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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.6 by jsr166, Fri Mar 22 16:10:19 2013 UTC vs.
Revision 1.15 by jsr166, Wed Apr 3 16:59:57 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 358 | Line 355 | public class CompletableFutureTest exten
355		}
356
357		static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
358	+	boolean ran;
359		public Integer apply(Integer x, Throwable t) {
360	+	ran = true;
361		return (t == null) ? two : three;
362		}
363		}
#	Line 387 | Line 386 | public class CompletableFutureTest exten
386		* normal or exceptional completion of source
387		*/
388		public void testHandle() {
389	<	CompletableFuture<Integer> f = new CompletableFuture<Integer>();
390	<	IntegerHandler r = new IntegerHandler();
391	<	CompletableFuture<Integer> g = f.handle(r);
389	>	CompletableFuture<Integer> f, g;
390	>	IntegerHandler r;
391	>
392	>	f = new CompletableFuture<Integer>();
393		f.completeExceptionally(new CFException());
394	+	g = f.handle(r = new IntegerHandler());
395	+	assertTrue(r.ran);
396		checkCompletedNormally(g, three);
397
398		f = new CompletableFuture<Integer>();
399	<	r = new IntegerHandler();
400	<	g = f.handle(r);
399	>	g = f.handle(r = new IntegerHandler());
400	>	assertFalse(r.ran);
401	>	f.completeExceptionally(new CFException());
402	>	checkCompletedNormally(g, three);
403	>	assertTrue(r.ran);
404	>
405	>	f = new CompletableFuture<Integer>();
406	>	f.complete(one);
407	>	g = f.handle(r = new IntegerHandler());
408	>	assertTrue(r.ran);
409	>	checkCompletedNormally(g, two);
410	>
411	>	f = new CompletableFuture<Integer>();
412	>	g = f.handle(r = new IntegerHandler());
413	>	assertFalse(r.ran);
414		f.complete(one);
415	+	assertTrue(r.ran);
416		checkCompletedNormally(g, two);
417		}
418
#	Line 408 | Line 424 | public class CompletableFutureTest exten
424		CompletableFuture<Void> f = CompletableFuture.runAsync(r);
425		assertNull(f.join());
426		assertTrue(r.ran);
427	+	checkCompletedNormally(f, null);
428		}
429
430		/**
#	Line 418 | Line 435 | public class CompletableFutureTest exten
435		CompletableFuture<Void> f = CompletableFuture.runAsync(r, new ThreadExecutor());
436		assertNull(f.join());
437		assertTrue(r.ran);
438	+	checkCompletedNormally(f, null);
439		}
440
441		/**
#	Line 456 | Line 474 | public class CompletableFutureTest exten
474		assertTrue(r.ran);
475		}
476
477	<	// seq conmpletion methods
477	>	// seq completion methods
478
479		/**
480		* thenRun result completes normally after normal completion of source
#	Line 1671 | Line 1689 | public class CompletableFutureTest exten
1689		}
1690
1691		/**
1692	<	* thenCompse result completes normally after normal completion of source
1692	>	* thenComposeAsync result completes normally after normal
1693	>	* completion of source
1694		*/
1695		public void testThenComposeAsync() {
1696		CompletableFuture<Integer> f = new CompletableFuture<Integer>();
#	Line 1682 | Line 1701 | public class CompletableFutureTest exten
1701		}
1702
1703		/**
1704	<	* thenComposeAsync result completes exceptionally after exceptional
1705	<	* completion of source
1704	>	* thenComposeAsync result completes exceptionally after
1705	>	* exceptional completion of source
1706		*/
1707		public void testThenComposeAsync2() {
1708		CompletableFuture<Integer> f = new CompletableFuture<Integer>();
#	Line 1716 | Line 1735 | public class CompletableFutureTest exten
1735		}
1736
1737
1738	<	// aaync with explicit executors
1738	>	// async with explicit executors
1739
1740		/**
1741		* thenRunAsync result completes normally after normal completion of source
#	Line 2293 | Line 2312 | public class CompletableFutureTest exten
2312		}
2313
2314		/**
2315	<	* thenCompse result completes normally after normal completion of source
2315	>	* thenComposeAsync result completes normally after normal
2316	>	* completion of source
2317		*/
2318		public void testThenComposeAsyncE() {
2319		CompletableFuture<Integer> f = new CompletableFuture<Integer>();
#	Line 2304 | Line 2324 | public class CompletableFutureTest exten
2324		}
2325
2326		/**
2327	<	* thenComposeAsync result completes exceptionally after exceptional
2328	<	* completion of source
2327	>	* thenComposeAsync result completes exceptionally after
2328	>	* exceptional completion of source
2329		*/
2330		public void testThenComposeAsync2E() {
