1 |
| package org.jboss.cache.lock; |
2 |
| |
3 |
| import junit.framework.Test; |
4 |
| import junit.framework.TestCase; |
5 |
| import junit.framework.TestSuite; |
6 |
| import org.jboss.cache.misc.TestingUtil; |
7 |
| |
8 |
| import java.io.FileWriter; |
9 |
| import java.io.IOException; |
10 |
| import java.io.Writer; |
11 |
| import java.util.Vector; |
12 |
| import java.util.concurrent.TimeUnit; |
13 |
| import java.util.concurrent.locks.Lock; |
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| public class NonBlockingWriterLockTest extends TestCase |
31 |
| { |
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| static final NonBlockingWriterLock lock_ = new NonBlockingWriterLock(); |
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| static long SLEEP_MSECS = 500; |
34 |
| Vector lockResult = new Vector(); |
35 |
| int NO_MORE_OP = 0; |
36 |
| int INVOKE_READ = 1; |
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| int INVOKE_WRITE = 2; |
38 |
| int INVOKE_UPGRADE = 3; |
39 |
| |
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11
| public NonBlockingWriterLockTest(String name)
|
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| { |
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| super(name);
|
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| } |
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| |
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0
| public static void main(String[] args) throws Exception
|
47 |
| { |
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0
| log("\nBeginning NonBlockingWriterLock automated testing ...\n");
|
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| |
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0
| junit.textui.TestRunner.run(suite());
|
51 |
| } |
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1
| public static Test suite()
|
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| { |
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| TestSuite suite = new TestSuite();
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| |
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1
| suite.addTestSuite(NonBlockingWriterLockTest.class);
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59 |
1
| return suite;
|
60 |
| } |
61 |
| |
62 |
11
| public void setUp() throws Exception
|
63 |
| { |
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11
| super.setUp();
|
65 |
11
| logX("\n");
|
66 |
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| log("Setting up test case ...");
|
67 |
| } |
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| |
69 |
11
| public void tearDown() throws Exception
|
70 |
| { |
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| super.tearDown();
|
72 |
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| log("Tearing down test case ...");
|
73 |
| } |
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| |
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132
| public static void log(String str)
|
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| { |
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| System.out.println(Thread.currentThread() + ": "
|
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| + java.util.Calendar.getInstance().getTime() + " : " + str); |
79 |
| } |
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| |
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110
| public static void logX(String str)
|
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| { |
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110
| log(str);
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| } |
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0
| public static void logToFile(String str) throws IOException
|
93 |
| { |
94 |
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| Writer out = new FileWriter("./ReadCommittedLog.txt", true);
|
95 |
0
| out.write(str);
|
96 |
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| out.close();
|
97 |
| } |
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149 |
