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Merge pull request #3 from JordanMaples/dev/jomaples/lwg3255

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adding additional filtering
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Jordan Maples [MSFT] 2020-04-08 14:43:15 -07:00 committed by GitHub
commit c5dd0e6d40
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1 changed files with 11 additions and 6 deletions
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17
tests/span_compatibility_tests.cpp
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@ -42,6 +42,7 @@ static_assert(std::is_convertible<Derived*, Base*>::value, "std::is_convertible<
static_assert(!std::is_convertible<Derived (*)[], Base (*)[]>::value, static_assert(!std::is_convertible<Derived (*)[], Base (*)[]>::value,
"!std::is_convertible<Derived(*)[], Base(*)[]>"); "!std::is_convertible<Derived(*)[], Base(*)[]>");
#if (defined(_MSC_VER)) || (defined(__GNUC__) && __GNUC__ > 7) || (defined(__clang__) && __clang_major__ > 6)
template <class = void> template <class = void>
void ArrayConvertibilityCheck() void ArrayConvertibilityCheck()
{ {
@ -57,15 +58,19 @@ void ArrayConvertibilityCheck()
EXPECT_TRUE(sp_const_nullptr_2.data() == stl_nullptr.data()); EXPECT_TRUE(sp_const_nullptr_2.data() == stl_nullptr.data());
EXPECT_TRUE(sp_const_nullptr_2.size() == 3); EXPECT_TRUE(sp_const_nullptr_2.size() == 3);
static_assert(std::is_same<decltype(span{stl_nullptr}), span<int*, 3>>::value, static_assert(std::is_same<decltype(span{stl_nullptr}), span<int*, 3>>::value,
"std::is_same< decltype(span{stl_nullptr}), span<int*, 3>>::value"); "std::is_same< decltype(span{stl_nullptr}), span<int*, 3>>::value");
static_assert( static_assert(
std::is_same<decltype(span{std::as_const(stl_nullptr)}), span<int* const, 3>>::value, std::is_same<decltype(span{std::as_const(stl_nullptr)}), span<int* const, 3>>::value,
"std::is_same< decltype(span{std::as_const(stl_nullptr)}), span<int* const, " "std::is_same< decltype(span{std::as_const(stl_nullptr)}), span<int* const, "
"3>>::value"); "3>>::value");
} }
#endif #endif
} }
#else
template <class = void>
void ArrayConvertibilityCheck(){}
#endif
TEST(span_compatibility_tests, assertion_tests) TEST(span_compatibility_tests, assertion_tests)
{ {