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
19template <std::size_t N>
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
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
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

source code of libcxx/test/std/utilities/template.bitset/bitset.members/not_all.pass.cpp