52 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// bool all() const; // constexpr since C++2310 11#include <bitset>12#include <cassert>13#include <cstddef>14 15#include "test_macros.h"16 17template <std::size_t N>18TEST_CONSTEXPR_CXX23 void test_all() {19 std::bitset<N> v;20 v.reset();21 assert(v.all() == (N == 0));22 v.set();23 assert(v.all() == true);24 if (v.size() > 1) {25 v[N/2] = false;26 assert(v.all() == false);27 }28}29 30TEST_CONSTEXPR_CXX23 bool test() {31 test_all<0>();32 test_all<1>();33 test_all<31>();34 test_all<32>();35 test_all<33>();36 test_all<63>();37 test_all<64>();38 test_all<65>();39 test_all<1000>();40 41 return true;42}43 44int main(int, char**) {45 test();46#if TEST_STD_VER > 2047 static_assert(test());48#endif49 50 return 0;51}52