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libstdc++: Improve types used as iterators in testsuite

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Signed-off-by: Jonathan Wakely <jwakely@redhat.com>

libstdc++-v3/ChangeLog:

	* testsuite/25_algorithms/copy/34595.cc: Add missing operation
	for type used as an iterator.
	* testsuite/25_algorithms/unique_copy/check_type.cc: Likewise.
This commit is contained in:
Jonathan Wakely 2021-09-24 13:23:34 +01:00
parent 4000d722e6
commit 5f1db7627f
2 changed files with 18 additions and 9 deletions
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5
libstdc++-v3/testsuite/25_algorithms/copy/34595.cc
View file

@ -27,11 +27,12 @@ class Counting_output_iterator
public:
Counting_output_iterator() : c(0) {}
Counting_output_iterator& operator++() { return *this; }
Counting_output_iterator operator++(int) { return *this; }
Counting_output_iterator& operator*() { return *this; }
template <typename T>
void operator=(const T&) { ++c; }
std::size_t current_counter() const { return c; }
};

22
libstdc++-v3/testsuite/25_algorithms/unique_copy/check_type.cc
View file

@ -25,27 +25,35 @@
using __gnu_test::input_iterator_wrapper;
using __gnu_test::output_iterator_wrapper;
struct S1 { };
template<typename T>
struct iter_facade
{
T& operator++();
T operator++(int);
T& operator*() const;
};
struct S2
struct S1 : iter_facade<S1> { };
struct S2 : iter_facade<S2>
{
S2(const S1&) {}
};
bool
bool
operator==(const S1&, const S1&) {return true;}
struct X1 { };
struct X1 : iter_facade<X1> { };
struct X2
struct X2 : iter_facade<X2>
{
X2(const X1&) {}
};
bool
bool
predicate(const X1&, const X1&) {return true;}
output_iterator_wrapper<S2>
output_iterator_wrapper<S2>
test1(input_iterator_wrapper<S1>& s1, output_iterator_wrapper<S2>& s2)
{ return std::unique_copy(s1, s1, s2); }