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/* |
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* Written by Doug Lea and Martin Buchholz with assistance from |
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* members of JCP JSR-166 Expert Group and released to the public |
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* domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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|
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import junit.framework.*; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.Executor; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.CompletableFuture; |
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import java.util.concurrent.CompletionException; |
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import java.util.concurrent.CompletionStage; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.ForkJoinTask; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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import java.util.*; |
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import java.util.function.Supplier; |
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import java.util.function.Consumer; |
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import java.util.function.BiConsumer; |
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import java.util.function.Function; |
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import java.util.function.BiFunction; |
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|
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public class CompletableFutureTest extends JSR166TestCase { |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(CompletableFutureTest.class); |
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} |
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|
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static class CFException extends RuntimeException {} |
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|
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void checkIncomplete(CompletableFuture<?> f) { |
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assertFalse(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(f.toString().contains("[Not completed]")); |
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try { |
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assertNull(f.getNow(null)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
51 |
try { |
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f.get(0L, SECONDS); |
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shouldThrow(); |
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} |
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catch (TimeoutException success) {} |
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catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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<T> void checkCompletedNormally(CompletableFuture<T> f, T value) { |
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try { |
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assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertEquals(value, f.join()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertEquals(value, f.getNow(null)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertEquals(value, f.get()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertFalse(f.isCompletedExceptionally()); |
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assertTrue(f.toString().contains("[Completed normally]")); |
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} |
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|
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void checkCompletedWithWrappedCFException(CompletableFuture<?> f) { |
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try { |
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f.get(LONG_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertTrue(success.getCause() instanceof CFException); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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f.join(); |
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shouldThrow(); |
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} catch (CompletionException success) { |
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assertTrue(success.getCause() instanceof CFException); |
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} |
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try { |
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f.getNow(null); |
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shouldThrow(); |
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} catch (CompletionException success) { |
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assertTrue(success.getCause() instanceof CFException); |
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} |
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try { |
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f.get(); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertTrue(success.getCause() instanceof CFException); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(f.toString().contains("[Completed exceptionally]")); |
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} |
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|
108 |
<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f, |
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Throwable ex) { |
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try { |
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f.get(LONG_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertSame(ex, success.getCause()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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f.join(); |
