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 // UNSUPPORTED: c++03, c++11, c++14, c++17
10
11 #include <cassert>
12 #include <unordered_set>
13
14 // <unordered_set>
15
16 // bool contains(const key_type& x) const;
17
18 template <typename T, typename V, typename B, typename... Vals>
test(B bad,Vals...args)19 void test(B bad, Vals... args) {
20 T set;
21 V vals[] = {args...};
22
23 for (auto& v : vals) set.insert(v);
24 for (auto& v : vals) assert(set.contains(v));
25
26 assert(!set.contains(bad));
27 }
28
29 struct E { int a = 1; double b = 1; char c = 1; };
30
main(int,char **)31 int main(int, char**)
32 {
33 {
34 test<std::unordered_set<int>, int>(14, 10, 11, 12, 13);
35 test<std::unordered_set<char>, char>('e', 'a', 'b', 'c', 'd');
36 }
37 {
38 test<std::unordered_multiset<int>, int>(14, 10, 11, 12, 13);
39 test<std::unordered_multiset<char>, char>('e', 'a', 'b', 'c', 'd');
40 }
41
42 return 0;
43 }
44