41 |
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import java.util.function.Predicate; |
42 |
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import java.util.function.Supplier; |
43 |
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|
44 |
– |
import junit.framework.AssertionFailedError; |
44 |
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import junit.framework.Test; |
45 |
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import junit.framework.TestSuite; |
46 |
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|
58 |
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void checkIncomplete(CompletableFuture<?> f) { |
59 |
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assertFalse(f.isDone()); |
60 |
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assertFalse(f.isCancelled()); |
61 |
< |
assertTrue(f.toString().contains("Not completed")); |
61 |
> |
assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]")); |
62 |
> |
|
63 |
> |
Object result = null; |
64 |
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try { |
65 |
< |
assertNull(f.getNow(null)); |
65 |
> |
result = f.getNow(null); |
66 |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
67 |
+ |
assertNull(result); |
68 |
+ |
|
69 |
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try { |
70 |
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f.get(randomExpiredTimeout(), randomTimeUnit()); |
71 |
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shouldThrow(); |
74 |
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catch (Throwable fail) { threadUnexpectedException(fail); } |
75 |
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} |
76 |
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|
77 |
< |
<T> void checkCompletedNormally(CompletableFuture<T> f, T value) { |
78 |
< |
checkTimedGet(f, value); |
77 |
> |
<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) { |
78 |
> |
checkTimedGet(f, expectedValue); |
79 |
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|
80 |
+ |
assertEquals(expectedValue, f.join()); |
81 |
+ |
assertEquals(expectedValue, f.getNow(null)); |
82 |
+ |
|
83 |
+ |
T result = null; |
84 |
|
try { |
85 |
< |
assertEquals(value, f.join()); |
79 |
< |
assertEquals(value, f.getNow(null)); |
80 |
< |
assertEquals(value, f.get()); |
85 |
> |
result = f.get(); |
86 |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
87 |
+ |
assertEquals(expectedValue, result); |
88 |
+ |
|
89 |
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assertTrue(f.isDone()); |
90 |
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assertFalse(f.isCancelled()); |
91 |
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assertFalse(f.isCompletedExceptionally()); |
92 |
< |
assertTrue(f.toString().contains("[Completed normally]")); |
92 |
> |
assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]")); |
93 |
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} |
94 |
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|
95 |
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/** |
145 |
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assertFalse(f.isCancelled()); |
146 |
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assertTrue(f.isDone()); |
147 |
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assertTrue(f.isCompletedExceptionally()); |
148 |
< |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
148 |
> |
assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]")); |
149 |
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} |
150 |
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|
151 |
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void checkCompletedWithWrappedCFException(CompletableFuture<?> f) { |
200 |
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assertTrue(f.isDone()); |
201 |
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assertTrue(f.isCompletedExceptionally()); |
202 |
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assertTrue(f.isCancelled()); |
203 |
< |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
203 |
> |
assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]")); |
204 |
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} |
205 |
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|
206 |
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/** |
299 |
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} |
300 |
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|
301 |
|
f = new CompletableFuture<>(); |
302 |
< |
f.completeExceptionally(ex = new CFException()); |
302 |
> |
f.completeExceptionally(new CFException()); |
303 |
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f.obtrudeValue(v1); |
304 |
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checkCompletedNormally(f, v1); |
305 |
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f.obtrudeException(ex = new CFException()); |
