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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  import org.junit.experimental.categories.Category;
25  
26  /**
27   * Test comparing HBase objects.
28   */
29  @Category(SmallTests.class)
30  public class TestCompare extends TestCase {
31  
32    /**
33     * Sort of HRegionInfo.
34     */
35    public void testHRegionInfo() {
36      HRegionInfo a = new HRegionInfo(TableName.valueOf("a"), null, null);
37      HRegionInfo b = new HRegionInfo(TableName.valueOf("b"), null, null);
38      assertTrue(a.compareTo(b) != 0);
39      HTableDescriptor t = new HTableDescriptor(TableName.valueOf("t"));
40      byte [] midway = Bytes.toBytes("midway");
41      a = new HRegionInfo(t.getTableName(), null, midway);
42      b = new HRegionInfo(t.getTableName(), midway, null);
43      assertTrue(a.compareTo(b) < 0);
44      assertTrue(b.compareTo(a) > 0);
45      assertEquals(a, a);
46      assertTrue(a.compareTo(a) == 0);
47      a = new HRegionInfo(t.getTableName(), Bytes.toBytes("a"), Bytes.toBytes("d"));
48      b = new HRegionInfo(t.getTableName(), Bytes.toBytes("e"), Bytes.toBytes("g"));
49      assertTrue(a.compareTo(b) < 0);
50      a = new HRegionInfo(t.getTableName(), Bytes.toBytes("aaaa"), Bytes.toBytes("dddd"));
51      b = new HRegionInfo(t.getTableName(), Bytes.toBytes("e"), Bytes.toBytes("g"));
52      assertTrue(a.compareTo(b) < 0);
53      a = new HRegionInfo(t.getTableName(), Bytes.toBytes("aaaa"), Bytes.toBytes("dddd"));
54      b = new HRegionInfo(t.getTableName(), Bytes.toBytes("aaaa"), Bytes.toBytes("eeee"));
55      assertTrue(a.compareTo(b) < 0);
56    }
57  
58  }
59