third_party/llvm-project/libcxx/test/std/utilities/template.bitset/bitset.members/reset_one.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// test bitset<N>& reset(size_t pos);

#include <bitset>
#include <cassert>

#include "test_macros.h"

template <std::size_t N>
void test_reset_one(bool test_throws)
{
    std::bitset<N> v;
#ifdef TEST_HAS_NO_EXCEPTIONS
    if (test_throws) return;
#else
    try
    {
#endif
        v.set();
        v.reset(50);
        if (50 >= v.size())
            assert(false);
        for (unsigned i = 0; i < v.size(); ++i)
            if (i == 50)
                assert(!v[i]);
            else
                assert(v[i]);
        assert(!test_throws);
#ifndef TEST_HAS_NO_EXCEPTIONS
    }
    catch (std::out_of_range&)
    {
        assert(test_throws);
    }
#endif
}

int main()
{
    test_reset_one<0>(true);
    test_reset_one<1>(true);
    test_reset_one<31>(true);
    test_reset_one<32>(true);
    test_reset_one<33>(true);
    test_reset_one<63>(false);
    test_reset_one<64>(false);
    test_reset_one<65>(false);
    test_reset_one<1000>(false);
}