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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.7 by jsr166, Fri Mar 22 16:29:42 2013 UTC vs.
Revision 1.17 by jsr166, Thu Apr 4 04:16:02 2013 UTC

#	Line 53 | Line 53 | public class CompletableFutureTest exten
53		catch (Throwable fail) { threadUnexpectedException(fail); }
54		}
55
56	<	void checkCompletedNormally(CompletableFuture<?> f, Object value) {
56	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
57		try {
58		assertEquals(value, f.join());
59		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | Line 75 | public class CompletableFutureTest exten
75		try {
76		f.join();
77		shouldThrow();
78	<	} catch (Throwable ex) {
79	<	assertTrue(ex instanceof CompletionException &&
80	<	((CompletionException)ex).getCause() instanceof CFException);
78	>	} catch (CompletionException success) {
79	>	assertTrue(success.getCause() instanceof CFException);
80		}
81		try {
82		f.getNow(null);
83		shouldThrow();
84	<	} catch (Throwable ex) {
85	<	assertTrue(ex instanceof CompletionException &&
87	<	((CompletionException)ex).getCause() instanceof CFException);
84	>	} catch (CompletionException success) {
85	>	assertTrue(success.getCause() instanceof CFException);
86		}
87		try {
88		f.get();
89		shouldThrow();
90	<	} catch (Throwable ex) {
91	<	assertTrue(ex instanceof ExecutionException &&
92	<	((ExecutionException)ex).getCause() instanceof CFException);
95	<	}
90	>	} catch (ExecutionException success) {
91	>	assertTrue(success.getCause() instanceof CFException);
92	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
93		try {
94		f.get(0L, SECONDS);
95		shouldThrow();
96	<	} catch (Throwable ex) {
97	<	assertTrue(ex instanceof ExecutionException &&
98	<	((ExecutionException)ex).getCause() instanceof CFException);
102	<	}
96	>	} catch (ExecutionException success) {
97	>	assertTrue(success.getCause() instanceof CFException);
98	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
99		assertTrue(f.isDone());
100		assertFalse(f.isCancelled());
101	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
102		}
103
104		void checkCancelled(CompletableFuture<?> f) {
105		try {
106		f.join();
107		shouldThrow();
108	<	} catch (Throwable ex) {
112	<	assertTrue(ex instanceof CancellationException);
113	<	}
108	>	} catch (CancellationException success) {}
109		try {
110		f.getNow(null);
111		shouldThrow();
112	<	} catch (Throwable ex) {
118	<	assertTrue(ex instanceof CancellationException);
119	<	}
112	>	} catch (CancellationException success) {}
113		try {
114		f.get();
115		shouldThrow();
116	<	} catch (Throwable ex) {
117	<	assertTrue(ex instanceof CancellationException);
125	<	}
116	>	} catch (CancellationException success) {
117	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
118		try {
119		f.get(0L, SECONDS);
120		shouldThrow();
121	<	} catch (Throwable ex) {
122	<	assertTrue(ex instanceof CancellationException);
131	<	}
121	>	} catch (CancellationException success) {
122	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
123		assertTrue(f.isDone());
124		assertTrue(f.isCancelled());
125	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
126		}
127
128		void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
129		try {
130		f.join();
131		shouldThrow();
132	<	} catch (Throwable ex) {
133	<	assertTrue(ex instanceof CompletionException &&
142	<	((CompletionException)ex).getCause() instanceof CancellationException);
132	>	} catch (CompletionException success) {
133	>	assertTrue(success.getCause() instanceof CancellationException);
134		}
135		try {
136		f.getNow(null);
137		shouldThrow();
138	<	} catch (Throwable ex) {
139	<	assertTrue(ex instanceof CompletionException &&
149	<	((CompletionException)ex).getCause() instanceof CancellationException);
138	>	} catch (CompletionException success) {
139	>	assertTrue(success.getCause() instanceof CancellationException);
140		}
141		try {
142		f.get();
143		shouldThrow();
144	<	} catch (Throwable ex) {
145	<	assertTrue(ex instanceof ExecutionException &&
146	<	((ExecutionException)ex).getCause() instanceof CancellationException);
157	<	}
144	>	} catch (ExecutionException success) {
145	>	assertTrue(success.getCause() instanceof CancellationException);
146	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
