llvm/libcxx/test/std/containers/associative/set/clear.pass.cpp

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <set>

// class set

// void clear() noexcept;

#include <set>
#include <cassert>

#include "test_macros.h"
#include "min_allocator.h"

int main(int, char**)
{
    {
        typedef std::set<int> M;
        typedef int V;
        V ar[] =
        {
            1,
            2,
            3,
            4,
            5,
            6,
            7,
            8
        };
        M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
        assert(m.size() == 8);
        ASSERT_NOEXCEPT(m.clear());
        m.clear();
        assert(m.size() == 0);
    }
#if TEST_STD_VER >= 11
    {
        typedef std::set<int, std::less<int>, min_allocator<int>> M;
        typedef int V;
        V ar[] =
        {
            1,
            2,
            3,
            4,
            5,
            6,
            7,
            8
        };
        M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
        assert(m.size() == 8);
        ASSERT_NOEXCEPT(m.clear());
        m.clear();
        assert(m.size() == 0);
    }
#endif

  return 0;
}