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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // bitset<N> operator~() const; // constexpr since C++23 10 11 #include <bitset> 12 #include <cassert> 13 #include <cstddef> 14 #include <vector> 15 16 #include "../bitset_test_cases.h" 17 #include "test_macros.h" 18 19 template <std::size_t N> test_not_all()20TEST_CONSTEXPR_CXX23 void test_not_all() { 21 std::vector<std::bitset<N> > const cases = get_test_cases<N>(); 22 for (std::size_t c = 0; c != cases.size(); ++c) { 23 std::bitset<N> v1 = cases[c]; 24 std::bitset<N> v2 = ~v1; 25 for (std::size_t i = 0; i < v1.size(); ++i) 26 assert(v2[i] == ~v1[i]); 27 } 28 } 29 test()30TEST_CONSTEXPR_CXX23 bool test() { 31 test_not_all<0>(); 32 test_not_all<1>(); 33 test_not_all<31>(); 34 test_not_all<32>(); 35 test_not_all<33>(); 36 test_not_all<63>(); 37 test_not_all<64>(); 38 test_not_all<65>(); 39 40 return true; 41 } 42 main(int,char **)43int main(int, char**) { 44 test(); 45 test_not_all<1000>(); // not in constexpr because of constexpr evaluation step limits 46 #if TEST_STD_VER > 20 47 static_assert(test()); 48 #endif 49 50 return 0; 51 } 52