12
| protected Thread readThread(final String caseNum, final String name,
|
150 |
| final long msecs, final long sleepSecs, |
151 |
| final String errMsg, final int secondOP) |
152 |
| { |
153 |
12
| return new Thread(name)
|
154 |
| { |
155 |
12
| public void run()
|
156 |
| { |
157 |
12
| Lock rlock = lock_.readLock();
|
158 |
12
| try
|
159 |
| { |
160 |
12
| if (!rlock.tryLock(msecs, TimeUnit.MILLISECONDS))
|
161 |
| { |
162 |
1
| logX(caseNum + "-" + name + " requesting read lock failed!\n");
|
163 |
1
| String str = caseNum + "-" + name + "-RL-0";
|
164 |
1
| postLockingResult(str);
|
165 |
1
| return;
|
166 |
| } |
167 |
| |
168 |
11
| logX(caseNum + "-" + name + " requesting read lock succeeded!\n");
|
169 |
11
| String str = caseNum + "-" + name + "-RL-1";
|
170 |
11
| postLockingResult(str);
|
171 |
11
| TestingUtil.sleepThread(sleepSecs);
|
172 |
| |
173 |
11
| if (secondOP == INVOKE_READ)
|
174 |
0
| acquireReadLock(caseNum, name, msecs, errMsg);
|
175 |
11
| else if (secondOP == INVOKE_WRITE)
|
176 |
2
| acquireWriteLock(caseNum, name, msecs, errMsg);
|
177 |
9
| else if (secondOP == INVOKE_UPGRADE)
|
178 |
2
| acquireUpgradeLock(caseNum, name, msecs, errMsg);
|
179 |
| |
180 |
11
| rlock.unlock();
|
181 |
11
| logX(caseNum + "-" + name + " releasing read lock.\n");
|
182 |
| } |
183 |
| catch (Exception ex) |
184 |
| { |
185 |
| } |
186 |
| } |
187 |
| }; |
188 |
| } |
189 |
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197 |
4
| protected Thread writeThread(final String caseNum, final String name,
|
198 |
| final long msecs, final long sleepSecs, |
199 |
| final String errMsg, final int secondOP) |
200 |
| { |
201 |
4
| return new Thread(name)
|
202 |
| { |
203 |
4
| public void run()
|
204 |
| { |
205 |
4
| try
|
206 |
| { |
207 |
4
| Lock wlock = lock_.writeLock();
|
208 |
4
| if (!wlock.tryLock(msecs, TimeUnit.MILLISECONDS))
|
209 |
| { |
210 |
1
| logX(caseNum + "-" + name + " requesting write lock failed!\n");
|
211 |
1
| String str = caseNum + "-" + name + "-WL-0";
|
212 |
1
| postLockingResult(str);
|
213 |
1
| return;
|
214 |
| } |
215 |
| |
216 |
3
| logX(caseNum + "-" + name + " requesting write lock succeeded!\n");
|
217 |
3
| String str = caseNum + "-" + name + "-WL-1";
|
218 |
3
| postLockingResult(str);
|
219 |
3
| TestingUtil.sleepThread(sleepSecs);
|
220 |
| |
221 |
3
| if (secondOP == INVOKE_READ)
|
222 |
0
| acquireReadLock(caseNum, name, msecs, errMsg);
|
223 |
3
| else if (secondOP == INVOKE_WRITE)
|
224 |
0
| acquireWriteLock(caseNum, name, msecs, errMsg);
|
225 |
3
| else if (secondOP == INVOKE_UPGRADE)
|
226 |
0
| acquireUpgradeLock(caseNum, name, msecs, errMsg);
|
227 |
| |
228 |
3
| wlock.unlock();
|
229 |
3
| logX(caseNum + "-" + name + " releasing write lock.\n");
|
230 |
| } |
231 |
| catch (Exception ex) |
232 |
| { |
233 |
| } |
234 |
| } |
235 |
| }; |
236 |
| } |
237 |
| |
238 |
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239 |
| |
240 |
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241 |
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242 |
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243 |
| |
244 |
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245 |
| |
246 |
1
| protected Thread upgradeThread(final String caseNum, final String name,
|
247 |
| final long msecs, final String errMsg) |
248 |
| { |
249 |
1
| return new Thread(name)
|
250 |
| { |
251 |
1
| public void run()
|
252 |
| { |
253 |
1
| try
|
254 |
| { |
255 |
1
| Lock rlock = lock_.readLock();
|
256 |
1
| Lock wlock = null;
|
257 |
1
| if (!rlock.tryLock(msecs, TimeUnit.MILLISECONDS))
|
258 |
| { |
259 |
0
| logX(caseNum + "-" + name + " requesting read lock failed!\n");
|
260 |
0
| String str = caseNum + "-" + name + "-RL-0";
|
261 |
0
| postLockingResult(str);
|
262 |
0
| return;
|
263 |
| } |
264 |
| |
265 |
1
| logX(caseNum + "-" + name + " requesting read lock succeeded (upgrade later)!\n");
|
266 |
1
| TestingUtil.sleepThread(SLEEP_MSECS / 2);
|
267 |
1
| String str = caseNum + "-" + name + "-UL-";
|
268 |
?
