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 "dedupe_set.h" 18 19 #include <algorithm> 20 #include <cstdio> 21 22 #include "gtest/gtest.h" 23 #include "thread-inl.h" 24 25 namespace art { 26 27 class DedupeHashFunc { 28 public: 29 size_t operator()(const std::vector<uint8_t>& array) const { 30 size_t hash = 0; 31 for (uint8_t c : array) { 32 hash += c; 33 hash += hash << 10; 34 hash += hash >> 6; 35 } 36 return hash; 37 } 38 }; 39 TEST(DedupeSetTest, Test) { 40 Thread* self = Thread::Current(); 41 typedef std::vector<uint8_t> ByteArray; 42 SwapAllocator<void> swap(nullptr); 43 DedupeSet<ByteArray, SwapVector<uint8_t>, size_t, DedupeHashFunc> deduplicator("test", swap); 44 SwapVector<uint8_t>* array1; 45 { 46 ByteArray test1; 47 test1.push_back(10); 48 test1.push_back(20); 49 test1.push_back(30); 50 test1.push_back(45); 51 52 array1 = deduplicator.Add(self, test1); 53 ASSERT_NE(array1, nullptr); 54 ASSERT_TRUE(std::equal(test1.begin(), test1.end(), array1->begin())); 55 } 56 57 SwapVector<uint8_t>* array2; 58 { 59 ByteArray test1; 60 test1.push_back(10); 61 test1.push_back(20); 62 test1.push_back(30); 63 test1.push_back(45); 64 array2 = deduplicator.Add(self, test1); 65 ASSERT_EQ(array2, array1); 66 ASSERT_TRUE(std::equal(test1.begin(), test1.end(), array2->begin())); 67 } 68 69 SwapVector<uint8_t>* array3; 70 { 71 ByteArray test1; 72 test1.push_back(10); 73 test1.push_back(22); 74 test1.push_back(30); 75 test1.push_back(47); 76 array3 = deduplicator.Add(self, test1); 77 ASSERT_NE(array3, nullptr); 78 ASSERT_TRUE(std::equal(test1.begin(), test1.end(), array3->begin())); 79 } 80 } 81 82 } // namespace art 83
