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1 : dl 1.1 /*
2 : dl 1.13 * 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 1.27 * Other contributors include Andrew Wright, Jeffrey Hayes,
6 :     * Pat Fisher, Mike Judd.
7 : dl 1.1 */
8 :    
9 :     import junit.framework.*;
10 :     import java.util.*;
11 :     import java.util.concurrent.*;
12 :     import java.io.*;
13 : dl 1.7 import java.security.*;
14 : dl 1.1
15 :     /**
16 : dl 1.5 * Base class for JSR166 Junit TCK tests. Defines some constants,
17 :     * utility methods and classes, as well as a simple framework for
18 :     * helping to make sure that assertions failing in generated threads
19 :     * cause the associated test that generated them to itself fail (which
20 : jsr166 1.27 * JUnit does not otherwise arrange). The rules for creating such
21 : dl 1.5 * tests are:
22 : dl 1.1 *
23 :     * <ol>
24 :     *
25 :     * <li> All assertions in code running in generated threads must use
26 : jsr166 1.27 * the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
27 : dl 1.18 * #threadAssertEquals}, or {@link #threadAssertNull}, (not
28 : dl 1.1 * <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not
29 :     * particularly recommended) for other code to use these forms too.
30 :     * Only the most typically used JUnit assertion methods are defined
31 :     * this way, but enough to live with.</li>
32 :     *
33 : dl 1.18 * <li> If you override {@link #setUp} or {@link #tearDown}, make sure
34 : dl 1.1 * to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
35 :     * them. These methods are used to clear and check for thread
36 :     * assertion failures.</li>
37 :     *
38 : dl 1.6 * <li>All delays and timeouts must use one of the constants <tt>
39 :     * SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
40 :     * <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
41 : dl 1.5 * discriminable from zero time, and always allows enough time for the
42 :     * small amounts of computation (creating a thread, calling a few
43 : dl 1.1 * methods, etc) needed to reach a timeout point. Similarly, a SMALL
44 :     * is always discriminable as larger than SHORT and smaller than
45 :     * MEDIUM. And so on. These constants are set to conservative values,
46 : dl 1.2 * but even so, if there is ever any doubt, they can all be increased
47 : jsr166 1.27 * in one spot to rerun tests on slower platforms.</li>
48 : dl 1.1 *
49 :     * <li> All threads generated must be joined inside each test case
50 :     * method (or <tt>fail</tt> to do so) before returning from the
51 : dl 1.6 * method. The <tt> joinPool</tt> method can be used to do this when
52 : dl 1.1 * using Executors.</li>
53 :     *
54 :     * </ol>
55 : dl 1.6 *
56 :     * <p> <b>Other notes</b>
57 :     * <ul>
58 :     *
59 :     * <li> Usually, there is one testcase method per JSR166 method
60 :     * covering "normal" operation, and then as many exception-testing
61 :     * methods as there are exceptions the method can throw. Sometimes
62 :     * there are multiple tests per JSR166 method when the different
63 :     * "normal" behaviors differ significantly. And sometimes testcases
64 :     * cover multiple methods when they cannot be tested in
65 :     * isolation.</li>
66 : jsr166 1.27 *
67 : dl 1.6 * <li> The documentation style for testcases is to provide as javadoc
68 :     * a simple sentence or two describing the property that the testcase
69 :     * method purports to test. The javadocs do not say anything about how
70 :     * the property is tested. To find out, read the code.</li>
71 :     *
72 :     * <li> These tests are "conformance tests", and do not attempt to
73 :     * test throughput, latency, scalability or other performance factors
74 :     * (see the separate "jtreg" tests for a set intended to check these
75 :     * for the most central aspects of functionality.) So, most tests use
76 :     * the smallest sensible numbers of threads, collection sizes, etc
77 :     * needed to check basic conformance.</li>
78 :     *
79 :     * <li>The test classes currently do not declare inclusion in
80 :     * any particular package to simplify things for people integrating
81 :     * them in TCK test suites.</li>
82 :     *
83 :     * <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
84 :     * runs all JSR166 unit tests.</li>
85 :     *
86 :     * </ul>
87 : dl 1.1 */
88 :     public class JSR166TestCase extends TestCase {
89 : dl 1.6 /**
90 :     * Runs all JSR166 unit tests using junit.textui.TestRunner
91 : jsr166 1.27 */
92 : dl 1.6 public static void main (String[] args) {
93 : dl 1.16 int iters = 1;
94 : jsr166 1.27 if (args.length > 0)
95 : dl 1.16 iters = Integer.parseInt(args[0]);
96 :     Test s = suite();
