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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.79 by jsr166, Mon Jun 16 17:08:15 2014 UTC vs.
Revision 1.98 by jsr166, Wed Dec 31 19:05:42 2014 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>
11	>	import java.util.ArrayList;
12	>	import java.util.List;
13	>	import java.util.Objects;
14		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
15		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
16		import java.util.concurrent.CompletableFuture;
17		import java.util.concurrent.CompletionException;
18		import java.util.concurrent.CompletionStage;
19	+	import java.util.concurrent.ExecutionException;
20	+	import java.util.concurrent.Executor;
21		import java.util.concurrent.ForkJoinPool;
22		import java.util.concurrent.ForkJoinTask;
23		import java.util.concurrent.TimeoutException;
24		import java.util.concurrent.atomic.AtomicInteger;
24	–	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	–	import static java.util.concurrent.TimeUnit.SECONDS;
26	–	import java.util.*;
27	–	import java.util.function.Supplier;
28	–	import java.util.function.Consumer;
25		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
26		import java.util.function.BiFunction;
27	+	import java.util.function.Consumer;
28	+	import java.util.function.Function;
29	+	import java.util.function.Supplier;
30	+
31	+	import junit.framework.Test;
32	+	import junit.framework.TestSuite;
33
34		public class CompletableFutureTest extends JSR166TestCase {
35
#	Line 57 | Line 58 | public class CompletableFutureTest exten
58		}
59
60		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
61	<	try {
62	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
61	>	checkTimedGet(f, value);
62	>
63		try {
64		assertEquals(value, f.join());
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 76 | Line 76 | public class CompletableFutureTest exten
76		}
77
78		void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
79	+	long startTime = System.nanoTime();
80	+	long timeoutMillis = LONG_DELAY_MS;
81		try {
82	<	f.get(LONG_DELAY_MS, MILLISECONDS);
82	>	f.get(timeoutMillis, MILLISECONDS);
83		shouldThrow();
84		} catch (ExecutionException success) {
85		assertTrue(success.getCause() instanceof CFException);
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
88	+
89		try {
90		f.join();
91		shouldThrow();
#	Line 107 | Line 111 | public class CompletableFutureTest exten
111
112		<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
113		Throwable ex) {
114	+	long startTime = System.nanoTime();
115	+	long timeoutMillis = LONG_DELAY_MS;
116		try {
117	<	f.get(LONG_DELAY_MS, MILLISECONDS);
117	>	f.get(timeoutMillis, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120		assertSame(ex, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
123	+
124		try {
125		f.join();
126		shouldThrow();
#	Line 158 | Line 166 | public class CompletableFutureTest exten
166		}
167
168		void checkCancelled(CompletableFuture<?> f) {
169	+	long startTime = System.nanoTime();
170	+	long timeoutMillis = LONG_DELAY_MS;
171		try {
172	<	f.get(LONG_DELAY_MS, MILLISECONDS);
172	>	f.get(timeoutMillis, MILLISECONDS);
173		shouldThrow();
174		} catch (CancellationException success) {
175		} catch (Throwable fail) { threadUnexpectedException(fail); }
176	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
177	+
178		try {
179		f.join();
180		shouldThrow();
#	Line 183 | Line 195 | public class CompletableFutureTest exten
195		}
196
197		void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
198	+	long startTime = System.nanoTime();
199	+	long timeoutMillis = LONG_DELAY_MS;
200		try {
201	<	f.get(LONG_DELAY_MS, MILLISECONDS);
201	>	f.get(timeoutMillis, MILLISECONDS);
202		shouldThrow();
203		} catch (ExecutionException success) {
204		assertTrue(success.getCause() instanceof CancellationException);
205		} catch (Throwable fail) { threadUnexpectedException(fail); }
206	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
207	+
208		try {
209		f.join();
210		shouldThrow();
#	Line 569 | Line 585 | public class CompletableFutureTest exten
585		}
586		}
587
588	+	static final boolean defaultExecutorIsCommonPool
589	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
590	+
591		/**
592		* Permits the testing of parallel code for the 3 different
593		* execution modes without copy/pasting all the test methods.
594		*/
595		enum ExecutionMode {
596	<	DEFAULT {
596	>	SYNC {
597		public void checkExecutionMode() {
598		assertFalse(ThreadExecutor.startedCurrentThread());
599		assertNull(ForkJoinTask.getPool());
#	Line 650 | Line 669 | public class CompletableFutureTest exten
669
670		ASYNC {
671		public void checkExecutionMode() {
672	<	assertSame(ForkJoinPool.commonPool(),
673	<	ForkJoinTask.getPool());
672	>	assertEquals(defaultExecutorIsCommonPool,
673	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
674		}
675		public CompletableFuture<Void> runAsync(Runnable a) {
676		return CompletableFuture.runAsync(a);
#	Line 875 | Line 894 | public class CompletableFutureTest exten
894		if (!createIncomplete) f.completeExceptionally(ex);
895		final CompletableFuture<Integer> g = f.exceptionally
896		((Throwable t) -> {
897	<	ExecutionMode.DEFAULT.checkExecutionMode();
897	>	ExecutionMode.SYNC.checkExecutionMode();
898		threadAssertSame(t, ex);
899		a.getAndIncrement();
900		return v1;
#	Line 897 | Line 916 | public class CompletableFutureTest exten
916		if (!createIncomplete) f.completeExceptionally(ex1);
917		final CompletableFuture<Integer> g = f.exceptionally
918		((Throwable t) -> {
919	<	ExecutionMode.DEFAULT.checkExecutionMode();
919	>	ExecutionMode.SYNC.checkExecutionMode();
920		threadAssertSame(t, ex1);
921		a.getAndIncrement();
922		throw ex2;
#	Line 1264 | Line 1283 | public class CompletableFutureTest exten
1283		*/
1284		public void testThenRun_normalCompletion() {
1285		for (ExecutionMode m : ExecutionMode.values())
1267	–	for (boolean createIncomplete : new boolean[] { true, false })
1286		for (Integer v1 : new Integer[] { 1, null })
1287		{
1288		final CompletableFuture<Integer> f = new CompletableFuture<>();
1289	<	final Noop r = new Noop(m);
1290	<	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	<	}
1289	>	final Noop[] rs = new Noop[6];
1290	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1291
1292	<	checkCompletedNormally(g, null);
1292	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1293	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1294	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1295	>	checkIncomplete(h0);
1296	>	checkIncomplete(h1);
1297	>	checkIncomplete(h2);
1298	>	assertTrue(f.complete(v1));
1299	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1300	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1301	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1302	>
1303	>	checkCompletedNormally(h0, null);
1304	>	checkCompletedNormally(h1, null);
1305	>	checkCompletedNormally(h2, null);
1306	>	checkCompletedNormally(h3, null);
1307	>	checkCompletedNormally(h4, null);
1308	>	checkCompletedNormally(h5, null);