147		try {
148		f.get(0L, SECONDS);
149		shouldThrow();
150	<	} catch (Throwable ex) {
151	<	assertTrue(ex instanceof ExecutionException &&
152	<	((ExecutionException)ex).getCause() instanceof CancellationException);
164	<	}
150	>	} catch (ExecutionException success) {
151	>	assertTrue(success.getCause() instanceof CancellationException);
152	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
153		assertTrue(f.isDone());
154		assertFalse(f.isCancelled());
155	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
156		}
157
158		/**
#	Line 285 | Line 274 | public class CompletableFutureTest exten
274		assertTrue(f.toString().contains("[Completed exceptionally]"));
275		}
276
277	+	/**
278	+	* completedFuture returns a completed CompletableFuture with given value
279	+	*/
280	+	public void testCompletedFuture() {
281	+	CompletableFuture<String> f = CompletableFuture.completedFuture("test");
282	+	checkCompletedNormally(f, "test");
283	+	}
284	+
285		static final Supplier<Integer> supplyOne =
286		() -> Integer.valueOf(1);
287		static final Function<Integer, Integer> inc =
#	Line 348 | Line 345 | public class CompletableFutureTest exten
345
346		// Used for explicit executor tests
347		static final class ThreadExecutor implements Executor {
348	+	AtomicInteger count = new AtomicInteger(0);
349	+
350		public void execute(Runnable r) {
351	+	count.getAndIncrement();
352		new Thread(r).start();
353		}
354		}
#	Line 358 | Line 358 | public class CompletableFutureTest exten
358		}
359
360		static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
361	+	boolean ran;
362		public Integer apply(Integer x, Throwable t) {
363	+	ran = true;
364		return (t == null) ? two : three;
365		}
366		}
#	Line 387 | Line 389 | public class CompletableFutureTest exten
389		* normal or exceptional completion of source
390		*/
391		public void testHandle() {
392	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
393	<	IntegerHandler r = new IntegerHandler();
394	<	CompletableFuture<Integer> g = f.handle(r);
392	>	CompletableFuture<Integer> f, g;
393	>	IntegerHandler r;
394	>
395	>	f = new CompletableFuture<Integer>();
396		f.completeExceptionally(new CFException());
397	+	g = f.handle(r = new IntegerHandler());
398	+	assertTrue(r.ran);
399		checkCompletedNormally(g, three);
400
401		f = new CompletableFuture<Integer>();
402	<	r = new IntegerHandler();
403	<	g = f.handle(r);
402	>	g = f.handle(r = new IntegerHandler());
403	>	assertFalse(r.ran);
404	>	f.completeExceptionally(new CFException());
405	>	checkCompletedNormally(g, three);
406	>	assertTrue(r.ran);
407	>
408	>	f = new CompletableFuture<Integer>();
409		f.complete(one);
410	+	g = f.handle(r = new IntegerHandler());
411	+	assertTrue(r.ran);
412	+	checkCompletedNormally(g, two);
413	+
414	+	f = new CompletableFuture<Integer>();
415	+	g = f.handle(r = new IntegerHandler());
416	+	assertFalse(r.ran);
417	+	f.complete(one);
418	+	assertTrue(r.ran);
419		checkCompletedNormally(g, two);
420		}
421
#	Line 408 | Line 427 | public class CompletableFutureTest exten
427		CompletableFuture<Void> f = CompletableFuture.runAsync(r);
428		assertNull(f.join());
429		assertTrue(r.ran);
430	+	checkCompletedNormally(f, null);
431		}
432
433		/**
#	Line 415 | Line 435 | public class CompletableFutureTest exten
435		*/
436		public void testRunAsync2() {
437		Noop r = new Noop();
438	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, new ThreadExecutor());
438	>	ThreadExecutor exec = new ThreadExecutor();
439	>	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
440		assertNull(f.join());
441		assertTrue(r.ran);
442	+	checkCompletedNormally(f, null);
443	+	assertEquals(1, exec.count.get());
444		}
445
446		/**
#	Line 434 | Line 457 | public class CompletableFutureTest exten
457		* supplyAsync completes with result of supplier
458		*/
459		public void testSupplyAsync() {
460	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne);
460	>	CompletableFuture<Integer> f;
461	>	f = CompletableFuture.supplyAsync(supplyOne);
462		assertEquals(f.join(), one);
463	+	checkCompletedNormally(f, one);
464		}
465
466		/**
467		* supplyAsync with executor completes with result of supplier
468		*/
469		public void testSupplyAsync2() {
470	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
