View Javadoc

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  package org.apache.hadoop.hbase.types;
19  
20  import static org.junit.Assert.assertArrayEquals;
21  import static org.junit.Assert.assertEquals;
22  
23  import org.apache.hadoop.hbase.SmallTests;
24  import org.apache.hadoop.hbase.util.Bytes;
25  import org.apache.hadoop.hbase.util.Order;
26  import org.apache.hadoop.hbase.util.PositionedByteRange;
27  import org.apache.hadoop.hbase.util.SimplePositionedByteRange;
28  import org.junit.Test;
29  import org.junit.experimental.categories.Category;
30  
31  @Category(SmallTests.class)
32  public class TestRawString {
33  
34    static final String[] VALUES = new String[] {
35      "", "1", "22", "333", "4444", "55555", "666666", "7777777", "88888888", "999999999",
36    };
37  
38    @Test
39    public void testReadWrite() {
40      for (Order ord : new Order[] { Order.ASCENDING, Order.DESCENDING }) {
41        RawString type =
42            Order.ASCENDING == ord ? RawString.ASCENDING : RawString.DESCENDING;
43        for (String val : VALUES) {
44          PositionedByteRange buff = new SimplePositionedByteRange(Bytes.toBytes(val).length);
45          assertEquals(buff.getLength(), type.encode(buff, val));
46          byte[] expected = Bytes.toBytes(val);
47          ord.apply(expected);
48          assertArrayEquals(expected, buff.getBytes());
49          buff.setPosition(0);
50          assertEquals(val, type.decode(buff));
51          buff.setPosition(0);
52          assertEquals(buff.getLength(), type.skip(buff));
53          assertEquals(buff.getLength(), buff.getPosition());
54        }
55      }
56    }
57  }