1309		checkCompletedNormally(f, v1);
1310	<	r.assertInvoked();
1310	>	for (Noop r : rs) r.assertInvoked();
1311		}}
1312
1313		/**
#	Line 1287 | Line 1316 | public class CompletableFutureTest exten
1316		*/
1317		public void testThenRun_exceptionalCompletion() {
1318		for (ExecutionMode m : ExecutionMode.values())
1290	–	for (boolean createIncomplete : new boolean[] { true, false })
1319		{
1320		final CFException ex = new CFException();
1321		final CompletableFuture<Integer> f = new CompletableFuture<>();
1322	<	final Noop r = new Noop(m);
1323	<	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	<	}
1322	>	final Noop[] rs = new Noop[6];
1323	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1324
1325	<	checkCompletedWithWrappedException(g, ex);
1325	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1326	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1327	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1328	>	checkIncomplete(h0);
1329	>	checkIncomplete(h1);
1330	>	checkIncomplete(h2);
1331	>	assertTrue(f.completeExceptionally(ex));
1332	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1333	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1334	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1335	>
1336	>	checkCompletedWithWrappedException(h0, ex);
1337	>	checkCompletedWithWrappedException(h1, ex);
1338	>	checkCompletedWithWrappedException(h2, ex);
1339	>	checkCompletedWithWrappedException(h3, ex);
1340	>	checkCompletedWithWrappedException(h4, ex);
1341	>	checkCompletedWithWrappedException(h5, ex);
1342		checkCompletedExceptionally(f, ex);
1343	<	r.assertNotInvoked();
1343	>	for (Noop r : rs) r.assertNotInvoked();
1344		}}
1345
1346		/**
#	Line 1309 | Line 1348 | public class CompletableFutureTest exten
1348		*/
1349		public void testThenRun_sourceCancelled() {
1350		for (ExecutionMode m : ExecutionMode.values())
1312	–	for (boolean createIncomplete : new boolean[] { true, false })
1351		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1352		{
1353		final CompletableFuture<Integer> f = new CompletableFuture<>();
1354	<	final Noop r = new Noop(m);
1355	<	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	<	}
1354	>	final Noop[] rs = new Noop[6];
1355	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1356
1357	<	checkCompletedWithWrappedCancellationException(g);
1357	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1358	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1359	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1360	>	checkIncomplete(h0);
1361	>	checkIncomplete(h1);
1362	>	checkIncomplete(h2);
1363	>	assertTrue(f.cancel(mayInterruptIfRunning));
1364	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1365	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1366	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1367	>
1368	>	checkCompletedWithWrappedCancellationException(h0);
1369	>	checkCompletedWithWrappedCancellationException(h1);
1370	>	checkCompletedWithWrappedCancellationException(h2);
1371	>	checkCompletedWithWrappedCancellationException(h3);
1372	>	checkCompletedWithWrappedCancellationException(h4);
1373	>	checkCompletedWithWrappedCancellationException(h5);
1374		checkCancelled(f);
1375	<	r.assertNotInvoked();
1375	>	for (Noop r : rs) r.assertNotInvoked();
1376		}}
1377
1378		/**
#	Line 1331 | Line 1380 | public class CompletableFutureTest exten
1380		*/
1381		public void testThenRun_actionFailed() {
1382		for (ExecutionMode m : ExecutionMode.values())
1334	–	for (boolean createIncomplete : new boolean[] { true, false })
1383		for (Integer v1 : new Integer[] { 1, null })
1384		{
1385		final CompletableFuture<Integer> f = new CompletableFuture<>();
1386	<	final FailingRunnable r = new FailingRunnable(m);
1387	<	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	<	}
1386	>	final FailingRunnable[] rs = new FailingRunnable[6];
1387	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1388
1389	<	checkCompletedWithWrappedCFException(g);
1389	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1390	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1391	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1392	>	assertTrue(f.complete(v1));
1393	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1394	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1395	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1396	>
1397	>	checkCompletedWithWrappedCFException(h0);
1398	>	checkCompletedWithWrappedCFException(h1);
1399	>	checkCompletedWithWrappedCFException(h2);
1400	>	checkCompletedWithWrappedCFException(h3);
1401	>	checkCompletedWithWrappedCFException(h4);
1402	>	checkCompletedWithWrappedCFException(h5);
1403		checkCompletedNormally(f, v1);
1404		}}
1405
#	Line 1352 | Line 1408 | public class CompletableFutureTest exten
1408		*/
1409		public void testThenApply_normalCompletion() {
1410		for (ExecutionMode m : ExecutionMode.values())
1355	–	for (boolean createIncomplete : new boolean[] { true, false })
1411		for (Integer v1 : new Integer[] { 1, null })
1412		{
1413		final CompletableFuture<Integer> f = new CompletableFuture<>();
1414	<	final IncFunction r = new IncFunction(m);
1415	<	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	<	}
1414	>	final IncFunction[] rs = new IncFunction[4];
1415	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1416
1417	<	checkCompletedNormally(g, inc(v1));
1417	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1418	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1419	>	checkIncomplete(h0);
1420	>	checkIncomplete(h1);
1421	>	assertTrue(f.complete(v1));
1422	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1423	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1424	>
1425	>	checkCompletedNormally(h0, inc(v1));
1426	>	checkCompletedNormally(h1, inc(v1));
1427	>	checkCompletedNormally(h2, inc(v1));
1428	>	checkCompletedNormally(h3, inc(v1));
1429		checkCompletedNormally(f, v1);
1430	<	r.assertValue(inc(v1));
1430	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1431		}}
1432
1433		/**
#	Line 1375 | Line 1436 | public class CompletableFutureTest exten
1436		*/
1437		public void testThenApply_exceptionalCompletion() {
1438		for (ExecutionMode m : ExecutionMode.values())
1378	–	for (boolean createIncomplete : new boolean[] { true, false })
1439		{
1440		final CFException ex = new CFException();
1441		final CompletableFuture<Integer> f = new CompletableFuture<>();
1442	<	final IncFunction r = new IncFunction(m);
1443	<	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	<	}
1442	>	final IncFunction[] rs = new IncFunction[4];
1443	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1444
1445	<	checkCompletedWithWrappedException(g, ex);
1445	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1446	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1447	>	assertTrue(f.completeExceptionally(ex));
1448	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1449	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1450	>
1451	>	checkCompletedWithWrappedException(h0, ex);
1452	>	checkCompletedWithWrappedException(h1, ex);
