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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.198 by dl, Mon Sep 17 11:50:55 2018 UTC vs.
Revision 1.219 by jsr166, Sat Nov 24 18:33:26 2018 UTC

#	Line 551 | Line 551 | public class CompletableFutureTest exten
551		public CompletableFuture<Integer> apply(Integer x) {
552		invoked();
553		value = x;
554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
555	<	assertTrue(f.complete(inc(x)));
556	<	return f;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
#	Line 574 | Line 572 | public class CompletableFutureTest exten
572		ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573		public CompletionStage<Integer> apply(Throwable x) {
574		invoked();
575	<	CompletableFuture<Integer> d = new CompletableFuture<Integer>();
578	<	d.complete(value);
579	<	return d;
575	>	return CompletableFuture.completedFuture(value);
576		}
577		}
578
#	Line 930 | Line 926 | public class CompletableFutureTest exten
926		for (boolean createIncomplete : new boolean[] { true, false })
927		for (Integer v1 : new Integer[] { 1, null })
928		{
929	<	final AtomicInteger a = new AtomicInteger(0);
929	>	final AtomicInteger ran = new AtomicInteger(0);
930		final CompletableFuture<Integer> f = new CompletableFuture<>();
931		if (!createIncomplete) assertTrue(f.complete(v1));
932		final CompletableFuture<Integer> g = m.exceptionally
933		(f, (Throwable t) -> {
934	<	a.getAndIncrement();
935	<	threadFail("should not be called");
940	<	return null;            // unreached
934	>	ran.getAndIncrement();
935	>	throw new AssertionError("should not be called");
936		});
937		if (createIncomplete) assertTrue(f.complete(v1));
938
939		checkCompletedNormally(g, v1);
940		checkCompletedNormally(f, v1);
941	<	assertEquals(0, a.get());
941	>	assertEquals(0, ran.get());
942		}}
943
944		/**
#	Line 955 | Line 950 | public class CompletableFutureTest exten
950		for (boolean createIncomplete : new boolean[] { true, false })
951		for (Integer v1 : new Integer[] { 1, null })
952		{
953	<	final AtomicInteger a = new AtomicInteger(0);
953	>	final AtomicInteger ran = new AtomicInteger(0);
954		final CFException ex = new CFException();
955		final CompletableFuture<Integer> f = new CompletableFuture<>();
956		if (!createIncomplete) f.completeExceptionally(ex);
957		final CompletableFuture<Integer> g = m.exceptionally
958		(f, (Throwable t) -> {
959		m.checkExecutionMode();
960	<	threadAssertSame(t, ex);
961	<	a.getAndIncrement();
960	>	assertSame(t, ex);
961	>	ran.getAndIncrement();
962		return v1;
963		});
964		if (createIncomplete) f.completeExceptionally(ex);
965
966		checkCompletedNormally(g, v1);
967	<	assertEquals(1, a.get());
967	>	assertEquals(1, ran.get());
968		}}
969
970		/**
#	Line 980 | Line 975 | public class CompletableFutureTest exten
975		for (ExecutionMode m : ExecutionMode.values())
976		for (boolean createIncomplete : new boolean[] { true, false })
977		{
978	<	final AtomicInteger a = new AtomicInteger(0);
978	>	final AtomicInteger ran = new AtomicInteger(0);
979		final CFException ex1 = new CFException();
980		final CFException ex2 = new CFException();
981		final CompletableFuture<Integer> f = new CompletableFuture<>();
#	Line 988 | Line 983 | public class CompletableFutureTest exten
983		final CompletableFuture<Integer> g = m.exceptionally
984		(f, (Throwable t) -> {
985		m.checkExecutionMode();
986	<	threadAssertSame(t, ex1);
987	<	a.getAndIncrement();
986	>	assertSame(t, ex1);
987	>	ran.getAndIncrement();
988		throw ex2;
989		});
990		if (createIncomplete) f.completeExceptionally(ex1);
991
992		checkCompletedWithWrappedException(g, ex2);
993		checkCompletedExceptionally(f, ex1);
994	<	assertEquals(1, a.get());
994	>	assertEquals(1, ran.get());
995		}}
996
997		/**
#	Line 1008 | Line 1003 | public class CompletableFutureTest exten
1003		for (boolean createIncomplete : new boolean[] { true, false })
1004		for (Integer v1 : new Integer[] { 1, null })
1005		{
1006	<	final AtomicInteger a = new AtomicInteger(0);
1006	>	final AtomicInteger ran = new AtomicInteger(0);
1007		final CompletableFuture<Integer> f = new CompletableFuture<>();
1008		if (!createIncomplete) assertTrue(f.complete(v1));
1009		final CompletableFuture<Integer> g = m.whenComplete
1010		(f,
1011		(Integer result, Throwable t) -> {
1012		m.checkExecutionMode();
1013	<	threadAssertSame(result, v1);
1014	<	threadAssertNull(t);
1015	<	a.getAndIncrement();
1013	>	assertSame(result, v1);
1014	>	assertNull(t);
1015	>	ran.getAndIncrement();
1016		});
1017		if (createIncomplete) assertTrue(f.complete(v1));