| if ((wlock = lock_.upgradeLockAttempt(msecs)) == null)
|
269 |
| { |
270 |
0
| logX(caseNum + "-" + name + " requesting upgrade lock failed!\n");
|
271 |
0
| str += "0";
|
272 |
| } |
273 |
| else |
274 |
| { |
275 |
1
| logX(caseNum + "-" + name + " requesting upgrade lock succeeded!\n");
|
276 |
1
| str += "1";
|
277 |
| } |
278 |
1
| postLockingResult(str);
|
279 |
| |
280 |
1
| TestingUtil.sleepThread(SLEEP_MSECS);
|
281 |
1
| if (wlock != null)
|
282 |
| { |
283 |
1
| wlock.unlock();
|
284 |
1
| logX(caseNum + "-" + name + " releasing upgrade lock.\n");
|
285 |
| } |
286 |
1
| rlock.unlock();
|
287 |
| } |
288 |
| catch (Exception ex) |
289 |
| { |
290 |
| } |
291 |
| } |
292 |
| }; |
293 |
| } |
294 |
| |
295 |
| |
296 |
| |
297 |
| |
298 |
| |
299 |
| |
300 |
| |
301 |
| |
302 |
| |
303 |
| |
304 |
| |
305 |
2
| protected void acquireReadLock(final String caseNum, final String name,
|
306 |
| final long msecs, final String errMsg) |
307 |
| { |
308 |
2
| try
|
309 |
| { |
310 |
2
| Lock rlock = lock_.readLock();
|
311 |
2
| if (!rlock.tryLock(msecs, TimeUnit.MILLISECONDS))
|
312 |
| { |
313 |
0
| logX(caseNum + "-" + name + " requesting read lock failed!\n");
|
314 |
0
| String str = caseNum + "-" + name + "-RL-0";
|
315 |
0
| postLockingResult(str);
|
316 |
0
| return;
|
317 |
| } |
318 |
| |
319 |
2
| logX(caseNum + "-" + name + " requesting read lock succeeded!\n");
|
320 |
2
| String str = caseNum + "-" + name + "-RL-1";
|
321 |
2
| postLockingResult(str);
|
322 |
2
| TestingUtil.sleepThread(SLEEP_MSECS);
|
323 |
2
| rlock.unlock();
|
324 |
2
| logX(caseNum + "-" + name + " releasing read lock.\n");
|
325 |
| } |
326 |
| catch (Exception ex) |
327 |
| { |
328 |
| } |
329 |
| } |
330 |
| |
331 |
| |
332 |
| |
333 |
| |
334 |
| |
335 |
4
| protected void acquireWriteLock(final String caseNum, final String name,
|
336 |
| final long msecs, final String errMsg) |
337 |
| { |
338 |
4
| try
|
339 |
| { |
340 |
4
| Lock wlock = lock_.writeLock();
|
341 |
4
| if (!wlock.tryLock(msecs, TimeUnit.MILLISECONDS))
|
342 |
| { |
343 |
0
| logX(caseNum + "-" + name + " requesting write lock failed!\n");
|
344 |
0
| String str = caseNum + "-" + name + "-WL-0";
|
345 |
0
| postLockingResult(str);
|
346 |
0
| return;
|
347 |
| } |
348 |
| |
349 |
4
| logX(caseNum + "-" + name + " requesting write lock succeeded!\n");
|
350 |
4
| String str = caseNum + "-" + name + "-WL-1";
|
351 |
4
| postLockingResult(str);
|
352 |
4
| TestingUtil.sleepThread(SLEEP_MSECS);
|
353 |
4
| wlock.unlock();
|
354 |
4
| logX(caseNum + "-" + name + " releasing write lock.\n");
|
355 |
| } |
356 |
| catch (Exception ex) |
357 |
| { |
358 |
| } |
359 |
| } |
360 |
| |
361 |
| |
362 |
| |
363 |
| |
364 |
| |
365 |
2
| protected void acquireUpgradeLock(final String caseNum, final String name,
|
366 |
| final long msecs, final String errMsg) |
367 |
| { |
368 |
2
| try
|
369 |
| { |
370 |
2
| Lock ulock = null;
|
371 |
?
