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libcxx/test/std/utilities/function.objects/negators/binary_negate.pass.cpp

30 lines
888 B
C++

//===----------------------------------------------------------------------===//
//
// 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>
// binary_negate
#include <functional>
#include <type_traits>
#include <cassert>
int main()
{
typedef std::binary_negate<std::logical_and<int> > F;
const F f = F(std::logical_and<int>());
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, 0));
assert( f(0, 36));
assert( f(0, 0));
}