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root/jsr166/jsr166/src/test/tck/ForkJoinPool8Test.java

Comparing jsr166/src/test/tck/ForkJoinPool8Test.java (file contents):
Revision 1.10 by jsr166, Sun Jul 14 16:36:37 2013 UTC vs.
Revision 1.28 by jsr166, Wed Dec 31 16:44:01 2014 UTC

#	Line 9 | Line 9 | import java.util.concurrent.Cancellation
9		import java.util.concurrent.ExecutionException;
10		import java.util.concurrent.ForkJoinPool;
11		import java.util.concurrent.ForkJoinTask;
12	–	import java.util.concurrent.ForkJoinWorkerThread;
12		import java.util.concurrent.RecursiveAction;
13		import java.util.concurrent.CountedCompleter;
15	–	import java.util.concurrent.ThreadLocalRandom;
16	–	import java.util.concurrent.TimeUnit;
14		import java.util.concurrent.TimeoutException;
15		import static java.util.concurrent.TimeUnit.SECONDS;
16		import static java.util.concurrent.TimeUnit.MILLISECONDS;
20	–	import java.util.Arrays;
17		import java.util.HashSet;
18
19		public class ForkJoinPool8Test extends JSR166TestCase {
#	Line 479 | Line 475 | public class ForkJoinPool8Test extends J
475		FailingFibAction f = new FailingFibAction(8);
476		assertSame(f, f.fork());
477		try {
478	<	f.get(5L, TimeUnit.SECONDS);
478	>	f.get(5L, SECONDS);
479		shouldThrow();
480		} catch (ExecutionException success) {
481		Throwable cause = success.getCause();
#	Line 1462 | Line 1458 | public class ForkJoinPool8Test extends J
1458		}
1459
1460		/**
1461	<	* invokeAll(collection)  throws exception if any task does
1461	>	* invokeAll(collection) throws exception if any task does
1462		*/
1463		public void testAbnormalInvokeAllCollectionCC() {
1464		ForkJoinTask a = new CheckedRecursiveAction() {
#	Line 1484 | Line 1480 | public class ForkJoinPool8Test extends J
1480		checkInvoke(a);
1481		}
1482
1483	+	/**
1484	+	* awaitQuiescence by a worker is equivalent in effect to
1485	+	* ForkJoinTask.helpQuiesce()
1486	+	*/
1487	+	public void testAwaitQuiescence1() throws Exception {
1488	+	final ForkJoinPool p = new ForkJoinPool();
1489	+	try {
1490	+	final long startTime = System.nanoTime();
1491	+	assertTrue(p.isQuiescent());
1492	+	ForkJoinTask a = new CheckedRecursiveAction() {
1493	+	protected void realCompute() {
1494	+	FibAction f = new FibAction(8);
1495	+	assertSame(f, f.fork());
1496	+	assertSame(p, ForkJoinTask.getPool());
1497	+	boolean quiescent = p.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS);
1498	+	assertTrue(quiescent);
1499	+	assertFalse(p.isQuiescent());
1500	+	while (!f.isDone()) {
1501	+	assertFalse(p.getAsyncMode());
1502	+	assertFalse(p.isShutdown());
1503	+	assertFalse(p.isTerminating());
1504	+	assertFalse(p.isTerminated());
1505	+	Thread.yield();
1506	+	}
1507	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1508	+	assertFalse(p.isQuiescent());
1509	+	assertEquals(0, ForkJoinTask.getQueuedTaskCount());
1510	+	assertEquals(21, f.result);
1511	+	}};
1512	+	p.execute(a);
1513	+	while (!a.isDone() || !p.isQuiescent()) {
1514	+	assertFalse(p.getAsyncMode());
1515	+	assertFalse(p.isShutdown());
1516	+	assertFalse(p.isTerminating());
1517	+	assertFalse(p.isTerminated());
1518	+	Thread.yield();
1519	+	}
1520	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1521	+	assertEquals(0, p.getQueuedTaskCount());
1522	+	assertFalse(p.getAsyncMode());
1523	+	assertEquals(0, p.getActiveThreadCount());
1524	+	assertEquals(0, p.getQueuedTaskCount());
1525	+	assertEquals(0, p.getQueuedSubmissionCount());
1526	+	assertFalse(p.hasQueuedSubmissions());
1527	+	assertFalse(p.isShutdown());
1528	+	assertFalse(p.isTerminating());
1529	+	assertFalse(p.isTerminated());
1530	+	} finally {
1531	+	joinPool(p);
1532	+	}
1533	+	}
1534	+
1535	+	/**
1536	+	* awaitQuiescence returns when pool isQuiescent() or the indicated
1537	+	* timeout elapsed
1538	+	*/
1539	+	public void testAwaitQuiescence2() throws Exception {
1540	+	/**
1541	+	* """It is possible to disable or limit the use of threads in the
1542	+	* common pool by setting the parallelism property to zero. However
1543	+	* doing so may cause unjoined tasks to never be executed."""
1544	+	*/
1545	+	if ("0".equals(System.getProperty(
1546	+	"java.util.concurrent.ForkJoinPool.common.parallelism")))
1547	+	return;
1548	+	final ForkJoinPool p = new ForkJoinPool();
1549	+	try {
1550	+	assertTrue(p.isQuiescent());
1551	+	final long startTime = System.nanoTime();
1552	+	ForkJoinTask a = new CheckedRecursiveAction() {
1553	+	protected void realCompute() {
1554	+	FibAction f = new FibAction(8);
1555	+	assertSame(f, f.fork());
1556	+	while (!f.isDone()
1557	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS) {
1558	+	assertFalse(p.getAsyncMode());
1559	+	assertFalse(p.isShutdown());
1560	+	assertFalse(p.isTerminating());
1561	+	assertFalse(p.isTerminated());
1562	+	Thread.yield();
1563	+	}
1564	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1565	+	assertEquals(0, ForkJoinTask.getQueuedTaskCount());
1566	+	assertEquals(21, f.result);
1567	+	}};
1568	+	p.execute(a);
1569	+	assertTrue(p.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS));
1570	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1571	+	assertTrue(p.isQuiescent());
1572	+	assertTrue(a.isDone());
1573	+	assertEquals(0, p.getQueuedTaskCount());
1574	+	assertFalse(p.getAsyncMode());
1575	+	assertEquals(0, p.getActiveThreadCount());
1576	+	assertEquals(0, p.getQueuedTaskCount());
1577	+	assertEquals(0, p.getQueuedSubmissionCount());
1578	+	assertFalse(p.hasQueuedSubmissions());
1579	+	assertFalse(p.isShutdown());
1580	+	assertFalse(p.isTerminating());
1581	+	assertFalse(p.isTerminated());
1582	+	} finally {
1583	+	joinPool(p);
1584	+	}
1585	+	}
1586	+
1587		}

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