1453	>	checkCompletedWithWrappedException(h2, ex);
1454	>	checkCompletedWithWrappedException(h3, ex);
1455		checkCompletedExceptionally(f, ex);
1456	<	r.assertNotInvoked();
1456	>	for (IncFunction r : rs) r.assertNotInvoked();
1457		}}
1458
1459		/**
#	Line 1397 | Line 1461 | public class CompletableFutureTest exten
1461		*/
1462		public void testThenApply_sourceCancelled() {
1463		for (ExecutionMode m : ExecutionMode.values())
1400	–	for (boolean createIncomplete : new boolean[] { true, false })
1464		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1465		{
1466		final CompletableFuture<Integer> f = new CompletableFuture<>();
1467	<	final IncFunction r = new IncFunction(m);
1468	<	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	<	}
1467	>	final IncFunction[] rs = new IncFunction[4];
1468	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1469
1470	<	checkCompletedWithWrappedCancellationException(g);
1470	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1471	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1472	>	assertTrue(f.cancel(mayInterruptIfRunning));
1473	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1474	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1475	>
1476	>	checkCompletedWithWrappedCancellationException(h0);
1477	>	checkCompletedWithWrappedCancellationException(h1);
1478	>	checkCompletedWithWrappedCancellationException(h2);
1479	>	checkCompletedWithWrappedCancellationException(h3);
1480		checkCancelled(f);
1481	<	r.assertNotInvoked();
1481	>	for (IncFunction r : rs) r.assertNotInvoked();
1482		}}
1483
1484		/**
#	Line 1419 | Line 1486 | public class CompletableFutureTest exten
1486		*/
1487		public void testThenApply_actionFailed() {
1488		for (ExecutionMode m : ExecutionMode.values())
1422	–	for (boolean createIncomplete : new boolean[] { true, false })
1489		for (Integer v1 : new Integer[] { 1, null })
1490		{
1491		final CompletableFuture<Integer> f = new CompletableFuture<>();
1492	<	final FailingFunction r = new FailingFunction(m);
1493	<	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	<	}
1492	>	final FailingFunction[] rs = new FailingFunction[4];
1493	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1494
1495	<	checkCompletedWithWrappedCFException(g);
1495	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1496	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1497	>	assertTrue(f.complete(v1));
1498	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1499	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1500	>
1501	>	checkCompletedWithWrappedCFException(h0);
1502	>	checkCompletedWithWrappedCFException(h1);
1503	>	checkCompletedWithWrappedCFException(h2);
1504	>	checkCompletedWithWrappedCFException(h3);
1505		checkCompletedNormally(f, v1);
1506		}}
1507
#	Line 1440 | Line 1510 | public class CompletableFutureTest exten
1510		*/
1511		public void testThenAccept_normalCompletion() {
1512		for (ExecutionMode m : ExecutionMode.values())
1443	–	for (boolean createIncomplete : new boolean[] { true, false })
1513		for (Integer v1 : new Integer[] { 1, null })
1514		{
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final NoopConsumer r = new NoopConsumer(m);
1517	<	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	<	}
1516	>	final NoopConsumer[] rs = new NoopConsumer[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1518
1519	<	checkCompletedNormally(g, null);
1520	<	r.assertValue(v1);
1519	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1520	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1521	>	checkIncomplete(h0);
1522	>	checkIncomplete(h1);
1523	>	assertTrue(f.complete(v1));
1524	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1525	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1526	>
1527	>	checkCompletedNormally(h0, null);
1528	>	checkCompletedNormally(h1, null);
1529	>	checkCompletedNormally(h2, null);
1530	>	checkCompletedNormally(h3, null);
1531		checkCompletedNormally(f, v1);
1532	+	for (NoopConsumer r : rs) r.assertValue(v1);
1533		}}
1534
1535		/**
#	Line 1463 | Line 1538 | public class CompletableFutureTest exten
1538		*/
1539		public void testThenAccept_exceptionalCompletion() {
1540		for (ExecutionMode m : ExecutionMode.values())
1466	–	for (boolean createIncomplete : new boolean[] { true, false })
1541		{
1542		final CFException ex = new CFException();
1543		final CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	final NoopConsumer r = new NoopConsumer(m);
1545	<	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	<	}
1544	>	final NoopConsumer[] rs = new NoopConsumer[4];
1545	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1546
1547	<	checkCompletedWithWrappedException(g, ex);
1547	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1548	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1549	>	assertTrue(f.completeExceptionally(ex));
1550	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1551	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1552	>
1553	>	checkCompletedWithWrappedException(h0, ex);
1554	>	checkCompletedWithWrappedException(h1, ex);
1555	>	checkCompletedWithWrappedException(h2, ex);
1556	>	checkCompletedWithWrappedException(h3, ex);
1557		checkCompletedExceptionally(f, ex);
1558	<	r.assertNotInvoked();
1558	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1559		}}
1560
1561		/**
#	Line 1485 | Line 1563 | public class CompletableFutureTest exten
1563		*/
1564		public void testThenAccept_sourceCancelled() {
1565		for (ExecutionMode m : ExecutionMode.values())
1488	–	for (boolean createIncomplete : new boolean[] { true, false })
1566		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1567		{
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final NoopConsumer r = new NoopConsumer(m);
1570	<	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	<	}
1569	>	final NoopConsumer[] rs = new NoopConsumer[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1571
1572	<	checkCompletedWithWrappedCancellationException(g);
1572	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1573	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1574	>	assertTrue(f.cancel(mayInterruptIfRunning));
1575	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1576	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1577	>
1578	>	checkCompletedWithWrappedCancellationException(h0);
1579	>	checkCompletedWithWrappedCancellationException(h1);
1580	>	checkCompletedWithWrappedCancellationException(h2);
1581	>	checkCompletedWithWrappedCancellationException(h3);
1582		checkCancelled(f);
1583	<	r.assertNotInvoked();
1583	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1584		}}
1585
1586		/**
#	Line 1507 | Line 1588 | public class CompletableFutureTest exten
1588		*/
1589		public void testThenAccept_actionFailed() {
1590		for (ExecutionMode m : ExecutionMode.values())
1510	–	for (boolean createIncomplete : new boolean[] { true, false })
1591		for (Integer v1 : new Integer[] { 1, null })
1592		{
1593		final CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	final FailingConsumer r = new FailingConsumer(m);
