001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.util;
019
020import static org.junit.Assert.assertTrue;
021
022import java.util.concurrent.atomic.AtomicBoolean;
023import org.apache.hadoop.hbase.util.PoolMap.PoolType;
024import org.junit.After;
025import org.junit.Before;
026
027public abstract class PoolMapTestBase {
028
029  protected PoolMap<String, String> poolMap;
030
031  protected static final int POOL_SIZE = 3;
032
033  @Before
034  public void setUp() throws Exception {
035    this.poolMap = new PoolMap<>(getPoolType(), POOL_SIZE);
036  }
037
038  @After
039  public void tearDown() throws Exception {
040    this.poolMap.clear();
041  }
042
043  protected abstract PoolType getPoolType();
044
045  protected void runThread(final String randomKey, final String randomValue,
046      final String expectedValue) throws InterruptedException {
047    final AtomicBoolean matchFound = new AtomicBoolean(false);
048    Thread thread = new Thread(new Runnable() {
049      @Override
050      public void run() {
051        poolMap.put(randomKey, randomValue);
052        String actualValue = poolMap.get(randomKey);
053        matchFound
054            .set(expectedValue == null ? actualValue == null : expectedValue.equals(actualValue));
055      }
056    });
057    thread.start();
058    thread.join();
059    assertTrue(matchFound.get());
060  }
061}