1018
1019		checkCompletedNormally(g, v1);
1020		checkCompletedNormally(f, v1);
1021	<	assertEquals(1, a.get());
1021	>	assertEquals(1, ran.get());
1022		}}
1023
1024		/**
#	Line 1034 | Line 1029 | public class CompletableFutureTest exten
1029		for (ExecutionMode m : ExecutionMode.values())
1030		for (boolean createIncomplete : new boolean[] { true, false })
1031		{
1032	<	final AtomicInteger a = new AtomicInteger(0);
1032	>	final AtomicInteger ran = new AtomicInteger(0);
1033		final CFException ex = new CFException();
1034		final CompletableFuture<Integer> f = new CompletableFuture<>();
1035		if (!createIncomplete) f.completeExceptionally(ex);
#	Line 1042 | Line 1037 | public class CompletableFutureTest exten
1037		(f,
1038		(Integer result, Throwable t) -> {
1039		m.checkExecutionMode();
1040	<	threadAssertNull(result);
1041	<	threadAssertSame(t, ex);
1042	<	a.getAndIncrement();
1040	>	assertNull(result);
1041	>	assertSame(t, ex);
1042	>	ran.getAndIncrement();
1043		});
1044		if (createIncomplete) f.completeExceptionally(ex);
1045
1046		checkCompletedWithWrappedException(g, ex);
1047		checkCompletedExceptionally(f, ex);
1048	<	assertEquals(1, a.get());
1048	>	assertEquals(1, ran.get());
1049		}}
1050
1051		/**
#	Line 1062 | Line 1057 | public class CompletableFutureTest exten
1057		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1058		for (boolean createIncomplete : new boolean[] { true, false })
1059		{
1060	<	final AtomicInteger a = new AtomicInteger(0);
1060	>	final AtomicInteger ran = new AtomicInteger(0);
1061		final CompletableFuture<Integer> f = new CompletableFuture<>();
1062		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1063		final CompletableFuture<Integer> g = m.whenComplete
1064		(f,
1065		(Integer result, Throwable t) -> {
1066		m.checkExecutionMode();
1067	<	threadAssertNull(result);
1068	<	threadAssertTrue(t instanceof CancellationException);
1069	<	a.getAndIncrement();
1067	>	assertNull(result);
1068	>	assertTrue(t instanceof CancellationException);
1069	>	ran.getAndIncrement();
1070		});
1071		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1072
1073		checkCompletedWithWrappedCancellationException(g);
1074		checkCancelled(f);
1075	<	assertEquals(1, a.get());
1075	>	assertEquals(1, ran.get());
1076		}}
1077
1078		/**
#	Line 1089 | Line 1084 | public class CompletableFutureTest exten
1084		for (ExecutionMode m : ExecutionMode.values())
1085		for (Integer v1 : new Integer[] { 1, null })
1086		{
1087	<	final AtomicInteger a = new AtomicInteger(0);
1087	>	final AtomicInteger ran = new AtomicInteger(0);
1088		final CFException ex = new CFException();
1089		final CompletableFuture<Integer> f = new CompletableFuture<>();
1090		if (!createIncomplete) assertTrue(f.complete(v1));
#	Line 1097 | Line 1092 | public class CompletableFutureTest exten
1092		(f,
1093		(Integer result, Throwable t) -> {
1094		m.checkExecutionMode();
1095	<	threadAssertSame(result, v1);
1096	<	threadAssertNull(t);
1097	<	a.getAndIncrement();
1095	>	assertSame(result, v1);
1096	>	assertNull(t);
1097	>	ran.getAndIncrement();
1098		throw ex;
1099		});
1100		if (createIncomplete) assertTrue(f.complete(v1));
1101
1102		checkCompletedWithWrappedException(g, ex);
1103		checkCompletedNormally(f, v1);
1104	<	assertEquals(1, a.get());
1104	>	assertEquals(1, ran.get());
1105		}}
1106
1107		/**
#	Line 1118 | Line 1113 | public class CompletableFutureTest exten
1113		for (boolean createIncomplete : new boolean[] { true, false })
1114		for (ExecutionMode m : ExecutionMode.values())
1115		{
1116	<	final AtomicInteger a = new AtomicInteger(0);
1116	>	final AtomicInteger ran = new AtomicInteger(0);
1117		final CFException ex1 = new CFException();
1118		final CFException ex2 = new CFException();
1119		final CompletableFuture<Integer> f = new CompletableFuture<>();
#	Line 1128 | Line 1123 | public class CompletableFutureTest exten
1123		(f,
1124		(Integer result, Throwable t) -> {
1125		m.checkExecutionMode();
1126	<	threadAssertSame(t, ex1);
1127	<	threadAssertNull(result);
1128	<	a.getAndIncrement();
1126	>	assertSame(t, ex1);
1127	>	assertNull(result);
1128	>	ran.getAndIncrement();
1129		throw ex2;
1130		});
1131		if (createIncomplete) f.completeExceptionally(ex1);
#	Line 1141 | Line 1136 | public class CompletableFutureTest exten
1136		assertEquals(1, ex1.getSuppressed().length);
1137		assertSame(ex2, ex1.getSuppressed()[0]);
1138		}
1139	<	assertEquals(1, a.get());
1139	>	assertEquals(1, ran.get());
1140		}}
1141
1142		/**
#	Line 1154 | Line 1149 | public class CompletableFutureTest exten
1149		for (Integer v1 : new Integer[] { 1, null })
