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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.82 by jsr166, Mon Jun 16 18:04:07 2014 UTC vs.
Revision 1.97 by jsr166, Wed Dec 31 16:44:01 2014 UTC

#	Line 8 | Line 8
8		import junit.framework.*;
9		import java.util.concurrent.Callable;
10		import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
11		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
12		import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
13		import java.util.concurrent.CompletableFuture;
14		import java.util.concurrent.CompletionException;
15		import java.util.concurrent.CompletionStage;
#	Line 57 | Line 53 | public class CompletableFutureTest exten
53		}
54
55		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
56	<	try {
57	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
56	>	checkTimedGet(f, value);
57	>
58		try {
59		assertEquals(value, f.join());
60		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 76 | Line 71 | public class CompletableFutureTest exten
71		}
72
73		void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
74	+	long startTime = System.nanoTime();
75	+	long timeoutMillis = LONG_DELAY_MS;
76		try {
77	<	f.get(LONG_DELAY_MS, MILLISECONDS);
77	>	f.get(timeoutMillis, MILLISECONDS);
78		shouldThrow();
79		} catch (ExecutionException success) {
80		assertTrue(success.getCause() instanceof CFException);
81		} catch (Throwable fail) { threadUnexpectedException(fail); }
82	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
83	+
84		try {
85		f.join();
86		shouldThrow();
#	Line 107 | Line 106 | public class CompletableFutureTest exten
106
107		<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
108		Throwable ex) {
109	+	long startTime = System.nanoTime();
110	+	long timeoutMillis = LONG_DELAY_MS;
111		try {
112	<	f.get(LONG_DELAY_MS, MILLISECONDS);
112	>	f.get(timeoutMillis, MILLISECONDS);
113		shouldThrow();
114		} catch (ExecutionException success) {
115		assertSame(ex, success.getCause());
116		} catch (Throwable fail) { threadUnexpectedException(fail); }
117	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
118	+
119		try {
120		f.join();
121		shouldThrow();
#	Line 158 | Line 161 | public class CompletableFutureTest exten
161		}
162
163		void checkCancelled(CompletableFuture<?> f) {
164	+	long startTime = System.nanoTime();
165	+	long timeoutMillis = LONG_DELAY_MS;
166		try {
167	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	>	f.get(timeoutMillis, MILLISECONDS);
168		shouldThrow();
169		} catch (CancellationException success) {
170		} catch (Throwable fail) { threadUnexpectedException(fail); }
171	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
172	+
173		try {
174		f.join();
175		shouldThrow();
#	Line 183 | Line 190 | public class CompletableFutureTest exten
190		}
191
192		void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
193	+	long startTime = System.nanoTime();
194	+	long timeoutMillis = LONG_DELAY_MS;
195		try {
196	<	f.get(LONG_DELAY_MS, MILLISECONDS);
196	>	f.get(timeoutMillis, MILLISECONDS);
197		shouldThrow();
198		} catch (ExecutionException success) {
199		assertTrue(success.getCause() instanceof CancellationException);
200		} catch (Throwable fail) { threadUnexpectedException(fail); }
201	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
202	+
203		try {
204		f.join();
205		shouldThrow();
#	Line 569 | Line 580 | public class CompletableFutureTest exten
580		}
581		}
582
583	+	static final boolean defaultExecutorIsCommonPool
584	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
585	+
586		/**
587		* Permits the testing of parallel code for the 3 different
588		* execution modes without copy/pasting all the test methods.
