1 
2 // Copyright 2006-2009 Daniel James.
3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5 
6 #include "../helpers/prefix.hpp"
7 #include <boost/unordered_set.hpp>
8 #include <boost/unordered_map.hpp>
9 #include "../helpers/postfix.hpp"
10 
11 #include "../helpers/test.hpp"
12 #include "../objects/test.hpp"
13 #include "../helpers/random_values.hpp"
14 #include "../helpers/tracker.hpp"
15 #include "../helpers/helpers.hpp"
16 
17 namespace find_tests
18 {
19 
20 test::seed_t initialize_seed(78937);
21 
22 template <class X>
find_tests1(X *,test::random_generator generator)23 void find_tests1(X*, test::random_generator generator)
24 {
25     typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
26 
27     {
28         test::check_instances check_;
29 
30         test::random_values<X> v(500, generator);
31         X x(v.begin(), v.end());
32         X const& x_const = x;
33         test::ordered<X> tracker = test::create_ordered(x);
34         tracker.insert_range(v.begin(), v.end());
35 
36         for(BOOST_DEDUCED_TYPENAME test::ordered<X>::const_iterator it1 =
37                 tracker.begin(); it1 != tracker.end(); ++it1)
38         {
39             BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it1);
40             iterator pos = x.find(key);
41             BOOST_DEDUCED_TYPENAME X::const_iterator
42                 const_pos = x_const.find(key);
43             BOOST_TEST(pos != x.end() &&
44                     x.key_eq()(key, test::get_key<X>(*pos)));
45             BOOST_TEST(const_pos != x_const.end() &&
46                     x_const.key_eq()(key, test::get_key<X>(*const_pos)));
47 
48             BOOST_TEST(x.count(key) == tracker.count(key));
49 
50             test::compare_pairs(x.equal_range(key),
51                     tracker.equal_range(key),
52                     (BOOST_DEDUCED_TYPENAME X::value_type*) 0);
53             test::compare_pairs(x_const.equal_range(key),
54                     tracker.equal_range(key),
55                     (BOOST_DEDUCED_TYPENAME X::value_type*) 0);
56         }
57 
58         test::random_values<X> v2(500, generator);
59         for(BOOST_DEDUCED_TYPENAME test::random_values<X>::const_iterator it2 =
60                 v2.begin(); it2 != v2.end(); ++it2)
61         {
62             BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it2);
63             if(tracker.find(test::get_key<X>(key)) == tracker.end())
64             {
65                 BOOST_TEST(x.find(key) == x.end());
66                 BOOST_TEST(x_const.find(key) == x_const.end());
67                 BOOST_TEST(x.count(key) == 0);
68                 std::pair<iterator, iterator> range = x.equal_range(key);
69                 BOOST_TEST(range.first == range.second);
70             }
71         }
72     }
73 
74     {
75         test::check_instances check_;
76 
77         X x;
78 
79         test::random_values<X> v2(5, generator);
80         for(BOOST_DEDUCED_TYPENAME test::random_values<X>::const_iterator it3 =
81                 v2.begin(); it3 != v2.end(); ++it3)
82         {
83             BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it3);
84             BOOST_TEST(x.find(key) == x.end());
85             BOOST_TEST(x.count(key) == 0);
86             std::pair<iterator, iterator> range = x.equal_range(key);
87             BOOST_TEST(range.first == range.second);
88         }
89     }
90 }
91 
92 struct compatible_key
93 {
94     test::object o_;
95 
compatible_keyfind_tests::compatible_key96     compatible_key(test::object const& o) : o_(o) {}
97 };
98 
99 struct compatible_hash
100 {
101     test::hash hash_;
102 
operator ()find_tests::compatible_hash103     std::size_t operator()(compatible_key const& k) const {
104         return hash_(k.o_);
105     }
106 };
107 
108 struct compatible_predicate
109 {
110     test::equal_to equal_;
111 
operator ()find_tests::compatible_predicate112     bool operator()(compatible_key const& k1, compatible_key const& k2) const {
113         return equal_(k1.o_, k2.o_);
114     }
115 };
116 
117 template <class X>
find_compatible_keys_test(X *,test::random_generator generator)118 void find_compatible_keys_test(X*, test::random_generator generator)
119 {
120     typedef BOOST_DEDUCED_TYPENAME test::random_values<X>::iterator
121         value_iterator;
122     test::random_values<X> v(500, generator);
123     X x(v.begin(), v.end());
124 
125     compatible_hash h;
126     compatible_predicate eq;
127 
128     for(value_iterator it = v.begin(), end = v.end(); it != end; ++it) {
129         BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it);
130         BOOST_TEST(x.find(key) == x.find(compatible_key(key), h, eq));
131     }
132 
133     test::random_values<X> v2(20, generator);
134 
135     for(value_iterator it = v2.begin(), end = v2.end(); it != end; ++it) {
136         BOOST_DEDUCED_TYPENAME X::key_type key = test::get_key<X>(*it);
137         BOOST_TEST(x.find(key) == x.find(compatible_key(key), h, eq));
138     }
139 }
140 
141 boost::unordered_set<test::object,
142     test::hash, test::equal_to,
143     test::allocator2<test::object> >* test_set;
144 boost::unordered_multiset<test::object,
145     test::hash, test::equal_to,
146     test::allocator1<test::object> >* test_multiset;
147 boost::unordered_map<test::object, test::object,
148     test::hash, test::equal_to,
149     test::allocator2<test::object> >* test_map;
150 boost::unordered_multimap<test::object, test::object,
151     test::hash, test::equal_to,
152     test::allocator1<test::object> >* test_multimap;
153 
154 using test::default_generator;
155 using test::generate_collisions;
156 
157 UNORDERED_TEST(find_tests1,
158     ((test_set)(test_multiset)(test_map)(test_multimap))
159     ((default_generator)(generate_collisions))
160 )
161 UNORDERED_TEST(find_compatible_keys_test,
162     ((test_set)(test_multiset)(test_map)(test_multimap))
163     ((default_generator)(generate_collisions))
164 )
165 
166 }
167 
168 RUN_TESTS()
169