1150		{
1151		final CompletableFuture<Integer> f = new CompletableFuture<>();
1152	<	final AtomicInteger a = new AtomicInteger(0);
1152	>	final AtomicInteger ran = new AtomicInteger(0);
1153		if (!createIncomplete) assertTrue(f.complete(v1));
1154		final CompletableFuture<Integer> g = m.handle
1155		(f,
1156		(Integer result, Throwable t) -> {
1157		m.checkExecutionMode();
1158	<	threadAssertSame(result, v1);
1159	<	threadAssertNull(t);
1160	<	a.getAndIncrement();
1158	>	assertSame(result, v1);
1159	>	assertNull(t);
1160	>	ran.getAndIncrement();
1161		return inc(v1);
1162		});
1163		if (createIncomplete) assertTrue(f.complete(v1));
1164
1165		checkCompletedNormally(g, inc(v1));
1166		checkCompletedNormally(f, v1);
1167	<	assertEquals(1, a.get());
1167	>	assertEquals(1, ran.get());
1168		}}
1169
1170		/**
#	Line 1182 | Line 1177 | public class CompletableFutureTest exten
1177		for (Integer v1 : new Integer[] { 1, null })
1178		{
1179		final CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	final AtomicInteger a = new AtomicInteger(0);
1180	>	final AtomicInteger ran = new AtomicInteger(0);
1181		final CFException ex = new CFException();
1182		if (!createIncomplete) f.completeExceptionally(ex);
1183		final CompletableFuture<Integer> g = m.handle
1184		(f,
1185		(Integer result, Throwable t) -> {
1186		m.checkExecutionMode();
1187	<	threadAssertNull(result);
1188	<	threadAssertSame(t, ex);
1189	<	a.getAndIncrement();
1187	>	assertNull(result);
1188	>	assertSame(t, ex);
1189	>	ran.getAndIncrement();
1190		return v1;
1191		});
1192		if (createIncomplete) f.completeExceptionally(ex);
1193
1194		checkCompletedNormally(g, v1);
1195		checkCompletedExceptionally(f, ex);
1196	<	assertEquals(1, a.get());
1196	>	assertEquals(1, ran.get());
1197		}}
1198
1199		/**
#	Line 1212 | Line 1207 | public class CompletableFutureTest exten
1207		for (Integer v1 : new Integer[] { 1, null })
1208		{
1209		final CompletableFuture<Integer> f = new CompletableFuture<>();
1210	<	final AtomicInteger a = new AtomicInteger(0);
1210	>	final AtomicInteger ran = new AtomicInteger(0);
1211		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1212		final CompletableFuture<Integer> g = m.handle
1213		(f,
1214		(Integer result, Throwable t) -> {
1215		m.checkExecutionMode();
1216	<	threadAssertNull(result);
1217	<	threadAssertTrue(t instanceof CancellationException);
1218	<	a.getAndIncrement();
1216	>	assertNull(result);
1217	>	assertTrue(t instanceof CancellationException);
1218	>	ran.getAndIncrement();
1219		return v1;
1220		});
1221		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1222
1223		checkCompletedNormally(g, v1);
1224		checkCancelled(f);
1225	<	assertEquals(1, a.get());
1225	>	assertEquals(1, ran.get());
1226		}}
1227
1228		/**
#	Line 1240 | Line 1235 | public class CompletableFutureTest exten
1235		for (Integer v1 : new Integer[] { 1, null })
1236		{
1237		final CompletableFuture<Integer> f = new CompletableFuture<>();
1238	<	final AtomicInteger a = new AtomicInteger(0);
1238	>	final AtomicInteger ran = new AtomicInteger(0);
1239		final CFException ex = new CFException();
1240		if (!createIncomplete) assertTrue(f.complete(v1));
1241		final CompletableFuture<Integer> g = m.handle
1242		(f,
1243		(Integer result, Throwable t) -> {
1244		m.checkExecutionMode();
1245	<	threadAssertSame(result, v1);
1246	<	threadAssertNull(t);
1247	<	a.getAndIncrement();
1245	>	assertSame(result, v1);
1246	>	assertNull(t);
1247	>	ran.getAndIncrement();
1248		throw ex;
1249		});
1250		if (createIncomplete) assertTrue(f.complete(v1));
1251
1252		checkCompletedWithWrappedException(g, ex);
1253		checkCompletedNormally(f, v1);
1254	<	assertEquals(1, a.get());
1254	>	assertEquals(1, ran.get());
1255		}}
1256
1257		/**
#	Line 1268 | Line 1263 | public class CompletableFutureTest exten
1263		for (boolean createIncomplete : new boolean[] { true, false })
1264		for (ExecutionMode m : ExecutionMode.values())
1265		{
1266	<	final AtomicInteger a = new AtomicInteger(0);
1266	>	final AtomicInteger ran = new AtomicInteger(0);
1267		final CFException ex1 = new CFException();
1268		final CFException ex2 = new CFException();
1269		final CompletableFuture<Integer> f = new CompletableFuture<>();
#	Line 1278 | Line 1273 | public class CompletableFutureTest exten
1273		(f,
1274		(Integer result, Throwable t) -> {
1275		m.checkExecutionMode();
1276	<	threadAssertNull(result);
1277	<	threadAssertSame(ex1, t);
1278	<	a.getAndIncrement();
1276	>	assertNull(result);
1277	>	assertSame(ex1, t);