589		*/
590		enum ExecutionMode {
591	<	DEFAULT {
591	>	SYNC {
592		public void checkExecutionMode() {
593		assertFalse(ThreadExecutor.startedCurrentThread());
594		assertNull(ForkJoinTask.getPool());
#	Line 650 | Line 664 | public class CompletableFutureTest exten
664
665		ASYNC {
666		public void checkExecutionMode() {
667	<	assertSame(ForkJoinPool.commonPool(),
668	<	ForkJoinTask.getPool());
667	>	assertEquals(defaultExecutorIsCommonPool,
668	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
669		}
670		public CompletableFuture<Void> runAsync(Runnable a) {
671		return CompletableFuture.runAsync(a);
#	Line 875 | Line 889 | public class CompletableFutureTest exten
889		if (!createIncomplete) f.completeExceptionally(ex);
890		final CompletableFuture<Integer> g = f.exceptionally
891		((Throwable t) -> {
892	<	ExecutionMode.DEFAULT.checkExecutionMode();
892	>	ExecutionMode.SYNC.checkExecutionMode();
893		threadAssertSame(t, ex);
894		a.getAndIncrement();
895		return v1;
#	Line 897 | Line 911 | public class CompletableFutureTest exten
911		if (!createIncomplete) f.completeExceptionally(ex1);
912		final CompletableFuture<Integer> g = f.exceptionally
913		((Throwable t) -> {
914	<	ExecutionMode.DEFAULT.checkExecutionMode();
914	>	ExecutionMode.SYNC.checkExecutionMode();
915		threadAssertSame(t, ex1);
916		a.getAndIncrement();
917		throw ex2;
#	Line 1264 | Line 1278 | public class CompletableFutureTest exten
1278		*/
1279		public void testThenRun_normalCompletion() {
1280		for (ExecutionMode m : ExecutionMode.values())
1267	–	for (boolean createIncomplete : new boolean[] { true, false })
1281		for (Integer v1 : new Integer[] { 1, null })
1282		{
1283		final CompletableFuture<Integer> f = new CompletableFuture<>();
1284	<	final Noop r = new Noop(m);
1285	<	if (!createIncomplete) assertTrue(f.complete(v1));
1273	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1274	<	if (createIncomplete) {
1275	<	checkIncomplete(g);
1276	<	assertTrue(f.complete(v1));
1277	<	}
1284	>	final Noop[] rs = new Noop[6];
1285	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1286
1287	<	checkCompletedNormally(g, null);
1287	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1288	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1289	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1290	>	checkIncomplete(h0);
1291	>	checkIncomplete(h1);
1292	>	checkIncomplete(h2);
1293	>	assertTrue(f.complete(v1));
1294	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1295	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1296	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1297	>
1298	>	checkCompletedNormally(h0, null);
1299	>	checkCompletedNormally(h1, null);
1300	>	checkCompletedNormally(h2, null);
1301	>	checkCompletedNormally(h3, null);
1302	>	checkCompletedNormally(h4, null);
1303	>	checkCompletedNormally(h5, null);
1304		checkCompletedNormally(f, v1);
1305	<	r.assertInvoked();
1305	>	for (Noop r : rs) r.assertInvoked();
1306		}}
1307
1308		/**
#	Line 1287 | Line 1311 | public class CompletableFutureTest exten
1311		*/
1312		public void testThenRun_exceptionalCompletion() {
1313		for (ExecutionMode m : ExecutionMode.values())
1290	–	for (boolean createIncomplete : new boolean[] { true, false })
1314		{
1315		final CFException ex = new CFException();
1316		final CompletableFuture<Integer> f = new CompletableFuture<>();
1317	<	final Noop r = new Noop(m);
1318	<	if (!createIncomplete) f.completeExceptionally(ex);
1296	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1297	<	if (createIncomplete) {
1298	<	checkIncomplete(g);
1299	<	f.completeExceptionally(ex);
1300	<	}
1317	>	final Noop[] rs = new Noop[6];
1318	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1319
1320	<	checkCompletedWithWrappedException(g, ex);
1320	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1321	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1322	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1323	>	checkIncomplete(h0);
1324	>	checkIncomplete(h1);
1325	>	checkIncomplete(h2);
1326	>	assertTrue(f.completeExceptionally(ex));
1327	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1328	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1329	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1330	>
1331	>	checkCompletedWithWrappedException(h0, ex);
1332	>	checkCompletedWithWrappedException(h1, ex);
1333	>	checkCompletedWithWrappedException(h2, ex);
1334	>	checkCompletedWithWrappedException(h3, ex);
1335	>	checkCompletedWithWrappedException(h4, ex);
1336	>	checkCompletedWithWrappedException(h5, ex);
1337		checkCompletedExceptionally(f, ex);
1338	<	r.assertNotInvoked();
1338	>	for (Noop r : rs) r.assertNotInvoked();