| if ((ulock = lock_.upgradeLockAttempt(msecs)) == null)
|
372 |
| { |
373 |
0
| logX(caseNum + "-" + name + " requesting upgrade lock failed!\n");
|
374 |
0
| String str = caseNum + "-" + name + "-UL-0";
|
375 |
0
| postLockingResult(str);
|
376 |
0
| return;
|
377 |
| } |
378 |
| |
379 |
2
| logX(caseNum + "-" + name + " requesting upgrade lock succeeded!\n");
|
380 |
2
| String str = caseNum + "-" + name + "-UL-1";
|
381 |
2
| postLockingResult(str);
|
382 |
2
| TestingUtil.sleepThread(SLEEP_MSECS);
|
383 |
2
| ulock.unlock();
|
384 |
2
| logX(caseNum + "-" + name + " releasing upgrade lock.\n");
|
385 |
| } |
386 |
| catch (Exception ex) |
387 |
| { |
388 |
| } |
389 |
| } |
390 |
| |
391 |
| |
392 |
| |
393 |
| |
394 |
| |
395 |
| |
396 |
| |
397 |
11
| protected synchronized void cleanLockingResult()
|
398 |
| { |
399 |
11
| lockResult.removeAllElements();
|
400 |
| } |
401 |
| |
402 |
| |
403 |
| |
404 |
| |
405 |
25
| protected synchronized void postLockingResult(Object obj)
|
406 |
| { |
407 |
25
| logX(" Added *" + obj + "* to the result vector\n");
|
408 |
| |
409 |
| |
410 |
25
| lockResult.addElement(obj);
|
411 |
| } |
412 |
| |
413 |
| |
414 |
| |
415 |
| |
416 |
25
| protected synchronized boolean checkLockingResult(String expected)
|
417 |
| { |
418 |
25
| boolean rc = false;
|
419 |
42
| for (int i = 0; i < lockResult.size(); i++)
|
420 |
| { |
421 |
42
| Object ele = lockResult.elementAt(i);
|
422 |
42
| String str = (String) ele;
|
423 |
42
| if (expected.equals(str))
|
424 |
| { |
425 |
25
| rc = true;
|
426 |
25
| break;
|
427 |
| } |
428 |
| } |
429 |
25
| if (rc)
|
430 |
25
| logX(" Searching for *" + expected + "* SUCCEEDED.\n");
|
431 |
| else |
432 |
0
| logX(" Searching for *" + expected + "* FAILED.\n");
|
433 |
25
| return rc;
|
434 |
| } |
435 |
| |
436 |
| |
437 |
| |
438 |
| |
439 |
| |
440 |
| |
441 |
| |
442 |
1
| public void testWriteWithMultipleReaders() throws Exception
|
443 |
| { |
444 |
1
| String caseNum = "10";
|
445 |
1
| Thread t1 = readThread(caseNum, "t1", 0, SLEEP_MSECS * 2,
|
446 |
| "1st read lock attempt failed", NO_MORE_OP); |
447 |
1
| Thread t2 = readThread(caseNum, "t2", 0, SLEEP_MSECS,
|
448 |
| "2nd read lock attempt failed", INVOKE_WRITE); |
449 |
| |
450 |
1
| t1.start();
|
451 |
1
| t2.start();
|
452 |
1
| t1.join(3000);
|
453 |
1
| t2.join(3000);
|
454 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
455 |
| checkLockingResult(caseNum + "-t2-RL-1") && |
456 |
| checkLockingResult(caseNum + "-t2-WL-1")); |
457 |
1
| cleanLockingResult();
|
458 |
| |
459 |
1
| if (t1.isAlive() || t2.isAlive())
|
460 |
0
| fail("Possible deadlock resulted in testRead.");
|
461 |
| } |
462 |
| |
463 |
| |
464 |
| |
465 |
| |
466 |
1
| public void testUpgradeWithMultipleReadersOn1() throws Exception
|
467 |
| { |
468 |
1
| String caseNum = "11";
|
469 |
1
| Thread t1 = readThread(caseNum, "t1", 0, SLEEP_MSECS,
|
470 |
| "1st read lock attempt failed", INVOKE_WRITE); |
471 |
1
| Thread t2 = readThread(caseNum, "t2", 0, SLEEP_MSECS * 2,
|
472 |
| "2nd read lock attempt failed", NO_MORE_OP); |
473 |
| |
474 |
1
| t1.start();
|
475 |
1
| t2.start();
|
476 |
1
| t1.join(3000);
|
477 |
1
| t2.join(3000);
|
478 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
479 |