1595	<	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	<	}
1594	>	final FailingConsumer[] rs = new FailingConsumer[4];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1596
1597	<	checkCompletedWithWrappedCFException(g);
1597	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1598	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1599	>	assertTrue(f.complete(v1));
1600	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1601	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1602	>
1603	>	checkCompletedWithWrappedCFException(h0);
1604	>	checkCompletedWithWrappedCFException(h1);
1605	>	checkCompletedWithWrappedCFException(h2);
1606	>	checkCompletedWithWrappedCFException(h3);
1607		checkCompletedNormally(f, v1);
1608		}}
1609
#	Line 1535 | Line 1619 | public class CompletableFutureTest exten
1619		{
1620		final CompletableFuture<Integer> f = new CompletableFuture<>();
1621		final CompletableFuture<Integer> g = new CompletableFuture<>();
1622	<	final SubtractFunction r1 = new SubtractFunction(m);
1623	<	final SubtractFunction r2 = new SubtractFunction(m);
1540	<	final SubtractFunction r3 = new SubtractFunction(m);
1622	>	final SubtractFunction[] rs = new SubtractFunction[6];
1623	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1624
1625		final CompletableFuture<Integer> fst =  fFirst ? f : g;
1626		final CompletableFuture<Integer> snd = !fFirst ? f : g;
1627		final Integer w1 =  fFirst ? v1 : v2;
1628		final Integer w2 = !fFirst ? v1 : v2;
1629
1630	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1630	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1631	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1632		assertTrue(fst.complete(w1));
1633	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1634	<	checkIncomplete(h1);
1635	<	checkIncomplete(h2);
1636	<	r1.assertNotInvoked();
1637	<	r2.assertNotInvoked();
1633	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1634	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1635	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1636	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1637	>	checkCompletedNormally(h1, subtract(w1, w1));
1638	>	checkCompletedNormally(h3, subtract(w1, w1));
1639	>	rs[1].assertValue(subtract(w1, w1));
1640	>	rs[3].assertValue(subtract(w1, w1));
1641		assertTrue(snd.complete(w2));
1642	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1642	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1643
1644	<	checkCompletedNormally(h1, subtract(v1, v2));
1644	>	checkCompletedNormally(h0, subtract(v1, v2));
1645		checkCompletedNormally(h2, subtract(v1, v2));
1646	<	checkCompletedNormally(h3, subtract(v1, v2));
1647	<	r1.assertValue(subtract(v1, v2));
1648	<	r2.assertValue(subtract(v1, v2));
1649	<	r3.assertValue(subtract(v1, v2));
1646	>	checkCompletedNormally(h4, subtract(v1, v2));
1647	>	rs[0].assertValue(subtract(v1, v2));
1648	>	rs[2].assertValue(subtract(v1, v2));
1649	>	rs[4].assertValue(subtract(v1, v2));
1650	>
1651		checkCompletedNormally(f, v1);
1652		checkCompletedNormally(g, v2);
1653		}}
#	Line 1680 | Line 1768 | public class CompletableFutureTest exten
1768		checkCompletedWithWrappedCFException(h1);
1769		checkCompletedWithWrappedCFException(h2);
1770		checkCompletedWithWrappedCFException(h3);
1771	+	r1.assertInvoked();
1772	+	r2.assertInvoked();
1773	+	r3.assertInvoked();
1774		checkCompletedNormally(f, v1);
1775		checkCompletedNormally(g, v2);
1776		}}
#	Line 1690 | Line 1781 | public class CompletableFutureTest exten
1781		*/
1782		public void testThenAcceptBoth_normalCompletion() {
1783		for (ExecutionMode m : ExecutionMode.values())
1693	–	for (boolean createIncomplete : new boolean[] { true, false })
1784		for (boolean fFirst : new boolean[] { true, false })
1785		for (Integer v1 : new Integer[] { 1, null })
1786		for (Integer v2 : new Integer[] { 2, null })
1787		{
1788		final CompletableFuture<Integer> f = new CompletableFuture<>();
1789		final CompletableFuture<Integer> g = new CompletableFuture<>();
1790	<	final SubtractAction r = new SubtractAction(m);
1790	>	final SubtractAction r1 = new SubtractAction(m);
1791	>	final SubtractAction r2 = new SubtractAction(m);
1792	>	final SubtractAction r3 = new SubtractAction(m);
1793
1794	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
1795	<	if (!createIncomplete)
1796	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1797	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1706	<	if (createIncomplete) {
1707	<	checkIncomplete(h);
1708	<	r.assertNotInvoked();
1709	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1710	<	}
1794	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1795	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1796	>	final Integer w1 =  fFirst ? v1 : v2;
1797	>	final Integer w2 = !fFirst ? v1 : v2;
1798
1799	<	checkCompletedNormally(h, null);
1800	<	r.assertValue(subtract(v1, v2));
1799	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1800	>	assertTrue(fst.complete(w1));
1801	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1802	>	checkIncomplete(h1);
1803	>	checkIncomplete(h2);
1804	>	r1.assertNotInvoked();
1805	>	r2.assertNotInvoked();
1806	>	assertTrue(snd.complete(w2));
1807	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1808	>
1809	>	checkCompletedNormally(h1, null);
1810	>	checkCompletedNormally(h2, null);
1811	>	checkCompletedNormally(h3, null);
1812	>	r1.assertValue(subtract(v1, v2));
1813	>	r2.assertValue(subtract(v1, v2));
1814	>	r3.assertValue(subtract(v1, v2));
1815		checkCompletedNormally(f, v1);
1816		checkCompletedNormally(g, v2);
1817		}}
#	Line 1719 | Line 1820 | public class CompletableFutureTest exten
1820		* thenAcceptBoth result completes exceptionally after exceptional
1821		* completion of either source
1822		*/
1823	<	public void testThenAcceptBoth_exceptionalCompletion() {
1823	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1824		for (ExecutionMode m : ExecutionMode.values())
1724	–	for (boolean createIncomplete : new boolean[] { true, false })
1825		for (boolean fFirst : new boolean[] { true, false })
1826	+	for (boolean failFirst : new boolean[] { true, false })
1827		for (Integer v1 : new Integer[] { 1, null })
1828		{
1829		final CompletableFuture<Integer> f = new CompletableFuture<>();
1830		final CompletableFuture<Integer> g = new CompletableFuture<>();
1831		final CFException ex = new CFException();
1832	<	final SubtractAction r = new SubtractAction(m);
1832	>	final SubtractAction r1 = new SubtractAction(m);
1833	>	final SubtractAction r2 = new SubtractAction(m);
1834	>	final SubtractAction r3 = new SubtractAction(m);
1835
1836	<	assertTrue((fFirst ? f : g).complete(v1));
1837	<	if (!createIncomplete)
1838	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
1839	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1840	<	if (createIncomplete) {
1841	<	checkIncomplete(h);
1842	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
1843	<	}
1836	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1837	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1838	>	final Callable<Boolean> complete1 = failFirst ?