1339		}}
1340
1341		/**
#	Line 1309 | Line 1343 | public class CompletableFutureTest exten
1343		*/
1344		public void testThenRun_sourceCancelled() {
1345		for (ExecutionMode m : ExecutionMode.values())
1312	–	for (boolean createIncomplete : new boolean[] { true, false })
1346		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1347		{
1348		final CompletableFuture<Integer> f = new CompletableFuture<>();
1349	<	final Noop r = new Noop(m);
1350	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1318	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1319	<	if (createIncomplete) {
1320	<	checkIncomplete(g);
1321	<	assertTrue(f.cancel(mayInterruptIfRunning));
1322	<	}
1349	>	final Noop[] rs = new Noop[6];
1350	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1351
1352	<	checkCompletedWithWrappedCancellationException(g);
1352	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1353	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1354	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1355	>	checkIncomplete(h0);
1356	>	checkIncomplete(h1);
1357	>	checkIncomplete(h2);
1358	>	assertTrue(f.cancel(mayInterruptIfRunning));
1359	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1360	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1361	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1362	>
1363	>	checkCompletedWithWrappedCancellationException(h0);
1364	>	checkCompletedWithWrappedCancellationException(h1);
1365	>	checkCompletedWithWrappedCancellationException(h2);
1366	>	checkCompletedWithWrappedCancellationException(h3);
1367	>	checkCompletedWithWrappedCancellationException(h4);
1368	>	checkCompletedWithWrappedCancellationException(h5);
1369		checkCancelled(f);
1370	<	r.assertNotInvoked();
1370	>	for (Noop r : rs) r.assertNotInvoked();
1371		}}
1372
1373		/**
#	Line 1331 | Line 1375 | public class CompletableFutureTest exten
1375		*/
1376		public void testThenRun_actionFailed() {
1377		for (ExecutionMode m : ExecutionMode.values())
1334	–	for (boolean createIncomplete : new boolean[] { true, false })
1378		for (Integer v1 : new Integer[] { 1, null })
1379		{
1380		final CompletableFuture<Integer> f = new CompletableFuture<>();
1381	<	final FailingRunnable r = new FailingRunnable(m);
1382	<	if (!createIncomplete) assertTrue(f.complete(v1));
1340	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1341	<	if (createIncomplete) {
1342	<	checkIncomplete(g);
1343	<	assertTrue(f.complete(v1));
1344	<	}
1381	>	final FailingRunnable[] rs = new FailingRunnable[6];
1382	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1383
1384	<	checkCompletedWithWrappedCFException(g);
1384	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1385	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1386	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1387	>	assertTrue(f.complete(v1));
1388	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1389	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1390	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1391	>
1392	>	checkCompletedWithWrappedCFException(h0);
1393	>	checkCompletedWithWrappedCFException(h1);
1394	>	checkCompletedWithWrappedCFException(h2);
1395	>	checkCompletedWithWrappedCFException(h3);
1396	>	checkCompletedWithWrappedCFException(h4);
1397	>	checkCompletedWithWrappedCFException(h5);
1398		checkCompletedNormally(f, v1);
1399		}}
1400
#	Line 1352 | Line 1403 | public class CompletableFutureTest exten
1403		*/
1404		public void testThenApply_normalCompletion() {
1405		for (ExecutionMode m : ExecutionMode.values())
1355	–	for (boolean createIncomplete : new boolean[] { true, false })
1406		for (Integer v1 : new Integer[] { 1, null })
1407		{
1408		final CompletableFuture<Integer> f = new CompletableFuture<>();
1409	<	final IncFunction r = new IncFunction(m);
1410	<	if (!createIncomplete) assertTrue(f.complete(v1));
1361	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1362	<	if (createIncomplete) {
1363	<	checkIncomplete(g);
1364	<	assertTrue(f.complete(v1));
1365	<	}
1409	>	final IncFunction[] rs = new IncFunction[4];
1410	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1411
1412	<	checkCompletedNormally(g, inc(v1));
1412	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1413	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1414	>	checkIncomplete(h0);
1415	>	checkIncomplete(h1);
1416	>	assertTrue(f.complete(v1));
1417	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1418	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1419	>
1420	>	checkCompletedNormally(h0, inc(v1));
1421	>	checkCompletedNormally(h1, inc(v1));
1422	>	checkCompletedNormally(h2, inc(v1));
