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 19 template <std::size_t N> test_op_xor_eq()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 main(int,char **)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