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
main()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