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