470	>	CompletableFuture<Integer> f;
471	>	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
472		assertEquals(f.join(), one);
473	+	checkCompletedNormally(f, one);
474		}
475
476		/**
#	Line 2358 | Line 2385 | public class CompletableFutureTest exten
2385		CompletableFuture[] fs = new CompletableFuture[k];
2386		for (int i = 0; i < k; ++i)
2387		fs[i] = new CompletableFuture<Integer>();
2388	<	CompletableFuture<?> f = CompletableFuture.allOf(fs);
2388	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2389		for (int i = 0; i < k; ++i) {
2390		checkIncomplete(f);
2391		fs[i].complete(one);
2392		}
2393	<	assertTrue(f.isDone());
2367	<	assertFalse(f.isCancelled());
2393	>	checkCompletedNormally(f, null);
2394		}
2395		}
2396
#	Line 2377 | Line 2403 | public class CompletableFutureTest exten
2403		}
2404
2405		/**
2406	<	* allOf returns a future completed when any components complete
2406	>	* anyOf returns a future completed when any components complete
2407		*/
2408		public void testAnyOf() throws Exception {
2409		for (int k = 1; k < 20; ++k) {
2410		CompletableFuture[] fs = new CompletableFuture[k];
2411		for (int i = 0; i < k; ++i)
2412		fs[i] = new CompletableFuture<Integer>();
2413	<	CompletableFuture<?> f = CompletableFuture.anyOf(fs);
2413	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2414		checkIncomplete(f);
2415		for (int i = 0; i < k; ++i) {
2416		fs[i].complete(one);
2417	<	assertTrue(f.isDone());
2417	>	checkCompletedNormally(f, one);
2418		}
2419		}
2420		}
#	Line 2399 | Line 2425 | public class CompletableFutureTest exten
2425		public void testNPE() {
2426		CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2427		CompletableFuture<Integer> g = new CompletableFuture<Integer>();
2428	<	CompletableFuture h;
2429	<	try { h = f.thenApply(null); } catch (NullPointerException ok) {}
2430	<	try { h = f.thenAccept(null); } catch (NullPointerException ok) {}
2431	<	try { h = f.thenRun(null); } catch (NullPointerException ok) {}
2432	<	try { h = f.thenCombine(g, null); } catch (NullPointerException ok) {}
2433	<	try { h = f.thenCombine(null, null); } catch (NullPointerException ok) {}
2434	<	try { h = f.applyToEither(g, null); } catch (NullPointerException ok) {}
2435	<	try { h = f.applyToEither(null, null); } catch (NullPointerException ok) {}
2436	<	try { h = f.thenAcceptBoth(g, null); } catch (NullPointerException ok) {}
2437	<	try { h = f.thenAcceptBoth(null, null); } catch (NullPointerException ok) {}
2438	<	try { h = f.runAfterEither(g, null); } catch (NullPointerException ok) {}
2439	<	try { h = f.runAfterEither(null, null); } catch (NullPointerException ok) {}
2440	<	try { h = f.runAfterBoth(g, null); } catch (NullPointerException ok) {}
2441	<	try { h = f.runAfterBoth(null, null); } catch (NullPointerException ok) {}
2442	<	try { h = f.exceptionally(null); } catch (NullPointerException ok) {}
2443	<	try { h = f.handle(null); } catch (NullPointerException ok) {}
2444	<	try { h = f.thenCompose(null); } catch (NullPointerException ok) {}
2445	<
2446	<	try { h = f.thenApplyAsync(null); } catch (NullPointerException ok) {}
2447	<	try { h = f.thenAcceptAsync(null); } catch (NullPointerException ok) {}
2448	<	try { h = f.thenRunAsync(null); } catch (NullPointerException ok) {}
2449	<	try { h = f.thenCombineAsync(g, null); } catch (NullPointerException ok) {}
2450	<	try { h = f.thenCombineAsync(null, null); } catch (NullPointerException ok) {}
2451	<	try { h = f.applyToEitherAsync(g, null); } catch (NullPointerException ok) {}
2452	<	try { h = f.applyToEitherAsync(null, null); } catch (NullPointerException ok) {}
2453	<	try { h = f.thenAcceptBothAsync(g, null); } catch (NullPointerException ok) {}
2454	<	try { h = f.thenAcceptBothAsync(null, null); } catch (NullPointerException ok) {}
2455	<	try { h = f.runAfterEitherAsync(g, null); } catch (NullPointerException ok) {}
2456	<	try { h = f.runAfterEitherAsync(null, null); } catch (NullPointerException ok) {}
2457	<	try { h = f.runAfterBothAsync(g, null); } catch (NullPointerException ok) {}
2458	<	try { h = f.runAfterBothAsync(null, null); } catch (NullPointerException ok) {}
2428	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2429	>	CompletableFuture<?> h;
2430	>	ThreadExecutor exec = new ThreadExecutor();
2431	>
2432	>	Runnable[] throwingActions = {
