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Java > Open Source Codes > org > apache > activemq > memory > buffer > OrderBasedMemoryBufferTest


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * 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.activemq.memory.buffer;
19
20 import org.apache.activemq.memory.buffer.MessageBuffer;
21 import org.apache.activemq.memory.buffer.OrderBasedMessageBuffer;
22
23 /**
24  *
25  * @version $Revision: 1.1 $
26  */
27 public class OrderBasedMemoryBufferTest extends MemoryBufferTestSupport {
28
29     public void testSizeWorks() throws Exception JavaDoc {
30         qA.add(createMessage(10));
31         qB.add(createMessage(10));
32         qB.add(createMessage(10));
33         qC.add(createMessage(10));
34         
35         dump();
36         
37         assertEquals("buffer size", 40, buffer.getSize());
38         assertEquals("qA", 10, qA.getSize());
39         assertEquals("qB", 20, qB.getSize());
40         assertEquals("qC", 10, qC.getSize());
41         
42         qC.add(createMessage(10));
43         
44         dump();
45         
46         assertEquals("buffer size", 40, buffer.getSize());
47         assertEquals("qA", 0, qA.getSize());
48         assertEquals("qB", 20, qB.getSize());
49         assertEquals("qC", 20, qC.getSize());
50
51         qB.add(createMessage(10));
52         
53         dump();
54         
55         assertEquals("buffer size", 40, buffer.getSize());
56         assertEquals("qA", 0, qA.getSize());
57         assertEquals("qB", 20, qB.getSize());
58         assertEquals("qC", 20, qC.getSize());
59
60         qA.add(createMessage(10));
61
62         dump();
63         
64         assertEquals("buffer size", 40, buffer.getSize());
65         assertEquals("qA", 10, qA.getSize());
66         assertEquals("qB", 10, qB.getSize());
67         assertEquals("qC", 20, qC.getSize());
68     }
69
70     
71     protected MessageBuffer createMessageBuffer() {
72         return new OrderBasedMessageBuffer(40);
73     }
74 }
75
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