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// <unordered_set>
10
11// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
12// class Alloc = allocator<Value>>
13// class unordered_multiset
14
15// void clear() noexcept;
16
17#include <unordered_set>
18#include <cassert>
19
20#include "test_macros.h"
21#include "min_allocator.h"
22
23int main(int, char**)
24{
25 {
26 typedef std::unordered_multiset<int> C;
27 typedef int P;
28 P a[] =
29 {
30 P(1),
31 P(2),
32 P(3),
33 P(4),
34 P(1),
35 P(2)
36 };
37 C c(a, a + sizeof(a)/sizeof(a[0]));
38 ASSERT_NOEXCEPT(c.clear());
39 c.clear();
40 assert(c.size() == 0);
41 }
42#if TEST_STD_VER >= 11
43 {
44 typedef std::unordered_multiset<int, std::hash<int>,
45 std::equal_to<int>, min_allocator<int>> C;
46 typedef int P;
47 P a[] =
48 {
49 P(1),
50 P(2),
51 P(3),
52 P(4),
53 P(1),
54 P(2)
55 };
56 C c(a, a + sizeof(a)/sizeof(a[0]));
57 ASSERT_NOEXCEPT(c.clear());
58 c.clear();
59 assert(c.size() == 0);
60 }
61#endif
62
63 return 0;
64}
65

source code of libcxx/test/std/containers/unord/unord.multiset/clear.pass.cpp