1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
13 // class Alloc = allocator<pair<const Key, T>>>
14 // class unordered_map
16 // unordered_map(initializer_list<value_type> il, size_type n,
17 // const hasher& hf, const key_equal& eql, const allocator_type& a);
19 #include <unordered_map>
26 #include "test_macros.h"
27 #include "../../../test_compare.h"
28 #include "../../../test_hash.h"
29 #include "test_allocator.h"
30 #include "min_allocator.h"
34 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
36 typedef std::unordered_map<int, std::string,
37 test_hash<std::hash<int> >,
38 test_compare<std::equal_to<int> >,
39 test_allocator<std::pair<const int, std::string> >
41 typedef std::pair<int, std::string> P;
51 test_hash<std::hash<int> >(8),
52 test_compare<std::equal_to<int> >(9),
53 test_allocator<std::pair<const int, std::string> >(10)
55 LIBCPP_ASSERT(c.bucket_count() == 7);
56 assert(c.size() == 4);
57 assert(c.at(1) == "one");
58 assert(c.at(2) == "two");
59 assert(c.at(3) == "three");
60 assert(c.at(4) == "four");
61 assert(c.hash_function() == test_hash<std::hash<int> >(8));
62 assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
63 assert(c.get_allocator() ==
64 (test_allocator<std::pair<const int, std::string> >(10)));
66 assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size());
67 assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size());
68 assert(std::fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
69 assert(c.max_load_factor() == 1);
71 #if TEST_STD_VER >= 11
73 typedef std::unordered_map<int, std::string,
74 test_hash<std::hash<int> >,
75 test_compare<std::equal_to<int> >,
76 min_allocator<std::pair<const int, std::string> >
78 typedef std::pair<int, std::string> P;
88 test_hash<std::hash<int> >(8),
89 test_compare<std::equal_to<int> >(9),
90 min_allocator<std::pair<const int, std::string> >()
92 LIBCPP_ASSERT(c.bucket_count() == 7);
93 assert(c.size() == 4);
94 assert(c.at(1) == "one");
95 assert(c.at(2) == "two");
96 assert(c.at(3) == "three");
97 assert(c.at(4) == "four");
98 assert(c.hash_function() == test_hash<std::hash<int> >(8));
99 assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
100 assert(c.get_allocator() ==
101 (min_allocator<std::pair<const int, std::string> >()));
103 assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size());
104 assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size());
105 assert(std::fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
106 assert(c.max_load_factor() == 1);
109 typedef explicit_allocator<std::pair<const int, std::string>> A;
110 typedef std::unordered_map<int, std::string,
111 test_hash<std::hash<int> >,
112 test_compare<std::equal_to<int> >,
115 typedef std::pair<int, std::string> P;
125 test_hash<std::hash<int> >(8),
126 test_compare<std::equal_to<int> >(9),
129 LIBCPP_ASSERT(c.bucket_count() == 7);
130 assert(c.size() == 4);
131 assert(c.at(1) == "one");
132 assert(c.at(2) == "two");
133 assert(c.at(3) == "three");
134 assert(c.at(4) == "four");
135 assert(c.hash_function() == test_hash<std::hash<int> >(8));
136 assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
137 assert(c.get_allocator() == A{});
139 assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size());
140 assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size());
141 assert(std::fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
142 assert(c.max_load_factor() == 1);
145 #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS