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Implement allocator_traits::is_always_equal

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This commit is contained in:
Daniel James
2018-01-03 20:55:40 +00:00
parent 9d558b010d
commit be0acc575f
2 changed files with 95 additions and 66 deletions
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8
test/unordered/allocator_traits.cpp
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@@ -126,6 +126,7 @@ void test_empty_allocator()
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(traits::is_always_equal::value);
BOOST_TEST(call_select<allocator>() == 0);
}
@@ -139,6 +140,7 @@ template <typename T> struct allocator1
typedef yes_type propagate_on_container_copy_assignment;
typedef yes_type propagate_on_container_move_assignment;
typedef yes_type propagate_on_container_swap;
typedef yes_type is_always_equal;
allocator1<T> select_on_container_copy_construction() const
{
@@ -166,6 +168,7 @@ void test_allocator1()
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(traits::is_always_equal::value);
BOOST_TEST(call_select<allocator>() == 1);
}
@@ -192,6 +195,7 @@ template <typename T> struct allocator2 : allocator2_base<allocator2<T> >
typedef no_type propagate_on_container_copy_assignment;
typedef no_type propagate_on_container_move_assignment;
typedef no_type propagate_on_container_swap;
typedef no_type is_always_equal;
};
void test_allocator2()
@@ -208,6 +212,7 @@ 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(!traits::is_always_equal::value);
BOOST_TEST(call_select<allocator>() == 1);
}
@@ -240,6 +245,8 @@ template <typename T> struct allocator3
typedef ptr<T const> const_pointer;
typedef unsigned short size_type;
int x; // Just to make it non-empty, so that is_always_equal is false.
ALLOCATOR_METHODS_TYPEDEFS(allocator3)
typedef yes_type propagate_on_container_copy_assignment;
@@ -267,6 +274,7 @@ void test_allocator3()
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(!traits::is_always_equal::value);
BOOST_TEST(call_select<allocator>() == 1);
}