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shouldThrow(); |
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} catch (CompletionException success) { |
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assertSame(ex, success.getCause()); |
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} |
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try { |
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f.getNow(null); |
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shouldThrow(); |
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} catch (CompletionException success) { |
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assertSame(ex, success.getCause()); |
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} |
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try { |
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f.get(); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertSame(ex, success.getCause()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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|
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(f.toString().contains("[Completed exceptionally]")); |
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} |
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|
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<U> void checkCompletedWithWrappedException(CompletableFuture<U> f, |
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Throwable ex) { |
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checkCompletedExceptionallyWithRootCause(f, ex); |
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try { |
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CompletableFuture<Throwable> spy = f.handle |
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((U u, Throwable t) -> t); |
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assertTrue(spy.join() instanceof CompletionException); |
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assertSame(ex, spy.join().getCause()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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<U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) { |
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checkCompletedExceptionallyWithRootCause(f, ex); |
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try { |
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CompletableFuture<Throwable> spy = f.handle |
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((U u, Throwable t) -> t); |
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assertSame(ex, spy.join()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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void checkCancelled(CompletableFuture<?> f) { |
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try { |
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f.get(LONG_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (CancellationException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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f.join(); |
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shouldThrow(); |
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} catch (CancellationException success) {} |
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try { |
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f.getNow(null); |
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shouldThrow(); |
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} catch (CancellationException success) {} |
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try { |
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f.get(); |
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shouldThrow(); |
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} catch (CancellationException success) { |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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assertTrue(f.isDone()); |
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assertTrue(f.isCompletedExceptionally()); |
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assertTrue(f.isCancelled()); |
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assertTrue(f.toString().contains("[Completed exceptionally]")); |
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} |
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|
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void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) { |
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try { |
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f.get(LONG_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertTrue(success.getCause() instanceof CancellationException); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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f.join(); |
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shouldThrow(); |
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} catch (CompletionException success) { |
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assertTrue(success.getCause() instanceof CancellationException); |
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} |
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try { |
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f.getNow(null); |
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shouldThrow(); |
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} catch (CompletionException success) { |
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assertTrue(success.getCause() instanceof CancellationException); |
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} |
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try { |
