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 // template <class InputIterator>
13 //     iterator insert_after(const_iterator p,
14 //                           InputIterator first, InputIterator last);
15 
16 #include <forward_list>
17 #include <cassert>
18 
19 #include "test_iterators.h"
20 #include "min_allocator.h"
21 
main()22 int main()
23 {
24     {
25         typedef int T;
26         typedef std::forward_list<T> C;
27         typedef C::iterator I;
28         typedef input_iterator<const T*> J;
29         C c;
30         const T t[] = {0, 1, 2, 3, 4};
31         I i = c.insert_after(c.cbefore_begin(), J(t), J(t));
32         assert(i == c.before_begin());
33         assert(distance(c.begin(), c.end()) == 0);
34 
35         i = c.insert_after(c.cbefore_begin(), J(t), J(t+3));
36         assert(i == next(c.before_begin(), 3));
37         assert(distance(c.begin(), c.end()) == 3);
38         assert(*next(c.begin(), 0) == 0);
39         assert(*next(c.begin(), 1) == 1);
40         assert(*next(c.begin(), 2) == 2);
41 
42         i = c.insert_after(c.begin(), J(t+3), J(t+5));
43         assert(i == next(c.begin(), 2));
44         assert(distance(c.begin(), c.end()) == 5);
45         assert(*next(c.begin(), 0) == 0);
46         assert(*next(c.begin(), 1) == 3);
47         assert(*next(c.begin(), 2) == 4);
48         assert(*next(c.begin(), 3) == 1);
49         assert(*next(c.begin(), 4) == 2);
50     }
51 #if __cplusplus >= 201103L
52     {
53         typedef int T;
54         typedef std::forward_list<T, min_allocator<T>> C;
55         typedef C::iterator I;
56         typedef input_iterator<const T*> J;
57         C c;
58         const T t[] = {0, 1, 2, 3, 4};
59         I i = c.insert_after(c.cbefore_begin(), J(t), J(t));
60         assert(i == c.before_begin());
61         assert(distance(c.begin(), c.end()) == 0);
62 
63         i = c.insert_after(c.cbefore_begin(), J(t), J(t+3));
64         assert(i == next(c.before_begin(), 3));
65         assert(distance(c.begin(), c.end()) == 3);
66         assert(*next(c.begin(), 0) == 0);
67         assert(*next(c.begin(), 1) == 1);
68         assert(*next(c.begin(), 2) == 2);
69 
70         i = c.insert_after(c.begin(), J(t+3), J(t+5));
71         assert(i == next(c.begin(), 2));
72         assert(distance(c.begin(), c.end()) == 5);
73         assert(*next(c.begin(), 0) == 0);
74         assert(*next(c.begin(), 1) == 3);
75         assert(*next(c.begin(), 2) == 4);
76         assert(*next(c.begin(), 3) == 1);
77         assert(*next(c.begin(), 4) == 2);
78     }
79 #endif
80 }
81