2331		CompletableFuture<Integer> f = new CompletableFuture<Integer>();
#	Line 2356 | Line 2376 | public class CompletableFutureTest exten
2376		CompletableFuture[] fs = new CompletableFuture[k];
2377		for (int i = 0; i < k; ++i)
2378		fs[i] = new CompletableFuture<Integer>();
2379	<	CompletableFuture<?> f = CompletableFuture.allOf(fs);
2379	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2380		for (int i = 0; i < k; ++i) {
2381		checkIncomplete(f);
2382		fs[i].complete(one);
2383		}
2384	<	assertTrue(f.isDone());
2365	<	assertFalse(f.isCancelled());
2384	>	checkCompletedNormally(f, null);
2385		}
2386		}
2387
#	Line 2375 | Line 2394 | public class CompletableFutureTest exten
2394		}
2395
2396		/**
2397	<	* allOf returns a future completed when any components complete
2397	>	* anyOf returns a future completed when any components complete
2398		*/
2399		public void testAnyOf() throws Exception {
2400		for (int k = 1; k < 20; ++k) {
2401		CompletableFuture[] fs = new CompletableFuture[k];
2402		for (int i = 0; i < k; ++i)
2403		fs[i] = new CompletableFuture<Integer>();
2404	<	CompletableFuture<?> f = CompletableFuture.anyOf(fs);
2404	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2405		checkIncomplete(f);
2406		for (int i = 0; i < k; ++i) {
2407		fs[i].complete(one);
2408	<	assertTrue(f.isDone());
2408	>	checkCompletedNormally(f, one);
2409		}
2410		}
2411		}
#	Line 2397 | Line 2416 | public class CompletableFutureTest exten
2416		public void testNPE() {
2417		CompletableFuture<Integer> f = new CompletableFuture<Integer>();
2418		CompletableFuture<Integer> g = new CompletableFuture<Integer>();
2419	<	CompletableFuture h;
2420	<	try { h = f.thenApply(null); } catch (NullPointerException ok) {}
2421	<	try { h = f.thenAccept(null); } catch (NullPointerException ok) {}
2422	<	try { h = f.thenRun(null); } catch (NullPointerException ok) {}
2423	<	try { h = f.thenCombine(g, null); } catch (NullPointerException ok) {}
2424	<	try { h = f.thenCombine(null, null); } catch (NullPointerException ok) {}
2425	<	try { h = f.applyToEither(g, null); } catch (NullPointerException ok) {}
2426	<	try { h = f.applyToEither(null, null); } catch (NullPointerException ok) {}
2427	<	try { h = f.thenAcceptBoth(g, null); } catch (NullPointerException ok) {}
2428	<	try { h = f.thenAcceptBoth(null, null); } catch (NullPointerException ok) {}
2429	<	try { h = f.runAfterEither(g, null); } catch (NullPointerException ok) {}
2430	<	try { h = f.runAfterEither(null, null); } catch (NullPointerException ok) {}
2431	<	try { h = f.runAfterBoth(g, null); } catch (NullPointerException ok) {}
2432	<	try { h = f.runAfterBoth(null, null); } catch (NullPointerException ok) {}
2433	<	try { h = f.exceptionally(null); } catch (NullPointerException ok) {}
2434	<	try { h = f.handle(null); } catch (NullPointerException ok) {}
2435	<	try { h = f.thenCompose(null); } catch (NullPointerException ok) {}
2436	<
2437	<	try { h = f.thenApplyAsync(null); } catch (NullPointerException ok) {}
2438	<	try { h = f.thenAcceptAsync(null); } catch (NullPointerException ok) {}
2439	<	try { h = f.thenRunAsync(null); } catch (NullPointerException ok) {}
2440	<	try { h = f.thenCombineAsync(g, null); } catch (NullPointerException ok) {}
2441	<	try { h = f.thenCombineAsync(null, null); } catch (NullPointerException ok) {}
2442	<	try { h = f.applyToEitherAsync(g, null); } catch (NullPointerException ok) {}
2443	<	try { h = f.applyToEitherAsync(null, null); } catch (NullPointerException ok) {}
2444	<	try { h = f.thenAcceptBothAsync(g, null); } catch (NullPointerException ok) {}
2445	<	try { h = f.thenAcceptBothAsync(null, null); } catch (NullPointerException ok) {}
2446	<	try { h = f.runAfterEitherAsync(g, null); } catch (NullPointerException ok) {}
2447	<	try { h = f.runAfterEitherAsync(null, null); } catch (NullPointerException ok) {}
2448	<	try { h = f.runAfterBothAsync(g, null); } catch (NullPointerException ok) {}
2449	<	try { h = f.runAfterBothAsync(null, null); } catch (NullPointerException ok) {}
2419	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2420	>	CompletableFuture<?> h;
2421	>	Executor exec = new ThreadExecutor();
2422	>
2423	>	Runnable[] throwingActions = {
2424	>	() -> { CompletableFuture.supplyAsync(null); },
2425	>	() -> { CompletableFuture.supplyAsync(null, exec); },
2426	>	() -> { CompletableFuture.supplyAsync(() -> one, null); },
