File: all.pass.cpp

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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 all() const;

#include <bitset>
#include <cassert>
#include <cstddef>

#include "test_macros.h"

template <std::size_t N>
void test_all() {
    std::bitset<N> v;
    v.reset();
    assert(v.all() == (N == 0));
    v.set();
    assert(v.all() == true);
    if (v.size() > 1) {
        v[N/2] = false;
        assert(v.all() == false);
    }
}

int main(int, char**) {
    test_all<0>();
    test_all<1>();
    test_all<31>();
    test_all<32>();
    test_all<33>();
    test_all<63>();
    test_all<64>();
    test_all<65>();
    test_all<1000>();

    return 0;
}