test/tck/ThreadTest.java

/*
 * Written by members of JCP JSR-166 Expert Group and released to the
 * public domain. Use, modify, and redistribute this code in any way
 * without acknowledgement. Other contributors include Andrew Wright,
 * Jeffrey Hayes, Pat Fischer, Mike Judd.
 */

import junit.framework.*;
import java.util.concurrent.Semaphore;

/**
 * Test java.lang.Thread 
 *
 */

public class ThreadTest extends TestCase {
    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());   
    }
    
    public static Test suite() {
        return new TestSuite(ThreadTest.class);
    }

    static class MyHandler implements Thread.UncaughtExceptionHandler {
        public void uncaughtException(Thread t, Throwable e) {
            e.printStackTrace();
        }
    }
    
    public void testGetAndSetUncaughtExceptionHandler() {
        // these must be done all at once to avoid state
        // dependencies across tests
        Thread current = Thread.currentThread();
        ThreadGroup tg = current.getThreadGroup();
        assertNull(Thread.getDefaultUncaughtExceptionHandler());
        assertEquals(tg, current.getUncaughtExceptionHandler());
        MyHandler eh = new MyHandler();
        Thread.setDefaultUncaughtExceptionHandler(eh);
        assertEquals(eh, current.getUncaughtExceptionHandler());
        assertEquals(eh, Thread.getDefaultUncaughtExceptionHandler());
        Thread.setDefaultUncaughtExceptionHandler(null);
        assertNull(Thread.getDefaultUncaughtExceptionHandler());
        assertEquals(tg, current.getUncaughtExceptionHandler());
        current.setUncaughtExceptionHandler(eh);
        assertEquals(eh, current.getUncaughtExceptionHandler());
        current.setUncaughtExceptionHandler(null);
        assertEquals(tg, current.getUncaughtExceptionHandler());
    }
    
    // How to test actually using UEH within junit?

}

Revision:	1.1
Committed:	Sun Aug 31 19:24:56 2003 UTC (20 years, 8 months ago) by dl
Branch:	MAIN
Log Message:	First check-in of tests to be in tck
#	Content
1	/*
2	* Written by members of JCP JSR-166 Expert Group and released to the
3	* public domain. Use, modify, and redistribute this code in any way
4	* without acknowledgement. Other contributors include Andrew Wright,
5	* Jeffrey Hayes, Pat Fischer, Mike Judd.
6	*/
7
8	import junit.framework.*;
9	import java.util.concurrent.Semaphore;
10
11	/**
12	* Test java.lang.Thread
13	*
14	*/
15
16	public class ThreadTest extends TestCase {
17	public static void main(String[] args) {
18	junit.textui.TestRunner.run(suite());
19	}
20
21	public static Test suite() {
22	return new TestSuite(ThreadTest.class);
23	}
24
25	static class MyHandler implements Thread.UncaughtExceptionHandler {
26	public void uncaughtException(Thread t, Throwable e) {
27	e.printStackTrace();
28	}
29	}
30
31	public void testGetAndSetUncaughtExceptionHandler() {
32	// these must be done all at once to avoid state
33	// dependencies across tests
34	Thread current = Thread.currentThread();
35	ThreadGroup tg = current.getThreadGroup();
36	assertNull(Thread.getDefaultUncaughtExceptionHandler());
37	assertEquals(tg, current.getUncaughtExceptionHandler());
38	MyHandler eh = new MyHandler();
39	Thread.setDefaultUncaughtExceptionHandler(eh);
40	assertEquals(eh, current.getUncaughtExceptionHandler());
41	assertEquals(eh, Thread.getDefaultUncaughtExceptionHandler());
42	Thread.setDefaultUncaughtExceptionHandler(null);
43	assertNull(Thread.getDefaultUncaughtExceptionHandler());
44	assertEquals(tg, current.getUncaughtExceptionHandler());
45	current.setUncaughtExceptionHandler(eh);
46	assertEquals(eh, current.getUncaughtExceptionHandler());
47	current.setUncaughtExceptionHandler(null);
48	assertEquals(tg, current.getUncaughtExceptionHandler());
49	}
50
51	// How to test actually using UEH within junit?
52
53	}
54