ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/ExchangerTest.java (file contents):
Revision 1.4 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.10 by jsr166, Sat Nov 21 02:07:26 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
13		public class ExchangerTest extends JSR166TestCase {
14	<
14	>
15		public static void main(String[] args) {
16	<	junit.textui.TestRunner.run (suite());
16	>	junit.textui.TestRunner.run (suite());
17		}
18		public static Test suite() {
19	<	return new TestSuite(ExchangerTest.class);
19	>	return new TestSuite(ExchangerTest.class);
20		}
21
22		/**
23		* exchange exchanges objects across two threads
24		*/
25	<	public void testExchange() {
25	>	public void testExchange() throws InterruptedException {
26		final Exchanger e = new Exchanger();
27	<	Thread t1 = new Thread(new Runnable(){
28	<	public void run(){
29	<	try {
30	<	Object v = e.exchange(one);
31	<	threadAssertEquals(v, two);
32	<	Object w = e.exchange(v);
33	<	threadAssertEquals(w, one);
34	<	} catch(InterruptedException e){
35	<	threadUnexpectedException();
36	<	}
37	<	}
38	<	});
39	<	Thread t2 = new Thread(new Runnable(){
40	<	public void run(){
41	<	try {
42	<	Object v = e.exchange(two);
43	<	threadAssertEquals(v, one);
44	<	Object w = e.exchange(v);
45	<	threadAssertEquals(w, two);
45	<	} catch(InterruptedException e){
46	<	threadUnexpectedException();
47	<	}
48	<	}
49	<	});
50	<	try {
51	<	t1.start();
52	<	t2.start();
53	<	t1.join();
54	<	t2.join();
55	<	} catch(InterruptedException ex) {
56	<	unexpectedException();
57	<	}
27	>	Thread t1 = new Thread(new CheckedRunnable() {
28	>	public void realRun() throws InterruptedException {
29	>	Object v = e.exchange(one);
30	>	threadAssertEquals(v, two);
31	>	Object w = e.exchange(v);
32	>	threadAssertEquals(w, one);
33	>	}});
34	>	Thread t2 = new Thread(new CheckedRunnable() {
35	>	public void realRun() throws InterruptedException {
36	>	Object v = e.exchange(two);
37	>	threadAssertEquals(v, one);
38	>	Object w = e.exchange(v);
39	>	threadAssertEquals(w, two);
40	>	}});
41	>
42	>	t1.start();
43	>	t2.start();
44	>	t1.join();
45	>	t2.join();
46		}
47
48		/**
49		* timed exchange exchanges objects across two threads
50		*/
51	<	public void testTimedExchange() {
51	>	public void testTimedExchange() throws InterruptedException {
52		final Exchanger e = new Exchanger();
53	<	Thread t1 = new Thread(new Runnable(){
54	<	public void run(){
55	<	try {
56	<	Object v = e.exchange(one, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
57	<	threadAssertEquals(v, two);
58	<	Object w = e.exchange(v, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
59	<	threadAssertEquals(w, one);
60	<	} catch(InterruptedException e){
61	<	threadUnexpectedException();
62	<	} catch(TimeoutException toe) {
63	<	threadUnexpectedException();
64	<	}
65	<	}
66	<	});
67	<	Thread t2 = new Thread(new Runnable(){
68	<	public void run(){
69	<	try {
70	<	Object v = e.exchange(two, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
71	<	threadAssertEquals(v, one);
84	<	Object w = e.exchange(v, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
85	<	threadAssertEquals(w, two);
86	<	} catch(InterruptedException e){
87	<	threadUnexpectedException();
88	<	} catch(TimeoutException toe) {
89	<	threadUnexpectedException();
90	<	}
91	<	}
92	<	});
93	<	try {
94	<	t1.start();
95	<	t2.start();
96	<	t1.join();
97	<	t2.join();
98	<	} catch(InterruptedException ex) {
99	<	unexpectedException();
100	<	}
53	>	Thread t1 = new Thread(new CheckedRunnable() {
54	>	public void realRun() throws Exception {
55	>	Object v = e.exchange(one, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
56	>	threadAssertEquals(v, two);
57	>	Object w = e.exchange(v, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
58	>	threadAssertEquals(w, one);
59	>	}});
60	>	Thread t2 = new Thread(new CheckedRunnable() {
61	>	public void realRun() throws Exception {
62	>	Object v = e.exchange(two, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
63	>	threadAssertEquals(v, one);
64	>	Object w = e.exchange(v, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
65	>	threadAssertEquals(w, two);
66	>	}});
67	>
68	>	t1.start();
69	>	t2.start();
70	>	t1.join();
71	>	t2.join();
72		}
73
74		/**
75		* interrupt during wait for exchange throws IE
76		*/
77	<	public void testExchange_InterruptedException(){
77	>	public void testExchange_InterruptedException() throws InterruptedException {
78		final Exchanger e = new Exchanger();
79	<	Thread t = new Thread(new Runnable() {
80	<	public void run(){
81	<	try {
82	<	e.exchange(one);
83	<	threadShouldThrow();
84	<	} catch(InterruptedException success){
85	<	}
86	<	}
87	<	});
117	<	try {
118	<	t.start();
119	<	Thread.sleep(SHORT_DELAY_MS);
120	<	t.interrupt();
