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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,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.codec.delimited.ints;
21  
22  import java.nio.ByteBuffer;
23  import java.util.HashMap;
24  import java.util.LinkedList;
25  import java.util.List;
26  import java.util.Map;
27  
28  import org.apache.mina.codec.delimited.IoBufferDecoder;
29  import org.apache.mina.codec.delimited.ByteBufferEncoder;
30  
31  /**
32   * A {@link VarInt.Encoder} and {@link VarInt.Decoder} test.
33   * 
34   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
35   */
36  public class VarIntEncodingTest extends IntEncodingTest {
37  
38      @Override
39      public IoBufferDecoder<Integer> newDecoderInstance() {
40          return new VarInt().getDecoder();
41      }
42  
43      @Override
44      public ByteBufferEncoder<Integer> newEncoderInstance() {
45          return new VarInt().getEncoder();
46      }
47  
48      @Override
49      public Map<Integer, ByteBuffer> getEncodingSamples() {
50          Map<Integer, ByteBuffer> map = new HashMap<Integer, ByteBuffer>();
51  
52          map.put(0, ByteBuffer.wrap(new byte[] { 0 }));
53          map.put(1 | 2 << 7 | 3 << 14 | 4 << 21 | 5 << 28,
54                  ByteBuffer.wrap(new byte[] { 1 | (byte) 0x80, 2 | (byte) 0x80, 3 | (byte) 0x80, 4 | (byte) 0x80, 5 }));
55          return map;
56      }
57  
58      @Override
59      public Iterable<ByteBuffer> getIllegalBuffers() {
60          List<ByteBuffer> list = new LinkedList<ByteBuffer>();
61          list.add(ByteBuffer.wrap(new byte[] { 0 | (byte) 0x80, 0 | (byte) 0x80, 0 | (byte) 0x80, 0 | (byte) 0x80,
62                  1 << 4 }));
63          return list;
64      }
65  
66  }