xref: /llvm-project/libcxx/test/std/containers/associative/set/set.cons/copy_assign.pass.cpp (revision 09e3a360581dc36d0820d3fb6da9bd7cfed87b5d)
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 // <set>
10 
11 // class set
12 
13 // set& operator=(const set& s);
14 
15 #include <set>
16 #include <cassert>
17 #include <iterator>
18 
19 #include "test_macros.h"
20 #include "../../../test_compare.h"
21 #include "test_allocator.h"
22 
23 int main(int, char**)
24 {
25     {
26         typedef int V;
27         V ar[] =
28         {
29             1,
30             1,
31             1,
32             2,
33             2,
34             2,
35             3,
36             3,
37             3
38         };
39         typedef test_less<int> C;
40         typedef test_allocator<V> A;
41         std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
42         std::set<int, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
43         m = mo;
44         assert(m.get_allocator() == A(7));
45         assert(m.key_comp() == C(5));
46         assert(m.size() == 3);
47         assert(std::distance(m.begin(), m.end()) == 3);
48         assert(*m.begin() == 1);
49         assert(*std::next(m.begin()) == 2);
50         assert(*std::next(m.begin(), 2) == 3);
51 
52         assert(mo.get_allocator() == A(2));
53         assert(mo.key_comp() == C(5));
54         assert(mo.size() == 3);
55         assert(std::distance(mo.begin(), mo.end()) == 3);
56         assert(*mo.begin() == 1);
57         assert(*std::next(mo.begin()) == 2);
58         assert(*std::next(mo.begin(), 2) == 3);
59     }
60     {
61         typedef int V;
62         const V ar[] =
63         {
64             1,
65             2,
66             3
67         };
68         std::set<int> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
69         std::set<int> *p = &m;
70         m = *p;
71 
72         assert(m.size() == 3);
73         assert(std::equal(m.begin(), m.end(), ar));
74     }
75     {
76         typedef int V;
77         V ar[] =
78         {
79             1,
80             1,
81             1,
82             2,
83             2,
84             2,
85             3,
86             3,
87             3
88         };
89         typedef test_less<int> C;
90         typedef other_allocator<V> A;
91         std::set<int, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
92         std::set<int, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
93         m = mo;
94         assert(m.get_allocator() == A(2));
95         assert(m.key_comp() == C(5));
96         assert(m.size() == 3);
97         assert(std::distance(m.begin(), m.end()) == 3);
98         assert(*m.begin() == 1);
99         assert(*std::next(m.begin()) == 2);
100         assert(*std::next(m.begin(), 2) == 3);
101 
102         assert(mo.get_allocator() == A(2));
103         assert(mo.key_comp() == C(5));
104         assert(mo.size() == 3);
105         assert(std::distance(mo.begin(), mo.end()) == 3);
106         assert(*mo.begin() == 1);
107         assert(*std::next(mo.begin()) == 2);
108         assert(*std::next(mo.begin(), 2) == 3);
109     }
110 
111   return 0;
112 }
113