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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// test:
// bool operator==(const bitset<N>& rhs) const; // constexpr since C++23
// bool operator!=(const bitset<N>& rhs) const; // constexpr since C++23
#include <bitset>
#include <cassert>
#include <cstddef>
#include <vector>
#include "../bitset_test_cases.h"
#include "test_macros.h"
template <std::size_t N>
TEST_CONSTEXPR_CXX23 void test_equality() {
std::vector<std::bitset<N> > const cases = get_test_cases<N>();
for (std::size_t c = 0; c != cases.size(); ++c) {
std::bitset<N> const v1 = cases[c];
std::bitset<N> v2 = v1;
assert(v1 == v2);
if (v1.size() > 0) {
v2[N/2].flip();
assert(v1 != v2);
}
}
}
TEST_CONSTEXPR_CXX23 bool test() {
test_equality<0>();
test_equality<1>();
test_equality<31>();
test_equality<32>();
test_equality<33>();
test_equality<63>();
test_equality<64>();
test_equality<65>();
return true;
}
int main(int, char**) {
test();
test_equality<1000>(); // not in constexpr because of constexpr evaluation step limits
#if TEST_STD_VER > 20
static_assert(test());
#endif
return 0;
}
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