1423	>	checkCompletedNormally(h3, inc(v1));
1424		checkCompletedNormally(f, v1);
1425	<	r.assertValue(inc(v1));
1425	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1426		}}
1427
1428		/**
#	Line 1375 | Line 1431 | public class CompletableFutureTest exten
1431		*/
1432		public void testThenApply_exceptionalCompletion() {
1433		for (ExecutionMode m : ExecutionMode.values())
1378	–	for (boolean createIncomplete : new boolean[] { true, false })
1434		{
1435		final CFException ex = new CFException();
1436		final CompletableFuture<Integer> f = new CompletableFuture<>();
1437	<	final IncFunction r = new IncFunction(m);
1438	<	if (!createIncomplete) f.completeExceptionally(ex);
1384	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1385	<	if (createIncomplete) {
1386	<	checkIncomplete(g);
1387	<	f.completeExceptionally(ex);
1388	<	}
1437	>	final IncFunction[] rs = new IncFunction[4];
1438	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1439
1440	<	checkCompletedWithWrappedException(g, ex);
1440	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1441	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1442	>	assertTrue(f.completeExceptionally(ex));
1443	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1444	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1445	>
1446	>	checkCompletedWithWrappedException(h0, ex);
1447	>	checkCompletedWithWrappedException(h1, ex);
1448	>	checkCompletedWithWrappedException(h2, ex);
1449	>	checkCompletedWithWrappedException(h3, ex);
1450		checkCompletedExceptionally(f, ex);
1451	<	r.assertNotInvoked();
1451	>	for (IncFunction r : rs) r.assertNotInvoked();
1452		}}
1453
1454		/**
#	Line 1397 | Line 1456 | public class CompletableFutureTest exten
1456		*/
1457		public void testThenApply_sourceCancelled() {
1458		for (ExecutionMode m : ExecutionMode.values())
1400	–	for (boolean createIncomplete : new boolean[] { true, false })
1459		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1460		{
1461		final CompletableFuture<Integer> f = new CompletableFuture<>();
1462	<	final IncFunction r = new IncFunction(m);
1463	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1406	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1407	<	if (createIncomplete) {
1408	<	checkIncomplete(g);
1409	<	assertTrue(f.cancel(mayInterruptIfRunning));
1410	<	}
1462	>	final IncFunction[] rs = new IncFunction[4];
1463	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1464
1465	<	checkCompletedWithWrappedCancellationException(g);
1465	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1466	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1467	>	assertTrue(f.cancel(mayInterruptIfRunning));
1468	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1469	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1470	>
1471	>	checkCompletedWithWrappedCancellationException(h0);
1472	>	checkCompletedWithWrappedCancellationException(h1);
1473	>	checkCompletedWithWrappedCancellationException(h2);
1474	>	checkCompletedWithWrappedCancellationException(h3);
1475		checkCancelled(f);
1476	<	r.assertNotInvoked();
1476	>	for (IncFunction r : rs) r.assertNotInvoked();
1477		}}
1478
1479		/**
#	Line 1419 | Line 1481 | public class CompletableFutureTest exten
1481		*/
1482		public void testThenApply_actionFailed() {
1483		for (ExecutionMode m : ExecutionMode.values())
1422	–	for (boolean createIncomplete : new boolean[] { true, false })
1484		for (Integer v1 : new Integer[] { 1, null })
1485		{
1486		final CompletableFuture<Integer> f = new CompletableFuture<>();
1487	<	final FailingFunction r = new FailingFunction(m);
1488	<	if (!createIncomplete) assertTrue(f.complete(v1));
1428	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1429	<	if (createIncomplete) {
1430	<	checkIncomplete(g);
1431	<	assertTrue(f.complete(v1));
1432	<	}
1487	>	final FailingFunction[] rs = new FailingFunction[4];
1488	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1489
1490	<	checkCompletedWithWrappedCFException(g);
1490	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1491	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1492	>	assertTrue(f.complete(v1));
1493	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1494	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1495	>
1496	>	checkCompletedWithWrappedCFException(h0);
1497	>	checkCompletedWithWrappedCFException(h1);
1498	>	checkCompletedWithWrappedCFException(h2);
1499	>	checkCompletedWithWrappedCFException(h3);
1500		checkCompletedNormally(f, v1);
1501		}}
1502
#	Line 1440 | Line 1505 | public class CompletableFutureTest exten
1505		*/
1506		public void testThenAccept_normalCompletion() {
1507		for (ExecutionMode m : ExecutionMode.values())
