1 /*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "common_test.h"
18 #include "dedupe_set.h"
19
20 namespace art {
21
22 class DedupeSetTest : public testing::Test {
23 public:
24 };
25
26 class DedupeHashFunc {
27 public:
operator ()(const std::vector<uint8_t> & array) const28 size_t operator()(const std::vector<uint8_t>& array) const {
29 size_t hash = 0;
30 for (uint8_t c : array) {
31 hash += c;
32 hash += hash << 10;
33 hash += hash >> 6;
34 }
35 return hash;
36 }
37 };
TEST_F(DedupeSetTest,Test)38 TEST_F(DedupeSetTest, Test) {
39 Thread* self = Thread::Current();
40 typedef std::vector<uint8_t> ByteArray;
41 DedupeSet<ByteArray, size_t, DedupeHashFunc> deduplicator;
42 ByteArray* array1;
43 {
44 ByteArray test1;
45 test1.push_back(10);
46 test1.push_back(20);
47 test1.push_back(30);
48 test1.push_back(45);
49 array1 = deduplicator.Add(self, test1);
50 ASSERT_EQ(test1, *array1);
51 }
52
53 ByteArray* array2;
54 {
55 ByteArray test1;
56 test1.push_back(10);
57 test1.push_back(20);
58 test1.push_back(30);
59 test1.push_back(45);
60 array2 = deduplicator.Add(self, test1);
61 ASSERT_EQ(array2, array1);
62 ASSERT_EQ(test1, *array2);
63 }
64
65 ByteArray* array3;
66 {
67 ByteArray test1;
68 test1.push_back(10);
69 test1.push_back(22);
70 test1.push_back(30);
71 test1.push_back(47);
72 array3 = deduplicator.Add(self, test1);
73 ASSERT_NE(array3, &test1);
74 ASSERT_EQ(test1, *array3);
75 }
76 }
77
78 } // namespace art
79