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f.get(); |
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shouldThrow(); |
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} catch (ExecutionException success) { |
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assertTrue(success.getCause() instanceof CancellationException); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(f.isCompletedExceptionally()); |
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assertTrue(f.toString().contains("[Completed exceptionally]")); |
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} |
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|
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/** |
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* A newly constructed CompletableFuture is incomplete, as indicated |
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* by methods isDone, isCancelled, and getNow |
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*/ |
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public void testConstructor() { |
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CompletableFuture<Integer> f = new CompletableFuture<>(); |
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checkIncomplete(f); |
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} |
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|
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/** |
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* complete completes normally, as indicated by methods isDone, |
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* isCancelled, join, get, and getNow |
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*/ |
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public void testComplete() { |
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CompletableFuture<Integer> f = new CompletableFuture<>(); |
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checkIncomplete(f); |
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f.complete(one); |
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checkCompletedNormally(f, one); |
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} |
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|
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/** |
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* completeExceptionally completes exceptionally, as indicated by |
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* methods isDone, isCancelled, join, get, and getNow |
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*/ |
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public void testCompleteExceptionally() { |
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CompletableFuture<Integer> f = new CompletableFuture<>(); |
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CFException ex = new CFException(); |
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checkIncomplete(f); |
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f.completeExceptionally(ex); |
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checkCompletedExceptionally(f, ex); |
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} |
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|
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/** |
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* cancel completes exceptionally and reports cancelled, as indicated by |
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* methods isDone, isCancelled, join, get, and getNow |
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*/ |
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public void testCancel() { |
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CompletableFuture<Integer> f = new CompletableFuture<>(); |
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checkIncomplete(f); |
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assertTrue(f.cancel(true)); |
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checkCancelled(f); |
257 |
} |
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|
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/** |
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* obtrudeValue forces completion with given value |
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*/ |
262 |
public void testObtrudeValue() { |
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CompletableFuture<Integer> f = new CompletableFuture<>(); |
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checkIncomplete(f); |
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f.complete(one); |
266 |
checkCompletedNormally(f, one); |
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f.obtrudeValue(three); |
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checkCompletedNormally(f, three); |
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f.obtrudeValue(two); |
270 |
checkCompletedNormally(f, two); |
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f = new CompletableFuture<>(); |
272 |
f.obtrudeValue(three); |
273 |
checkCompletedNormally(f, three); |
274 |
f.obtrudeValue(null); |
275 |
checkCompletedNormally(f, null); |
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f = new CompletableFuture<>(); |
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f.completeExceptionally(new CFException()); |
278 |
f.obtrudeValue(four); |
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checkCompletedNormally(f, four); |
280 |
} |
281 |
|
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/** |
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* obtrudeException forces completion with given exception |
284 |
*/ |
285 |
public void testObtrudeException() { |
286 |
for (Integer v1 : new Integer[] { 1, null }) |
287 |
{ |
288 |
