1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <forward_list>
11
12// reference       front();
13// const_reference front() const;
14
15#include <forward_list>
16#include <cassert>
17#include <iterator>
18
19#include "min_allocator.h"
20
21int main()
22{
23    {
24        typedef int T;
25        typedef std::forward_list<T> C;
26        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
27        C c(std::begin(t), std::end(t));
28        assert(c.front() == 0);
29        c.front() = 10;
30        assert(c.front() == 10);
31        assert(*c.begin() == 10);
32    }
33    {
34        typedef int T;
35        typedef std::forward_list<T> C;
36        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
37        const C c(std::begin(t), std::end(t));
38        assert(c.front() == 0);
39        assert(*c.begin() == 0);
40    }
41#if TEST_STD_VER >= 11
42    {
43        typedef int T;
44        typedef std::forward_list<T, min_allocator<T>> C;
45        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
46        C c(std::begin(t), std::end(t));
47        assert(c.front() == 0);
48        c.front() = 10;
49        assert(c.front() == 10);
50        assert(*c.begin() == 10);
51    }
52    {
53        typedef int T;
54        typedef std::forward_list<T, min_allocator<T>> C;
55        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
56        const C c(std::begin(t), std::end(t));
57        assert(c.front() == 0);
58        assert(*c.begin() == 0);
59    }
60#endif
61}
62