58 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// test:10 11// bool operator==(const bitset<N>& rhs) const; // constexpr since C++2312// bool operator!=(const bitset<N>& rhs) const; // constexpr since C++2313 14#include <bitset>15#include <cassert>16#include <cstddef>17#include <vector>18 19#include "../bitset_test_cases.h"20#include "test_macros.h"21 22template <std::size_t N>23TEST_CONSTEXPR_CXX23 void test_equality() {24 std::vector<std::bitset<N> > const cases = get_test_cases<N>();25 for (std::size_t c = 0; c != cases.size(); ++c) {26 std::bitset<N> const v1 = cases[c];27 std::bitset<N> v2 = v1;28 assert(v1 == v2);29 if (v1.size() > 0) {30 v2[N/2].flip();31 assert(v1 != v2);32 }33 }34}35 36TEST_CONSTEXPR_CXX23 bool test() {37 test_equality<0>();38 test_equality<1>();39 test_equality<31>();40 test_equality<32>();41 test_equality<33>();42 test_equality<63>();43 test_equality<64>();44 test_equality<65>();45 46 return true;47}48 49int main(int, char**) {50 test();51 test_equality<1000>(); // not in constexpr because of constexpr evaluation step limits52#if TEST_STD_VER > 2053 static_assert(test());54#endif55 56 return 0;57}58