1839	>	() -> fst.completeExceptionally(ex) :
1840	>	() -> fst.complete(v1);
1841	>	final Callable<Boolean> complete2 = failFirst ?
1842	>	() -> snd.complete(v1) :
1843	>	() -> snd.completeExceptionally(ex);
1844
1845	<	checkCompletedWithWrappedException(h, ex);
1846	<	r.assertNotInvoked();
1847	<	checkCompletedNormally(fFirst ? f : g, v1);
1848	<	checkCompletedExceptionally(!fFirst ? f : g, ex);
1845	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1846	>	assertTrue(complete1.call());
1847	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1848	>	checkIncomplete(h1);
1849	>	checkIncomplete(h2);
1850	>	assertTrue(complete2.call());
1851	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1852	>
1853	>	checkCompletedWithWrappedException(h1, ex);
1854	>	checkCompletedWithWrappedException(h2, ex);
1855	>	checkCompletedWithWrappedException(h3, ex);
1856	>	r1.assertNotInvoked();
1857	>	r2.assertNotInvoked();
1858	>	r3.assertNotInvoked();
1859	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1860	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1861		}}
1862
1863		/**
1864		* thenAcceptBoth result completes exceptionally if either source cancelled
1865		*/
1866	<	public void testThenAcceptBoth_sourceCancelled() {
1866	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1867		for (ExecutionMode m : ExecutionMode.values())
1868		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1754	–	for (boolean createIncomplete : new boolean[] { true, false })
1869		for (boolean fFirst : new boolean[] { true, false })
1870	+	for (boolean failFirst : new boolean[] { true, false })
1871		for (Integer v1 : new Integer[] { 1, null })
1872		{
1873		final CompletableFuture<Integer> f = new CompletableFuture<>();
1874		final CompletableFuture<Integer> g = new CompletableFuture<>();
1875	<	final SubtractAction r = new SubtractAction(m);
1875	>	final SubtractAction r1 = new SubtractAction(m);
1876	>	final SubtractAction r2 = new SubtractAction(m);
1877	>	final SubtractAction r3 = new SubtractAction(m);
1878
1879	<	assertTrue((fFirst ? f : g).complete(v1));
1880	<	if (!createIncomplete)
1881	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1882	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1883	<	if (createIncomplete) {
1884	<	checkIncomplete(h);
1885	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1886	<	}
1879	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1880	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1881	>	final Callable<Boolean> complete1 = failFirst ?
1882	>	() -> fst.cancel(mayInterruptIfRunning) :
1883	>	() -> fst.complete(v1);
1884	>	final Callable<Boolean> complete2 = failFirst ?
1885	>	() -> snd.complete(v1) :
1886	>	() -> snd.cancel(mayInterruptIfRunning);
1887
1888	<	checkCompletedWithWrappedCancellationException(h);
1889	<	checkCancelled(!fFirst ? f : g);
1890	<	r.assertNotInvoked();
1891	<	checkCompletedNormally(fFirst ? f : g, v1);
1888	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1889	>	assertTrue(complete1.call());
1890	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1891	>	checkIncomplete(h1);
1892	>	checkIncomplete(h2);
1893	>	assertTrue(complete2.call());
1894	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1895	>
1896	>	checkCompletedWithWrappedCancellationException(h1);
1897	>	checkCompletedWithWrappedCancellationException(h2);
1898	>	checkCompletedWithWrappedCancellationException(h3);
1899	>	r1.assertNotInvoked();
1900	>	r2.assertNotInvoked();
1901	>	r3.assertNotInvoked();
1902	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1903	>	checkCancelled(failFirst ? fst : snd);
1904		}}
1905
1906		/**
#	Line 1785 | Line 1914 | public class CompletableFutureTest exten
1914		{
1915		final CompletableFuture<Integer> f = new CompletableFuture<>();
1916		final CompletableFuture<Integer> g = new CompletableFuture<>();
1917	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1918	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1917	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1918	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1919	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1920
1921	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
1922	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1921	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1922	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1923	>	final Integer w1 =  fFirst ? v1 : v2;
1924	>	final Integer w2 = !fFirst ? v1 : v2;
1925
1926	<	checkCompletedWithWrappedCFException(h);
1926	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1927	>	assertTrue(fst.complete(w1));
1928	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1929	>	assertTrue(snd.complete(w2));
1930	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1931	>
1932	>	checkCompletedWithWrappedCFException(h1);
1933	>	checkCompletedWithWrappedCFException(h2);
1934	>	checkCompletedWithWrappedCFException(h3);
1935	>	r1.assertInvoked();
1936	>	r2.assertInvoked();
1937	>	r3.assertInvoked();
1938		checkCompletedNormally(f, v1);
1939		checkCompletedNormally(g, v2);
1940		}}
#	Line 1802 | Line 1945 | public class CompletableFutureTest exten
1945		*/
1946		public void testRunAfterBoth_normalCompletion() {
1947		for (ExecutionMode m : ExecutionMode.values())
1805	–	for (boolean createIncomplete : new boolean[] { true, false })
1948		for (boolean fFirst : new boolean[] { true, false })
1949		for (Integer v1 : new Integer[] { 1, null })
1950		for (Integer v2 : new Integer[] { 2, null })
1951		{
1952		final CompletableFuture<Integer> f = new CompletableFuture<>();
