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 bitset<N>& rhs); // 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 bool test_op_xor_eq() {
21 std::vector<std::bitset<N> > const cases = get_test_cases<N>();
22 for (std::size_t c1 = 0; c1 != cases.size(); ++c1) {
23 for (std::size_t c2 = 0; c2 != cases.size(); ++c2) {
24 std::bitset<N> v1 = cases[c1];
25 std::bitset<N> v2 = cases[c2];
26 std::bitset<N> v3 = v1;
27 v1 ^= v2;
28 for (std::size_t i = 0; i < v1.size(); ++i)
29 assert(v1[i] == (v3[i] != v2[i]));
30 }
31 }
32 return true;
33}
34
35int main(int, char**) {
36 test_op_xor_eq<0>();
37 test_op_xor_eq<1>();
38 test_op_xor_eq<31>();
39 test_op_xor_eq<32>();
40 test_op_xor_eq<33>();
41 test_op_xor_eq<63>();
42 test_op_xor_eq<64>();
43 test_op_xor_eq<65>();
44 test_op_xor_eq<1000>(); // not in constexpr because of constexpr evaluation step limits
45#if TEST_STD_VER > 20
46 static_assert(test_op_xor_eq<0>());
47 static_assert(test_op_xor_eq<1>());
48 static_assert(test_op_xor_eq<31>());
49 static_assert(test_op_xor_eq<32>());
50 static_assert(test_op_xor_eq<33>());
51 static_assert(test_op_xor_eq<63>());
52 static_assert(test_op_xor_eq<64>());
53 static_assert(test_op_xor_eq<65>());
54#endif
55
56 return 0;
57}
58

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