diff options
Diffstat (limited to 'libcxx/test/std/utilities/function.objects/arithmetic.operations/divides.pass.cpp')
-rw-r--r-- | libcxx/test/std/utilities/function.objects/arithmetic.operations/divides.pass.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/function.objects/arithmetic.operations/divides.pass.cpp b/libcxx/test/std/utilities/function.objects/arithmetic.operations/divides.pass.cpp new file mode 100644 index 00000000000..74298f23b7c --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/arithmetic.operations/divides.pass.cpp @@ -0,0 +1,37 @@ +//===----------------------------------------------------------------------===// +// +// 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> + +// divides + +#include <functional> +#include <type_traits> +#include <cassert> + +int main() +{ + typedef std::divides<int> F; + const F f = F(); + static_assert((std::is_base_of<std::binary_function<int, int, int>, F>::value), ""); + assert(f(36, 4) == 9); +#if _LIBCPP_STD_VER > 11 + typedef std::divides<> F2; + const F2 f2 = F2(); + assert(f2(36, 4) == 9); + assert(f2(36.0, 4) == 9); + assert(f2(18, 4.0) == 4.5); // exact in binary + + constexpr int foo = std::divides<int> () (3, 2); + static_assert ( foo == 1, "" ); + + constexpr int bar = std::divides<> () (3.0, 2); + static_assert ( bar == 1, "" ); +#endif +} |