1278	>	ran.getAndIncrement();
1279		throw ex2;
1280		});
1281		if (createIncomplete) f.completeExceptionally(ex1);
1282
1283		checkCompletedWithWrappedException(g, ex2);
1284		checkCompletedExceptionally(f, ex1);
1285	<	assertEquals(1, a.get());
1285	>	assertEquals(1, ran.get());
1286		}}
1287
1288		/**
#	Line 3123 | Line 3118 | public class CompletableFutureTest exten
3118		case 0:
3119		assertTrue(f.complete(v1));
3120		assertTrue(g.completeExceptionally(ex));
3121	<	h = m.thenCompose(f, (x -> g));
3121	>	h = m.thenCompose(f, x -> g);
3122		break;
3123		case 1:
3124		assertTrue(f.complete(v1));
3125	<	h = m.thenCompose(f, (x -> g));
3125	>	h = m.thenCompose(f, x -> g);
3126		assertTrue(g.completeExceptionally(ex));
3127		break;
3128		case 2:
3129		assertTrue(g.completeExceptionally(ex));
3130		assertTrue(f.complete(v1));
3131	<	h = m.thenCompose(f, (x -> g));
3131	>	h = m.thenCompose(f, x -> g);
3132		break;
3133		case 3:
3134		assertTrue(g.completeExceptionally(ex));
3135	<	h = m.thenCompose(f, (x -> g));
3135	>	h = m.thenCompose(f, x -> g);
3136		assertTrue(f.complete(v1));
3137		break;
3138		case 4:
3139	<	h = m.thenCompose(f, (x -> g));
3139	>	h = m.thenCompose(f, x -> g);
3140		assertTrue(f.complete(v1));
3141		assertTrue(g.completeExceptionally(ex));
3142		break;
3143		case 5:
3144	<	h = m.thenCompose(f, (x -> g));
3144	>	h = m.thenCompose(f, x -> g);
3145		assertTrue(f.complete(v1));
3146		assertTrue(g.completeExceptionally(ex));
3147		break;
#	Line 3206 | Line 3201 | public class CompletableFutureTest exten
3201		public void testExceptionallyCompose_actionFailed() {
3202		for (ExecutionMode m : ExecutionMode.values())
3203		for (boolean createIncomplete : new boolean[] { true, false })
3209	–	for (Integer v1 : new Integer[] { 1, null })
3204		{
3205		final CFException ex = new CFException();
3206		final CompletableFuture<Integer> f = new CompletableFuture<>();
#	Line 3221 | Line 3215 | public class CompletableFutureTest exten
3215		r.assertInvoked();
3216		}}
3217
3218	+	/**
3219	+	* exceptionallyCompose result completes exceptionally if the
3220	+	* result of the action does
3221	+	*/
3222	+	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3223	+	for (ExecutionMode m : ExecutionMode.values())
3224	+	for (int order = 0; order < 6; order++)
3225	+	{
3226	+	final CFException ex0 = new CFException();
3227	+	final CFException ex = new CFException();
3228	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3229	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3230	+	final CompletableFuture<Integer> h;
3231	+	// Test all permutations of orders
3232	+	switch (order) {
3233	+	case 0:
3234	+	assertTrue(f.completeExceptionally(ex0));
3235	+	assertTrue(g.completeExceptionally(ex));
3236	+	h = m.exceptionallyCompose(f, x -> g);
3237	+	break;
3238	+	case 1:
3239	+	assertTrue(f.completeExceptionally(ex0));
3240	+	h = m.exceptionallyCompose(f, x -> g);
3241	+	assertTrue(g.completeExceptionally(ex));
3242	+	break;
3243	+	case 2:
3244	+	assertTrue(g.completeExceptionally(ex));
3245	+	assertTrue(f.completeExceptionally(ex0));
3246	+	h = m.exceptionallyCompose(f, x -> g);
3247	+	break;
3248	+	case 3:
3249	+	assertTrue(g.completeExceptionally(ex));
3250	+	h = m.exceptionallyCompose(f, x -> g);
3251	+	assertTrue(f.completeExceptionally(ex0));
3252	+	break;
3253	+	case 4:
3254	+	h = m.exceptionallyCompose(f, x -> g);
3255	+	assertTrue(f.completeExceptionally(ex0));
3256	+	assertTrue(g.completeExceptionally(ex));
3257	+	break;
3258	+	case 5:
3259	+	h = m.exceptionallyCompose(f, x -> g);
3260	+	assertTrue(f.completeExceptionally(ex0));
3261	+	assertTrue(g.completeExceptionally(ex));
3262	+	break;
3263	+	default: throw new AssertionError();
3264	+	}
3265	+
3266	+	checkCompletedExceptionally(g, ex);
3267	+	checkCompletedWithWrappedException(h, ex);
3268	+	checkCompletedExceptionally(f, ex0);
3269	+	}}
3270
3271		// other static methods
3272
#	Line 3601 | Line 3647 | public class CompletableFutureTest exten
3647		final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3648		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3649
3604	–	List<CompletableFuture<?>> futures = new ArrayList<>();
3605	–
3606	–	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3607	–	srcs.add(complete);
3608	–	srcs.add(incomplete);
3609	–
3650		List<CompletableFuture<?>> fs = new ArrayList<>();
3651		fs.add(incomplete.thenRunAsync(() -> {}, e));
3652		fs.add(incomplete.thenAcceptAsync(z -> {}, e));
#	Line 4633 | Line 4673 | public class CompletableFutureTest exten
4673		//         return stage.toCompletableFuture().copy().isDone();