1443	–	for (boolean createIncomplete : new boolean[] { true, false })
1508		for (Integer v1 : new Integer[] { 1, null })
1509		{
1510		final CompletableFuture<Integer> f = new CompletableFuture<>();
1511	<	final NoopConsumer r = new NoopConsumer(m);
1512	<	if (!createIncomplete) assertTrue(f.complete(v1));
1449	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1450	<	if (createIncomplete) {
1451	<	checkIncomplete(g);
1452	<	assertTrue(f.complete(v1));
1453	<	}
1511	>	final NoopConsumer[] rs = new NoopConsumer[4];
1512	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1513
1514	<	checkCompletedNormally(g, null);
1515	<	r.assertValue(v1);
1514	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1515	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1516	>	checkIncomplete(h0);
1517	>	checkIncomplete(h1);
1518	>	assertTrue(f.complete(v1));
1519	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1520	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1521	>
1522	>	checkCompletedNormally(h0, null);
1523	>	checkCompletedNormally(h1, null);
1524	>	checkCompletedNormally(h2, null);
1525	>	checkCompletedNormally(h3, null);
1526		checkCompletedNormally(f, v1);
1527	+	for (NoopConsumer r : rs) r.assertValue(v1);
1528		}}
1529
1530		/**
#	Line 1463 | Line 1533 | public class CompletableFutureTest exten
1533		*/
1534		public void testThenAccept_exceptionalCompletion() {
1535		for (ExecutionMode m : ExecutionMode.values())
1466	–	for (boolean createIncomplete : new boolean[] { true, false })
1536		{
1537		final CFException ex = new CFException();
1538		final CompletableFuture<Integer> f = new CompletableFuture<>();
1539	<	final NoopConsumer r = new NoopConsumer(m);
1540	<	if (!createIncomplete) f.completeExceptionally(ex);
1472	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1473	<	if (createIncomplete) {
1474	<	checkIncomplete(g);
1475	<	f.completeExceptionally(ex);
1476	<	}
1539	>	final NoopConsumer[] rs = new NoopConsumer[4];
1540	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1541
1542	<	checkCompletedWithWrappedException(g, ex);
1542	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1543	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1544	>	assertTrue(f.completeExceptionally(ex));
1545	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1546	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1547	>
1548	>	checkCompletedWithWrappedException(h0, ex);
1549	>	checkCompletedWithWrappedException(h1, ex);
1550	>	checkCompletedWithWrappedException(h2, ex);
1551	>	checkCompletedWithWrappedException(h3, ex);
1552		checkCompletedExceptionally(f, ex);
1553	<	r.assertNotInvoked();
1553	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1554		}}
1555
1556		/**
#	Line 1485 | Line 1558 | public class CompletableFutureTest exten
1558		*/
1559		public void testThenAccept_sourceCancelled() {
1560		for (ExecutionMode m : ExecutionMode.values())
1488	–	for (boolean createIncomplete : new boolean[] { true, false })
1561		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1562		{
1563		final CompletableFuture<Integer> f = new CompletableFuture<>();
1564	<	final NoopConsumer r = new NoopConsumer(m);
1565	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1494	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1495	<	if (createIncomplete) {
1496	<	checkIncomplete(g);
1497	<	assertTrue(f.cancel(mayInterruptIfRunning));
1498	<	}
1564	>	final NoopConsumer[] rs = new NoopConsumer[4];
1565	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1566
1567	<	checkCompletedWithWrappedCancellationException(g);
1567	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1568	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1569	>	assertTrue(f.cancel(mayInterruptIfRunning));
1570	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1571	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1572	>
1573	>	checkCompletedWithWrappedCancellationException(h0);
1574	>	checkCompletedWithWrappedCancellationException(h1);
1575	>	checkCompletedWithWrappedCancellationException(h2);
1576	>	checkCompletedWithWrappedCancellationException(h3);
1577		checkCancelled(f);
1578	<	r.assertNotInvoked();
1578	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1579		}}
1580
1581		/**
#	Line 1507 | Line 1583 | public class CompletableFutureTest exten
1583		*/
1584		public void testThenAccept_actionFailed() {
1585		for (ExecutionMode m : ExecutionMode.values())
1510	–	for (boolean createIncomplete : new boolean[] { true, false })
1586		for (Integer v1 : new Integer[] { 1, null })
1587		{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589	<	final FailingConsumer r = new FailingConsumer(m);
