48 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS10 11// <functional>12 13// logical_not14 15#include <functional>16#include <type_traits>17#include <cassert>18 19#include "test_macros.h"20 21int main(int, char**)22{23 typedef std::logical_not<int> F;24 const F f = F();25#if TEST_STD_VER <= 1726 static_assert((std::is_same<F::argument_type, int>::value), "" );27 static_assert((std::is_same<F::result_type, bool>::value), "" );28#endif29 assert(!f(36));30 assert(f(0));31#if TEST_STD_VER > 1132 typedef std::logical_not<> F2;33 const F2 f2 = F2();34 assert(!f2(36));35 assert( f2(0));36 assert(!f2(36L));37 assert( f2(0L));38 39 constexpr bool foo = std::logical_not<int> () (36);40 static_assert ( !foo, "" );41 42 constexpr bool bar = std::logical_not<> () (36);43 static_assert ( !bar, "" );44#endif45 46 return 0;47}48