xref: /llvm-project/libcxx/test/std/containers/sequences/forwardlist/forwardlist.cons/move.pass.cpp (revision 16bf43398a62604e6a4146deeb1c43dfa1e78e04)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // UNSUPPORTED: c++03
10 
11 // <forward_list>
12 
13 // forward_list(forward_list&& x);
14 
15 #include <forward_list>
16 #include <cassert>
17 #include <iterator>
18 
19 #include "test_macros.h"
20 #include "test_allocator.h"
21 #include "MoveOnly.h"
22 #include "min_allocator.h"
23 
main(int,char **)24 int main(int, char**)
25 {
26     {
27         typedef MoveOnly T;
28         typedef test_allocator<T> A;
29         typedef std::forward_list<T, A> C;
30         T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
31         typedef std::move_iterator<T*> I;
32         C c0(I(std::begin(t)), I(std::end(t)), A(10));
33         C c = std::move(c0);
34         int n = 0;
35         for (C::const_iterator i = c.begin(), e = c.end(); i != e; ++i, (void) ++n)
36             assert(*i == n);
37         assert(n == std::end(t) - std::begin(t));
38         assert(c0.empty());
39         assert(c.get_allocator() == A(10));
40     }
41     {
42         typedef MoveOnly T;
43         typedef other_allocator<T> A;
44         typedef std::forward_list<T, A> C;
45         T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
46         typedef std::move_iterator<T*> I;
47         C c0(I(std::begin(t)), I(std::end(t)), A(10));
48         C c = std::move(c0);
49         int n = 0;
50         for (C::const_iterator i = c.begin(), e = c.end(); i != e; ++i, (void) ++n)
51             assert(*i == n);
52         assert(n == std::end(t) - std::begin(t));
53         assert(c0.empty());
54         assert(c.get_allocator() == A(10));
55     }
56     {
57         typedef MoveOnly T;
58         typedef min_allocator<T> 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);
64         int n = 0;
65         for (C::const_iterator i = c.begin(), e = c.end(); i != e; ++i, (void) ++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 
72   return 0;
73 }
74