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Update span_compatibility_tests.cpp

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some fixes.
This commit is contained in:
Jordan Maples [MSFT] 2020-02-14 16:25:25 -08:00
parent b6b1e9c3cf
commit 6b01a0488b
1 changed files with 19 additions and 16 deletions
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35
tests/span_compatibility_tests.cpp
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@ -41,13 +41,6 @@ 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(*)[]>");
template <typename U, typename = void>
static constexpr bool AsWritableBytesCompilesFor = false;
template <typename U>
static constexpr bool AsWritableBytesCompilesFor<U, void_t<decltype(as_writable_bytes(declval<U>()))>> =
true;
TEST(span_compatibility_tests, assertion_tests) TEST(span_compatibility_tests, assertion_tests)
{ {
int arr[3]{10, 20, 30}; int arr[3]{10, 20, 30};
@ -501,15 +494,6 @@ TEST(span_compatibility_tests, assertion_tests)
static_assert(noexcept(as_writable_bytes(sp_dyn)), "noexcept(as_writable_bytes(sp_dyn))"); static_assert(noexcept(as_writable_bytes(sp_dyn)), "noexcept(as_writable_bytes(sp_dyn))");
static_assert(noexcept(as_writable_bytes(sp_nine)), "noexcept(as_writable_bytes(sp_nine))"); static_assert(noexcept(as_writable_bytes(sp_nine)), "noexcept(as_writable_bytes(sp_nine))");
static_assert(AsWritableBytesCompilesFor<gsl::span<int>>,
"AsWritableBytesCompilesFor<gsl::span<int>>");
static_assert(AsWritableBytesCompilesFor<gsl::span<int, 9>>,
"AsWritableBytesCompilesFor<gsl::span<int, 9>>");
static_assert(!AsWritableBytesCompilesFor<gsl::span<const int>>,
"!AsWritableBytesCompilesFor<gsl::span<const int>>");
static_assert(!AsWritableBytesCompilesFor<gsl::span<const int, 9>>,
"!AsWritableBytesCompilesFor<gsl::span<const int, 9>>");
auto sp_1 = as_bytes(sp_dyn); auto sp_1 = as_bytes(sp_dyn);
auto sp_2 = as_bytes(sp_nine); auto sp_2 = as_bytes(sp_nine);
auto sp_3 = as_bytes(sp_const_dyn); auto sp_3 = as_bytes(sp_const_dyn);
@ -1064,3 +1048,22 @@ static_assert(std::is_convertible<std::array<int, 3>&, gsl::span<const int>>::va
static_assert(std::is_convertible<const std::array<int, 3>&, gsl::span<const int>>::value, static_assert(std::is_convertible<const std::array<int, 3>&, gsl::span<const int>>::value,
"std::is_convertible<const std::array<int, 3>&, gsl::span<const int>>"); "std::is_convertible<const std::array<int, 3>&, gsl::span<const int>>");
#if __cplusplus >= 201703l
template <typename U, typename = void>
inline constexpr bool AsWritableBytesCompilesFor = false;
template <typename U>
inline constexpr bool AsWritableBytesCompilesFor<U, void_t<decltype(as_writable_bytes(declval<U>()))>> =
true;
static_assert(AsWritableBytesCompilesFor<gsl::span<int>>,
"AsWritableBytesCompilesFor<gsl::span<int>>");
static_assert(AsWritableBytesCompilesFor<gsl::span<int, 9>>,
"AsWritableBytesCompilesFor<gsl::span<int, 9>>");
static_assert(!AsWritableBytesCompilesFor<gsl::span<const int>>,
"!AsWritableBytesCompilesFor<gsl::span<const int>>");
static_assert(!AsWritableBytesCompilesFor<gsl::span<const int, 9>>,
"!AsWritableBytesCompilesFor<gsl::span<const int, 9>>");
#endif // __cplusplus >= 201703l