4674		//     }
4675
4676	+	// For testing default implementations
4677	+	// Only non-default interface methods defined.
4678	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4679	+	final CompletableFuture<T> cf;
4680	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4681	+	public CompletableFuture<T> toCompletableFuture() {
4682	+	return cf; }
4683	+	public CompletionStage<Void> thenRun
4684	+	(Runnable action) {
4685	+	return cf.thenRun(action); }
4686	+	public CompletionStage<Void> thenRunAsync
4687	+	(Runnable action) {
4688	+	return cf.thenRunAsync(action); }
4689	+	public CompletionStage<Void> thenRunAsync
4690	+	(Runnable action,
4691	+	Executor executor) {
4692	+	return cf.thenRunAsync(action, executor); }
4693	+	public CompletionStage<Void> thenAccept
4694	+	(Consumer<? super T> action) {
4695	+	return cf.thenAccept(action); }
4696	+	public CompletionStage<Void> thenAcceptAsync
4697	+	(Consumer<? super T> action) {
4698	+	return cf.thenAcceptAsync(action); }
4699	+	public CompletionStage<Void> thenAcceptAsync
4700	+	(Consumer<? super T> action,
4701	+	Executor executor) {
4702	+	return cf.thenAcceptAsync(action, executor); }
4703	+	public <U> CompletionStage<U> thenApply
4704	+	(Function<? super T,? extends U> a) {
4705	+	return cf.thenApply(a); }
4706	+	public <U> CompletionStage<U> thenApplyAsync
4707	+	(Function<? super T,? extends U> fn) {
4708	+	return cf.thenApplyAsync(fn); }
4709	+	public <U> CompletionStage<U> thenApplyAsync
4710	+	(Function<? super T,? extends U> fn,
4711	+	Executor executor) {
4712	+	return cf.thenApplyAsync(fn, executor); }
4713	+	public <U,V> CompletionStage<V> thenCombine
4714	+	(CompletionStage<? extends U> other,
4715	+	BiFunction<? super T,? super U,? extends V> fn) {
4716	+	return cf.thenCombine(other, fn); }
4717	+	public <U,V> CompletionStage<V> thenCombineAsync
4718	+	(CompletionStage<? extends U> other,
4719	+	BiFunction<? super T,? super U,? extends V> fn) {
4720	+	return cf.thenCombineAsync(other, fn); }
4721	+	public <U,V> CompletionStage<V> thenCombineAsync
4722	+	(CompletionStage<? extends U> other,
4723	+	BiFunction<? super T,? super U,? extends V> fn,
4724	+	Executor executor) {
4725	+	return cf.thenCombineAsync(other, fn, executor); }
4726	+	public <U> CompletionStage<Void> thenAcceptBoth
4727	+	(CompletionStage<? extends U> other,
4728	+	BiConsumer<? super T, ? super U> action) {
4729	+	return cf.thenAcceptBoth(other, action); }
4730	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4731	+	(CompletionStage<? extends U> other,
4732	+	BiConsumer<? super T, ? super U> action) {
4733	+	return cf.thenAcceptBothAsync(other, action); }
4734	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4735	+	(CompletionStage<? extends U> other,
4736	+	BiConsumer<? super T, ? super U> action,
4737	+	Executor executor) {
4738	+	return cf.thenAcceptBothAsync(other, action, executor); }
4739	+	public CompletionStage<Void> runAfterBoth
4740	+	(CompletionStage<?> other,
4741	+	Runnable action) {
4742	+	return cf.runAfterBoth(other, action); }
4743	+	public CompletionStage<Void> runAfterBothAsync
4744	+	(CompletionStage<?> other,
4745	+	Runnable action) {
4746	+	return cf.runAfterBothAsync(other, action); }
4747	+	public CompletionStage<Void> runAfterBothAsync
4748	+	(CompletionStage<?> other,
4749	+	Runnable action,
4750	+	Executor executor) {
4751	+	return cf.runAfterBothAsync(other, action, executor); }
4752	+	public <U> CompletionStage<U> applyToEither
4753	+	(CompletionStage<? extends T> other,
4754	+	Function<? super T, U> fn) {
4755	+	return cf.applyToEither(other, fn); }
4756	+	public <U> CompletionStage<U> applyToEitherAsync
4757	+	(CompletionStage<? extends T> other,
4758	+	Function<? super T, U> fn) {
4759	+	return cf.applyToEitherAsync(other, fn); }
4760	+	public <U> CompletionStage<U> applyToEitherAsync
4761	+	(CompletionStage<? extends T> other,
4762	+	Function<? super T, U> fn,
4763	+	Executor executor) {
4764	+	return cf.applyToEitherAsync(other, fn, executor); }
4765	+	public CompletionStage<Void> acceptEither
4766	+	(CompletionStage<? extends T> other,
4767	+	Consumer<? super T> action) {
4768	+	return cf.acceptEither(other, action); }
4769	+	public CompletionStage<Void> acceptEitherAsync
4770	+	(CompletionStage<? extends T> other,
4771	+	Consumer<? super T> action) {
4772	+	return cf.acceptEitherAsync(other, action); }
4773	+	public CompletionStage<Void> acceptEitherAsync
4774	+	(CompletionStage<? extends T> other,
4775	+	Consumer<? super T> action,
4776	+	Executor executor) {
