diff options
Diffstat (limited to 'test/std/utilities/function.objects/comparisons/less_equal.pass.cpp')
-rw-r--r-- | test/std/utilities/function.objects/comparisons/less_equal.pass.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/test/std/utilities/function.objects/comparisons/less_equal.pass.cpp b/test/std/utilities/function.objects/comparisons/less_equal.pass.cpp new file mode 100644 index 0000000000000..e6ba1f7f8a212 --- /dev/null +++ b/test/std/utilities/function.objects/comparisons/less_equal.pass.cpp @@ -0,0 +1,45 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <functional> + +// less_equal + +#include <functional> +#include <type_traits> +#include <cassert> + +int main() +{ + typedef std::less_equal<int> F; + const F f = F(); + static_assert((std::is_same<int, F::first_argument_type>::value), "" ); + static_assert((std::is_same<int, F::second_argument_type>::value), "" ); + static_assert((std::is_same<bool, F::result_type>::value), "" ); + assert(f(36, 36)); + assert(!f(36, 6)); + assert(f(6, 36)); +#if _LIBCPP_STD_VER > 11 + typedef std::less_equal<> F2; + const F2 f2 = F2(); + assert( f2(36, 36)); + assert(!f2(36, 6)); + assert( f2(6, 36)); + assert(!f2(36, 6.0)); + assert(!f2(36.0, 6)); + assert( f2(6, 36.0)); + assert( f2(6.0, 36)); + + constexpr bool foo = std::less_equal<int> () (36, 36); + static_assert ( foo, "" ); + + constexpr bool bar = std::less_equal<> () (36.0, 36); + static_assert ( bar, "" ); +#endif +} |