1953		final CompletableFuture<Integer> g = new CompletableFuture<>();
1954	<	final Noop r = new Noop(m);
1954	>	final Noop r1 = new Noop(m);
1955	>	final Noop r2 = new Noop(m);
1956	>	final Noop r3 = new Noop(m);
1957
1958	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
1959	<	if (!createIncomplete)
1960	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1961	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1818	<	if (createIncomplete) {
1819	<	checkIncomplete(h);
1820	<	r.assertNotInvoked();
1821	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1822	<	}
1958	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1959	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1960	>	final Integer w1 =  fFirst ? v1 : v2;
1961	>	final Integer w2 = !fFirst ? v1 : v2;
1962
1963	<	checkCompletedNormally(h, null);
1964	<	r.assertInvoked();
1963	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1964	>	assertTrue(fst.complete(w1));
1965	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1966	>	checkIncomplete(h1);
1967	>	checkIncomplete(h2);
1968	>	r1.assertNotInvoked();
1969	>	r2.assertNotInvoked();
1970	>	assertTrue(snd.complete(w2));
1971	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1972	>
1973	>	checkCompletedNormally(h1, null);
1974	>	checkCompletedNormally(h2, null);
1975	>	checkCompletedNormally(h3, null);
1976	>	r1.assertInvoked();
1977	>	r2.assertInvoked();
1978	>	r3.assertInvoked();
1979		checkCompletedNormally(f, v1);
1980		checkCompletedNormally(g, v2);
1981		}}
#	Line 1831 | Line 1984 | public class CompletableFutureTest exten
1984		* runAfterBoth result completes exceptionally after exceptional
1985		* completion of either source
1986		*/
1987	<	public void testRunAfterBoth_exceptionalCompletion() {
1987	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1988		for (ExecutionMode m : ExecutionMode.values())
1836	–	for (boolean createIncomplete : new boolean[] { true, false })
1989		for (boolean fFirst : new boolean[] { true, false })
1990	+	for (boolean failFirst : new boolean[] { true, false })
1991		for (Integer v1 : new Integer[] { 1, null })
1992		{
1993		final CompletableFuture<Integer> f = new CompletableFuture<>();
1994		final CompletableFuture<Integer> g = new CompletableFuture<>();
1995		final CFException ex = new CFException();
1996	<	final Noop r = new Noop(m);
1996	>	final Noop r1 = new Noop(m);
1997	>	final Noop r2 = new Noop(m);
1998	>	final Noop r3 = new Noop(m);
1999
2000	<	assertTrue((fFirst ? f : g).complete(v1));
2001	<	if (!createIncomplete)
2002	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
2003	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2004	<	if (createIncomplete) {
2005	<	checkIncomplete(h);
2006	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
2007	<	}
2000	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2001	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2002	>	final Callable<Boolean> complete1 = failFirst ?
2003	>	() -> fst.completeExceptionally(ex) :
2004	>	() -> fst.complete(v1);
2005	>	final Callable<Boolean> complete2 = failFirst ?
2006	>	() -> snd.complete(v1) :
2007	>	() -> snd.completeExceptionally(ex);
2008
2009	<	checkCompletedWithWrappedException(h, ex);
2010	<	r.assertNotInvoked();
2011	<	checkCompletedNormally(fFirst ? f : g, v1);
2012	<	checkCompletedExceptionally(!fFirst ? f : g, ex);
2009	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2010	>	assertTrue(complete1.call());
2011	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2012	>	checkIncomplete(h1);
2013	>	checkIncomplete(h2);
2014	>	assertTrue(complete2.call());
2015	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2016	>
2017	>	checkCompletedWithWrappedException(h1, ex);
2018	>	checkCompletedWithWrappedException(h2, ex);
2019	>	checkCompletedWithWrappedException(h3, ex);
2020	>	r1.assertNotInvoked();
2021	>	r2.assertNotInvoked();
2022	>	r3.assertNotInvoked();
2023	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2024	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2025		}}
2026
2027		/**
2028		* runAfterBoth result completes exceptionally if either source cancelled
2029		*/
2030	<	public void testRunAfterBoth_sourceCancelled() {
2030	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2031		for (ExecutionMode m : ExecutionMode.values())
2032		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1866	–	for (boolean createIncomplete : new boolean[] { true, false })
2033		for (boolean fFirst : new boolean[] { true, false })
2034	+	for (boolean failFirst : new boolean[] { true, false })
2035		for (Integer v1 : new Integer[] { 1, null })
2036		{
2037		final CompletableFuture<Integer> f = new CompletableFuture<>();
2038		final CompletableFuture<Integer> g = new CompletableFuture<>();
2039	<	final Noop r = new Noop(m);
2039	>	final Noop r1 = new Noop(m);
2040	>	final Noop r2 = new Noop(m);
2041	>	final Noop r3 = new Noop(m);
2042
2043	<	assertTrue((fFirst ? f : g).complete(v1));
2044	<	if (!createIncomplete)
2045	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2046	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2047	<	if (createIncomplete) {
2048	<	checkIncomplete(h);
2049	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2050	<	}
2043	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2044	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2045	>	final Callable<Boolean> complete1 = failFirst ?
2046	>	() -> fst.cancel(mayInterruptIfRunning) :
2047	>	() -> fst.complete(v1);
2048	>	final Callable<Boolean> complete2 = failFirst ?
