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,
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;
21  
22  import static org.junit.Assert.assertEquals;
23  
24  import java.nio.ByteBuffer;
25  import java.util.LinkedList;
26  import java.util.List;
27  
28  import org.junit.Test;
29  
30  /**
31   * An abstract {@link SizePrefixedEncoder} and {@link SizePrefixedDecoder} test.
32   * 
33   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
34   */
35  public abstract class DelimitTest<T> {
36  
37      public abstract List<T> getObjects();
38  
39      protected abstract ByteBuffer delimitWithOriginal() throws Exception;
40  
41      public abstract SizePrefixedEncoder<T> getSerializer() throws Exception;
42  
43      final protected ByteBuffer delimitWithMina() throws Exception {
44          SizePrefixedEncoder<T> pe = getSerializer();
45  
46          List<ByteBuffer> buffers = new LinkedList<ByteBuffer>();
47          for (T p : getObjects()) {
48              buffers.add(pe.encode(p, null));
49          }
50  
51          int size = 0;
52          for (ByteBuffer b : buffers) {
53              size += b.remaining();
54          }
55  
56          ByteBuffer buffer = ByteBuffer.allocate(size);
57          for (ByteBuffer b : buffers) {
58              buffer.put(b);
59          }
60          buffer.flip();
61          return buffer;
62      }
63  
64      @Test
65      public void testDelimit() throws Exception {
66          assertEquals(delimitWithOriginal(), delimitWithMina());
67      }
68  
69  }