FreeListOffHeapRegionJUnitTest.java example

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/*
 * 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.geode.internal.offheap;

import org.apache.geode.distributed.internal.DistributionConfig;
import org.apache.geode.test.junit.categories.IntegrationTest;
import org.junit.experimental.categories.Category;

@Category(IntegrationTest.class)
public class FreeListOffHeapRegionJUnitTest extends OffHeapRegionBase {

  @Override
  protected String getOffHeapMemorySize() {
    return "20m";
  }

  @Override
  public void configureOffHeapStorage() {
    System.setProperty(DistributionConfig.GEMFIRE_PREFIX + "OFF_HEAP_SLAB_SIZE", "1m");
  }

  @Override
  public void unconfigureOffHeapStorage() {
    System.clearProperty(DistributionConfig.GEMFIRE_PREFIX + "OFF_HEAP_SLAB_SIZE");
  }

  @Override
  public int perObjectOverhead() {
    return OffHeapStoredObject.HEADER_SIZE;
  }

}