2049	>	() -> snd.complete(v1) :
2050	>	() -> snd.cancel(mayInterruptIfRunning);
2051
2052	<	checkCompletedWithWrappedCancellationException(h);
2053	<	checkCancelled(!fFirst ? f : g);
2054	<	r.assertNotInvoked();
2055	<	checkCompletedNormally(fFirst ? f : g, v1);
2052	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2053	>	assertTrue(complete1.call());
2054	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2055	>	checkIncomplete(h1);
2056	>	checkIncomplete(h2);
2057	>	assertTrue(complete2.call());
2058	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2059	>
2060	>	checkCompletedWithWrappedCancellationException(h1);
2061	>	checkCompletedWithWrappedCancellationException(h2);
2062	>	checkCompletedWithWrappedCancellationException(h3);
2063	>	r1.assertNotInvoked();
2064	>	r2.assertNotInvoked();
2065	>	r3.assertNotInvoked();
2066	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2067	>	checkCancelled(failFirst ? fst : snd);
2068		}}
2069
2070		/**
#	Line 1899 | Line 2080 | public class CompletableFutureTest exten
2080		final CompletableFuture<Integer> g = new CompletableFuture<>();
2081		final FailingRunnable r1 = new FailingRunnable(m);
2082		final FailingRunnable r2 = new FailingRunnable(m);
2083	+	final FailingRunnable r3 = new FailingRunnable(m);
2084
2085	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2086	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
2087	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
2088	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2085	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2086	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2087	>	final Integer w1 =  fFirst ? v1 : v2;
2088	>	final Integer w2 = !fFirst ? v1 : v2;
2089	>
2090	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2091	>	assertTrue(fst.complete(w1));
2092	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2093	>	assertTrue(snd.complete(w2));
2094	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2095
2096		checkCompletedWithWrappedCFException(h1);
2097		checkCompletedWithWrappedCFException(h2);
2098	+	checkCompletedWithWrappedCFException(h3);
2099	+	r1.assertInvoked();
2100	+	r2.assertInvoked();
2101	+	r3.assertInvoked();
2102		checkCompletedNormally(f, v1);
2103		checkCompletedNormally(g, v2);
2104		}}
#	Line 2818 | Line 3010 | public class CompletableFutureTest exten
3010		* when all components complete normally
3011		*/
3012		public void testAllOf_normal() throws Exception {
3013	<	for (int k = 1; k < 20; ++k) {
3013	>	for (int k = 1; k < 10; k++) {
3014		CompletableFuture<Integer>[] fs
3015		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3016	<	for (int i = 0; i < k; ++i)
3016	>	for (int i = 0; i < k; i++)
3017		fs[i] = new CompletableFuture<>();
3018		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3019	<	for (int i = 0; i < k; ++i) {
3019	>	for (int i = 0; i < k; i++) {
3020		checkIncomplete(f);
3021		checkIncomplete(CompletableFuture.allOf(fs));
3022		fs[i].complete(one);
#	Line 2835 | Line 3027 | public class CompletableFutureTest exten
3027		}
3028
3029		public void testAllOf_backwards() throws Exception {
3030	<	for (int k = 1; k < 20; ++k) {
3030	>	for (int k = 1; k < 10; k++) {
3031		CompletableFuture<Integer>[] fs
3032		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3033	<	for (int i = 0; i < k; ++i)
3033	>	for (int i = 0; i < k; i++)
3034		fs[i] = new CompletableFuture<>();
3035		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3036		for (int i = k - 1; i >= 0; i--) {
#	Line 2851 | Line 3043 | public class CompletableFutureTest exten
3043		}
3044		}
3045
3046	+	public void testAllOf_exceptional() throws Exception {
3047	+	for (int k = 1; k < 10; k++) {
3048	+	CompletableFuture<Integer>[] fs
3049	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3050	+	CFException ex = new CFException();
3051	+	for (int i = 0; i < k; i++)
3052	+	fs[i] = new CompletableFuture<>();
3053	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3054	+	for (int i = 0; i < k; i++) {
3055	+	checkIncomplete(f);
3056	+	checkIncomplete(CompletableFuture.allOf(fs));
3057	+	if (i != k/2) {
3058	+	fs[i].complete(i);
3059	+	checkCompletedNormally(fs[i], i);
3060	+	} else {
3061	+	fs[i].completeExceptionally(ex);
3062	+	checkCompletedExceptionally(fs[i], ex);
3063	+	}
3064	+	}
3065	+	checkCompletedWithWrappedException(f, ex);
3066	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3067	+	}
3068	+	}
3069	+
3070		/**
3071		* anyOf(no component futures) returns an incomplete future
3072		*/
3073		public void testAnyOf_empty() throws Exception {
3074	+	for (Integer v1 : new Integer[] { 1, null })
3075	+	{
3076		CompletableFuture<Object> f = CompletableFuture.anyOf();
3077		checkIncomplete(f);
3078	<	}
3078	>
3079	>	f.complete(v1);
3080	>	checkCompletedNormally(f, v1);
3081	>	}}
3082
3083		/**
3084		* anyOf returns a future completed normally with a value when
3085		* a component future does
3086		*/
3087		public void testAnyOf_normal() throws Exception {
3088	<	for (int k = 0; k < 10; ++k) {
3088	>	for (int k = 0; k < 10; k++) {
3089		CompletableFuture[] fs = new CompletableFuture[k];
3090	<	for (int i = 0; i < k; ++i)
3090	>	for (int i = 0; i < k; i++)
3091		fs[i] = new CompletableFuture<>();
3092		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3093		checkIncomplete(f);
3094	<	for (int i = 0; i < k; ++i) {
3095	<	fs[i].complete(one);
3096	<	checkCompletedNormally(f, one);
3097	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3094	>	for (int i = 0; i < k; i++) {
3095	>	fs[i].complete(i);
3096	>	checkCompletedNormally(f, 0);
3097	>	int x = (int) CompletableFuture.anyOf(fs).join();
3098	>	assertTrue(0 <= x && x <= i);
3099	>	}
3100	>	}
3101	>	}
3102	>	public void testAnyOf_normal_backwards() throws Exception {
3103	>	for (int k = 0; k < 10; k++) {
3104	>	CompletableFuture[] fs = new CompletableFuture[k];
3105	>	for (int i = 0; i < k; i++)
3106	>	fs[i] = new CompletableFuture<>();
3107	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3108	>	checkIncomplete(f);
3109	>	for (int i = k - 1; i >= 0; i--) {
3110	>	fs[i].complete(i);
3111	>	checkCompletedNormally(f, k - 1);
3112	>	int x = (int) CompletableFuture.anyOf(fs).join();
3113	>	assertTrue(i <= x && x <= k - 1);
3114		}
3115		}
3116		}
#	Line 2882 | Line 3119 | public class CompletableFutureTest exten
3119		* anyOf result completes exceptionally when any component does.