2433	>	() -> { CompletableFuture.supplyAsync(null); },
2434	>	() -> { CompletableFuture.supplyAsync(null, exec); },
2435	>	() -> { CompletableFuture.supplyAsync(supplyOne, null); },
2436	>
2437	>	() -> { CompletableFuture.runAsync(null); },
2438	>	() -> { CompletableFuture.runAsync(null, exec); },
2439	>	() -> { CompletableFuture.runAsync(() -> {}, null); },
2440	>
2441	>	() -> { f.completeExceptionally(null); },
2442	>
2443	>	() -> { f.thenApply(null); },
2444	>	() -> { f.thenApplyAsync(null); },
2445	>	() -> { f.thenApplyAsync((x) -> x, null); },
2446	>	() -> { f.thenApplyAsync(null, exec); },
2447	>
2448	>	() -> { f.thenAccept(null); },
2449	>	() -> { f.thenAcceptAsync(null); },
2450	>	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
2451	>	() -> { f.thenAcceptAsync(null, exec); },
2452	>
2453	>	() -> { f.thenRun(null); },
2454	>	() -> { f.thenRunAsync(null); },
2455	>	() -> { f.thenRunAsync(() -> { ; }, null); },
2456	>	() -> { f.thenRunAsync(null, exec); },
2457	>
2458	>	() -> { f.thenCombine(g, null); },
2459	>	() -> { f.thenCombineAsync(g, null); },
2460	>	() -> { f.thenCombineAsync(g, null, exec); },
2461	>	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
2462	>	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2463	>	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2464	>	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2465	>
2466	>	() -> { f.thenAcceptBoth(g, null); },
2467	>	() -> { f.thenAcceptBothAsync(g, null); },
2468	>	() -> { f.thenAcceptBothAsync(g, null, exec); },
2469	>	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2470	>	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2471	>	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2472	>	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2473	>
2474	>	() -> { f.runAfterBoth(g, null); },
2475	>	() -> { f.runAfterBothAsync(g, null); },
2476	>	() -> { f.runAfterBothAsync(g, null, exec); },
2477	>	() -> { f.runAfterBoth(nullFuture, () -> {}); },
2478	>	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2479	>	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2480	>	() -> { f.runAfterBothAsync(g, () -> {}, null); },
2481	>
2482	>	() -> { f.applyToEither(g, null); },
2483	>	() -> { f.applyToEitherAsync(g, null); },
2484	>	() -> { f.applyToEitherAsync(g, null, exec); },
2485	>	() -> { f.applyToEither(nullFuture, (x) -> x); },
2486	>	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2487	>	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2488	>	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
2489	>
2490	>	() -> { f.acceptEither(g, null); },
2491	>	() -> { f.acceptEitherAsync(g, null); },
2492	>	() -> { f.acceptEitherAsync(g, null, exec); },
2493	>	() -> { f.acceptEither(nullFuture, (x) -> {}); },
2494	>	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2495	>	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2496	>	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
2497	>
2498	>	() -> { f.runAfterEither(g, null); },
2499	>	() -> { f.runAfterEitherAsync(g, null); },
2500	>	() -> { f.runAfterEitherAsync(g, null, exec); },
2501	>	() -> { f.runAfterEither(nullFuture, () -> {}); },
2502	>	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
2503	>	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
2504	>	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
2505	>
2506	>	() -> { f.thenCompose(null); },
2507	>	() -> { f.thenComposeAsync(null); },
2508	>	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
2509	>	() -> { f.thenComposeAsync(null, exec); },
2510	>
2511	>	() -> { f.exceptionally(null); },
2512	>
2513	>	() -> { f.handle(null); },
2514	>
2515	>	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
2516	>	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
2517	>	() -> { CompletableFuture.allOf(f, null); },
2518	>	() -> { CompletableFuture.allOf(null, f); },
2519	>
2520	>	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
2521	>	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
2522	>	() -> { CompletableFuture.anyOf(f, null); },
2523	>	() -> { CompletableFuture.anyOf(null, f); },
2524	>	};
2525
2526	+	assertThrows(NullPointerException.class, throwingActions);
2527	+	assertEquals(0, exec.count.get());
2528		}
2529
2436	–
2530		}

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