xref: /llvm-project-15.0.7/libcxx/test/std/containers/sequences/list/list.cons/default.pass.cpp (revision 7fc6a556)

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

// <list>

// explicit list(const Alloc& = Alloc());

#include <list>
#include <cassert>
#include "test_macros.h"
#include "DefaultOnly.h"
#include "min_allocator.h"

int main(int, char**)
{
    {
        std::list<int> l;
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
    {
        std::list<DefaultOnly> l;
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
    {
        std::list<int> l((std::allocator<int>()));
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
#if TEST_STD_VER >= 11
    {
        std::list<int, min_allocator<int>> l;
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
    {
        std::list<DefaultOnly, min_allocator<DefaultOnly>> l;
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
    {
        std::list<int, min_allocator<int>> l((min_allocator<int>()));
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
    {
        std::list<int> l = {};
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
    {
        std::list<int, explicit_allocator<int>> l;
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
    {
        std::list<int, explicit_allocator<int>> l((explicit_allocator<int>()));
        assert(l.size() == 0);
        assert(std::distance(l.begin(), l.end()) == 0);
    }
#endif

  return 0;
}