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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * Licensed 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. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.internal.cache;

import com.gemstone.gemfire.internal.cache.persistence.DiskStoreID;
import com.gemstone.gemfire.internal.cache.versions.VersionTag;

import junit.framework.TestCase;

public class OrderedTombstoneMapJUnitTest extends TestCase {
  
  public void test() {
    OrderedTombstoneMap map = new OrderedTombstoneMap();
    
    DiskStoreID id1 = DiskStoreID.random();
    DiskStoreID id2 = DiskStoreID.random();
    map.put(createVersionTag(id1, 1, 7), "one");
    map.put(createVersionTag(id1, 3, 2), "two");
    map.put(createVersionTag(id2, 3, 5), "three");
    map.put(createVersionTag(id1, 2, 3), "four");
    map.put(createVersionTag(id1, 0, 2), "five");
    map.put(createVersionTag(id2, 4, 4), "six");
    
    //Now make sure we get the entries in the order we expect (ordered by version tag with a member
    //and by timestampe otherwise.
    assertEquals("five", map.take().getValue());
    assertEquals("three", map.take().getValue());
    assertEquals("six", map.take().getValue());
    assertEquals("one", map.take().getValue());
    assertEquals("four", map.take().getValue());
    assertEquals("two", map.take().getValue());
  }

  private VersionTag createVersionTag(DiskStoreID id, long regionVersion, long timeStamp) {
    VersionTag tag = VersionTag.create(id);
    tag.setRegionVersion(regionVersion);
    tag.setVersionTimeStamp(timeStamp);
    return tag;
  }

}