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Java > Open Source Codes > org > apache > geronimo > pool > ThreadPoolTest


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.geronimo.pool;
18
19 import junit.framework.TestCase;
20
21 /**
22  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
23  */
24 public class ThreadPoolTest extends TestCase {
25     private final Object JavaDoc lock = new Object JavaDoc();
26     private boolean ready;
27     private ThreadPool threadPool;
28
29     public void testPoolLimit() throws Exception JavaDoc {
30         // grab the only thread in the pool
31 ready = false;
32         threadPool.execute(new Runnable JavaDoc() {
33             public void run() {
34                 synchronized(lock) {
35                     ready = true;
36                     lock.notifyAll();
37                     try {
38                         lock.wait();
39                     } catch (InterruptedException JavaDoc e) {
40                     }
41                 }
42             }
43         });
44
45         // wait for up to 5 seconds for the thread above to start running
46 synchronized(lock) {
47             if (!ready) {
48                 lock.wait(5000);
49             }
50         }
51         assertTrue(ready);
52
53         // try to schedule another task
54 try {
55             threadPool.execute(new Runnable JavaDoc(){
56                 public void run() {
57                 }
58             });
59             fail("Should not have been able to schedule second task");
60         } catch (RuntimeException JavaDoc e) {
61             // expected
62 }
63     }
64
65     public void setUp() throws Exception JavaDoc {
66         threadPool = new ThreadPool(1, "foo", Long.MAX_VALUE, ThreadPoolTest.class.getClassLoader(), "foo:bar=baz");
67         threadPool.doStart();
68     }
69
70     public void tearDown() throws Exception JavaDoc {
71         threadPool.doStop();
72         synchronized(lock) {
73             lock.notifyAll();
74         }
75     }
76 }
77
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