
{ field public "int b;" }
}
# Another simple type.
cp_test_ptype_class \
"class protected_class" "" "class" "protected_class" \
{
{ field protected "int a;" }
{ field protected "int b;" }
}
# Another simple type.
cp_test_ptype_class \
"class default_private_class" "" "class" "default_private_class" \
{
{ field private "int a;" }
{ field private "int b;" }
}
# Another simple type.
cp_test_ptype_class \
"class explicit_private_class" "" "class" "explicit_private_class" \
{
{ field private "int a;" }
{ field private "int b;" }
}
# A bigger type.
cp_test_ptype_class \
"class mixed_protection_class" "" "class" "mixed_protection_class" \
{
{ field public "int a;" }
{ field public "int b;" }
{ field private "int c;" }
{ field private "int d;" }
{ field protected "int e;" }
{ field protected "int f;" }
{ field public "int g;" }
{ field private "int h;" }
{ field protected "int i;" }
}
# Here are some classes with inheritance.
# Base class.
cp_test_ptype_class \
"class A" "" "class" "A" \
{
{ field public "int a;" }
{ field public "int x;" }
}
# Derived class.
cp_test_ptype_class \
"class B" "" "class" "B" \
{
{ base "public A" }
{ field public "int b;" }
{ field public "int x;" }
}
# Derived class.
cp_test_ptype_class \
"class C" "" "class" "C" \
{
{ base "public A" }
{ field public "int c;" }
{ field public "int x;" }
}
# Derived class, multiple inheritance.
cp_test_ptype_class \
"class D" "" "class" "D" \
{
{ base "public B" }
{ base "public C" }
{ field public "int d;" }
{ field public "int x;" }
}
# Derived class.
cp_test_ptype_class \
"class E" "" "class" "E" \
{
{ base "public D" }
{ field public "int e;" }
{ field public "int x;" }
}
# This is a break from inheritance tests.
#
# gcc 2.X with stabs (stabs or stabs+?) used to have a problem with
# static methods whose name is the same as their argument mangling.
cp_test_ptype_class \
"class Static" "" "class" "Static" \
{
{ method public "static void ii(int, int);" }
}
# Here are some virtual inheritance tests.
# A virtual base class.
cp_test_ptype_class \
"class vA" "" "class" "vA" \
{
{ field public "int va;" }
{ field public "int vx;" }
}
# A derived class with a virtual base.
cp_test_ptype_class \
"class vB" "" "class" "vB" \
{
{ base "public virtual vA" }
{ vbase "vA" }
{ field public "int vb;" }
{ field public "int vx;" }
}
# Another derived class with a virtual base.
cp_test_ptype_class \
"class vC" "" "class" "vC" \
{
{ base "public virtual vA" }
{ vbase "vA" }
{ field public "int vc;" }
{ field public "int vx;" }
}
# A classic diamond class.
cp_test_ptype_class \
"class vD" "" "class" "vD" \
{
{ base "public virtual vB" }
{ base "public virtual vC" }
{ vbase "vC" }
{ vbase "vB" }
{ field public "int vd;" }
{ field public "int vx;" }
}
# A class derived from a diamond class.
cp_test_ptype_class \
"class vE" "" "class" "vE" \
{
{ base "public virtual vD" }
{ vbase "vD" }
{ field public "int ve;" }
{ field public "int vx;" }
}
# Another inheritance series.
# A base class.
cp_test_ptype_class \
"class Base1" "" "class" "Base1" \
{
{ field public "int x;" }
{ method public "Base1(int);" }
}
# Another base class.
cp_test_ptype_class \
"class Foo" "" "class" "Foo" \
{
{ field public "int x;" }
{ field public "int y;" }
{ field public "static int st;" }
{ method public "Foo(int, int);" }
{ method public "int operator!();" }
{ method public "operator int();" }
{ method public "int times(int);" }
} \
"" \
{
{
"operator int();"
"int operator int();"
{ setup_kfail "gdb/1497" "*-*-*" }
}
{
"operator int();"
"int operator int(void);"