121	<	t.join();
122	<	} catch(InterruptedException ex) {
123	<	unexpectedException();
124	<	}
79	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
80	>	public void realRun() throws InterruptedException {
81	>	e.exchange(one);
82	>	}});
83	>
84	>	t.start();
85	>	Thread.sleep(SHORT_DELAY_MS);
86	>	t.interrupt();
87	>	t.join();
88		}
89
90		/**
91		* interrupt during wait for timed exchange throws IE
92		*/
93	<	public void testTimedExchange_InterruptedException(){
93	>	public void testTimedExchange_InterruptedException() throws InterruptedException {
94		final Exchanger e = new Exchanger();
95	<	Thread t = new Thread(new Runnable() {
96	<	public void run(){
97	<	try {
98	<	e.exchange(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
99	<	threadShouldThrow();
100	<	} catch(InterruptedException success){
101	<	} catch(Exception e2){
102	<	threadFail("should throw IE");
140	<	}
141	<	}
142	<	});
143	<	try {
144	<	t.start();
145	<	t.interrupt();
146	<	t.join();
147	<	} catch(InterruptedException ex){
148	<	unexpectedException();
149	<	}
95	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
96	>	public void realRun() throws Exception {
97	>	e.exchange(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
98	>	}});
99	>
100	>	t.start();
101	>	t.interrupt();
102	>	t.join();
103		}
104
105		/**
106		* timeout during wait for timed exchange throws TOE
107		*/
108	<	public void testExchange_TimeOutException(){
108	>	public void testExchange_TimeOutException() throws InterruptedException {
109		final Exchanger e = new Exchanger();
110	<	Thread t = new Thread(new Runnable() {
111	<	public void run(){
112	<	try {
113	<	e.exchange(null, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
114	<	threadShouldThrow();
115	<	} catch(TimeoutException success){
116	<	} catch(InterruptedException e2){
117	<	threadFail("should throw TOE");
118	<	}
119	<	}
167	<	});
168	<	try {
169	<	t.start();
170	<	t.join();
171	<	} catch(InterruptedException ex){
172	<	unexpectedException();
173	<	}
110	>	Thread t = new Thread(new CheckedRunnable() {
111	>	public void realRun() throws Exception {
112	>	try {
113	>	e.exchange(null, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
114	>	threadShouldThrow();
115	>	} catch (TimeoutException success) {}
116	>	}});
117	>
118	>	t.start();
119	>	t.join();
120		}
121
122		/**
123		* If one exchanging thread is interrupted, another succeeds.
124		*/
125	<	public void testReplacementAfterExchange() {
125	>	public void testReplacementAfterExchange() throws InterruptedException {
126		final Exchanger e = new Exchanger();
127	<	Thread t1 = new Thread(new Runnable(){
128	<	public void run(){
129	<	try {
130	<	Object v = e.exchange(one);
131	<	threadAssertEquals(v, two);
132	<	Object w = e.exchange(v);
133	<	threadShouldThrow();
134	<	} catch(InterruptedException success){
135	<	}
136	<	}
137	<	});
138	<	Thread t2 = new Thread(new Runnable(){
139	<	public void run(){
140	<	try {
141	<	Object v = e.exchange(two);
142	<	threadAssertEquals(v, one);
143	<	Thread.sleep(SMALL_DELAY_MS);
144	<	Object w = e.exchange(v);
145	<	threadAssertEquals(w, three);
146	<	} catch(InterruptedException e){
147	<	threadUnexpectedException();
148	<	}
149	<	}
150	<	});
151	<	Thread t3 = new Thread(new Runnable(){
152	<	public void run(){
153	<	try {
154	<	Thread.sleep(SMALL_DELAY_MS);
155	<	Object w = e.exchange(three);
210	<	threadAssertEquals(w, one);
211	<	} catch(InterruptedException e){
212	<	threadUnexpectedException();
213	<	}
214	<	}
215	<	});
216	<
217	<	try {
218	<	t1.start();
219	<	t2.start();
220	<	t3.start();
221	<	Thread.sleep(SHORT_DELAY_MS);
222	<	t1.interrupt();
223	<	t1.join();
224	<	t2.join();
225	<	t3.join();
226	<	} catch(InterruptedException ex) {
227	<	unexpectedException();
228	<	}
127	>	Thread t1 = new Thread(new CheckedInterruptedRunnable() {
128	>	public void realRun() throws InterruptedException {
129	>	Object v = e.exchange(one);
130	>	threadAssertEquals(v, two);
131	>	Object w = e.exchange(v);
132	>	}});
133	>	Thread t2 = new Thread(new CheckedRunnable() {
134	>	public void realRun() throws InterruptedException {
135	>	Object v = e.exchange(two);
136	>	threadAssertEquals(v, one);
137	>	Thread.sleep(SMALL_DELAY_MS);
138	>	Object w = e.exchange(v);
139	>	threadAssertEquals(w, three);
140	>	}});
141	>	Thread t3 = new Thread(new CheckedRunnable() {
142	>	public void realRun() throws InterruptedException {
143	>	Thread.sleep(SMALL_DELAY_MS);
144	>	Object w = e.exchange(three);
145	>	threadAssertEquals(w, one);
146	>	}});
147	>
148	>	t1.start();
149	>	t2.start();
150	>	t3.start();
151	>	Thread.sleep(SHORT_DELAY_MS);
152	>	t1.interrupt();
153	>	t1.join();
154	>	t2.join();
155	>	t3.join();
156		}
157
158		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines