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>& set(size_t pos, bool val = true); // 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_set_one() {
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> v = cases[c];
24 if (v.size() > 0) {
25 std::size_t middle = v.size() / 2;
26 v.set(middle);
27 assert(v[middle] == true);
28 v.set(middle, false);
29 assert(v[middle] == false);
30 }
31 }
32}
33
34TEST_CONSTEXPR_CXX23 bool test() {
35 test_set_one<0>();
36 test_set_one<1>();
37 test_set_one<31>();
38 test_set_one<32>();
39 test_set_one<33>();
40 test_set_one<63>();
41 test_set_one<64>();
42 test_set_one<65>();
43
44 return true;
45}
46
47int main(int, char**) {
48 test();
49 test_set_one<1000>(); // not in constexpr because of constexpr evaluation step limits
50#if TEST_STD_VER > 20
51 static_assert(test());
52#endif
53
54 return 0;
55}
56

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