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Fix: prevented the binding illegal temporary to optional<const int&>

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Older MSVC versions add illegal temporary when you want to assign from const integral value.
This commit is contained in:
Andrzej Krzemienski
2016-02-18 23:18:01 +01:00
parent 1671966380
commit 44d57a1d8b
20 changed files with 161 additions and 109 deletions
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20
test/optional_ref_assign_test_defs.hpp
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@ -163,26 +163,11 @@ void test_rebinding_assignment_semantics()
BOOST_TEST_EQ(val(v), 2);
}
template <typename T>
template <typename T, typename U>
void test_converting_assignment()
{
typename concrete_type_of<T>::type v1(1), v2(2), v3(3);
optional<T&> oA(v1), oB(none);
oA = v2;
BOOST_TEST(oA);
BOOST_TEST(addressof(*oA) == addressof(v2));
oB = v3;
BOOST_TEST(oB);
BOOST_TEST(addressof(*oB) == addressof(v3));
}
template <typename T>
void test_converting_assignment_for_noconst_const()
{
typename concrete_type_of<T>::type v1(1), v2(2), v3(3);
optional<const T&> oA(v1), oB(none);
optional<U&> oA(v1), oB(none);
oA = v2;
BOOST_TEST(oA);
@ -194,4 +179,3 @@ void test_converting_assignment_for_noconst_const()
}
#endif //BOOST_OPTIONAL_TEST_OPTIONAL_REF_ASSIGN_TEST_DEFS_AK_07JAN2015_HPP