diff options
Diffstat (limited to 'test/std/experimental/utilities/meta/meta.logical/negation.pass.cpp')
| -rw-r--r-- | test/std/experimental/utilities/meta/meta.logical/negation.pass.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/std/experimental/utilities/meta/meta.logical/negation.pass.cpp b/test/std/experimental/utilities/meta/meta.logical/negation.pass.cpp new file mode 100644 index 0000000000000..b0d43d7e51229 --- /dev/null +++ b/test/std/experimental/utilities/meta/meta.logical/negation.pass.cpp @@ -0,0 +1,41 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// UNSUPPORTED: c++98, c++03, c++11 +// <experimental/type_traits> + +// template<class B> struct negation; +// template<class B> +// constexpr bool negation_v = negation<B>::value; + +#include <experimental/type_traits> +#include <cassert> + +namespace ex = std::experimental; + +struct True { static constexpr bool value = true; }; +struct False { static constexpr bool value = false; }; + +int main() +{ + static_assert (!ex::negation<std::true_type >::value, "" ); + static_assert ( ex::negation<std::false_type>::value, "" ); + + static_assert (!ex::negation_v<std::true_type >, "" ); + static_assert ( ex::negation_v<std::false_type>, "" ); + + static_assert (!ex::negation<True >::value, "" ); + static_assert ( ex::negation<False>::value, "" ); + + static_assert (!ex::negation_v<True >, "" ); + static_assert ( ex::negation_v<False>, "" ); + + static_assert ( ex::negation<ex::negation<std::true_type >>::value, "" ); + static_assert (!ex::negation<ex::negation<std::false_type>>::value, "" ); +} |
