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

source code of libcxx/test/std/containers/associative/set/set.cons/copy_assign.pass.cpp