summaryrefslogtreecommitdiff
path: root/test/std/containers/unord/unord.map/unord.map.cnstr/allocator.pass.cpp
blob: 6caa59728ceff5a55a396569e75dadb13d4a0315 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <unordered_map>

// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
//           class Alloc = allocator<pair<const Key, T>>>
// class unordered_map

// explicit unordered_map(const allocator_type& __a);

#include <unordered_map>
#include <cassert>

#include "test_macros.h"
#include "../../../NotConstructible.h"
#include "../../../test_compare.h"
#include "../../../test_hash.h"
#include "test_allocator.h"
#include "min_allocator.h"

int main()
{
    {
        typedef std::unordered_map<NotConstructible, NotConstructible,
                                   test_hash<std::hash<NotConstructible> >,
                                   test_compare<std::equal_to<NotConstructible> >,
                                   test_allocator<std::pair<const NotConstructible,
                                                                  NotConstructible> >
                                   > C;
        C c(test_allocator<std::pair<const NotConstructible, NotConstructible> >(10));
        LIBCPP_ASSERT(c.bucket_count() == 0);
        assert(c.hash_function() == test_hash<std::hash<NotConstructible> >());
        assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >());
        assert(c.get_allocator() ==
               (test_allocator<std::pair<const NotConstructible, NotConstructible> >(10)));
        assert(c.size() == 0);
        assert(c.empty());
        assert(std::distance(c.begin(), c.end()) == 0);
        assert(c.load_factor() == 0);
        assert(c.max_load_factor() == 1);
    }
#if TEST_STD_VER >= 11
    {
        typedef std::unordered_map<NotConstructible, NotConstructible,
                                   test_hash<std::hash<NotConstructible> >,
                                   test_compare<std::equal_to<NotConstructible> >,
                                   min_allocator<std::pair<const NotConstructible,
                                                                 NotConstructible> >
                                   > C;
        C c(min_allocator<std::pair<const NotConstructible, NotConstructible> >{});
        LIBCPP_ASSERT(c.bucket_count() == 0);
        assert(c.hash_function() == test_hash<std::hash<NotConstructible> >());
        assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >());
        assert(c.get_allocator() ==
               (min_allocator<std::pair<const NotConstructible, NotConstructible> >()));
        assert(c.size() == 0);
        assert(c.empty());
        assert(std::distance(c.begin(), c.end()) == 0);
        assert(c.load_factor() == 0);
        assert(c.max_load_factor() == 1);
    }
    {
        typedef explicit_allocator<std::pair<const NotConstructible, NotConstructible>> A;
        typedef std::unordered_map<NotConstructible, NotConstructible,
                                   test_hash<std::hash<NotConstructible> >,
                                   test_compare<std::equal_to<NotConstructible> >,
                                   A
                                   > C;
        C c(A{});
        LIBCPP_ASSERT(c.bucket_count() == 0);
        assert(c.hash_function() == test_hash<std::hash<NotConstructible> >());
        assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >());
        assert(c.get_allocator() == A{});
        assert(c.size() == 0);
        assert(c.empty());
        assert(std::distance(c.begin(), c.end()) == 0);
        assert(c.load_factor() == 0);
        assert(c.max_load_factor() == 1);
    }
#if TEST_STD_VER > 11
    {
        typedef NotConstructible T;
        typedef test_allocator<std::pair<const T, T>> A;
        typedef test_hash<std::hash<T>> HF;
        typedef test_compare<std::equal_to<T>> Comp;
        typedef std::unordered_map<T, T, HF, Comp, A> C;

        A a(10);
        C c(2, a);
        LIBCPP_ASSERT(c.bucket_count() == 2);
        assert(c.hash_function() == HF());
        assert(c.key_eq() == Comp());
        assert(c.get_allocator() == a);
        assert(c.size() == 0);
        assert(c.empty());
        assert(std::distance(c.begin(), c.end()) == 0);
        assert(c.load_factor() == 0);
        assert(c.max_load_factor() == 1);
    }
    {
        typedef NotConstructible T;
        typedef test_allocator<std::pair<const T, T>> A;
        typedef test_hash<std::hash<T>> HF;
        typedef test_compare<std::equal_to<T>> Comp;
        typedef std::unordered_map<T, T, HF, Comp, A> C;

        A a(10);
        HF hf(12);
        C c(2, hf, a);
        LIBCPP_ASSERT(c.bucket_count() == 2);
        assert(c.hash_function() == hf);
        assert(!(c.hash_function() == HF()));
        assert(c.key_eq() == Comp());
        assert(c.get_allocator() == a);
        assert(c.size() == 0);
        assert(c.empty());
        assert(std::distance(c.begin(), c.end()) == 0);
        assert(c.load_factor() == 0);
        assert(c.max_load_factor() == 1);
    }
#endif
#endif
}