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 map
12
13// void clear() noexcept;
14
15#include <map>
16#include <cassert>
17
18#include "test_macros.h"
19#include "min_allocator.h"
20
21int main(int, char**)
22{
23 {
24 typedef std::map<int, double> M;
25 typedef std::pair<int, double> P;
26 P ar[] =
27 {
28 P(1, 1.5),
29 P(2, 2.5),
30 P(3, 3.5),
31 P(4, 4.5),
32 P(5, 5.5),
33 P(6, 6.5),
34 P(7, 7.5),
35 P(8, 8.5),
36 };
37 M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
38 assert(m.size() == 8);
39 ASSERT_NOEXCEPT(m.clear());
40 m.clear();
41 assert(m.size() == 0);
42 }
43#if TEST_STD_VER >= 11
44 {
45 typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
46 typedef std::pair<int, double> P;
47 P ar[] =
48 {
49 P(1, 1.5),
50 P(2, 2.5),
51 P(3, 3.5),
52 P(4, 4.5),
53 P(5, 5.5),
54 P(6, 6.5),
55 P(7, 7.5),
56 P(8, 8.5),
57 };
58 M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
59 assert(m.size() == 8);
60 ASSERT_NOEXCEPT(m.clear());
61 m.clear();
62 assert(m.size() == 0);
63 }
64#endif
65
66 return 0;
67}
68

source code of libcxx/test/std/containers/associative/map/map.modifiers/clear.pass.cpp