97 : dl 1.22 for (int i = 0; i < iters; ++i) {
98 : dl 1.16 junit.textui.TestRunner.run (s);
99 : dl 1.22 System.gc();
100 :     System.runFinalization();
101 :     }
102 :     System.exit(0);
103 : dl 1.6 }
104 :    
105 :     /**
106 :     * Collects all JSR166 unit tests as one suite
107 : jsr166 1.27 */
108 : dl 1.6 public static Test suite ( ) {
109 :     TestSuite suite = new TestSuite("JSR166 Unit Tests");
110 : jsr166 1.27
111 : dl 1.10 suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
112 : dl 1.19 suite.addTest(new TestSuite(AbstractQueueTest.class));
113 : dl 1.14 suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
114 : dl 1.25 suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
115 : dl 1.6 suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
116 : dl 1.23 suite.addTest(new TestSuite(ArrayDequeTest.class));
117 : jsr166 1.27 suite.addTest(new TestSuite(AtomicBooleanTest.class));
118 :     suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
119 :     suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
120 :     suite.addTest(new TestSuite(AtomicIntegerTest.class));
121 :     suite.addTest(new TestSuite(AtomicLongArrayTest.class));
122 :     suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
123 :     suite.addTest(new TestSuite(AtomicLongTest.class));
124 :     suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
125 :     suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
126 :     suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
127 :     suite.addTest(new TestSuite(AtomicReferenceTest.class));
128 :     suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
129 : dl 1.6 suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
130 :     suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
131 : dl 1.23 suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
132 :     suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
133 :     suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
134 :     suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
135 : dl 1.6 suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
136 :     suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
137 :     suite.addTest(new TestSuite(CountDownLatchTest.class));
138 :     suite.addTest(new TestSuite(CyclicBarrierTest.class));
139 :     suite.addTest(new TestSuite(DelayQueueTest.class));
140 : dl 1.29 suite.addTest(new TestSuite(EntryTest.class));
141 : dl 1.6 suite.addTest(new TestSuite(ExchangerTest.class));
142 :     suite.addTest(new TestSuite(ExecutorsTest.class));
143 : dl 1.11 suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
144 : dl 1.6 suite.addTest(new TestSuite(FutureTaskTest.class));
145 : dl 1.23 suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
146 : dl 1.6 suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
147 :     suite.addTest(new TestSuite(LinkedListTest.class));
148 :     suite.addTest(new TestSuite(LockSupportTest.class));
149 :     suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
150 :     suite.addTest(new TestSuite(PriorityQueueTest.class));
151 :     suite.addTest(new TestSuite(ReentrantLockTest.class));
152 :     suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
153 :     suite.addTest(new TestSuite(ScheduledExecutorTest.class));
154 : dl 1.28 suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
155 : dl 1.6 suite.addTest(new TestSuite(SemaphoreTest.class));
156 :     suite.addTest(new TestSuite(SynchronousQueueTest.class));
157 :     suite.addTest(new TestSuite(SystemTest.class));
158 :     suite.addTest(new TestSuite(ThreadLocalTest.class));
159 :     suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
160 : dl 1.28 suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
161 : dl 1.6 suite.addTest(new TestSuite(ThreadTest.class));
162 : dl 1.24 suite.addTest(new TestSuite(TimeUnitTest.class));
163 : dl 1.23 suite.addTest(new TestSuite(TreeMapTest.class));
164 :     suite.addTest(new TestSuite(TreeSetTest.class));
165 : dl 1.26 suite.addTest(new TestSuite(TreeSubMapTest.class));
166 :     suite.addTest(new TestSuite(TreeSubSetTest.class));
167 : jsr166 1.27
168 : dl 1.6 return suite;
169 :     }
170 :    
171 : dl 1.1
172 : dl 1.2 public static long SHORT_DELAY_MS;
173 :     public static long SMALL_DELAY_MS;
174 :     public static long MEDIUM_DELAY_MS;
175 :     public static long LONG_DELAY_MS;
176 :    
177 :    
178 :     /**
179 : jsr166 1.27 * Returns the shortest timed delay. This could
180 : dl 1.15 * be reimplemented to use for example a Property.
181 : jsr166 1.27 */
182 : dl 1.2 protected long getShortDelay() {
183 : dl 1.21 return 50;
184 : dl 1.2 }
185 :    
186 :    
187 :     /**
188 : jsr166 1.27 * Sets delays as multiples of SHORT_DELAY.
