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

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// <functional>

// binary_negate

#define _LIBCPP_DISABLE_DEPRECATION_WARNINGS

#include <functional>
#include <type_traits>
#include <cassert>

int main(int, char**)
{
    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));

  return 0;
}