| checkLockingResult(caseNum + "-t2-RL-1") && |
480 |
| checkLockingResult(caseNum + "-t1-WL-1")); |
481 |
1
| cleanLockingResult();
|
482 |
| |
483 |
1
| if (t1.isAlive() || t2.isAlive())
|
484 |
0
| fail("Possible deadlock resulted in testRead.");
|
485 |
| } |
486 |
| |
487 |
| |
488 |
| |
489 |
| |
490 |
1
| public void testUpgradeReadLock() throws Exception
|
491 |
| { |
492 |
1
| String caseNum = "2";
|
493 |
1
| Thread t1 = readThread(caseNum, "t1", 0, SLEEP_MSECS,
|
494 |
| "1st read lock attempt failed", INVOKE_UPGRADE); |
495 |
| |
496 |
1
| t1.start();
|
497 |
1
| t1.join(3000);
|
498 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
499 |
| checkLockingResult(caseNum + "-t1-UL-1")); |
500 |
1
| cleanLockingResult();
|
501 |
| } |
502 |
| |
503 |
| |
504 |
| |
505 |
| |
506 |
| |
507 |
1
| public void testReadThenWrite() throws Exception
|
508 |
| { |
509 |
1
| String caseNum = "3";
|
510 |
1
| acquireReadLock(caseNum, "t1", 0, "1st read lock attempt failed");
|
511 |
1
| acquireWriteLock(caseNum, "t1.1", 0, "2nd write lock attempt failed");
|
512 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
513 |
| checkLockingResult(caseNum + "-t1.1-WL-1")); |
514 |
1
| cleanLockingResult();
|
515 |
| } |
516 |
| |
517 |
| |
518 |
| |
519 |
| |
520 |
| |
521 |
| |
522 |
1
| public void testWriteThenRead() throws Exception
|
523 |
| { |
524 |
1
| String caseNum = "5";
|
525 |
1
| acquireWriteLock(caseNum, "t1", 0, "1st write lock attempt failed");
|
526 |
1
| acquireReadLock(caseNum, "t1.1", 0, "2nd read lock attempt failed");
|
527 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-WL-1") &&
|
528 |
| checkLockingResult(caseNum + "-t1.1-RL-1")); |
529 |
1
| cleanLockingResult();
|
530 |
| } |
531 |
| |
532 |
| |
533 |
| |
534 |
| |
535 |
| |
536 |
1
| public void testMultipleReadlock() throws Exception
|
537 |
| { |
538 |
1
| String caseNum = "6";
|
539 |
1
| Thread t1 = readThread(caseNum, "t1", 0, SLEEP_MSECS,
|
540 |
| "1st read lock attempt failed", NO_MORE_OP); |
541 |
1
| Thread t2 = readThread(caseNum, "t2", 0, SLEEP_MSECS,
|
542 |
| "2nd read lock attempt failed", NO_MORE_OP); |
543 |
| |
544 |
1
| t1.start();
|
545 |
1
| t2.start();
|
546 |
1
| t1.join(3000);
|
547 |
1
| t2.join(3000);
|
548 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
549 |
| checkLockingResult(caseNum + "-t2-RL-1")); |
550 |
1
| cleanLockingResult();
|
551 |
| |
552 |
1
| if (t1.isAlive() || t2.isAlive())
|
553 |
0
| fail("Possible deadlock resulted in testRead.");
|
554 |
| } |
555 |
| |
556 |
| |
557 |
| |
558 |
| |
559 |
1
| public void testWriteWithExistingReader() throws Exception
|
560 |
| { |
561 |
1
| String caseNum = "8";
|
562 |
1
| Thread t1 = readThread(caseNum, "t1", 0, SLEEP_MSECS,
|
563 |
| "1st write lock attempt failed", NO_MORE_OP); |
564 |
1
| Thread t2 = writeThread(caseNum, "t2", 0, SLEEP_MSECS,
|
565 |
| "2nd read lock attempt failed", NO_MORE_OP); |
566 |
| |
567 |
1
| t1.start();
|
568 |
1
| t2.start();
|
569 |
1
| t1.join(3000);
|
570 |
1
| t2.join(3000);
|
571 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
572 |
| checkLockingResult(caseNum + "-t2-WL-1")); |
573 |
1
| cleanLockingResult();
|
574 |
| |
575 |
1
| if (t1.isAlive() || t2.isAlive())
|
576 |
0
| fail("Possible deadlock resulted in testRead.");
