xref: /aosp_15_r20/external/deqp/framework/delibs/decpp/deSTLUtil.cpp (revision 35238bce31c2a825756842865a792f8cf7f89930)
1 /*-------------------------------------------------------------------------
2  * drawElements C++ Base Library
3  * -----------------------------
4  *
5  * Copyright 2014 The Android Open Source Project
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  *//*!
20  * \file
21  * \brief Utilities for STL containers.
22  *//*--------------------------------------------------------------------*/
23 
24 #include "deSTLUtil.hpp"
25 
26 #include <map>
27 #include <set>
28 
29 using std::map;
30 using std::set;
31 
32 namespace de
33 {
34 
STLUtil_selfTest(void)35 void STLUtil_selfTest(void)
36 {
37     {
38         map<int, int> m;
39         insert(m, 4, 5);
40         DE_TEST_ASSERT(contains(m, 4));
41         DE_TEST_ASSERT(lookup(m, 4) == 5);
42         DE_TEST_ASSERT(*tryLookup(m, 4) == 5);
43         DE_TEST_ASSERT(!contains(m, 3));
44         DE_TEST_ASSERT(tryLookup(m, 3) == DE_NULL);
45         DE_TEST_ASSERT(lookupDefault(m, 3, 7) == 7);
46     }
47 
48     {
49         set<int> s1;
50         s1.insert(2);
51         s1.insert(3);
52         DE_TEST_ASSERT(contains(s1, 2));
53         DE_TEST_ASSERT(contains(s1, 3));
54         DE_TEST_ASSERT(!contains(s1, 5));
55 
56         set<int> s2;
57         s2.insert(3);
58         s2.insert(5);
59         DE_TEST_ASSERT(!contains(s2, 2));
60         DE_TEST_ASSERT(contains(s2, 3));
61         DE_TEST_ASSERT(contains(s2, 5));
62 
63         set<int> si = intersection(s1, s2);
64         DE_TEST_ASSERT(!contains(si, 2));
65         DE_TEST_ASSERT(contains(si, 3));
66         DE_TEST_ASSERT(!contains(si, 5));
67 
68         set<int> su = set_union(s1, s2);
69         DE_TEST_ASSERT(contains(su, 2));
70         DE_TEST_ASSERT(contains(su, 3));
71         DE_TEST_ASSERT(contains(su, 5));
72     }
73 }
74 
75 } // namespace de
76