CFException ex; |
289 |
CompletableFuture<Integer> f; |
290 |
|
291 |
f = new CompletableFuture<>(); |
292 |
f.complete(v1); |
293 |
for (int i = 0; i < 2; i++) { |
294 |
f.obtrudeException(ex = new CFException()); |
295 |
checkCompletedExceptionally(f, ex); |
296 |
} |
297 |
|
298 |
f = new CompletableFuture<>(); |
299 |
for (int i = 0; i < 2; i++) { |
300 |
f.obtrudeException(ex = new CFException()); |
301 |
checkCompletedExceptionally(f, ex); |
302 |
} |
303 |
|
304 |
f = new CompletableFuture<>(); |
305 |
f.completeExceptionally(ex = new CFException()); |
306 |
f.obtrudeValue(v1); |
307 |
checkCompletedNormally(f, v1); |
308 |
f.obtrudeException(ex = new CFException()); |
309 |
checkCompletedExceptionally(f, ex); |
310 |
f.completeExceptionally(new CFException()); |
311 |
checkCompletedExceptionally(f, ex); |
312 |
f.complete(v1); |
313 |
checkCompletedExceptionally(f, ex); |
314 |
}} |
315 |
|
316 |
/** |
317 |
* getNumberOfDependents returns number of dependent tasks |
318 |
*/ |
319 |
public void testGetNumberOfDependents() { |
320 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
321 |
assertEquals(0, f.getNumberOfDependents()); |
322 |
CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT)); |
323 |
assertEquals(1, f.getNumberOfDependents()); |
324 |
assertEquals(0, g.getNumberOfDependents()); |
325 |
CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT)); |
326 |
assertEquals(2, f.getNumberOfDependents()); |
327 |
f.complete(1); |
328 |
checkCompletedNormally(g, null); |
329 |
assertEquals(0, f.getNumberOfDependents()); |
330 |
assertEquals(0, g.getNumberOfDependents()); |
331 |
} |
332 |
|
333 |
/** |
334 |
* toString indicates current completion state |
335 |
*/ |
336 |
public void testToString() { |
337 |
CompletableFuture<String> f; |
338 |
|
339 |
f = new CompletableFuture<String>(); |
340 |
assertTrue(f.toString().contains("[Not completed]")); |
341 |
|
342 |
f.complete("foo"); |
343 |
assertTrue(f.toString().contains("[Completed normally]")); |
344 |
|
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f = new CompletableFuture<String>(); |
346 |
f.completeExceptionally(new IndexOutOfBoundsException()); |
347 |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
348 |
|
349 |
f = new CompletableFuture<String>(); |
350 |
f.cancel(true); |
351 |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
352 |
|
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f = new CompletableFuture<String>(); |
354 |
f.cancel(false); |
355 |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
356 |
} |
357 |
|
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/** |
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* completedFuture returns a completed CompletableFuture with given value |
360 |
*/ |
361 |
public void testCompletedFuture() { |
362 |
CompletableFuture<String> f = CompletableFuture.completedFuture("test"); |
363 |
checkCompletedNormally(f, "test"); |
364 |
} |
365 |
|
366 |
abstract class CheckedAction { |
367 |
int invocationCount = 0; |
368 |
final ExecutionMode m; |
369 |
CheckedAction(ExecutionMode m) { this.m = m; } |
370 |
void invoked() { |
371 |
m.checkExecutionMode(); |
372 |
assertEquals(0, invocationCount++); |
373 |
} |
374 |
void assertNotInvoked() { assertEquals(0, invocationCount); } |
375 |
void assertInvoked() { assertEquals(1, invocationCount); } |
376 |
} |
377 |
|
378 |
abstract class CheckedIntegerAction extends CheckedAction { |
379 |
Integer value; |
380 |
CheckedIntegerAction(ExecutionMode m) { super(m); } |
381 |
void assertValue(Integer expected) { |
382 |
assertInvoked(); |
383 |
assertEquals(expected, value); |
384 |
} |
385 |
} |
386 |
|
387 |
class IntegerSupplier extends CheckedAction |
388 |
implements Supplier<Integer> |
389 |
{ |
390 |
final Integer value; |
391 |
IntegerSupplier(ExecutionMode m, Integer value) { |
392 |
super(m); |
393 |
this.value = value; |
394 |
} |
395 |
public Integer get() { |
396 |
invoked(); |
397 |
return value; |
398 |
} |
399 |
} |
400 |
|
401 |
// A function that handles and produces null values as well. |
402 |
static Integer inc(Integer x) { |
403 |
return (x == null) ? null : x + 1; |
404 |
} |
405 |
|
406 |
class NoopConsumer extends CheckedIntegerAction |
407 |
implements Consumer<Integer> |
408 |
{ |
409 |
NoopConsumer(ExecutionMode m) { super(m); } |
410 |
public void accept(Integer x) { |
411 |
invoked(); |
412 |
value = x; |
413 |
} |
414 |
} |
415 |
|
416 |
class IncFunction extends CheckedIntegerAction |
417 |
implements Function<Integer,Integer> |
418 |
{ |
419 |
IncFunction(ExecutionMode m) { super(m); } |
420 |
public Integer apply(Integer x) { |
421 |
invoked(); |
422 |
return value = inc(x); |
423 |
} |
424 |
} |
425 |
|
426 |
// Choose non-commutative actions for better coverage |
427 |
// A non-commutative function that handles and produces null values as well. |
428 |
static Integer subtract(Integer x, Integer y) { |
429 |
return (x == null && y == null) ? null : |
430 |
((x == null) ? 42 : x.intValue()) |
431 |
- ((y == null) ? 99 : y.intValue()); |
432 |
} |
433 |
|
434 |
class SubtractAction extends CheckedIntegerAction |
435 |
implements BiConsumer<Integer, Integer> |
436 |
{ |
437 |
SubtractAction(ExecutionMode m) { super(m); } |
438 |
public void accept(Integer x, Integer y) { |
439 |
invoked(); |
440 |
value = subtract(x, y); |
441 |
} |
442 |
} |
443 |
|
444 |
class SubtractFunction extends CheckedIntegerAction |
445 |
implements BiFunction<Integer, Integer, Integer> |
446 |
{ |
447 |
SubtractFunction(ExecutionMode m) { super(m); } |
448 |
public Integer apply(Integer x, Integer y) { |
449 |
invoked(); |
450 |
return value = subtract(x, y); |
451 |
} |
452 |
} |
453 |
|
454 |
class Noop extends CheckedAction implements Runnable { |
455 |
Noop(ExecutionMode m) { super(m); } |
456 |
public void run() { |