189 : dl 1.2 */
190 :     protected void setDelays() {
191 :     SHORT_DELAY_MS = getShortDelay();
192 :     SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
193 :     MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
194 :     LONG_DELAY_MS = SHORT_DELAY_MS * 50;
195 :     }
196 :    
197 : dl 1.1 /**
198 :     * Flag set true if any threadAssert methods fail
199 :     */
200 : dl 1.5 volatile boolean threadFailed;
201 : dl 1.1
202 :     /**
203 : jsr166 1.27 * Initializes test to indicate that no thread assertions have failed
204 : dl 1.1 */
205 : jsr166 1.27 public void setUp() {
206 : dl 1.2 setDelays();
207 : jsr166 1.27 threadFailed = false;
208 : dl 1.1 }
209 :    
210 :     /**
211 : jsr166 1.27 * Triggers test case failure if any thread assertions have failed
212 : dl 1.1 */
213 : jsr166 1.27 public void tearDown() {
214 :     assertFalse(threadFailed);
215 : dl 1.1 }
216 :    
217 : dl 1.5 /**
218 :     * Fail, also setting status to indicate current testcase should fail
219 : jsr166 1.27 */
220 : dl 1.1 public void threadFail(String reason) {
221 :     threadFailed = true;
222 :     fail(reason);
223 :     }
224 :    
225 : dl 1.5 /**
226 :     * If expression not true, set status to indicate current testcase
227 :     * should fail
228 : jsr166 1.27 */
229 : dl 1.1 public void threadAssertTrue(boolean b) {
230 :     if (!b) {
231 :     threadFailed = true;
232 :     assertTrue(b);
233 :     }
234 :     }
235 : dl 1.5
236 :     /**
237 :     * If expression not false, set status to indicate current testcase
238 :     * should fail
239 : jsr166 1.27 */
240 : dl 1.1 public void threadAssertFalse(boolean b) {
241 :     if (b) {
242 :     threadFailed = true;
243 :     assertFalse(b);
244 :     }
245 :     }
246 : dl 1.5
247 :     /**
248 :     * If argument not null, set status to indicate current testcase
249 :     * should fail
250 : jsr166 1.27 */
251 : dl 1.1 public void threadAssertNull(Object x) {
252 :     if (x != null) {
253 :     threadFailed = true;
254 :     assertNull(x);
255 :     }
256 :     }
257 : dl 1.5
258 :     /**
259 :     * If arguments not equal, set status to indicate current testcase
260 :     * should fail
261 : jsr166 1.27 */
262 : dl 1.1 public void threadAssertEquals(long x, long y) {
263 :     if (x != y) {
264 :     threadFailed = true;
265 :     assertEquals(x, y);
266 :     }
267 :     }
268 : dl 1.5
269 :     /**
270 :     * If arguments not equal, set status to indicate current testcase
271 :     * should fail
272 : jsr166 1.27 */
273 : dl 1.1 public void threadAssertEquals(Object x, Object y) {
274 :     if (x != y && (x == null || !x.equals(y))) {
275 :     threadFailed = true;
276 :     assertEquals(x, y);
277 :     }
278 :     }
279 :    
280 : dl 1.5 /**
281 :     * threadFail with message "should throw exception"
282 : jsr166 1.27 */
283 : dl 1.3 public void threadShouldThrow() {
284 :     threadFailed = true;
285 :     fail("should throw exception");
286 :     }
287 :    
288 : dl 1.5 /**
289 :     * threadFail with message "Unexpected exception"
290 :     */
291 : dl 1.3 public void threadUnexpectedException() {
292 :     threadFailed = true;
293 :     fail("Unexpected exception");
294 :     }
295 :    
296 :    
297 : dl 1.1 /**
298 :     * Wait out termination of a thread pool or fail doing so
299 :     */
300 :     public void joinPool(ExecutorService exec) {
301 :     try {
302 :     exec.shutdown();
303 :     assertTrue(exec.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
304 : dl 1.22 } catch(SecurityException ok) {
305 :     // Allowed in case test doesn't have privs
306 : dl 1.1 } catch(InterruptedException ie) {
307 : dl 1.3 fail("Unexpected exception");
308 : dl 1.1 }
309 :     }
310 :    
311 : dl 1.5
312 :     /**
313 :     * fail with message "should throw exception"
314 : jsr166 1.27 */
315 : dl 1.3 public void shouldThrow() {
316 :     fail("Should throw exception");
317 :     }
318 :    
319 : dl 1.5 /**
320 :     * fail with message "Unexpected exception"
321 :     */
322 : dl 1.3 public void unexpectedException() {
323 :     fail("Unexpected exception");
324 :     }
325 : dl 1.1
326 :    
327 :     /**
328 :     * The number of elements to place in collections, arrays, etc.
