54 lines
1.1 KiB
C++
54 lines
1.1 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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// bool any() const; // 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 "test_macros.h"
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template <std::size_t N>
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TEST_CONSTEXPR_CXX23 void test_any() {
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std::bitset<N> v;
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v.reset();
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assert(v.any() == false);
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v.set();
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assert(v.any() == (N != 0));
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if (v.size() > 1) {
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v[N/2] = false;
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assert(v.any() == true);
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v.reset();
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v[N/2] = true;
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assert(v.any() == true);
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}
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}
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TEST_CONSTEXPR_CXX23 bool test() {
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test_any<0>();
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test_any<1>();
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test_any<31>();
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test_any<32>();
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test_any<33>();
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test_any<63>();
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test_any<64>();
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test_any<65>();
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test_any<1000>();
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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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#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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