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 splice_after(const_iterator p, forward_list&& x);
13 
14 #include <forward_list>
15 #include <cassert>
16 #include <iterator>
17 
18 #include "min_allocator.h"
19 
20 typedef int T;
21 const T t1[] = {0, 1, 2, 3, 4, 5, 6, 7};
22 const T t2[] = {10, 11, 12, 13, 14, 15};
23 const int size_t1 = std::end(t1) - std::begin(t1);
24 const int size_t2 = std::end(t2) - std::begin(t2);
25 
26 template <class C>
27 void
testd(const C & c,int p,int l)28 testd(const C& c, int p, int l)
29 {
30     typename C::const_iterator i = c.begin();
31     int n1 = 0;
32     for (; n1 < p; ++n1, ++i)
33         assert(*i == t1[n1]);
34     for (int n2 = 0; n2 < l; ++n2, ++i)
35         assert(*i == t2[n2]);
36     for (; n1 < size_t1; ++n1, ++i)
37         assert(*i == t1[n1]);
38     assert(distance(c.begin(), c.end()) == size_t1 + l);
39 }
40 
main()41 int main()
42 {
43     {
44     // splicing different containers
45     typedef std::forward_list<T> C;
46     for (int l = 0; l <= size_t2; ++l)
47     {
48         for (int p = 0; p <= size_t1; ++p)
49         {
50             C c1(std::begin(t1), std::end(t1));
51             C c2(t2, t2+l);
52 
53             c1.splice_after(next(c1.cbefore_begin(), p), std::move(c2));
54             testd(c1, p, l);
55         }
56     }
57     }
58 #if __cplusplus >= 201103L
59     {
60     // splicing different containers
61     typedef std::forward_list<T, min_allocator<T>> C;
62     for (int l = 0; l <= size_t2; ++l)
63     {
64         for (int p = 0; p <= size_t1; ++p)
65         {
66             C c1(std::begin(t1), std::end(t1));
67             C c2(t2, t2+l);
68 
69             c1.splice_after(next(c1.cbefore_begin(), p), std::move(c2));
70             testd(c1, p, l);
71         }
72     }
73     }
74 #endif
75 }
76