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// <set>
12
13// class set
14
15// set& operator=(initializer_list<value_type> il);
16
17#include <set>
18#include <cassert>
19
20#include "test_macros.h"
21#include "min_allocator.h"
22#include "test_allocator.h"
23
24void basic_test() {
25 {
26 typedef std::set<int> C;
27 typedef C::value_type V;
28 C m = {10, 8};
29 m = {1, 2, 3, 4, 5, 6};
30 assert(m.size() == 6);
31 assert(std::distance(m.begin(), m.end()) == 6);
32 C::const_iterator i = m.cbegin();
33 assert(*i == V(1));
34 assert(*++i == V(2));
35 assert(*++i == V(3));
36 assert(*++i == V(4));
37 assert(*++i == V(5));
38 assert(*++i == V(6));
39 }
40 {
41 typedef std::set<int, std::less<int>, min_allocator<int> > C;
42 typedef C::value_type V;
43 C m = {10, 8};
44 m = {1, 2, 3, 4, 5, 6};
45 assert(m.size() == 6);
46 assert(std::distance(m.begin(), m.end()) == 6);
47 C::const_iterator i = m.cbegin();
48 assert(*i == V(1));
49 assert(*++i == V(2));
50 assert(*++i == V(3));
51 assert(*++i == V(4));
52 assert(*++i == V(5));
53 assert(*++i == V(6));
54 }
55}
56
57void duplicate_keys_test() {
58 test_allocator_statistics alloc_stats;
59 typedef std::set<int, std::less<int>, test_allocator<int> > Set;
60 {
61 LIBCPP_ASSERT(alloc_stats.alloc_count == 0);
62 Set s({1, 2, 3}, std::less<int>(), test_allocator<int>(&alloc_stats));
63 LIBCPP_ASSERT(alloc_stats.alloc_count == 3);
64 s = {4, 4, 4, 4, 4};
65 LIBCPP_ASSERT(alloc_stats.alloc_count == 1);
66 assert(s.size() == 1);
67 assert(*s.begin() == 4);
68 }
69 LIBCPP_ASSERT(alloc_stats.alloc_count == 0);
70}
71
72int main(int, char**) {
73 basic_test();
74 duplicate_keys_test();
75
76 return 0;
77}
78

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