blob: e93fd06fdd5aa3dca1e05ba0c257bef20ab24005 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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>
// logical_not
#include <functional>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
typedef std::logical_not<int> F;
const F f = F();
static_assert((std::is_same<F::argument_type, int>::value), "" );
static_assert((std::is_same<F::result_type, bool>::value), "" );
assert(!f(36));
assert(f(0));
#if TEST_STD_VER > 11
typedef std::logical_not<> F2;
const F2 f2 = F2();
assert(!f2(36));
assert( f2(0));
assert(!f2(36L));
assert( f2(0L));
constexpr bool foo = std::logical_not<int> () (36);
static_assert ( !foo, "" );
constexpr bool bar = std::logical_not<> () (36);
static_assert ( !bar, "" );
#endif
return 0;
}