329 :     */
330 : dl 1.5 static final int SIZE = 20;
331 : dl 1.1
332 :     // Some convenient Integer constants
333 :    
334 : dl 1.5 static final Integer zero = new Integer(0);
335 :     static final Integer one = new Integer(1);
336 :     static final Integer two = new Integer(2);
337 :     static final Integer three = new Integer(3);
338 :     static final Integer four = new Integer(4);
339 :     static final Integer five = new Integer(5);
340 :     static final Integer six = new Integer(6);
341 :     static final Integer seven = new Integer(7);
342 :     static final Integer eight = new Integer(8);
343 :     static final Integer nine = new Integer(9);
344 :     static final Integer m1 = new Integer(-1);
345 :     static final Integer m2 = new Integer(-2);
346 :     static final Integer m3 = new Integer(-3);
347 :     static final Integer m4 = new Integer(-4);
348 :     static final Integer m5 = new Integer(-5);
349 :     static final Integer m10 = new Integer(-10);
350 : dl 1.7
351 :    
352 :     /**
353 :     * A security policy where new permissions can be dynamically added
354 :     * or all cleared.
355 :     */
356 :     static class AdjustablePolicy extends java.security.Policy {
357 :     Permissions perms = new Permissions();
358 :     AdjustablePolicy() { }
359 :     void addPermission(Permission perm) { perms.add(perm); }
360 :     void clearPermissions() { perms = new Permissions(); }
361 :     public PermissionCollection getPermissions(CodeSource cs) {
362 :     return perms;
363 :     }
364 :     public PermissionCollection getPermissions(ProtectionDomain pd) {
365 :     return perms;
366 :     }
367 :     public boolean implies(ProtectionDomain pd, Permission p) {
368 :     return perms.implies(p);
369 :     }
370 :     public void refresh() {}
371 :     }
372 : dl 1.1
373 :    
374 :     // Some convenient Runnable classes
375 :    
376 : dl 1.5 static class NoOpRunnable implements Runnable {
377 : dl 1.1 public void run() {}
378 :     }
379 :    
380 : dl 1.5 static class NoOpCallable implements Callable {
381 : dl 1.1 public Object call() { return Boolean.TRUE; }
382 : dl 1.10 }
383 :    
384 :     static final String TEST_STRING = "a test string";
385 :    
386 :     static class StringTask implements Callable<String> {
387 :     public String call() { return TEST_STRING; }
388 :     }
389 :    
390 :     static class NPETask implements Callable<String> {
391 :     public String call() { throw new NullPointerException(); }
392 :     }
393 :    
394 :     static class CallableOne implements Callable<Integer> {
395 :     public Integer call() { return one; }
396 : dl 1.1 }
397 :    
398 : dl 1.5 class ShortRunnable implements Runnable {
399 : dl 1.1 public void run() {
400 :     try {
401 :     Thread.sleep(SHORT_DELAY_MS);
402 :     }
403 :     catch(Exception e) {
404 : dl 1.3 threadUnexpectedException();
405 : dl 1.1 }
406 :     }
407 :     }
408 :    
409 : dl 1.5 class ShortInterruptedRunnable implements Runnable {
410 : dl 1.1 public void run() {
411 :     try {
412 :     Thread.sleep(SHORT_DELAY_MS);
413 : dl 1.3 threadShouldThrow();
414 : dl 1.1 }
415 :     catch(InterruptedException success) {
416 :     }
417 :     }
418 :     }
419 :    
420 : dl 1.5 class SmallRunnable implements Runnable {
421 : dl 1.1 public void run() {
422 :     try {
423 :     Thread.sleep(SMALL_DELAY_MS);
424 :     }
425 :     catch(Exception e) {
426 : dl 1.3 threadUnexpectedException();
427 : dl 1.1 }
428 :     }
429 :     }
430 :    
431 : dl 1.6 class SmallPossiblyInterruptedRunnable implements Runnable {
432 :     public void run() {
433 :     try {
434 :     Thread.sleep(SMALL_DELAY_MS);
435 :     }
436 :     catch(Exception e) {
437 :     }
438 :     }
439 :     }
440 :    