3120		*/
3121		public void testAnyOf_exceptional() throws Exception {
3122	<	for (int k = 0; k < 10; ++k) {
3122	>	for (int k = 0; k < 10; k++) {
3123		CompletableFuture[] fs = new CompletableFuture[k];
3124	<	for (int i = 0; i < k; ++i)
3124	>	CFException[] exs = new CFException[k];
3125	>	for (int i = 0; i < k; i++) {
3126		fs[i] = new CompletableFuture<>();
3127	+	exs[i] = new CFException();
3128	+	}
3129	+	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3130	+	checkIncomplete(f);
3131	+	for (int i = 0; i < k; i++) {
3132	+	fs[i].completeExceptionally(exs[i]);
3133	+	checkCompletedWithWrappedException(f, exs[0]);
3134	+	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3135	+	}
3136	+	}
3137	+	}
3138	+
3139	+	public void testAnyOf_exceptional_backwards() throws Exception {
3140	+	for (int k = 0; k < 10; k++) {
3141	+	CompletableFuture[] fs = new CompletableFuture[k];
3142	+	CFException[] exs = new CFException[k];
3143	+	for (int i = 0; i < k; i++) {
3144	+	fs[i] = new CompletableFuture<>();
3145	+	exs[i] = new CFException();
3146	+	}
3147		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3148		checkIncomplete(f);
3149	<	for (int i = 0; i < k; ++i) {
3150	<	fs[i].completeExceptionally(new CFException());
3151	<	checkCompletedWithWrappedCFException(f);
3149	>	for (int i = k - 1; i >= 0; i--) {
3150	>	fs[i].completeExceptionally(exs[i]);
3151	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3152		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3153		}
3154		}
#	Line 2909 | Line 3167 | public class CompletableFutureTest exten
3167		Runnable[] throwingActions = {
3168		() -> CompletableFuture.supplyAsync(null),
3169		() -> CompletableFuture.supplyAsync(null, exec),
3170	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3170	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3171
3172		() -> CompletableFuture.runAsync(null),
3173		() -> CompletableFuture.runAsync(null, exec),
#	Line 3014 | Line 3272 | public class CompletableFutureTest exten
3272		assertSame(f, f.toCompletableFuture());
3273		}
3274
3275	<	//     public void testRunAfterEither_resultDeterminedAtTimeOfCreation() {
3276	<	//         for (ExecutionMode m : ExecutionMode.values())
3277	<	//         for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3278	<	//         for (Integer v1 : new Integer[] { 1, null })
3279	<	//     {
3280	<	//         final CompletableFuture<Integer> f = new CompletableFuture<>();
3281	<	//         final CompletableFuture<Integer> g = new CompletableFuture<>();
3282	<	//         final Noop[] rs = new Noop[2];
3283	<	//         for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
3284	<	//         f.complete(v1);
3285	<	//         final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3286	<	//         final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3287	<	//         assertTrue(g.cancel(mayInterruptIfRunning));
3288	<	//         checkCompletedNormally(h0, null);
3289	<	//         checkCompletedNormally(h1, null);
3290	<	//         for (Noop r : rs) r.assertInvoked();
3291	<	//     }}
3275	>	//--- tests of implementation details; not part of official tck ---
3276	>
3277	>	Object resultOf(CompletableFuture<?> f) {
3278	>	try {
3279	>	java.lang.reflect.Field resultField
3280	>	= CompletableFuture.class.getDeclaredField("result");
3281	>	resultField.setAccessible(true);
3282	>	return resultField.get(f);
3283	>	} catch (Throwable t) { throw new AssertionError(t); }
3284	>	}
3285	>
3286	>	public void testExceptionPropagationReusesResultObject() {
3287	>	if (!testImplementationDetails) return;
3288	>	for (ExecutionMode m : ExecutionMode.values())
3289	>	{
3290	>	final CFException ex = new CFException();
3291	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3292	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3293	>
3294	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3295	>	= new ArrayList<>();
3296	>
3297	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3298	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3299	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3300	>
3301	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3302	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3303	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3304	>
3305	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3306	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3307	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3308	>
3309	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3310	>
3311	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3312	>
3313	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3314	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3315	>
3316	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3317	>	fun : funs) {
3318	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3319	>	f.completeExceptionally(ex);
3320	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3321	>	checkCompletedWithWrappedException(src, ex);
3322	>	CompletableFuture<?> dep = fun.apply(src);
3323	>	checkCompletedWithWrappedException(dep, ex);
3324	>	assertSame(resultOf(src), resultOf(dep));
3325	>	}
3326	>
3327	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3328	>	fun : funs) {
3329	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3330	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3331	>	CompletableFuture<?> dep = fun.apply(src);
3332	>	f.completeExceptionally(ex);
3333	>	checkCompletedWithWrappedException(src, ex);
3334	>	checkCompletedWithWrappedException(dep, ex);
3335	>	assertSame(resultOf(src), resultOf(dep));
3336	>	}
3337	>
3338	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3339	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3340	>	fun : funs) {
3341	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3342	>	f.cancel(mayInterruptIfRunning);
3343	>	checkCancelled(f);
3344	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3345	>	checkCompletedWithWrappedCancellationException(src);
3346	>	CompletableFuture<?> dep = fun.apply(src);
3347	>	checkCompletedWithWrappedCancellationException(dep);
3348	>	assertSame(resultOf(src), resultOf(dep));
3349	>	}
3350	>
3351	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3352	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3353	>	fun : funs) {
3354	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3355	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3356	>	CompletableFuture<?> dep = fun.apply(src);
3357	>	f.cancel(mayInterruptIfRunning);
3358	>	checkCancelled(f);
3359	>	checkCompletedWithWrappedCancellationException(src);
3360	>	checkCompletedWithWrappedCancellationException(dep);
3361	>	assertSame(resultOf(src), resultOf(dep));
3362	>	}
3363	>	}}
3364
3365		}

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