xref: /llvm-project/libcxx/test/std/containers/associative/multimap/multimap.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 multimap
14 
15 // multimap(multimap&& 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::multimap<int, double, C, A> mo(C(5), A(7));
32         std::multimap<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::multimap<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(7));
60         std::multimap<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() == 9);
64         assert(std::distance(m.begin(), m.end()) == 9);
65         assert(*m.begin() == V(1, 1));
66         assert(*std::next(m.begin()) == V(1, 1.5));
67         assert(*std::next(m.begin(), 2) == V(1, 2));
68         assert(*std::next(m.begin(), 3) == V(2, 1));
69         assert(*std::next(m.begin(), 4) == V(2, 1.5));
70         assert(*std::next(m.begin(), 5) == V(2, 2));
71         assert(*std::next(m.begin(), 6) == V(3, 1));
72         assert(*std::next(m.begin(), 7) == V(3, 1.5));
73         assert(*std::next(m.begin(), 8) == V(3, 2));
74 
75         assert(mo.get_allocator() == A(7));
76         assert(mo.get_allocator().get_id() == test_alloc_base::moved_value);
77         assert(mo.key_comp() == C(5));
78         assert(mo.size() == 0);
79         assert(std::distance(mo.begin(), mo.end()) == 0);
80     }
81     {
82         typedef test_less<int> C;
83         typedef min_allocator<V> A;
84         std::multimap<int, double, C, A> mo(C(5), A());
85         std::multimap<int, double, C, A> m = std::move(mo);
86         assert(m.get_allocator() == A());
87         assert(m.key_comp() == C(5));
88         assert(m.size() == 0);
89         assert(std::distance(m.begin(), m.end()) == 0);
90 
91         assert(mo.get_allocator() == A());
92         assert(mo.key_comp() == C(5));
93         assert(mo.size() == 0);
94         assert(std::distance(mo.begin(), mo.end()) == 0);
95     }
96     {
97         V ar[] =
98         {
99             V(1, 1),
100             V(1, 1.5),
101             V(1, 2),
102             V(2, 1),
103             V(2, 1.5),
104             V(2, 2),
105             V(3, 1),
106             V(3, 1.5),
107             V(3, 2),
108         };
109         typedef test_less<int> C;
110         typedef min_allocator<V> A;
111         std::multimap<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A());
112         std::multimap<int, double, C, A> m = std::move(mo);
113         assert(m.get_allocator() == A());
114         assert(m.key_comp() == C(5));
115         assert(m.size() == 9);
116         assert(std::distance(m.begin(), m.end()) == 9);
117         assert(*m.begin() == V(1, 1));
118         assert(*std::next(m.begin()) == V(1, 1.5));
119         assert(*std::next(m.begin(), 2) == V(1, 2));
120         assert(*std::next(m.begin(), 3) == V(2, 1));
121         assert(*std::next(m.begin(), 4) == V(2, 1.5));
122         assert(*std::next(m.begin(), 5) == V(2, 2));
123         assert(*std::next(m.begin(), 6) == V(3, 1));
124         assert(*std::next(m.begin(), 7) == V(3, 1.5));
125         assert(*std::next(m.begin(), 8) == V(3, 2));
126 
127         assert(mo.get_allocator() == A());
128         assert(mo.key_comp() == C(5));
129         assert(mo.size() == 0);
130         assert(std::distance(mo.begin(), mo.end()) == 0);
131     }
132 
133   return 0;
134 }
135