2427	>
2428	>	() -> { CompletableFuture.runAsync(null); },
2429	>	() -> { CompletableFuture.runAsync(null, exec); },
2430	>	() -> { CompletableFuture.runAsync(() -> {}, null); },
2431	>
2432	>	() -> { f.completeExceptionally(null); },
2433	>
2434	>	() -> { f.thenApply(null); },
2435	>	() -> { f.thenApplyAsync(null); },
2436	>	() -> { f.thenApplyAsync((x) -> x, null); },
2437	>	() -> { f.thenApplyAsync(null, exec); },
2438	>
2439	>	() -> { f.thenAccept(null); },
2440	>	() -> { f.thenAcceptAsync(null); },
2441	>	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
2442	>	() -> { f.thenAcceptAsync(null, exec); },
2443	>
2444	>	() -> { f.thenRun(null); },
2445	>	() -> { f.thenRunAsync(null); },
2446	>	() -> { f.thenRunAsync(() -> { ; }, null); },
2447	>	() -> { f.thenRunAsync(null, exec); },
2448	>
2449	>	() -> { f.thenCombine(g, null); },
2450	>	() -> { f.thenCombineAsync(g, null); },
2451	>	() -> { f.thenCombineAsync(g, null, exec); },
2452	>	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
2453	>	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2454	>	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2455	>	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2456	>
2457	>	() -> { f.thenAcceptBoth(g, null); },
2458	>	() -> { f.thenAcceptBothAsync(g, null); },
2459	>	() -> { f.thenAcceptBothAsync(g, null, exec); },
2460	>	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2461	>	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2462	>	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2463	>	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2464	>
2465	>	() -> { f.runAfterBoth(g, null); },
2466	>	() -> { f.runAfterBothAsync(g, null); },
2467	>	() -> { f.runAfterBothAsync(g, null, exec); },
2468	>	() -> { f.runAfterBoth(nullFuture, () -> {}); },
2469	>	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2470	>	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2471	>	() -> { f.runAfterBothAsync(g, () -> {}, null); },
2472	>
2473	>	() -> { f.applyToEither(g, null); },
2474	>	() -> { f.applyToEitherAsync(g, null); },
2475	>	() -> { f.applyToEitherAsync(g, null, exec); },
2476	>	() -> { f.applyToEither(nullFuture, (x) -> x); },
2477	>	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2478	>	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2479	>	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
2480	>
2481	>	() -> { f.acceptEither(g, null); },
2482	>	() -> { f.acceptEitherAsync(g, null); },
2483	>	() -> { f.acceptEitherAsync(g, null, exec); },
2484	>	() -> { f.acceptEither(nullFuture, (x) -> {}); },
2485	>	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2486	>	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2487	>	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
2488	>
2489	>	() -> { f.runAfterEither(g, null); },
2490	>	() -> { f.runAfterEitherAsync(g, null); },
2491	>	() -> { f.runAfterEitherAsync(g, null, exec); },
2492	>	() -> { f.runAfterEither(nullFuture, () -> {}); },
2493	>	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
2494	>	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
2495	>	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
2496	>
2497	>	() -> { f.thenCompose(null); },
2498	>	() -> { f.thenComposeAsync(null); },
2499	>	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
2500	>	() -> { f.thenComposeAsync(null, exec); },
2501	>
2502	>	() -> { f.exceptionally(null); },
2503	>
2504	>	() -> { f.handle(null); },
2505	>
2506	>	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
2507	>	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
2508	>	() -> { CompletableFuture.allOf(f, null); },
2509	>	() -> { CompletableFuture.allOf(null, f); },
2510	>
2511	>	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
2512	>	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
2513	>	() -> { CompletableFuture.anyOf(f, null); },
2514	>	() -> { CompletableFuture.anyOf(null, f); },
2515	>
2516	>	// TODO: Crashes javac with lambda-8-2013-03-31...
2517	>	//() -> { CompletableFuture<?> x = f.thenAccept(null); },
2518	>	//() -> { CompletableFuture<Void> x = f.thenRun(null); },
2519	>	//() -> { CompletableFuture<Integer> x = f.thenApply(() -> { ; }); },
2520	>	};
2521
2522	+	assertThrows(NullPointerException.class, throwingActions);
2523		}
2524
2434	–
2525		}

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