1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.hadoop.hbase;
20  
21  import junit.framework.TestCase;
22  
23  import org.apache.hadoop.hbase.util.Bytes;
24  
25  /**
26   * Test comparing HBase objects.
27   */
28  public class TestCompare extends TestCase {
29  
30    /**
31     * Sort of HRegionInfo.
32     */
33    public void testHRegionInfo() {
34      HRegionInfo a = new HRegionInfo(new HTableDescriptor("a"), null, null);
35      HRegionInfo b = new HRegionInfo(new HTableDescriptor("b"), null, null);
36      assertTrue(a.compareTo(b) != 0);
37      HTableDescriptor t = new HTableDescriptor("t");
38      byte [] midway = Bytes.toBytes("midway");
39      a = new HRegionInfo(t, null, midway);
40      b = new HRegionInfo(t, midway, null);
41      assertTrue(a.compareTo(b) < 0);
42      assertTrue(b.compareTo(a) > 0);
43      assertEquals(a, a);
44      assertTrue(a.compareTo(a) == 0);
45      a = new HRegionInfo(t, Bytes.toBytes("a"), Bytes.toBytes("d"));
46      b = new HRegionInfo(t, Bytes.toBytes("e"), Bytes.toBytes("g"));
47      assertTrue(a.compareTo(b) < 0);
48      a = new HRegionInfo(t, Bytes.toBytes("aaaa"), Bytes.toBytes("dddd"));
49      b = new HRegionInfo(t, Bytes.toBytes("e"), Bytes.toBytes("g"));
50      assertTrue(a.compareTo(b) < 0);
51      a = new HRegionInfo(t, Bytes.toBytes("aaaa"), Bytes.toBytes("dddd"));
52      b = new HRegionInfo(t, Bytes.toBytes("aaaa"), Bytes.toBytes("eeee"));
53      assertTrue(a.compareTo(b) < 0);
54    }
55  }