4777	+	return cf.acceptEitherAsync(other, action, executor); }
4778	+	public CompletionStage<Void> runAfterEither
4779	+	(CompletionStage<?> other,
4780	+	Runnable action) {
4781	+	return cf.runAfterEither(other, action); }
4782	+	public CompletionStage<Void> runAfterEitherAsync
4783	+	(CompletionStage<?> other,
4784	+	Runnable action) {
4785	+	return cf.runAfterEitherAsync(other, action); }
4786	+	public CompletionStage<Void> runAfterEitherAsync
4787	+	(CompletionStage<?> other,
4788	+	Runnable action,
4789	+	Executor executor) {
4790	+	return cf.runAfterEitherAsync(other, action, executor); }
4791	+	public <U> CompletionStage<U> thenCompose
4792	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4793	+	return cf.thenCompose(fn); }
4794	+	public <U> CompletionStage<U> thenComposeAsync
4795	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4796	+	return cf.thenComposeAsync(fn); }
4797	+	public <U> CompletionStage<U> thenComposeAsync
4798	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4799	+	Executor executor) {
4800	+	return cf.thenComposeAsync(fn, executor); }
4801	+	public <U> CompletionStage<U> handle
4802	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4803	+	return cf.handle(fn); }
4804	+	public <U> CompletionStage<U> handleAsync
4805	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4806	+	return cf.handleAsync(fn); }
4807	+	public <U> CompletionStage<U> handleAsync
4808	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4809	+	Executor executor) {
4810	+	return cf.handleAsync(fn, executor); }
4811	+	public CompletionStage<T> whenComplete
4812	+	(BiConsumer<? super T, ? super Throwable> action) {
4813	+	return cf.whenComplete(action); }
4814	+	public CompletionStage<T> whenCompleteAsync
4815	+	(BiConsumer<? super T, ? super Throwable> action) {
4816	+	return cf.whenCompleteAsync(action); }
4817	+	public CompletionStage<T> whenCompleteAsync
4818	+	(BiConsumer<? super T, ? super Throwable> action,
4819	+	Executor executor) {
4820	+	return cf.whenCompleteAsync(action, executor); }
4821	+	public CompletionStage<T> exceptionally
4822	+	(Function<Throwable, ? extends T> fn) {
4823	+	return cf.exceptionally(fn); }
4824	+	}
4825	+
4826	+	/**
4827	+	* default-implemented exceptionallyAsync action is not invoked when
4828	+	* source completes normally, and source result is propagated
4829	+	*/
4830	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4831	+	for (boolean createIncomplete : new boolean[] { true, false })
4832	+	for (Integer v1 : new Integer[] { 1, null })
4833	+	{
4834	+	final AtomicInteger ran = new AtomicInteger(0);
4835	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4836	+	final DelegatedCompletionStage<Integer> d =
4837	+	new DelegatedCompletionStage<Integer>(f);
4838	+	if (!createIncomplete) assertTrue(f.complete(v1));
4839	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4840	+	((Throwable t) -> {
4841	+	ran.getAndIncrement();
4842	+	throw new AssertionError("should not be called");
4843	+	});
4844	+	if (createIncomplete) assertTrue(f.complete(v1));
4845	+
4846	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4847	+	checkCompletedNormally(f, v1);
4848	+	assertEquals(0, ran.get());
4849	+	}}
4850	+
4851	+	/**
4852	+	* default-implemented exceptionallyAsync action completes with
4853	+	* function value on source exception
4854	+	*/
4855	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4856	+	for (boolean createIncomplete : new boolean[] { true, false })
4857	+	for (Integer v1 : new Integer[] { 1, null })
4858	+	{
4859	+	final AtomicInteger ran = new AtomicInteger(0);
4860	+	final CFException ex = new CFException();
4861	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4862	+	final DelegatedCompletionStage<Integer> d =
4863	+	new DelegatedCompletionStage<Integer>(f);
4864	+	if (!createIncomplete) f.completeExceptionally(ex);
4865	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4866	+	((Throwable t) -> {
4867	+	assertSame(t, ex);
4868	+	ran.getAndIncrement();
4869	+	return v1;
4870	+	});
4871	+	if (createIncomplete) f.completeExceptionally(ex);
4872	+
4873	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4874	+	assertEquals(1, ran.get());
4875	+	}}
4876	+
4877	+	/**
4878	+	* Under default implementation, if an "exceptionally action"
4879	+	* throws an exception, it completes exceptionally with that
4880	+	* exception
4881	+	*/
4882	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4883	+	for (boolean createIncomplete : new boolean[] { true, false })
4884	+	{
4885	+	final AtomicInteger ran = new AtomicInteger(0);
4886	+	final CFException ex1 = new CFException();
