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 // forward_list(forward_list&& x, const allocator_type& a);
13 
14 #include <forward_list>
15 #include <cassert>
16 #include <iterator>
17 
18 #include "test_allocator.h"
19 #include "MoveOnly.h"
20 #include "min_allocator.h"
21 
main()22 int main()
23 {
24 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
25     {
26         typedef MoveOnly T;
27         typedef test_allocator<int> A;
28         typedef std::forward_list<T, A> C;
29         T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
30         typedef std::move_iterator<T*> I;
31         C c0(I(std::begin(t)), I(std::end(t)), A(10));
32         C c(std::move(c0), A(10));
33         unsigned n = 0;
34         for (C::const_iterator i = c.begin(), e = c.end(); i != e; ++i, ++n)
35             assert(*i == n);
36         assert(n == std::end(t) - std::begin(t));
37         assert(c0.empty());
38         assert(c.get_allocator() == A(10));
39     }
40     {
41         typedef MoveOnly T;
42         typedef test_allocator<int> A;
43         typedef std::forward_list<T, A> C;
44         T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
45         typedef std::move_iterator<T*> I;
46         C c0(I(std::begin(t)), I(std::end(t)), A(10));
47         C c(std::move(c0), A(9));
48         unsigned n = 0;
49         for (C::const_iterator i = c.begin(), e = c.end(); i != e; ++i, ++n)
50             assert(*i == n);
51         assert(n == std::end(t) - std::begin(t));
52         assert(!c0.empty());
53         assert(c.get_allocator() == A(9));
54     }
55 #if __cplusplus >= 201103L
56     {
57         typedef MoveOnly T;
58         typedef min_allocator<int> A;
59         typedef std::forward_list<T, A> C;
60         T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
61         typedef std::move_iterator<T*> I;
62         C c0(I(std::begin(t)), I(std::end(t)), A());
63         C c(std::move(c0), A());
64         unsigned n = 0;
65         for (C::const_iterator i = c.begin(), e = c.end(); i != e; ++i, ++n)
66             assert(*i == n);
67         assert(n == std::end(t) - std::begin(t));
68         assert(c0.empty());
69         assert(c.get_allocator() == A());
70     }
71 #endif
72 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
73 }
74