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>& reset(size_t pos); // 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
19TEST_MSVC_DIAGNOSTIC_IGNORED(6294) // Ill-defined for-loop: initial condition does not satisfy test. Loop body not executed.
20
21template <std::size_t N>
22TEST_CONSTEXPR_CXX23 void test_reset_one() {
23 std::vector<std::bitset<N> > const cases = get_test_cases<N>();
24 for (std::size_t c = 0; c != cases.size(); ++c) {
25 for (std::size_t i = 0; i != N; ++i) {
26 std::bitset<N> v = cases[c];
27 v.reset(i);
28 assert(v[i] == false);
29 }
30 }
31}
32
33TEST_CONSTEXPR_CXX23 bool test() {
34 test_reset_one<0>();
35 test_reset_one<1>();
36 test_reset_one<31>();
37 test_reset_one<32>();
38 test_reset_one<33>();
39 test_reset_one<63>();
40 test_reset_one<64>();
41 test_reset_one<65>();
42
43 return true;
44}
45
46int main(int, char**) {
47 test();
48 test_reset_one<1000>(); // not in constexpr because of constexpr evaluation step limits
49#if TEST_STD_VER > 20
50 static_assert(test());
51#endif
52
53 return 0;
54}
55

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