4887	+	final CFException ex2 = new CFException();
4888	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4889	+	final DelegatedCompletionStage<Integer> d =
4890	+	new DelegatedCompletionStage<Integer>(f);
4891	+	if (!createIncomplete) f.completeExceptionally(ex1);
4892	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4893	+	((Throwable t) -> {
4894	+	assertSame(t, ex1);
4895	+	ran.getAndIncrement();
4896	+	throw ex2;
4897	+	});
4898	+	if (createIncomplete) f.completeExceptionally(ex1);
4899	+
4900	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4901	+	checkCompletedExceptionally(f, ex1);
4902	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4903	+	assertEquals(1, ran.get());
4904	+	}}
4905	+
4906	+	/**
4907	+	* default-implemented exceptionallyCompose result completes
4908	+	* normally after normal completion of source
4909	+	*/
4910	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4911	+	for (boolean createIncomplete : new boolean[] { true, false })
4912	+	for (Integer v1 : new Integer[] { 1, null })
4913	+	{
4914	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4915	+	final ExceptionalCompletableFutureFunction r =
4916	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4917	+	final DelegatedCompletionStage<Integer> d =
4918	+	new DelegatedCompletionStage<Integer>(f);
4919	+	if (!createIncomplete) assertTrue(f.complete(v1));
4920	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4921	+	if (createIncomplete) assertTrue(f.complete(v1));
4922	+
4923	+	checkCompletedNormally(f, v1);
4924	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4925	+	r.assertNotInvoked();
4926	+	}}
4927	+
4928	+	/**
4929	+	* default-implemented exceptionallyCompose result completes
4930	+	* normally after exceptional completion of source
4931	+	*/
4932	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4933	+	for (boolean createIncomplete : new boolean[] { true, false })
4934	+	{
4935	+	final CFException ex = new CFException();
4936	+	final ExceptionalCompletableFutureFunction r =
4937	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4938	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4939	+	final DelegatedCompletionStage<Integer> d =
4940	+	new DelegatedCompletionStage<Integer>(f);
4941	+	if (!createIncomplete) f.completeExceptionally(ex);
4942	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4943	+	if (createIncomplete) f.completeExceptionally(ex);
4944	+
4945	+	checkCompletedExceptionally(f, ex);
4946	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4947	+	r.assertInvoked();
4948	+	}}
4949	+
4950	+	/**
4951	+	* default-implemented exceptionallyCompose completes
4952	+	* exceptionally on exception if action does
4953	+	*/
4954	+	public void testDefaultExceptionallyCompose_actionFailed() {
4955	+	for (boolean createIncomplete : new boolean[] { true, false })
4956	+	{
4957	+	final CFException ex = new CFException();
4958	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4959	+	final FailingExceptionalCompletableFutureFunction r
4960	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4961	+	final DelegatedCompletionStage<Integer> d =
4962	+	new DelegatedCompletionStage<Integer>(f);
4963	+	if (!createIncomplete) f.completeExceptionally(ex);
4964	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4965	+	if (createIncomplete) f.completeExceptionally(ex);
4966	+
4967	+	checkCompletedExceptionally(f, ex);
4968	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4969	+	r.assertInvoked();
4970	+	}}
4971	+
4972	+	/**
4973	+	* default-implemented exceptionallyComposeAsync result completes
4974	+	* normally after normal completion of source
4975	+	*/
4976	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4977	+	for (boolean createIncomplete : new boolean[] { true, false })
4978	+	for (Integer v1 : new Integer[] { 1, null })
4979	+	{
4980	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4981	+	final ExceptionalCompletableFutureFunction r =
4982	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4983	+	final DelegatedCompletionStage<Integer> d =
4984	+	new DelegatedCompletionStage<Integer>(f);
4985	+	if (!createIncomplete) assertTrue(f.complete(v1));
4986	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4987	+	if (createIncomplete) assertTrue(f.complete(v1));
4988	+
4989	+	checkCompletedNormally(f, v1);
4990	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4991	+	r.assertNotInvoked();
4992	+	}}
4993	+
4994	+	/**
4995	+	* default-implemented exceptionallyComposeAsync result completes
4996	+	* normally after exceptional completion of source