1590	<	if (!createIncomplete) f.complete(v1);
1516	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1517	<	if (createIncomplete) {
1518	<	checkIncomplete(g);
1519	<	f.complete(v1);
1520	<	}
1589	>	final FailingConsumer[] rs = new FailingConsumer[4];
1590	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1591
1592	<	checkCompletedWithWrappedCFException(g);
1592	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1593	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1594	>	assertTrue(f.complete(v1));
1595	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1596	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1597	>
1598	>	checkCompletedWithWrappedCFException(h0);
1599	>	checkCompletedWithWrappedCFException(h1);
1600	>	checkCompletedWithWrappedCFException(h2);
1601	>	checkCompletedWithWrappedCFException(h3);
1602		checkCompletedNormally(f, v1);
1603		}}
1604
#	Line 1535 | Line 1614 | public class CompletableFutureTest exten
1614		{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616		final CompletableFuture<Integer> g = new CompletableFuture<>();
1617	<	final SubtractFunction r1 = new SubtractFunction(m);
1618	<	final SubtractFunction r2 = new SubtractFunction(m);
1540	<	final SubtractFunction r3 = new SubtractFunction(m);
1617	>	final SubtractFunction[] rs = new SubtractFunction[6];
1618	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1619
1620		final CompletableFuture<Integer> fst =  fFirst ? f : g;
1621		final CompletableFuture<Integer> snd = !fFirst ? f : g;
1622		final Integer w1 =  fFirst ? v1 : v2;
1623		final Integer w2 = !fFirst ? v1 : v2;
1624
1625	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1625	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1626	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1627		assertTrue(fst.complete(w1));
1628	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1629	<	checkIncomplete(h1);
1630	<	checkIncomplete(h2);
1631	<	r1.assertNotInvoked();
1632	<	r2.assertNotInvoked();
1628	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1629	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1630	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1631	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1632	>	checkCompletedNormally(h1, subtract(w1, w1));
1633	>	checkCompletedNormally(h3, subtract(w1, w1));
1634	>	rs[1].assertValue(subtract(w1, w1));
1635	>	rs[3].assertValue(subtract(w1, w1));
1636		assertTrue(snd.complete(w2));
1637	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1637	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1638
1639	<	checkCompletedNormally(h1, subtract(v1, v2));
1639	>	checkCompletedNormally(h0, subtract(v1, v2));
1640		checkCompletedNormally(h2, subtract(v1, v2));
1641	<	checkCompletedNormally(h3, subtract(v1, v2));
1642	<	r1.assertValue(subtract(v1, v2));
1643	<	r2.assertValue(subtract(v1, v2));
1644	<	r3.assertValue(subtract(v1, v2));
1641	>	checkCompletedNormally(h4, subtract(v1, v2));
1642	>	rs[0].assertValue(subtract(v1, v2));
1643	>	rs[2].assertValue(subtract(v1, v2));
1644	>	rs[4].assertValue(subtract(v1, v2));
1645	>
1646		checkCompletedNormally(f, v1);
1647		checkCompletedNormally(g, v2);
1648		}}
#	Line 2922 | Line 3005 | public class CompletableFutureTest exten
3005		* when all components complete normally
3006		*/
3007		public void testAllOf_normal() throws Exception {
3008	<	for (int k = 1; k < 20; ++k) {
3008	>	for (int k = 1; k < 10; k++) {
3009		CompletableFuture<Integer>[] fs
3010		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3011	<	for (int i = 0; i < k; ++i)
3011	>	for (int i = 0; i < k; i++)
3012		fs[i] = new CompletableFuture<>();
3013		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3014	<	for (int i = 0; i < k; ++i) {
3014	>	for (int i = 0; i < k; i++) {
3015		checkIncomplete(f);
3016		checkIncomplete(CompletableFuture.allOf(fs));
3017		fs[i].complete(one);
#	Line 2939 | Line 3022 | public class CompletableFutureTest exten
3022		}
3023
3024		public void testAllOf_backwards() throws Exception {
3025	<	for (int k = 1; k < 20; ++k) {
3025	>	for (int k = 1; k < 10; k++) {
3026		CompletableFuture<Integer>[] fs
3027		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3028	<	for (int i = 0; i < k; ++i)
3028	>	for (int i = 0; i < k; i++)
3029		fs[i] = new CompletableFuture<>();
3030		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3031		for (int i = k - 1; i >= 0; i--) {
#	Line 2955 | Line 3038 | public class CompletableFutureTest exten
3038		}
3039		}
3040
3041	+	public void testAllOf_exceptional() throws Exception {
3042	+	for (int k = 1; k < 10; k++) {
3043	+	CompletableFuture<Integer>[] fs
