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 // iterator insert_after(const_iterator p, value_type&& v);
13 
14 #include <forward_list>
15 #include <cassert>
16 
17 #include "../../../MoveOnly.h"
18 #include "min_allocator.h"
19 
main()20 int main()
21 {
22 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
23     {
24         typedef MoveOnly T;
25         typedef std::forward_list<T> C;
26         typedef C::iterator I;
27         C c;
28         I i = c.insert_after(c.cbefore_begin(), 0);
29         assert(i == c.begin());
30         assert(c.front() == 0);
31         assert(c.front() == 0);
32         assert(distance(c.begin(), c.end()) == 1);
33 
34         i = c.insert_after(c.cbegin(), 1);
35         assert(i == next(c.begin()));
36         assert(c.front() == 0);
37         assert(*next(c.begin()) == 1);
38         assert(distance(c.begin(), c.end()) == 2);
39 
40         i = c.insert_after(next(c.cbegin()), 2);
41         assert(i == next(c.begin(), 2));
42         assert(c.front() == 0);
43         assert(*next(c.begin()) == 1);
44         assert(*next(c.begin(), 2) == 2);
45         assert(distance(c.begin(), c.end()) == 3);
46 
47         i = c.insert_after(c.cbegin(), 3);
48         assert(i == next(c.begin()));
49         assert(c.front() == 0);
50         assert(*next(c.begin(), 1) == 3);
51         assert(*next(c.begin(), 2) == 1);
52         assert(*next(c.begin(), 3) == 2);
53         assert(distance(c.begin(), c.end()) == 4);
54     }
55 #if __cplusplus >= 201103L
56     {
57         typedef MoveOnly T;
58         typedef std::forward_list<T, min_allocator<T>> C;
59         typedef C::iterator I;
60         C c;
61         I i = c.insert_after(c.cbefore_begin(), 0);
62         assert(i == c.begin());
63         assert(c.front() == 0);
64         assert(c.front() == 0);
65         assert(distance(c.begin(), c.end()) == 1);
66 
67         i = c.insert_after(c.cbegin(), 1);
68         assert(i == next(c.begin()));
69         assert(c.front() == 0);
70         assert(*next(c.begin()) == 1);
71         assert(distance(c.begin(), c.end()) == 2);
72 
73         i = c.insert_after(next(c.cbegin()), 2);
74         assert(i == next(c.begin(), 2));
75         assert(c.front() == 0);
76         assert(*next(c.begin()) == 1);
77         assert(*next(c.begin(), 2) == 2);
78         assert(distance(c.begin(), c.end()) == 3);
79 
80         i = c.insert_after(c.cbegin(), 3);
81         assert(i == next(c.begin()));
82         assert(c.front() == 0);
83         assert(*next(c.begin(), 1) == 3);
84         assert(*next(c.begin(), 2) == 1);
85         assert(*next(c.begin(), 3) == 2);
86         assert(distance(c.begin(), c.end()) == 4);
87     }
88 #endif
89 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
90 }
91