/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "dedupe_set.h"
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#include <algorithm>
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#include <cstdio>
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#include <vector>
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#include "base/array_ref.h"
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#include "dedupe_set-inl.h"
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#include "gtest/gtest.h"
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#include "thread-current-inl.h"
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namespace art {
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class DedupeSetTestHashFunc {
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public:
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size_t operator()(const ArrayRef<const uint8_t>& array) const {
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size_t hash = 0;
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for (uint8_t c : array) {
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hash += c;
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hash += hash << 10;
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hash += hash >> 6;
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}
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return hash;
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}
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};
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class DedupeSetTestAlloc {
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public:
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const std::vector<uint8_t>* Copy(const ArrayRef<const uint8_t>& src) {
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return new std::vector<uint8_t>(src.begin(), src.end());
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}
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void Destroy(const std::vector<uint8_t>* key) {
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delete key;
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}
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};
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TEST(DedupeSetTest, Test) {
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Thread* self = Thread::Current();
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DedupeSetTestAlloc alloc;
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DedupeSet<ArrayRef<const uint8_t>,
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std::vector<uint8_t>,
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DedupeSetTestAlloc,
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size_t,
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DedupeSetTestHashFunc> deduplicator("test", alloc);
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const std::vector<uint8_t>* array1;
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{
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uint8_t raw_test1[] = { 10u, 20u, 30u, 45u };
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ArrayRef<const uint8_t> test1(raw_test1);
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array1 = deduplicator.Add(self, test1);
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ASSERT_NE(array1, nullptr);
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ASSERT_TRUE(std::equal(test1.begin(), test1.end(), array1->begin()));
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}
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const std::vector<uint8_t>* array2;
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{
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uint8_t raw_test2[] = { 10u, 20u, 30u, 45u };
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ArrayRef<const uint8_t> test2(raw_test2);
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array2 = deduplicator.Add(self, test2);
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ASSERT_EQ(array2, array1);
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ASSERT_TRUE(std::equal(test2.begin(), test2.end(), array2->begin()));
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}
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const std::vector<uint8_t>* array3;
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{
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uint8_t raw_test3[] = { 10u, 22u, 30u, 47u };
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ArrayRef<const uint8_t> test3(raw_test3);
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array3 = deduplicator.Add(self, test3);
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ASSERT_NE(array3, nullptr);
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ASSERT_NE(array3, array1);
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ASSERT_TRUE(std::equal(test3.begin(), test3.end(), array3->begin()));
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}
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}
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} // namespace art
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