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root/jsr166/jsr166/src/test/tck/LockSupportTest.java

Comparing jsr166/src/test/tck/LockSupportTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:55 2003 UTC vs.
Revision 1.11 by jsr166, Tue Nov 17 12:46:10 2009 UTC

#	Line 1 | Line 1
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.
2	>	* 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	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
#	Line 10 | Line 11 | import java.util.*;
11		import java.util.concurrent.*;
12		import java.util.concurrent.locks.*;
13
14	<	public class LockSupportTest extends TestCase{
14	<
14	>	public class LockSupportTest extends JSR166TestCase {
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run (suite());
16	>	junit.textui.TestRunner.run (suite());
17		}
18	–
19	–
18		public static Test suite() {
19		return new TestSuite(LockSupportTest.class);
20		}
21
22	<	public void testUnpark() {
23	<	Thread t = new Thread(new Runnable(){
24	<	public void run(){
25	<	try{
26	<	LockSupport.park();
27	<	}catch(Exception e){
28	<	fail("unexpected exception");
29	<	}
30	<	}
31	<	});
32	<	t.start();
33	<	try{
34	<	LockSupport.unpark(t);
35	<	t.join();
36	<	}
37	<	catch(Exception e) {
38	<	fail("unexpected exception");
39	<	}
40	<	}
41	<
42	<	public void testParkNanos() {
43	<	Thread t = new Thread(new Runnable(){
44	<	public void run(){
45	<	try{
46	<	LockSupport.parkNanos(1000);
47	<	}catch(Exception e){
48	<	fail("unexpected exception");
49	<	}
50	<	}
51	<	});
52	<	try{
53	<	t.start();
54	<	t.join();
55	<	}
56	<	catch(Exception e) {
57	<	fail("unexpected exception");
58	<	}
22	>	/**
23	>	* park is released by unpark occurring after park
24	>	*/
25	>	public void testPark() throws InterruptedException {
26	>	Thread t = new Thread(new CheckedRunnable() {
27	>	public void realRun() {
28	>	LockSupport.park();
29	>	}});
30	>
31	>	t.start();
32	>	Thread.sleep(SHORT_DELAY_MS);
33	>	LockSupport.unpark(t);
34	>	t.join();
35	>	}
36	>
37	>	/**
38	>	* park is released by unpark occurring before park
39	>	*/
40	>	public void testPark2() throws InterruptedException {
41	>	Thread t = new Thread(new CheckedRunnable() {
42	>	public void realRun() throws InterruptedException {
43	>	Thread.sleep(SHORT_DELAY_MS);
44	>	LockSupport.park();
45	>	}});
46	>
47	>	t.start();
48	>	LockSupport.unpark(t);
49	>	t.join();
50	>	}
51	>
52	>	/**
53	>	* park is released by interrupt
54	>	*/
55	>	public void testPark3() throws InterruptedException {
56	>	Thread t = new Thread(new CheckedRunnable() {
57	>	public void realRun() {
58	>	LockSupport.park();
59	>	}});
60	>
61	>	t.start();
62	>	Thread.sleep(SHORT_DELAY_MS);
63	>	t.interrupt();
64	>	t.join();
65	>	}
66	>
67	>	/**
68	>	* park returns if interrupted before park
69	>	*/
70	>	public void testPark4() throws InterruptedException {
71	>	final ReentrantLock lock = new ReentrantLock();
72	>	lock.lock();
73	>	Thread t = new Thread(new CheckedRunnable() {
74	>	public void realRun() {
75	>	lock.lock();
76	>	LockSupport.park();
77	>	}});
78	>
79	>	t.start();
80	>	t.interrupt();
81	>	lock.unlock();
82	>	t.join();
83		}
84
85	+	/**
86	+	* parkNanos times out if not unparked
87	+	*/
88	+	public void testParkNanos() throws InterruptedException {
89	+	Thread t = new Thread(new CheckedRunnable() {
90	+	public void realRun() {
91	+	LockSupport.parkNanos(1000);
92	+	}});
93
94	<	public void testParkUntil() {
95	<	Thread t = new Thread(new Runnable(){
66	<	public void run(){
67	<	try{
68	<	long d = new Date().getTime() + 100;
69	<	LockSupport.parkUntil(d);
70	<	}catch(Exception e){
71	<	fail("unexpected exception");
72	<	}
73	<	}
74	<	});
75	<	try{
76	<	t.start();
77	<	t.join();
78	<	}
79	<	catch(Exception e) {
80	<	fail("unexpected exception");
81	<	}
94	>	t.start();
95	>	t.join();
96		}
97
98
99	+	/**
100	+	* parkUntil times out if not unparked
101	+	*/
102	+	public void testParkUntil() throws InterruptedException {
103	+	Thread t = new Thread(new CheckedRunnable() {
104	+	public void realRun() {
105	+	long d = new Date().getTime() + 100;
106	+	LockSupport.parkUntil(d);
107	+	}});
108	+
109	+	t.start();
110	+	t.join();
111	+	}
112		}

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