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

// <forward_list>

// template <class InputIterator>
//     void assign(InputIterator first, InputIterator last);

#include <forward_list>
#include <cassert>
#include <iterator>

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

int main(int, char**)
{
    {
        typedef int T;
        typedef std::forward_list<T> C;
        const T t0[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        const T t1[] = {10, 11, 12, 13};
        C c(std::begin(t1), std::end(t1));
        typedef input_iterator<const T*> I;
        c.assign(I(std::begin(t0)), I(std::end(t0)));
        int n = 0;
        for (C::const_iterator i = c.cbegin(); i != c.cend(); ++i, ++n)
            assert(*i == n);
        assert(n == 10);
    }
    {
        typedef int T;
        typedef std::forward_list<T> C;
        const T t0[] = {10, 11, 12, 13};
        const T t1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        C c(std::begin(t1), std::end(t1));
        typedef input_iterator<const T*> I;
        c.assign(I(std::begin(t0)), I(std::end(t0)));
        int n = 0;
        for (C::const_iterator i = c.cbegin(); i != c.cend(); ++i, ++n)
            assert(*i == 10+n);
        assert(n == 4);
    }
#if TEST_STD_VER >= 11
    {
        typedef int T;
        typedef std::forward_list<T, min_allocator<T>> C;
        const T t0[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        const T t1[] = {10, 11, 12, 13};
        C c(std::begin(t1), std::end(t1));
        typedef input_iterator<const T*> I;
        c.assign(I(std::begin(t0)), I(std::end(t0)));
        int n = 0;
        for (C::const_iterator i = c.cbegin(); i != c.cend(); ++i, ++n)
            assert(*i == n);
        assert(n == 10);
    }
    {
        typedef int T;
        typedef std::forward_list<T, min_allocator<T>> C;
        const T t0[] = {10, 11, 12, 13};
        const T t1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        C c(std::begin(t1), std::end(t1));
        typedef input_iterator<const T*> I;
        c.assign(I(std::begin(t0)), I(std::end(t0)));
        int n = 0;
        for (C::const_iterator i = c.cbegin(); i != c.cend(); ++i, (void) ++n)
            assert(*i == 10+n);
        assert(n == 4);
    }
#endif

  return 0;
}