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 // template <class InputIterator>
16 //     void insert(InputIterator first, InputIterator last);
17 
18 #include <unordered_set>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "test_iterators.h"
23 #include "min_allocator.h"
24 
main(int,char **)25 int main(int, char**)
26 {
27     {
28         typedef std::unordered_set<int> C;
29         typedef int P;
30         P a[] =
31         {
32             P(1),
33             P(2),
34             P(3),
35             P(4),
36             P(1),
37             P(2)
38         };
39         C c;
40         c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
41         assert(c.size() == 4);
42         assert(c.count(1) == 1);
43         assert(c.count(2) == 1);
44         assert(c.count(3) == 1);
45         assert(c.count(4) == 1);
46     }
47 #if TEST_STD_VER >= 11
48     {
49         typedef std::unordered_set<int, std::hash<int>,
50                                       std::equal_to<int>, min_allocator<int>> C;
51         typedef int P;
52         P a[] =
53         {
54             P(1),
55             P(2),
56             P(3),
57             P(4),
58             P(1),
59             P(2)
60         };
61         C c;
62         c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
63         assert(c.size() == 4);
64         assert(c.count(1) == 1);
65         assert(c.count(2) == 1);
66         assert(c.count(3) == 1);
67         assert(c.count(4) == 1);
68     }
69 #endif
70 
71   return 0;
72 }
73