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
20typedef int T;
21const T t1[] = {0, 1, 2, 3, 4, 5, 6, 7};
22const T t2[] = {10, 11, 12, 13, 14, 15};
23const int size_t1 = std::end(t1) - std::begin(t1);
24const int size_t2 = std::end(t2) - std::begin(t2);
25
26template <class C>
27void
28testd(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
41int 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