forked from OSchip/llvm-project
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// bitset<N> operator&(const bitset<N>& lhs, const bitset<N>& rhs); // constexpr since C++23
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#include <bitset>
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#include <cassert>
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#include <cstddef>
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#include <vector>
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#include "../bitset_test_cases.h"
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#include "test_macros.h"
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template <std::size_t N>
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TEST_CONSTEXPR_CXX23 void test_op_and() {
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std::vector<std::bitset<N> > const cases = get_test_cases<N>();
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for (std::size_t c1 = 0; c1 != cases.size(); ++c1) {
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for (std::size_t c2 = 0; c2 != cases.size(); ++c2) {
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std::bitset<N> v1 = cases[c1];
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std::bitset<N> v2 = cases[c2];
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std::bitset<N> v3 = v1;
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assert((v1 & v2) == (v3 &= v2));
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}
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}
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}
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TEST_CONSTEXPR_CXX23 bool test() {
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test_op_and<0>();
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test_op_and<1>();
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test_op_and<31>();
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test_op_and<32>();
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test_op_and<33>();
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test_op_and<63>();
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test_op_and<64>();
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test_op_and<65>();
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return true;
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}
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int main(int, char**) {
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test();
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test_op_and<1000>(); // not in constexpr because of constexpr evaluation step limits
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#if TEST_STD_VER > 20
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static_assert(test());
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#endif
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return 0;
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}
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