/**
* Copyright 2011 The Apache Software Foundation
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.hadoop.hbase.io.hfile.slab;
import org.apache.hadoop.hbase.io.hfile.CacheTestUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Tests SingleSlabCache.
* <p>
*
* Tests will ensure that evictions operate when they're supposed to and do what
* they should, and that cached blocks are accessible when expected to be.
*/
public class TestSingleSizeCache {
SingleSizeCache cache;
final int CACHE_SIZE = 1000000;
final int NUM_BLOCKS = 100;
final int BLOCK_SIZE = CACHE_SIZE / NUM_BLOCKS;
final int NUM_THREADS = 100;
final int NUM_QUERIES = 10000;
@Before
public void setup() {
cache = new SingleSizeCache(BLOCK_SIZE, NUM_BLOCKS, null);
}
@After
public void tearDown() {
cache.shutdown();
}
@Test
public void testCacheSimple() throws Exception {
CacheTestUtils.testCacheSimple(cache, BLOCK_SIZE, NUM_QUERIES);
}
@Test
public void testCacheMultiThreaded() throws Exception {
CacheTestUtils.testCacheMultiThreaded(cache, BLOCK_SIZE,
NUM_THREADS, NUM_QUERIES, 0.80);
}
@Test
public void testCacheMultiThreadedSingleKey() throws Exception {
CacheTestUtils.hammerSingleKey(cache, BLOCK_SIZE, NUM_THREADS, NUM_QUERIES);
}
@Test
public void testCacheMultiThreadedEviction() throws Exception {
CacheTestUtils.hammerEviction(cache, BLOCK_SIZE, NUM_THREADS, NUM_QUERIES);
}
@Test
public void testHeapSizeChanges(){
CacheTestUtils.testHeapSizeChanges(cache, BLOCK_SIZE);
}
}