{ setup_kfail "gdb/1497" "*-*-*" }
}
}
# A multiple inheritance derived class.
cp_test_ptype_class \
"class Bar" "" "class" "Bar" \
{
{ base "public Base1" }
{ base "public Foo" }
{ field public "int z;" }
{ method public "Bar(int, int, int);" }
}
# Derived class with typedef'd baseclass with virtual methods.
cp_test_ptype_class \
"class DynamicBar" "" "class" "DynamicBar" \
{
{ base "public DynamicBase2" }
{ field public "int y;" }
{ method public "DynamicBar(int, int);" }
}
}
# Test simple access to class members.
proc test_non_inherited_member_access {} {
# Print non-inherited members of g_A.
gdb_test "print g_A.a" ".* = 1"
gdb_test "print g_A.x" ".* = 2"
# Print non-inherited members of g_B.
gdb_test "print g_B.b" ".* = 5"
gdb_test "print g_B.x" ".* = 6"
# Print non-inherited members of g_C.
gdb_test "print g_C.c" ".* = 9"
gdb_test "print g_C.x" ".* = 10"
# Print non-inherited members of g_D.
gdb_test "print g_D.d" ".* = 19"
gdb_test "print g_D.x" ".* = 20"
# Print non-inherited members of g_E.
gdb_test "print g_E.e" ".* = 31"
gdb_test "print g_E.x" ".* = 32"
}
# Test access to members of other classes.
# gdb should refuse to print them.
# (I feel old -- I remember when this was legal in C -- chastain).
proc test_wrong_class_members {} {
gdb_test "print g_A.b" "There is no member( or method|) named b."
gdb_test "print g_B.c" "There is no member( or method|) named c."
gdb_test "print g_B.d" "There is no member( or method|) named d."
gdb_test "print g_C.b" "There is no member( or method|) named b."
gdb_test "print g_C.d" "There is no member( or method|) named d."
gdb_test "print g_D.e" "There is no member( or method|) named e."
}
# Test access to names that are not members of any class.
proc test_nonexistent_members {} {
gdb_test "print g_A.y" "There is no member( or method|) named y."
gdb_test "print g_B.z" "There is no member( or method|) named z."
gdb_test "print g_C.q" "There is no member( or method|) named q."
gdb_test "print g_D.p" "There is no member( or method|) named p."
}
# Call a method that expects a base class parameter with base, inherited,
# and unrelated class arguments.
proc test_method_param_class {} {
gdb_test "call class_param.Aptr_a (&g_A)" ".* = 1"
gdb_test "call class_param.Aptr_x (&g_A)" ".* = 2"
gdb_test "call class_param.Aptr_a (&g_B)" ".* = 3"
gdb_test "call class_param.Aptr_x (&g_B)" ".* = 4"
gdb_test "call class_param.Aref_a (g_A)" ".* = 1"
gdb_test "call class_param.Aref_x (g_A)" ".* = 2"
gdb_test "call class_param.Aref_a (g_B)" ".* = 3"
gdb_test "call class_param.Aref_x (g_B)" ".* = 4"
gdb_test "call class_param.Aval_a (g_A)" ".* = 1"
gdb_test "call class_param.Aval_x (g_A)" ".* = 2"
gdb_test "call class_param.Aval_a (g_B)" ".* = 3"
gdb_test "call class_param.Aval_x (g_B)" ".* = 4"
gdb_test "call class_param.Aptr_a (&foo)" "Cannot resolve .*" "unrelated class *param"
gdb_test "call class_param.Aref_a (foo)" "Cannot resolve .*" "unrelated class &param"
gdb_test "call class_param.Aval_a (foo)" "Cannot resolve .*" "unrelated class param"
