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 multiset |
12 | |
13 | // iterator insert(const_iterator position, const value_type& v); |
14 | |
15 | #include <set> |
16 | #include <cassert> |
17 | |
18 | #include "test_macros.h" |
19 | #include "min_allocator.h" |
20 | |
21 | int main(int, char**) { |
22 | { |
23 | typedef std::multiset<int> M; |
24 | typedef M::iterator R; |
25 | M m; |
26 | R r = m.insert(position: m.cend(), x: M::value_type(2)); |
27 | assert(r == m.begin()); |
28 | assert(m.size() == 1); |
29 | assert(*r == 2); |
30 | |
31 | r = m.insert(position: m.cend(), x: M::value_type(1)); |
32 | assert(r == m.begin()); |
33 | assert(m.size() == 2); |
34 | assert(*r == 1); |
35 | |
36 | r = m.insert(position: m.cend(), x: M::value_type(3)); |
37 | assert(r == std::prev(m.end())); |
38 | assert(m.size() == 3); |
39 | assert(*r == 3); |
40 | |
41 | r = m.insert(position: m.cend(), x: M::value_type(3)); |
42 | assert(r == std::prev(m.end())); |
43 | assert(m.size() == 4); |
44 | assert(*r == 3); |
45 | } |
46 | #if TEST_STD_VER >= 11 |
47 | { |
48 | typedef std::multiset<int, std::less<int>, min_allocator<int>> M; |
49 | typedef M::iterator R; |
50 | M m; |
51 | R r = m.insert(m.cend(), M::value_type(2)); |
52 | assert(r == m.begin()); |
53 | assert(m.size() == 1); |
54 | assert(*r == 2); |
55 | |
56 | r = m.insert(m.cend(), M::value_type(1)); |
57 | assert(r == m.begin()); |
58 | assert(m.size() == 2); |
59 | assert(*r == 1); |
60 | |
61 | r = m.insert(m.cend(), M::value_type(3)); |
62 | assert(r == std::prev(m.end())); |
63 | assert(m.size() == 3); |
64 | assert(*r == 3); |
65 | |
66 | r = m.insert(m.cend(), M::value_type(3)); |
67 | assert(r == std::prev(m.end())); |
68 | assert(m.size() == 4); |
69 | assert(*r == 3); |
70 | } |
71 | #endif |
72 | |
73 | return 0; |
74 | } |
75 | |