336 |
|
/** |
337 |
|
* toString indicates current completion state |
338 |
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*/ |
339 |
< |
public void testToString() { |
340 |
< |
CompletableFuture<String> f; |
341 |
< |
|
342 |
< |
f = new CompletableFuture<String>(); |
343 |
< |
assertTrue(f.toString().contains("[Not completed]")); |
339 |
> |
public void testToString_incomplete() { |
340 |
> |
CompletableFuture<String> f = new CompletableFuture<>(); |
341 |
> |
assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]")); |
342 |
> |
if (testImplementationDetails) |
343 |
> |
assertEquals(identityString(f) + "[Not completed]", |
344 |
> |
f.toString()); |
345 |
> |
} |
346 |
|
|
347 |
+ |
public void testToString_normal() { |
348 |
+ |
CompletableFuture<String> f = new CompletableFuture<>(); |
349 |
|
assertTrue(f.complete("foo")); |
350 |
< |
assertTrue(f.toString().contains("[Completed normally]")); |
350 |
> |
assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]")); |
351 |
> |
if (testImplementationDetails) |
352 |
> |
assertEquals(identityString(f) + "[Completed normally]", |
353 |
> |
f.toString()); |
354 |
> |
} |
355 |
|
|
356 |
< |
f = new CompletableFuture<String>(); |
356 |
> |
public void testToString_exception() { |
357 |
> |
CompletableFuture<String> f = new CompletableFuture<>(); |
358 |
|
assertTrue(f.completeExceptionally(new IndexOutOfBoundsException())); |
359 |
< |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
359 |
> |
assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]")); |
360 |
> |
if (testImplementationDetails) |
361 |
> |
assertTrue(f.toString().startsWith( |
362 |
> |
identityString(f) + "[Completed exceptionally: ")); |
363 |
> |
} |
364 |
|
|
365 |
+ |
public void testToString_cancelled() { |
366 |
|
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { |
367 |
< |
f = new CompletableFuture<String>(); |
367 |
> |
CompletableFuture<String> f = new CompletableFuture<>(); |
368 |
|
assertTrue(f.cancel(mayInterruptIfRunning)); |
369 |
< |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
369 |
> |
assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]")); |
370 |
> |
if (testImplementationDetails) |
371 |
> |
assertTrue(f.toString().startsWith( |
372 |
> |
identityString(f) + "[Completed exceptionally: ")); |
373 |
|
} |
374 |
|
} |
375 |
|
|
1262 |
|
r.assertInvoked(); |
1263 |
|
}} |
1264 |
|
|
1265 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
1266 |
|
public void testRunAsync_rejectingExecutor() { |
1267 |
|
CountingRejectingExecutor e = new CountingRejectingExecutor(); |
1268 |
|
try { |
1309 |
|
r.assertInvoked(); |
1310 |
|
}} |
1311 |
|
|
1312 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
1313 |
|
public void testSupplyAsync_rejectingExecutor() { |
1314 |
|
CountingRejectingExecutor e = new CountingRejectingExecutor(); |
1315 |
|
try { |
4197 |
|
static void assertZero(CompletableFuture<?> f) { |
4198 |
|
try { |
4199 |
|
f.getNow(null); |
4200 |
< |
throw new AssertionFailedError("should throw"); |
4200 |
> |
throw new AssertionError("should throw"); |
4201 |
|
} catch (CompletionException success) { |
4202 |
|
assertTrue(success.getCause() instanceof ZeroException); |
4203 |
|
} |
4322 |
|
} |
4323 |
|
|
4324 |
|
/** Test long recursive chains of CompletableFutures with cascading completions */ |
4325 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
4326 |
|
public void testRecursiveChains() throws Throwable { |
4327 |
|
for (ExecutionMode m : ExecutionMode.values()) |
4328 |
|
for (boolean addDeadEnds : new boolean[] { true, false }) |
4347 |
|
* A single CompletableFuture with many dependents. |
4348 |
|
* A demo of scalability - runtime is O(n). |
4349 |
|
*/ |
4350 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
4351 |
|
public void testManyDependents() throws Throwable { |
4352 |
|
final int n = expensiveTests ? 1_000_000 : 10; |
4353 |
|
final CompletableFuture<Void> head = new CompletableFuture<>(); |
4377 |
|
} |
4378 |
|
|
4379 |
|
/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */ |
4380 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
4381 |
|
public void testCoCompletionGarbageRetention() throws Throwable { |
4382 |
|
final int n = expensiveTests ? 1_000_000 : 10; |
4383 |
|
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
4396 |
|
f.complete(null); |
4397 |
|
|
4398 |
|
f = new CompletableFuture<>(); |
4399 |
< |
CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete }); |
4399 |
> |
CompletableFuture.anyOf(f, incomplete); |
4400 |
|
f.complete(null); |
4401 |
|
} |
4402 |
|
|
4414 |
|
f.complete(null); |
4415 |
|
|
4416 |
|
f = new CompletableFuture<>(); |
4417 |
< |
CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f }); |
4417 |
> |
CompletableFuture.anyOf(incomplete, f); |
4418 |
|
f.complete(null); |
4419 |
|
} |
4420 |
|
} |