xref: /llvm-project/libcxx/test/std/containers/sequences/list/list.cons/move_alloc.pass.cpp (revision 31cbe0f240f660f15602c96b787c58a26f17e179)
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 // <list>
12 
13 // list(list&& c, const allocator_type& a);
14 
15 #include <list>
16 #include <cassert>
17 #include "test_macros.h"
18 #include "MoveOnly.h"
19 #include "test_allocator.h"
20 #include "min_allocator.h"
21 
main(int,char **)22 int main(int, char**)
23 {
24     {
25         std::list<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
26         std::list<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
27         for (int i = 1; i <= 3; ++i)
28         {
29             l.push_back(i);
30             lo.push_back(i);
31         }
32         std::list<MoveOnly, test_allocator<MoveOnly> > l2(std::move(l), test_allocator<MoveOnly>(6));
33         assert(l2 == lo);
34         assert(!l.empty());
35         assert(l2.get_allocator() == test_allocator<MoveOnly>(6));
36     }
37     {
38         std::list<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
39         std::list<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
40         for (int i = 1; i <= 3; ++i)
41         {
42             l.push_back(i);
43             lo.push_back(i);
44         }
45         std::list<MoveOnly, test_allocator<MoveOnly> > l2(std::move(l), test_allocator<MoveOnly>(5));
46         assert(l2 == lo);
47         assert(l.empty());
48         assert(l2.get_allocator() == test_allocator<MoveOnly>(5));
49     }
50     {
51         std::list<MoveOnly, other_allocator<MoveOnly> > l(other_allocator<MoveOnly>(5));
52         std::list<MoveOnly, other_allocator<MoveOnly> > lo(other_allocator<MoveOnly>(5));
53         for (int i = 1; i <= 3; ++i)
54         {
55             l.push_back(i);
56             lo.push_back(i);
57         }
58         std::list<MoveOnly, other_allocator<MoveOnly> > l2(std::move(l), other_allocator<MoveOnly>(4));
59         assert(l2 == lo);
60         assert(!l.empty());
61         assert(l2.get_allocator() == other_allocator<MoveOnly>(4));
62     }
63     {
64         std::list<MoveOnly, min_allocator<MoveOnly> > l(min_allocator<MoveOnly>{});
65         std::list<MoveOnly, min_allocator<MoveOnly> > lo(min_allocator<MoveOnly>{});
66         for (int i = 1; i <= 3; ++i)
67         {
68             l.push_back(i);
69             lo.push_back(i);
70         }
71         std::list<MoveOnly, min_allocator<MoveOnly> > l2(std::move(l), min_allocator<MoveOnly>());
72         assert(l2 == lo);
73         assert(l.empty());
74         assert(l2.get_allocator() == min_allocator<MoveOnly>());
75     }
76 
77   return 0;
78 }
79