4997	+	*/
4998	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4999	+	for (boolean createIncomplete : new boolean[] { true, false })
5000	+	{
5001	+	final CFException ex = new CFException();
5002	+	final ExceptionalCompletableFutureFunction r =
5003	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5004	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5005	+	final DelegatedCompletionStage<Integer> d =
5006	+	new DelegatedCompletionStage<Integer>(f);
5007	+	if (!createIncomplete) f.completeExceptionally(ex);
5008	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5009	+	if (createIncomplete) f.completeExceptionally(ex);
5010	+
5011	+	checkCompletedExceptionally(f, ex);
5012	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5013	+	r.assertInvoked();
5014	+	}}
5015	+
5016	+	/**
5017	+	* default-implemented exceptionallyComposeAsync completes
5018	+	* exceptionally on exception if action does
5019	+	*/
5020	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5021	+	for (boolean createIncomplete : new boolean[] { true, false })
5022	+	{
5023	+	final CFException ex = new CFException();
5024	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5025	+	final FailingExceptionalCompletableFutureFunction r
5026	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5027	+	final DelegatedCompletionStage<Integer> d =
5028	+	new DelegatedCompletionStage<Integer>(f);
5029	+	if (!createIncomplete) f.completeExceptionally(ex);
5030	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5031	+	if (createIncomplete) f.completeExceptionally(ex);
5032	+
5033	+	checkCompletedExceptionally(f, ex);
5034	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5035	+	r.assertInvoked();
5036	+	}}
5037	+
5038	+	/**
5039	+	* default-implemented exceptionallyComposeAsync result completes
5040	+	* normally after normal completion of source
5041	+	*/
5042	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5043	+	for (boolean createIncomplete : new boolean[] { true, false })
5044	+	for (Integer v1 : new Integer[] { 1, null })
5045	+	{
5046	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5047	+	final ExceptionalCompletableFutureFunction r =
5048	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5049	+	final DelegatedCompletionStage<Integer> d =
5050	+	new DelegatedCompletionStage<Integer>(f);
5051	+	if (!createIncomplete) assertTrue(f.complete(v1));
5052	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5053	+	if (createIncomplete) assertTrue(f.complete(v1));
5054	+
5055	+	checkCompletedNormally(f, v1);
5056	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5057	+	r.assertNotInvoked();
5058	+	}}
5059	+
5060	+	/**
5061	+	* default-implemented exceptionallyComposeAsync result completes
5062	+	* normally after exceptional completion of source
5063	+	*/
5064	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5065	+	for (boolean createIncomplete : new boolean[] { true, false })
5066	+	{
5067	+	final CFException ex = new CFException();
5068	+	final ExceptionalCompletableFutureFunction r =
5069	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5070	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5071	+	final DelegatedCompletionStage<Integer> d =
5072	+	new DelegatedCompletionStage<Integer>(f);
5073	+	if (!createIncomplete) f.completeExceptionally(ex);
5074	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5075	+	if (createIncomplete) f.completeExceptionally(ex);
5076	+
5077	+	checkCompletedExceptionally(f, ex);
5078	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5079	+	r.assertInvoked();
5080	+	}}
5081	+
5082	+	/**
5083	+	* default-implemented exceptionallyComposeAsync completes
5084	+	* exceptionally on exception if action does
5085	+	*/
5086	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5087	+	for (boolean createIncomplete : new boolean[] { true, false })
5088	+	{
5089	+	final CFException ex = new CFException();
5090	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5091	+	final FailingExceptionalCompletableFutureFunction r
5092	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5093	+	final DelegatedCompletionStage<Integer> d =
5094	+	new DelegatedCompletionStage<Integer>(f);
5095	+	if (!createIncomplete) f.completeExceptionally(ex);
5096	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5097	+	if (createIncomplete) f.completeExceptionally(ex);
5098	+
5099	+	checkCompletedExceptionally(f, ex);
5100	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5101	+	r.assertInvoked();
5102	+	}}
5103	+
5104		}

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