geode-core/src/integrationTest/java/org/apache/geode/internal/offheap/TxReleasesOffHeapOnCloseJUnitTest.java

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 * 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
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package org.apache.geode.internal.offheap;

import static org.apache.geode.distributed.ConfigurationProperties.LOCATORS;
import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT;
import static org.junit.Assert.assertEquals;

import java.util.Properties;

import org.junit.Test;
import org.junit.experimental.categories.Category;

import org.apache.geode.cache.Cache;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.cache.CacheTransactionManager;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.RegionFactory;
import org.apache.geode.distributed.ConfigurationProperties;
import org.apache.geode.test.junit.categories.OffHeapTest;

@Category({OffHeapTest.class})
public class TxReleasesOffHeapOnCloseJUnitTest {

  protected Cache cache;

  protected void createCache() {
    Properties props = new Properties();
    props.setProperty(MCAST_PORT, "0");
    props.setProperty(LOCATORS, "");
    props.setProperty(ConfigurationProperties.OFF_HEAP_MEMORY_SIZE, "1m");
    cache = new CacheFactory(props).create();
  }

  // Start a tx and have it modify an entry on an offheap region.
  // Close the cache and verify that the offheap memory was released
  // even though the tx was not commited or rolled back.
  @Test
  public void testTxReleasesOffHeapOnClose() {
    createCache();
    MemoryAllocatorImpl sma = MemoryAllocatorImpl.getAllocator();
    RegionFactory rf = cache.createRegionFactory();
    rf.setOffHeap(true);
    Region r = rf.create("testTxReleasesOffHeapOnClose");
    r.put("key", "value");
    CacheTransactionManager txmgr = cache.getCacheTransactionManager();
    txmgr.begin();
    r.put("key", "value2");
    cache.close();
    assertEquals(0, sma.getUsedMemory());
  }
}