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Unordered: New member function detection.

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Based on Ion's `has_member_function_callable_with`.

[SVN r74532]
This commit is contained in:
Daniel James
2011-09-22 23:56:49 +00:00
parent 78241de393
commit 340c98d89a
2 changed files with 114 additions and 58 deletions
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19
test/unordered/allocator_traits.cpp
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@@ -136,8 +136,17 @@ void test_allocator1()
// allocator 2
template <typename Alloc>
struct allocator2_base
{
Alloc select_on_container_copy_construction() const {
++selected;
return Alloc();
}
};
template <typename T>
struct allocator2
struct allocator2 : allocator2_base<allocator2<T> >
{
typedef T value_type;
typedef T* pointer;
@@ -149,12 +158,6 @@ struct allocator2
typedef no_type propagate_on_container_copy_assignment;
typedef no_type propagate_on_container_move_assignment;
typedef no_type propagate_on_container_swap;
// Note: Not const - so it shouldn't be called.
allocator2<T> select_on_container_copy_construction() {
++selected;
return allocator2<T>();
}
};
void test_allocator2()
@@ -169,7 +172,7 @@ void test_allocator2()
BOOST_TEST(!traits::propagate_on_container_copy_assignment::value);
BOOST_TEST(!traits::propagate_on_container_move_assignment::value);
BOOST_TEST(!traits::propagate_on_container_swap::value);
BOOST_TEST(call_select<allocator>() == 0);
BOOST_TEST(call_select<allocator>() == 1);
}
// allocator 3