1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <unordered_set>
11
12// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
13//           class Alloc = allocator<Value>>
14// class unordered_multiset
15
16// size_type bucket_size(size_type n) const
17
18#ifdef _LIBCPP_DEBUG
19#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
20#endif
21
22#include <unordered_set>
23#include <cassert>
24
25#include "min_allocator.h"
26
27int main()
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        const C c(std::begin(a), std::end(a));
42        assert(c.bucket_count() >= 7);
43        assert(c.bucket_size(0) == 0);
44        assert(c.bucket_size(1) == 2);
45        assert(c.bucket_size(2) == 2);
46        assert(c.bucket_size(3) == 1);
47        assert(c.bucket_size(4) == 1);
48        assert(c.bucket_size(5) == 0);
49        assert(c.bucket_size(6) == 0);
50    }
51#if __cplusplus >= 201103L
52    {
53        typedef std::unordered_multiset<int, std::hash<int>,
54                                      std::equal_to<int>, min_allocator<int>> C;
55        typedef int P;
56        P a[] =
57        {
58            P(1),
59            P(2),
60            P(3),
61            P(4),
62            P(1),
63            P(2)
64        };
65        const C c(std::begin(a), std::end(a));
66        assert(c.bucket_count() >= 7);
67        assert(c.bucket_size(0) == 0);
68        assert(c.bucket_size(1) == 2);
69        assert(c.bucket_size(2) == 2);
70        assert(c.bucket_size(3) == 1);
71        assert(c.bucket_size(4) == 1);
72        assert(c.bucket_size(5) == 0);
73        assert(c.bucket_size(6) == 0);
74    }
75#endif
76#if _LIBCPP_DEBUG_LEVEL >= 1
77    {
78        typedef std::unordered_multiset<int> C;
79        C c;
80        C::size_type i = c.bucket_size(3);
81        assert(false);
82    }
83#endif
84}
85