}
# Examine a class with an enum field.
proc test_enums {} {
global gdb_prompt
global nl
# print the object
# We match the enum values with and without qualifiers. As of
# 2008-08-21 we can output the qualifiers for DWARF-2.
gdb_test "print obj_with_enum" \
"\\$\[0-9\]+ = \{priv_enum = (ClassWithEnum::)?red, x = 0\}" \
"print obj_with_enum (1)"
# advance one line
gdb_test "next" ".*"
# print the object again
gdb_test "print obj_with_enum" \
"\\$\[0-9\]+ = \{priv_enum = (ClassWithEnum::)?green, x = 0\}" \
"print obj_with_enum (2)"
# print the enum member
gdb_test "print obj_with_enum.priv_enum" "\\$\[0-9\]+ = (ClassWithEnum::)?green"
# ptype on the enum member
gdb_test_multiple "ptype obj_with_enum.priv_enum" "ptype obj_with_enum.priv_enum" {
-re "type = enum ClassWithEnum::PrivEnum (: unsigned (int|short|char) )?\{ ?(ClassWithEnum::)?red, (ClassWithEnum::)?green, (ClassWithEnum::)?blue, (ClassWithEnum::)?yellow = 42 ?\}$nl$gdb_prompt $" {
pass "ptype obj_with_enum.priv_enum"
}
-re "type = enum PrivEnum \{ ?(ClassWithEnum::)?red, (ClassWithEnum::)?green, (ClassWithEnum::)?blue, (ClassWithEnum::)?yellow = 42 ?\}$nl$gdb_prompt $" {
# gcc 2.95.3 -gdwarf-2
# gcc 3.3.2 -gdwarf-2
pass "ptype obj_with_enum.priv_enum"
}
-re "type = enum \{ ?red, green, blue, yellow = 42 ?\}$nl$gdb_prompt $" {
# This case case is a little dubious, but it's not clear what
# ought to be required of a ptype on a private enum...
# -sts 19990324
#
# It bugs me that this happens with gcc 3.
# -- chastain 2003-12-30
#
# gcc 2.95.3 -gstabs+
# gcc 3.3.2 -gstabs+
# gcc HEAD 2003-12-28 21:08:30 UTC -gstabs+
pass "ptype obj_with_enum.priv_enum"
}
}
# ptype on the object
# NOTE: carlton/2003-02-28: One could certainly argue that plain
# "PrivEnum"
# is acceptable: PrivEnum is a member of ClassWithEnum, so
# there's no need to explicitly qualify its name with
# "ClassWithEnum::". The truth, though, is that GDB is simply
# forgetting that PrivEnum is a member of ClassWithEnum, so we do
# that output for a bad reason instead of a good reason. Under
# stabs, we probably can't get this right; under DWARF-2, we can.
cp_test_ptype_class \
"obj_with_enum" "" "class" "ClassWithEnum" \
{
{ field public "ClassWithEnum::PrivEnum priv_enum;" }
{ field public "int x;" }
} \
"" \
{
{
"ClassWithEnum::PrivEnum priv_enum;"
"PrivEnum priv_enum;"
{ setup_kfail "gdb/57" "*-*-*" }
}
}
# I'll do this test two different ways, because of a parser bug.
# See PR gdb/1588.
gdb_test_multiple "print (ClassWithEnum::PrivEnum) 42" "print (ClassWithEnum::PrivEnum) 42" {
-re "\\$\[0-9\]+ = (ClassWithEnum::)?yellow$nl$gdb_prompt $" {
pass "print (ClassWithEnum::PrivEnum) 42"
}
-re "A (parse|syntax) error in expression, near `42'.$nl$gdb_prompt $" {
# "parse error" is bison 1.35.
# "syntax error" is bison 1.875.
kfail "gdb/1588" "print (ClassWithEnum::PrivEnum) 42"
}
}
gdb_test_multiple "print ('ClassWithEnum::PrivEnum') 42" "print ('ClassWithEnum::PrivEnum') 42" {
-re "\\$\[0-9\]+ = (ClassWithEnum::)?yellow$nl$gdb_prompt $" {
# gcc 3.3.2 -gstabs+
# gcc HEAD 2003-12-28 21:08:30 UTC -gstabs+
pass "print ('ClassWithEnum::PrivEnum') 42"
}
-re "No symbol \"ClassWithEnum::PrivEnum\" in current context.$nl$gdb_prompt $" {
# gcc 2.95.3 -gdwarf-2
# gcc 3.3.2 -gdwarf-2
# gcc HEAD 2003-12-28 21:08:30 UTC -gdwarf-2
# gcc 2.95.3 -gstabs+
kfail "gdb/57" "print ('ClassWithEnum::PrivEnum') 42"
}
}
}
# Pointers to class members
proc test_pointers_to_class_members {} {
gdb_test "print Bar::z" "Cannot reference non-static field \"z\""
gdb_test "print &Foo::x" "\\$\[0-9\]+ = &Foo::x"
gdb_test "print (int)&Foo::x" "\\$\[0-9\]+ = 0"
gdb_test "print (int)&Bar::y == 2*sizeof(int)" "\\$\[0-9\]+ = true"
gdb_test "ptype Bar::z" "type = int"
gdb_test "ptype &Bar::z" "type = int Bar::\\*"
