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_set
14
15// const_iterator find(const key_type& k) const;
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_set<int> C;
27 typedef int P;
28 P a[] =
29 {
30 P(10),
31 P(20),
32 P(30),
33 P(40),
34 P(50),
35 P(60),
36 P(70),
37 P(80)
38 };
39 const C c(std::begin(arr&: a), std::end(arr&: a));
40 C::const_iterator i = c.find(x: 30);
41 assert(*i == 30);
42 i = c.find(x: 5);
43 assert(i == c.cend());
44 }
45#if TEST_STD_VER >= 11
46 {
47 typedef std::unordered_set<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> C;
48 typedef int P;
49 P a[] =
50 {
51 P(10),
52 P(20),
53 P(30),
54 P(40),
55 P(50),
56 P(60),
57 P(70),
58 P(80)
59 };
60 const C c(std::begin(a), std::end(a));
61 C::const_iterator i = c.find(30);
62 assert(*i == 30);
63 i = c.find(5);
64 assert(i == c.cend());
65 }
66#endif
67
68 return 0;
69}
70

source code of libcxx/test/std/containers/unord/unord.set/find_const.pass.cpp