17e52a4bac
In this CL, I move the entry's deleter out of LRUCache's mutex block, which can let others access this cache without waiting free cache entry.
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "olap/page_cache.h"
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#include <gtest/gtest.h>
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namespace doris {
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class StoragePageCacheTest : public testing::Test {
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public:
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StoragePageCacheTest() { }
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virtual ~StoragePageCacheTest() {
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}
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};
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TEST(StoragePageCacheTest, normal) {
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StoragePageCache cache(kNumShards * 1024);
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StoragePageCache::CacheKey key("abc", 0);
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char* buf = new char[1024];
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{
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PageCacheHandle handle;
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Slice data(buf, 1024);
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cache.insert(key, data, &handle);
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ASSERT_EQ(handle.data().data, buf);
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}
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// cache hit
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{
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PageCacheHandle handle;
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auto found = cache.lookup(key, &handle);
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ASSERT_TRUE(found);
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ASSERT_EQ(buf, handle.data().data);
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}
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// cache miss
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{
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PageCacheHandle handle;
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StoragePageCache::CacheKey miss_key("abc", 1);
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auto found = cache.lookup(miss_key, &handle);
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ASSERT_FALSE(found);
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}
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// put too many page to eliminate first page
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for (int i = 0; i < 10 * kNumShards; ++i) {
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StoragePageCache::CacheKey key("bcd", i);
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PageCacheHandle handle;
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Slice data(new char[1024], 1024);
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cache.insert(key, data, &handle);
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}
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// cache miss for eliminated key
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{
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PageCacheHandle handle;
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auto found = cache.lookup(key, &handle);
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ASSERT_FALSE(found);
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}
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}
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} // namespace doris
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int main(int argc, char **argv) {
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testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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