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