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Java > Open Source Codes > edu > rice > cs > util > PreventExitSecurityManagerTest


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33
34 package edu.rice.cs.util;
35
36 import edu.rice.cs.drjava.DrJavaTestCase;
37
38 /** Test cases for {@link PreventExitSecurityManager}.
39  *
40  * @version $Id: PreventExitSecurityManagerTest.java 3553 2006-02-20 21:22:09Z rcartwright $
41  */
42 public class PreventExitSecurityManagerTest extends DrJavaTestCase {
43   private PreventExitSecurityManager _manager;
44
45   /** Activates the security manager before each test. */
46   public void setUp() throws Exception JavaDoc {
47     super.setUp();
48     _manager = PreventExitSecurityManager.activate();
49   }
50
51   /** Deactivates the security manager after each test. */
52   public void tearDown() throws Exception JavaDoc {
53     _manager.deactivate();
54     super.tearDown();
55   }
56
57   public void testSystemExitPrevented() {
58     try {
59       System.exit(1);
60       fail("System.exit passed?!");
61     }
62     catch (ExitingNotAllowedException se) {
63       // good.
64 }
65   }
66
67   public void testExitVMRespectsBlock() {
68     _manager.setBlockExit(true);
69     try {
70       _manager.exitVM(-1);
71       fail("exitVM passed while blocked!");
72     }
73     catch (ExitingNotAllowedException se) {
74       // good
75 }
76   }
77
78   public void testCanNotChangeSecurityManager() {
79     try {
80       System.setSecurityManager(null);
81       fail("setSecurityManager passed!");
82     }
83     catch (SecurityException JavaDoc se) {
84       // good
85 }
86   }
87 }
88
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