441 : dl 1.5 class SmallCallable implements Callable {
442 : dl 1.1 public Object call() {
443 :     try {
444 :     Thread.sleep(SMALL_DELAY_MS);
445 :     }
446 :     catch(Exception e) {
447 : dl 1.3 threadUnexpectedException();
448 : dl 1.1 }
449 :     return Boolean.TRUE;
450 :     }
451 :     }
452 :    
453 : dl 1.5 class SmallInterruptedRunnable implements Runnable {
454 : dl 1.1 public void run() {
455 :     try {
456 :     Thread.sleep(SMALL_DELAY_MS);
457 : dl 1.3 threadShouldThrow();
458 : dl 1.1 }
459 :     catch(InterruptedException success) {
460 :     }
461 :     }
462 :     }
463 :    
464 :    
465 : dl 1.5 class MediumRunnable implements Runnable {
466 : dl 1.1 public void run() {
467 :     try {
468 :     Thread.sleep(MEDIUM_DELAY_MS);
469 :     }
470 :     catch(Exception e) {
471 : dl 1.3 threadUnexpectedException();
472 : dl 1.1 }
473 :     }
474 :     }
475 :    
476 : dl 1.5 class MediumInterruptedRunnable implements Runnable {
477 : dl 1.1 public void run() {
478 :     try {
479 :     Thread.sleep(MEDIUM_DELAY_MS);
480 : dl 1.3 threadShouldThrow();
481 : dl 1.1 }
482 :     catch(InterruptedException success) {
483 :     }
484 :     }
485 :     }
486 :    
487 : dl 1.5 class MediumPossiblyInterruptedRunnable implements Runnable {
488 : dl 1.1 public void run() {
489 :     try {
490 :     Thread.sleep(MEDIUM_DELAY_MS);
491 :     }
492 :     catch(InterruptedException success) {
493 :     }
494 :     }
495 :     }
496 : dl 1.5
497 : dl 1.12 class LongPossiblyInterruptedRunnable implements Runnable {
498 :     public void run() {
499 :     try {
500 :     Thread.sleep(LONG_DELAY_MS);
501 :     }
502 :     catch(InterruptedException success) {
503 :     }
504 :     }
505 :     }
506 :    
507 : dl 1.5 /**
508 :     * For use as ThreadFactory in constructors
509 :     */
510 :     static class SimpleThreadFactory implements ThreadFactory{
511 :     public Thread newThread(Runnable r){
512 :     return new Thread(r);
513 : jsr166 1.27 }
514 : dl 1.5 }
515 :    
516 : dl 1.6 static class TrackedShortRunnable implements Runnable {
517 : dl 1.5 volatile boolean done = false;
518 :     public void run() {
519 :     try {
520 :     Thread.sleep(SMALL_DELAY_MS);
521 :     done = true;
522 :     } catch(Exception e){
523 :     }
524 : dl 1.6 }
525 :     }
526 :    
527 :     static class TrackedMediumRunnable implements Runnable {
528 :     volatile boolean done = false;
529 :     public void run() {
530 :     try {
531 :     Thread.sleep(MEDIUM_DELAY_MS);
532 :     done = true;
533 :     } catch(Exception e){
534 :     }
535 :     }
536 :     }
537 :    
538 :     static class TrackedLongRunnable implements Runnable {
539 :     volatile boolean done = false;
540 :     public void run() {
541 :     try {
542 :     Thread.sleep(LONG_DELAY_MS);
543 :     done = true;
544 :     } catch(Exception e){
545 :     }
546 :     }
547 :     }
548 :    
549 :     static class TrackedNoOpRunnable implements Runnable {
550 :     volatile boolean done = false;
551 :     public void run() {
552 :     done = true;
553 : dl 1.5 }
554 :     }
555 :    
556 :     static class TrackedCallable implements Callable {
557 :     volatile boolean done = false;
558 :     public Object call() {
559 :     try {
560 :     Thread.sleep(SMALL_DELAY_MS);
561 :     done = true;
562 :     } catch(Exception e){
563 :     }
564 :     return Boolean.TRUE;
565 :     }
566 :     }
567 : dl 1.14
568 : dl 1.5
569 :     /**
570 :     * For use as RejectedExecutionHandler in constructors
571 :     */
572 :     static class NoOpREHandler implements RejectedExecutionHandler{
573 : jsr166 1.27 public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
574 : dl 1.5 }
575 : jsr166 1.27
576 :    
577 : dl 1.1 }

Doug Lea
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