xref: /llvm-project/libcxx/test/std/containers/associative/map/map.cons/move.pass.cpp (revision 432ba353d8fcd68721203e1d0eb1fb983485f568)
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 // <map>
12 
13 // class map
14 
15 // map(map&& m);
16 
17 #include <map>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 #include "../../../test_compare.h"
22 #include "test_allocator.h"
23 #include "min_allocator.h"
24 
25 int main(int, char**)
26 {
27     typedef std::pair<const int, double> V;
28     {
29         typedef test_less<int> C;
30         typedef test_allocator<V> A;
31         std::map<int, double, C, A> mo(C(5), A(7));
32         std::map<int, double, C, A> m = std::move(mo);
33         assert(m.get_allocator() == A(7));
34         assert(m.key_comp() == C(5));
35         assert(m.size() == 0);
36         assert(std::distance(m.begin(), m.end()) == 0);
37 
38         assert(mo.get_allocator() == A(7));
39         assert(mo.get_allocator().get_id() == test_alloc_base::moved_value);
40         assert(mo.key_comp() == C(5));
41         assert(mo.size() == 0);
42         assert(std::distance(mo.begin(), mo.end()) == 0);
43     }
44     {
45         V ar[] =
46         {
47             V(1, 1),
48             V(1, 1.5),
49             V(1, 2),
50             V(2, 1),
51             V(2, 1.5),
52             V(2, 2),
53             V(3, 1),
54             V(3, 1.5),
55             V(3, 2),
56         };
57         typedef test_less<int> C;
58         typedef test_allocator<V> A;
59         std::map<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(7));
60         std::map<int, double, C, A> m = std::move(mo);
61         assert(m.get_allocator() == A(7));
62         assert(m.key_comp() == C(5));
63         assert(m.size() == 3);
64         assert(std::distance(m.begin(), m.end()) == 3);
65         assert(*m.begin() == V(1, 1));
66         assert(*std::next(m.begin()) == V(2, 1));
67         assert(*std::next(m.begin(), 2) == V(3, 1));
68 
69         assert(mo.get_allocator() == A(7));
70         assert(mo.get_allocator().get_id() == test_alloc_base::moved_value);
71         assert(mo.key_comp() == C(5));
72         assert(mo.size() == 0);
73         assert(std::distance(mo.begin(), mo.end()) == 0);
74     }
75     {
76         typedef test_less<int> C;
77         typedef min_allocator<V> A;
78         std::map<int, double, C, A> mo(C(5), A());
79         std::map<int, double, C, A> m = std::move(mo);
80         assert(m.get_allocator() == A());
81         assert(m.key_comp() == C(5));
82         assert(m.size() == 0);
83         assert(std::distance(m.begin(), m.end()) == 0);
84 
85         assert(mo.get_allocator() == A());
86         assert(mo.key_comp() == C(5));
87         assert(mo.size() == 0);
88         assert(std::distance(mo.begin(), mo.end()) == 0);
89     }
90     {
91         V ar[] =
92         {
93             V(1, 1),
94             V(1, 1.5),
95             V(1, 2),
96             V(2, 1),
97             V(2, 1.5),
98             V(2, 2),
99             V(3, 1),
100             V(3, 1.5),
101             V(3, 2),
102         };
103         typedef test_less<int> C;
104         typedef min_allocator<V> A;
105         std::map<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A());
106         std::map<int, double, C, A> m = std::move(mo);
107         assert(m.get_allocator() == A());
108         assert(m.key_comp() == C(5));
109         assert(m.size() == 3);
110         assert(std::distance(m.begin(), m.end()) == 3);
111         assert(*m.begin() == V(1, 1));
112         assert(*std::next(m.begin()) == V(2, 1));
113         assert(*std::next(m.begin(), 2) == V(3, 1));
114 
115         assert(mo.get_allocator() == A());
116         assert(mo.key_comp() == C(5));
117         assert(mo.size() == 0);
118         assert(std::distance(mo.begin(), mo.end()) == 0);
119     }
120 
121   return 0;
122 }
123