|
577 |
| } |
578 |
| |
579 |
| |
580 |
| |
581 |
| |
582 |
1
| public void testReadWithExistingWriter() throws Exception
|
583 |
| { |
584 |
1
| String caseNum = "13";
|
585 |
1
| Thread t1 = writeThread(caseNum, "t1", 0, SLEEP_MSECS,
|
586 |
| "1st write lock attempt failed", NO_MORE_OP); |
587 |
1
| Thread t2 = readThread(caseNum, "t2", 0, SLEEP_MSECS,
|
588 |
| "2nd read lock attempt failed", NO_MORE_OP); |
589 |
| |
590 |
1
| t1.start();
|
591 |
1
| t2.start();
|
592 |
1
| t1.join(3000);
|
593 |
1
| t2.join(3000);
|
594 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-WL-1") &&
|
595 |
| checkLockingResult(caseNum + "-t2-RL-0")); |
596 |
1
| cleanLockingResult();
|
597 |
| |
598 |
1
| if (t1.isAlive() || t2.isAlive())
|
599 |
0
| fail("Possible deadlock resulted in testRead.");
|
600 |
| } |
601 |
| |
602 |
| |
603 |
| |
604 |
| |
605 |
1
| public void testMultipleWritelocks() throws Exception
|
606 |
| { |
607 |
1
| String caseNum = "14";
|
608 |
1
| Thread t1 = writeThread(caseNum, "t1", 0, SLEEP_MSECS,
|
609 |
| "1st write lock attempt failed", NO_MORE_OP); |
610 |
1
| Thread t2 = writeThread(caseNum, "t2", 0, SLEEP_MSECS,
|
611 |
| "2nd write lock attempt failed", NO_MORE_OP); |
612 |
| |
613 |
1
| t1.start();
|
614 |
1
| t2.start();
|
615 |
1
| t1.join(3000);
|
616 |
1
| t2.join(3000);
|
617 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-WL-1") &&
|
618 |
| checkLockingResult(caseNum + "-t2-WL-0")); |
619 |
1
| cleanLockingResult();
|
620 |
| |
621 |
1
| if (t1.isAlive() || t2.isAlive())
|
622 |
0
| fail("Possible deadlock resulted in testRead.");
|
623 |
| } |
624 |
| |
625 |
| |
626 |
| |
627 |
| |
628 |
1
| public void testUpgradeWithExistingReader() throws Exception
|
629 |
| { |
630 |
1
| String caseNum = "7";
|
631 |
1
| Thread t1 = readThread(caseNum, "t1", 0, SLEEP_MSECS,
|
632 |
| "1st read lock attempt failed", NO_MORE_OP); |
633 |
1
| Thread t2 = upgradeThread(caseNum, "t2", 0,
|
634 |
| "2nd upgrade lock attempt failed"); |
635 |
| |
636 |
1
| t1.start();
|
637 |
1
| t2.start();
|
638 |
1
| t1.join(3000);
|
639 |
1
| t2.join(3000);
|
640 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
641 |
| checkLockingResult(caseNum + "-t2-UL-1")); |
642 |
1
| cleanLockingResult();
|
643 |
| |
644 |
1
| if (t1.isAlive() || t2.isAlive())
|
645 |
0
| fail("Possible deadlock resulted in testRead.");
|
646 |
| } |
647 |
| |
648 |
| |
649 |
| |
650 |
| |
651 |
1
| public void testUpgradeWithMultipleReaders() throws Exception
|
652 |
| { |
653 |
1
| String caseNum = "9";
|
654 |
1
| Thread t1 = readThread(caseNum, "t1", 0, SLEEP_MSECS * 2,
|
655 |
| "1st read lock attempt failed", NO_MORE_OP); |
656 |
1
| Thread t2 = readThread(caseNum, "t2", 0, SLEEP_MSECS,
|
657 |
| "2nd read lock attempt failed", INVOKE_UPGRADE); |
658 |
| |
659 |
1
| t1.start();
|
660 |
1
| t2.start();
|
661 |
1
| t1.join(3000);
|
662 |
1
| t2.join(3000);
|
663 |
1
| assertTrue(checkLockingResult(caseNum + "-t1-RL-1") &&
|
664 |
| checkLockingResult(caseNum + "-t2-RL-1") && |
665 |
| checkLockingResult(caseNum + "-t2-UL-1")); |
666 |
1
| cleanLockingResult();
|
667 |
| |
668 |
1
| if (t1.isAlive() || t2.isAlive())
|
669 |
0
| fail("Possible deadlock resulted in testRead.");
|
670 |
| } |
671 |
| } |
672 |
| |