# TODO: this is a bogus test. It's looking at a variable that
# has not even been declared yet, so it's accessing random junk
# on the stack and comparing that it's NOT equal to a specific
# value. It's been like this since gdb 4.10 in 1993!
# -- chastain 2004-01-01
gdb_test "print (int)pmi == sizeof(int)" ".* = false"
}
# Test static members.
proc test_static_members {} {
global hex
gdb_test "print Foo::st" "\\$\[0-9\]+ = 100"
gdb_test_no_output "set foo.st = 200" ""
gdb_test "print bar.st" "\\$\[0-9\]+ = 200"
gdb_test "print &foo.st" "\\$\[0-9\]+ = \\(int ?\\*\\) $hex <Foo::st>"
gdb_test "print &Bar::st" "\\$\[0-9\]+ = \\(int ?\\*\\) $hex <Foo::st>"
gdb_test "print *\$" "\\$\[0-9\]+ = 200"
gdb_test_no_output "set print static-members off"
gdb_test "print csi" \
"{x = 10, y = 20}" \
"print csi without static members"
gdb_test "print cnsi" \
"{x = 30, y = 40}" \
"print cnsi without static members"
gdb_test_no_output "set print static-members on"
gdb_test "print csi" \
"{x = 10, y = 20, static null = {x = 0, y = 0, static null = <same as static member of an already seen type>}}" \
"print csi with static members"
gdb_test "print cnsi" \
"{x = 30, y = 40, static null = {x = 0, y = 0, static null = <same as static member of an already seen type>, static yy = {z = 5, static xx = {x = 1, y = 2, static null = <same as static member of an already seen type>, static yy = <same as static member of an already seen type>}}}, static yy = <same as static member of an already seen type>}" \
"print cnsi with static members"
}
proc do_tests {} {
global gdb_prompt
global nl
gdb_test_no_output "set language c++" ""
gdb_test_no_output "set width 0" ""
if ![runto_main ] then {
perror "couldn't run to breakpoint"
return
}
gdb_breakpoint inheritance2
gdb_test "continue" ".*Breakpoint .* inheritance2.*" ""
test_ptype_class_objects
test_non_inherited_member_access
test_wrong_class_members
test_nonexistent_members
test_method_param_class
gdb_breakpoint enums2
gdb_test "continue" ".*Breakpoint .* enums2.*" "continue to enums2(\\(\\)|)"
# Leave enums2. Make sure we reach the next line, in case there
# are any more instructions to finish the function call.
gdb_test_multiple "finish" "" {
-re "enums2 \\(\\);.*$gdb_prompt $" {
gdb_test "next" ".*" ""
}
-re "$gdb_prompt $" { }
}
test_enums
gdb_test "finish" ".*" ""
test_pointers_to_class_members
test_static_members
# Now some random tests that were just thrown in here.
gdb_breakpoint marker_reg1
gdb_test "continue" ".*Breakpoint .* marker_reg1.*" ""
gdb_test "finish" "Run till exit from.*" "finish from marker_reg1"
# This class is so small that an instance of it can fit in a register.
# When gdb tries to call a method, it gets embarrassed about taking
# the address of a register.
#
# TODO: I think that message should be a PASS, not an XFAIL.
# gdb prints an informative message and declines to do something
# impossible.
#
# The method call actually succeeds if the compiler allocates very
# small classes in memory instead of registers. So this test does
# not tell us anything interesting if the call succeeds.
#
# -- chastain 2003-12-31
gdb_test_multiple "print v.method ()" "calling method for small class" {
-re "\\$\[0-9\]+ = 82$nl$gdb_prompt $" {
# gcc 3.3.2 -gdwarf-2
# gcc HEAD 2003-12-28 21:08:30 UTC -gdwarf-2
# gcc 3.3.2 -gstabs+
# gcc HEAD 2003-12-28 21:08:30 UTC -gstabs+
pass "calling method for small class"
}
-re "Address requested for identifier \"v\" which is in register .*$nl$gdb_prompt $" {
# gcc 2.95.3 -gdwarf-2
# gcc 2.95.3 -gstabs+
setup_xfail "*-*-*" 2972
fail "calling method for small class"
}
}
gdb_test "print base1::Base1" "<.*Base1.*>" "print ctor of typedef class"
gdb_test "print base1::~Base1" "<.*~Base1(\\(\\))?>" \
"print dtor of typedef class"
gdb_test "list ByAnyOtherName::times" ".*int Foo::times.*"
}
do_tests