3044	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3045	+	CFException ex = new CFException();
3046	+	for (int i = 0; i < k; i++)
3047	+	fs[i] = new CompletableFuture<>();
3048	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3049	+	for (int i = 0; i < k; i++) {
3050	+	checkIncomplete(f);
3051	+	checkIncomplete(CompletableFuture.allOf(fs));
3052	+	if (i != k/2) {
3053	+	fs[i].complete(i);
3054	+	checkCompletedNormally(fs[i], i);
3055	+	} else {
3056	+	fs[i].completeExceptionally(ex);
3057	+	checkCompletedExceptionally(fs[i], ex);
3058	+	}
3059	+	}
3060	+	checkCompletedWithWrappedException(f, ex);
3061	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3062	+	}
3063	+	}
3064	+
3065		/**
3066		* anyOf(no component futures) returns an incomplete future
3067		*/
3068		public void testAnyOf_empty() throws Exception {
3069	+	for (Integer v1 : new Integer[] { 1, null })
3070	+	{
3071		CompletableFuture<Object> f = CompletableFuture.anyOf();
3072		checkIncomplete(f);
3073	<	}
3073	>
3074	>	f.complete(v1);
3075	>	checkCompletedNormally(f, v1);
3076	>	}}
3077
3078		/**
3079		* anyOf returns a future completed normally with a value when
3080		* a component future does
3081		*/
3082		public void testAnyOf_normal() throws Exception {
3083	<	for (int k = 0; k < 10; ++k) {
3083	>	for (int k = 0; k < 10; k++) {
3084		CompletableFuture[] fs = new CompletableFuture[k];
3085	<	for (int i = 0; i < k; ++i)
3085	>	for (int i = 0; i < k; i++)
3086		fs[i] = new CompletableFuture<>();
3087		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3088		checkIncomplete(f);
3089	<	for (int i = 0; i < k; ++i) {
3090	<	fs[i].complete(one);
3091	<	checkCompletedNormally(f, one);
3092	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3089	>	for (int i = 0; i < k; i++) {
3090	>	fs[i].complete(i);
3091	>	checkCompletedNormally(f, 0);
3092	>	int x = (int) CompletableFuture.anyOf(fs).join();
3093	>	assertTrue(0 <= x && x <= i);
3094	>	}
3095	>	}
3096	>	}
3097	>	public void testAnyOf_normal_backwards() throws Exception {
3098	>	for (int k = 0; k < 10; k++) {
3099	>	CompletableFuture[] fs = new CompletableFuture[k];
3100	>	for (int i = 0; i < k; i++)
3101	>	fs[i] = new CompletableFuture<>();
3102	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3103	>	checkIncomplete(f);
3104	>	for (int i = k - 1; i >= 0; i--) {
3105	>	fs[i].complete(i);
3106	>	checkCompletedNormally(f, k - 1);
3107	>	int x = (int) CompletableFuture.anyOf(fs).join();
3108	>	assertTrue(i <= x && x <= k - 1);
3109		}
3110		}
3111		}
#	Line 2986 | Line 3114 | public class CompletableFutureTest exten
3114		* anyOf result completes exceptionally when any component does.
3115		*/
3116		public void testAnyOf_exceptional() throws Exception {
3117	<	for (int k = 0; k < 10; ++k) {
3117	>	for (int k = 0; k < 10; k++) {
3118	>	CompletableFuture[] fs = new CompletableFuture[k];
3119	>	CFException[] exs = new CFException[k];
3120	>	for (int i = 0; i < k; i++) {
3121	>	fs[i] = new CompletableFuture<>();
3122	>	exs[i] = new CFException();
3123	>	}
3124	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3125	>	checkIncomplete(f);
3126	>	for (int i = 0; i < k; i++) {
3127	>	fs[i].completeExceptionally(exs[i]);
3128	>	checkCompletedWithWrappedException(f, exs[0]);
3129	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3130	>	}
3131	>	}
3132	>	}
3133	>
3134	>	public void testAnyOf_exceptional_backwards() throws Exception {
3135	>	for (int k = 0; k < 10; k++) {
3136		CompletableFuture[] fs = new CompletableFuture[k];
3137	<	for (int i = 0; i < k; ++i)
3137	>	CFException[] exs = new CFException[k];
3138	>	for (int i = 0; i < k; i++) {
3139		fs[i] = new CompletableFuture<>();
3140	+	exs[i] = new CFException();
3141	+	}
3142		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3143		checkIncomplete(f);
3144	<	for (int i = 0; i < k; ++i) {
3145	<	fs[i].completeExceptionally(new CFException());
3146	<	checkCompletedWithWrappedCFException(f);
3144	>	for (int i = k - 1; i >= 0; i--) {
3145	>	fs[i].completeExceptionally(exs[i]);
3146	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3147		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3148		}
3149		}
#	Line 3013 | Line 3162 | public class CompletableFutureTest exten
3162		Runnable[] throwingActions = {
3163		() -> CompletableFuture.supplyAsync(null),
3164		() -> CompletableFuture.supplyAsync(null, exec),
3165	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3165	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3166
3167		() -> CompletableFuture.runAsync(null),
3168		() -> CompletableFuture.runAsync(null, exec),
#	Line 3133 | Line 3282 | public class CompletableFutureTest exten
3282		if (!testImplementationDetails) return;
