xref: /llvm-project/libcxx/test/std/containers/unord/unord.multiset/iterators.compile.fail.cpp (revision 7a6aaf9b23d6ac2fb8c11c00c73e55c0bc7aa2f0)
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 // iterator       begin()        {return __table_.begin();}
16 // iterator       end()          {return __table_.end();}
17 // const_iterator begin()  const {return __table_.begin();}
18 // const_iterator end()    const {return __table_.end();}
19 // const_iterator cbegin() const {return __table_.begin();}
20 // const_iterator cend()   const {return __table_.end();}
21 
22 #include <unordered_set>
23 #include <cassert>
24 
25 #include "test_macros.h"
26 
main(int,char **)27 int main(int, char**)
28 {
29     {
30         typedef std::unordered_multiset<int> C;
31         typedef int P;
32         P a[] =
33         {
34             P(1),
35             P(2),
36             P(3),
37             P(4),
38             P(1),
39             P(2)
40         };
41         C c(a, a + sizeof(a)/sizeof(a[0]));
42         LIBCPP_ASSERT(c.bucket_count() == 7);
43         assert(c.size() == 6);
44         assert(std::distance(c.begin(), c.end()) == c.size());
45         assert(std::distance(c.cbegin(), c.cend()) == c.size());
46         C::iterator i = c.begin();
47         assert(*i == 1);
48         *i = 2;
49     }
50     {
51         typedef std::unordered_multiset<int> C;
52         typedef int P;
53         P a[] =
54         {
55             P(1),
56             P(2),
57             P(3),
58             P(4),
59             P(1),
60             P(2)
61         };
62         const C c(a, a + sizeof(a)/sizeof(a[0]));
63         LIBCPP_ASSERT(c.bucket_count() == 7);
64         assert(c.size() == 6);
65         assert(std::distance(c.begin(), c.end()) == c.size());
66         assert(std::distance(c.cbegin(), c.cend()) == c.size());
67     }
68 
69   return 0;
70 }
71