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 | // <map> |
10 | |
11 | // class multimap |
12 | |
13 | // size_type size() const; |
14 | |
15 | #include <map> |
16 | #include <cassert> |
17 | |
18 | #include "test_macros.h" |
19 | #include "min_allocator.h" |
20 | |
21 | int main(int, char**) { |
22 | { |
23 | typedef std::multimap<int, double> M; |
24 | M m; |
25 | assert(m.size() == 0); |
26 | m.insert(x: M::value_type(2, 1.5)); |
27 | assert(m.size() == 1); |
28 | m.insert(x: M::value_type(1, 1.5)); |
29 | assert(m.size() == 2); |
30 | m.insert(x: M::value_type(3, 1.5)); |
31 | assert(m.size() == 3); |
32 | m.erase(position: m.begin()); |
33 | assert(m.size() == 2); |
34 | m.erase(position: m.begin()); |
35 | assert(m.size() == 1); |
36 | m.erase(position: m.begin()); |
37 | assert(m.size() == 0); |
38 | } |
39 | #if TEST_STD_VER >= 11 |
40 | { |
41 | typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M; |
42 | M m; |
43 | assert(m.size() == 0); |
44 | m.insert(M::value_type(2, 1.5)); |
45 | assert(m.size() == 1); |
46 | m.insert(M::value_type(1, 1.5)); |
47 | assert(m.size() == 2); |
48 | m.insert(M::value_type(3, 1.5)); |
49 | assert(m.size() == 3); |
50 | m.erase(m.begin()); |
51 | assert(m.size() == 2); |
52 | m.erase(m.begin()); |
53 | assert(m.size() == 1); |
54 | m.erase(m.begin()); |
55 | assert(m.size() == 0); |
56 | } |
57 | #endif |
58 | |
59 | return 0; |
60 | } |
61 | |