1 |
dl |
1.1 |
/* |
2 |
dl |
1.8 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
|
|
* Expert Group and released to the public domain, as explained at |
4 |
|
|
* http://creativecommons.org/licenses/publicdomain |
5 |
jsr166 |
1.10 |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
|
|
* Pat Fisher, Mike Judd. |
7 |
dl |
1.1 |
*/ |
8 |
|
|
|
9 |
|
|
import junit.framework.*; |
10 |
|
|
|
11 |
dl |
1.3 |
public class ThreadTest extends JSR166TestCase { |
12 |
dl |
1.1 |
public static void main(String[] args) { |
13 |
jsr166 |
1.10 |
junit.textui.TestRunner.run(suite()); |
14 |
dl |
1.1 |
} |
15 |
jsr166 |
1.10 |
|
16 |
dl |
1.1 |
public static Test suite() { |
17 |
|
|
return new TestSuite(ThreadTest.class); |
18 |
|
|
} |
19 |
|
|
|
20 |
|
|
static class MyHandler implements Thread.UncaughtExceptionHandler { |
21 |
|
|
public void uncaughtException(Thread t, Throwable e) { |
22 |
|
|
e.printStackTrace(); |
23 |
|
|
} |
24 |
|
|
} |
25 |
jsr166 |
1.10 |
|
26 |
dl |
1.5 |
/** |
27 |
dl |
1.6 |
* getUncaughtExceptionHandler returns ThreadGroup unless set, |
28 |
dl |
1.9 |
* otherwise returning value of last setUncaughtExceptionHandler. |
29 |
dl |
1.5 |
*/ |
30 |
dl |
1.1 |
public void testGetAndSetUncaughtExceptionHandler() { |
31 |
|
|
// these must be done all at once to avoid state |
32 |
|
|
// dependencies across tests |
33 |
|
|
Thread current = Thread.currentThread(); |
34 |
|
|
ThreadGroup tg = current.getThreadGroup(); |
35 |
|
|
MyHandler eh = new MyHandler(); |
36 |
|
|
assertEquals(tg, current.getUncaughtExceptionHandler()); |
37 |
|
|
current.setUncaughtExceptionHandler(eh); |
38 |
|
|
assertEquals(eh, current.getUncaughtExceptionHandler()); |
39 |
|
|
current.setUncaughtExceptionHandler(null); |
40 |
|
|
assertEquals(tg, current.getUncaughtExceptionHandler()); |
41 |
|
|
} |
42 |
dl |
1.4 |
|
43 |
dl |
1.5 |
/** |
44 |
dl |
1.6 |
* getDefaultUncaughtExceptionHandler returns value of last |
45 |
jsr166 |
1.10 |
* setDefaultUncaughtExceptionHandler. |
46 |
dl |
1.5 |
*/ |
47 |
dl |
1.4 |
public void testGetAndSetDefaultUncaughtExceptionHandler() { |
48 |
|
|
assertEquals(null, Thread.getDefaultUncaughtExceptionHandler()); |
49 |
|
|
// failure due to securityException is OK. |
50 |
|
|
// Would be nice to explicitly test both ways, but cannot yet. |
51 |
|
|
try { |
52 |
|
|
Thread current = Thread.currentThread(); |
53 |
|
|
ThreadGroup tg = current.getThreadGroup(); |
54 |
|
|
MyHandler eh = new MyHandler(); |
55 |
dl |
1.6 |
Thread.setDefaultUncaughtExceptionHandler(eh); |
56 |
|
|
assertEquals(eh, Thread.getDefaultUncaughtExceptionHandler()); |
57 |
|
|
Thread.setDefaultUncaughtExceptionHandler(null); |
58 |
|
|
} |
59 |
jsr166 |
1.11 |
catch (SecurityException ok) { |
60 |
dl |
1.6 |
} |
61 |
|
|
assertEquals(null, Thread.getDefaultUncaughtExceptionHandler()); |
62 |
|
|
} |
63 |
|
|
|
64 |
jsr166 |
1.10 |
|
65 |
dl |
1.1 |
// How to test actually using UEH within junit? |
66 |
|
|
|
67 |
|
|
} |