3283		for (ExecutionMode m : ExecutionMode.values())
3284		{
3285	<	final CompletableFuture<Void> f = new CompletableFuture<>();
3286	<	CFException ex = new CFException();
3287	<	f.completeExceptionally(ex);
3288	<	final CompletableFuture<Void> g = f.thenRun(new Noop(m));
3289	<	checkCompletedWithWrappedException(g, ex);
3290	<	final CompletableFuture<Void> h = g.thenRun(new Noop(m));
3291	<	checkCompletedWithWrappedException(h, ex);
3292	<	assertSame(resultOf(g), resultOf(h));
3293	<	}}
3294	<
3295	<	//     public void testRunAfterEither_resultDeterminedAtTimeOfCreation() {
3296	<	//         for (ExecutionMode m : ExecutionMode.values())
3297	<	//         for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3298	<	//         for (Integer v1 : new Integer[] { 1, null })
3299	<	//     {
3300	<	//         final CompletableFuture<Integer> f = new CompletableFuture<>();
3301	<	//         final CompletableFuture<Integer> g = new CompletableFuture<>();
3302	<	//         final Noop[] rs = new Noop[2];
3303	<	//         for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
3304	<	//         f.complete(v1);
3305	<	//         final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3306	<	//         final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3307	<	//         assertTrue(g.cancel(mayInterruptIfRunning));
3308	<	//         checkCompletedNormally(h0, null);
3309	<	//         checkCompletedNormally(h1, null);
3310	<	//         for (Noop r : rs) r.assertInvoked();
3311	<	//     }}
3285	>	final CFException ex = new CFException();
3286	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3287	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3288	>
3289	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3290	>	= new ArrayList<>();
3291	>
3292	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3293	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3294	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3295	>
3296	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3297	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3298	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3299	>
3300	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3301	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3302	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3303	>
3304	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3305	>
3306	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3307	>
3308	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3309	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3310	>
3311	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3312	>	fun : funs) {
3313	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3314	>	f.completeExceptionally(ex);
3315	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3316	>	checkCompletedWithWrappedException(src, ex);
3317	>	CompletableFuture<?> dep = fun.apply(src);
3318	>	checkCompletedWithWrappedException(dep, ex);
3319	>	assertSame(resultOf(src), resultOf(dep));
3320	>	}
3321	>
3322	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3323	>	fun : funs) {
3324	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3325	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3326	>	CompletableFuture<?> dep = fun.apply(src);
3327	>	f.completeExceptionally(ex);
3328	>	checkCompletedWithWrappedException(src, ex);
3329	>	checkCompletedWithWrappedException(dep, ex);
3330	>	assertSame(resultOf(src), resultOf(dep));
3331	>	}
3332	>
3333	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3334	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3335	>	fun : funs) {
3336	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3337	>	f.cancel(mayInterruptIfRunning);
3338	>	checkCancelled(f);
3339	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3340	>	checkCompletedWithWrappedCancellationException(src);
3341	>	CompletableFuture<?> dep = fun.apply(src);
3342	>	checkCompletedWithWrappedCancellationException(dep);
3343	>	assertSame(resultOf(src), resultOf(dep));
3344	>	}
3345	>
3346	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3347	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3348	>	fun : funs) {
3349	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3350	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3351	>	CompletableFuture<?> dep = fun.apply(src);
3352	>	f.cancel(mayInterruptIfRunning);
3353	>	checkCancelled(f);
3354	>	checkCompletedWithWrappedCancellationException(src);
3355	>	checkCompletedWithWrappedCancellationException(dep);
3356	>	assertSame(resultOf(src), resultOf(dep));
3357	>	}
3358	>	}}
3359
3360		}

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