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 // void push_front(const value_type& v);
13 
14 #include <forward_list>
15 #include <cassert>
16 
17 #include "../../../min_allocator.h"
18 
19 int main()
20 {
21     {
22         typedef int T;
23         typedef std::forward_list<T> C;
24         C c;
25         c.push_front(1);
26         assert(c.front() == 1);
27         assert(distance(c.begin(), c.end()) == 1);
28         c.push_front(3);
29         assert(c.front() == 3);
30         assert(*next(c.begin()) == 1);
31         assert(distance(c.begin(), c.end()) == 2);
32     }
33 #if __cplusplus >= 201103L
34     {
35         typedef int T;
36         typedef std::forward_list<T, min_allocator<T>> C;
37         C c;
38         c.push_front(1);
39         assert(c.front() == 1);
40         assert(distance(c.begin(), c.end()) == 1);
41         c.push_front(3);
42         assert(c.front() == 3);
43         assert(*next(c.begin()) == 1);
44         assert(distance(c.begin(), c.end()) == 2);
45     }
46 #endif
47 }
48