diff options
Diffstat (limited to 'libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp')
| -rw-r--r-- | libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp b/libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp new file mode 100644 index 00000000000..13cd9341b99 --- /dev/null +++ b/libcxx/test/std/utilities/meta/meta.logical/disjunction.pass.cpp @@ -0,0 +1,66 @@ +//===----------------------------------------------------------------------===// +// +// 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, c++14 +// type_traits + +// template<class... B> struct disjunction; // C++17 +// template<class... B> +// constexpr bool disjunction_v = disjunction<B...>::value; // C++17 + +#include <type_traits> +#include <cassert> + +struct True { static constexpr bool value = true; }; +struct False { static constexpr bool value = false; }; + +int main() +{ + static_assert (!std::disjunction<>::value, "" ); + static_assert ( std::disjunction<std::true_type >::value, "" ); + static_assert (!std::disjunction<std::false_type>::value, "" ); + + static_assert (!std::disjunction_v<>, "" ); + static_assert ( std::disjunction_v<std::true_type >, "" ); + static_assert (!std::disjunction_v<std::false_type>, "" ); + + static_assert ( std::disjunction<std::true_type, std::true_type >::value, "" ); + static_assert ( std::disjunction<std::true_type, std::false_type>::value, "" ); + static_assert ( std::disjunction<std::false_type, std::true_type >::value, "" ); + static_assert (!std::disjunction<std::false_type, std::false_type>::value, "" ); + + static_assert ( std::disjunction_v<std::true_type, std::true_type >, "" ); + static_assert ( std::disjunction_v<std::true_type, std::false_type>, "" ); + static_assert ( std::disjunction_v<std::false_type, std::true_type >, "" ); + static_assert (!std::disjunction_v<std::false_type, std::false_type>, "" ); + + static_assert ( std::disjunction<std::true_type, std::true_type, std::true_type >::value, "" ); + static_assert ( std::disjunction<std::true_type, std::false_type, std::true_type >::value, "" ); + static_assert ( std::disjunction<std::false_type, std::true_type, std::true_type >::value, "" ); + static_assert ( std::disjunction<std::false_type, std::false_type, std::true_type >::value, "" ); + static_assert ( std::disjunction<std::true_type, std::true_type, std::false_type>::value, "" ); + static_assert ( std::disjunction<std::true_type, std::false_type, std::false_type>::value, "" ); + static_assert ( std::disjunction<std::false_type, std::true_type, std::false_type>::value, "" ); + static_assert (!std::disjunction<std::false_type, std::false_type, std::false_type>::value, "" ); + + static_assert ( std::disjunction_v<std::true_type, std::true_type, std::true_type >, "" ); + static_assert ( std::disjunction_v<std::true_type, std::false_type, std::true_type >, "" ); + static_assert ( std::disjunction_v<std::false_type, std::true_type, std::true_type >, "" ); + static_assert ( std::disjunction_v<std::false_type, std::false_type, std::true_type >, "" ); + static_assert ( std::disjunction_v<std::true_type, std::true_type, std::false_type>, "" ); + static_assert ( std::disjunction_v<std::true_type, std::false_type, std::false_type>, "" ); + static_assert ( std::disjunction_v<std::false_type, std::true_type, std::false_type>, "" ); + static_assert (!std::disjunction_v<std::false_type, std::false_type, std::false_type>, "" ); + + static_assert ( std::disjunction<True >::value, "" ); + static_assert (!std::disjunction<False>::value, "" ); + + static_assert ( std::disjunction_v<True >, "" ); + static_assert (!std::disjunction_v<False>, "" ); +} |