457 |
invoked(); |
458 |
} |
459 |
} |
460 |
|
461 |
class FailingSupplier extends CheckedAction |
462 |
implements Supplier<Integer> |
463 |
{ |
464 |
FailingSupplier(ExecutionMode m) { super(m); } |
465 |
public Integer get() { |
466 |
invoked(); |
467 |
throw new CFException(); |
468 |
} |
469 |
} |
470 |
|
471 |
class FailingConsumer extends CheckedIntegerAction |
472 |
implements Consumer<Integer> |
473 |
{ |
474 |
FailingConsumer(ExecutionMode m) { super(m); } |
475 |
public void accept(Integer x) { |
476 |
invoked(); |
477 |
value = x; |
478 |
throw new CFException(); |
479 |
} |
480 |
} |
481 |
|
482 |
class FailingBiConsumer extends CheckedIntegerAction |
483 |
implements BiConsumer<Integer, Integer> |
484 |
{ |
485 |
FailingBiConsumer(ExecutionMode m) { super(m); } |
486 |
public void accept(Integer x, Integer y) { |
487 |
invoked(); |
488 |
value = subtract(x, y); |
489 |
throw new CFException(); |
490 |
} |
491 |
} |
492 |
|
493 |
class FailingFunction extends CheckedIntegerAction |
494 |
implements Function<Integer, Integer> |
495 |
{ |
496 |
FailingFunction(ExecutionMode m) { super(m); } |
497 |
public Integer apply(Integer x) { |
498 |
invoked(); |
499 |
value = x; |
500 |
throw new CFException(); |
501 |
} |
502 |
} |
503 |
|
504 |
class FailingBiFunction extends CheckedIntegerAction |
505 |
implements BiFunction<Integer, Integer, Integer> |
506 |
{ |
507 |
FailingBiFunction(ExecutionMode m) { super(m); } |
508 |
public Integer apply(Integer x, Integer y) { |
509 |
invoked(); |
510 |
value = subtract(x, y); |
511 |
throw new CFException(); |
512 |
} |
513 |
} |
514 |
|
515 |
class FailingRunnable extends CheckedAction implements Runnable { |
516 |
FailingRunnable(ExecutionMode m) { super(m); } |
517 |
public void run() { |
518 |
invoked(); |
519 |
throw new CFException(); |
520 |
} |
521 |
} |
522 |
|
523 |
|
524 |
class CompletableFutureInc extends CheckedIntegerAction |
525 |
implements Function<Integer, CompletableFuture<Integer>> |
526 |
{ |
527 |
CompletableFutureInc(ExecutionMode m) { super(m); } |
528 |
public CompletableFuture<Integer> apply(Integer x) { |
529 |
invoked(); |
530 |
value = x; |
531 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
532 |
f.complete(inc(x)); |
533 |
return f; |
534 |
} |
535 |
} |
536 |
|
537 |
class FailingCompletableFutureFunction extends CheckedIntegerAction |
538 |
implements Function<Integer, CompletableFuture<Integer>> |
539 |
{ |
540 |
FailingCompletableFutureFunction(ExecutionMode m) { super(m); } |
541 |
public CompletableFuture<Integer> apply(Integer x) { |
542 |
invoked(); |
543 |
value = x; |
544 |
throw new CFException(); |
545 |
} |
546 |
} |
547 |
|
548 |
// Used for explicit executor tests |
549 |
static final class ThreadExecutor implements Executor { |
550 |
final AtomicInteger count = new AtomicInteger(0); |
551 |
static final ThreadGroup tg = new ThreadGroup("ThreadExecutor"); |
552 |
static boolean startedCurrentThread() { |
553 |
return Thread.currentThread().getThreadGroup() == tg; |
554 |
} |
555 |
|
556 |
public void execute(Runnable r) { |
557 |
count.getAndIncrement(); |
558 |
new Thread(tg, r).start(); |
559 |
} |
560 |
} |
561 |
|
562 |
/** |
563 |
* Permits the testing of parallel code for the 3 different |
564 |
* execution modes without copy/pasting all the test methods. |
565 |
*/ |
566 |
enum ExecutionMode { |
567 |
DEFAULT { |
568 |
public void checkExecutionMode() { |
569 |
assertFalse(ThreadExecutor.startedCurrentThread()); |
570 |
assertNull(ForkJoinTask.getPool()); |
571 |
} |
572 |
public CompletableFuture<Void> runAsync(Runnable a) { |
573 |
throw new UnsupportedOperationException(); |
574 |
} |
575 |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
576 |
throw new UnsupportedOperationException(); |
577 |
} |
578 |
public <T> CompletableFuture<Void> thenRun |
579 |
(CompletableFuture<T> f, Runnable a) { |
580 |
return f.thenRun(a); |
581 |
} |
582 |
public <T> CompletableFuture<Void> thenAccept |
583 |
(CompletableFuture<T> f, Consumer<? super T> a) { |
584 |
return f.thenAccept(a); |
585 |
} |
586 |
public <T,U> CompletableFuture<U> thenApply |
587 |
(CompletableFuture<T> f, Function<? super T,U> a) { |
588 |
return f.thenApply(a); |
589 |
} |
590 |
public <T,U> CompletableFuture<U> thenCompose |
591 |
(CompletableFuture<T> f, |
592 |
Function<? super T,? extends CompletionStage<U>> a) { |
593 |
return f.thenCompose(a); |
594 |
} |
595 |
public <T,U> CompletableFuture<U> handle |
596 |
(CompletableFuture<T> f, |
597 |
BiFunction<? super T,Throwable,? extends U> a) { |
598 |
return f.handle(a); |
599 |
} |
600 |
public <T> CompletableFuture<T> whenComplete |
601 |
(CompletableFuture<T> f, |
602 |
BiConsumer<? super T,? super Throwable> a) { |
603 |
return f.whenComplete(a); |
604 |
} |
605 |
public <T,U> CompletableFuture<Void> runAfterBoth |
606 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
607 |
return f.runAfterBoth(g, a); |
608 |
} |
609 |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
610 |
(CompletableFuture<T> f, |
611 |
CompletionStage<? extends U> g, |
612 |
BiConsumer<? super T,? super U> a) { |
613 |
return f.thenAcceptBoth(g, a); |
614 |
} |
615 |
public <T,U,V> CompletableFuture<V> thenCombine |
616 |
(CompletableFuture<T> f, |
617 |
CompletionStage<? extends U> g, |
618 |
BiFunction<? super T,? super U,? extends V> a) { |
619 |
return f.thenCombine(g, a); |
620 |
} |
621 |
public <T> CompletableFuture<Void> runAfterEither |
622 |
(CompletableFuture<T> f, |
623 |
CompletionStage<?> g, |
624 |
java.lang.Runnable a) { |
625 |
return f.runAfterEither(g, a); |
626 |
} |
627 |
public <T> CompletableFuture<Void> acceptEither |
628 |
(CompletableFuture<T> f, |
629 |
CompletionStage<? extends T> g, |
630 |
Consumer<? super T> a) { |
631 |
return f.acceptEither(g, a); |
632 |
} |
633 |
public <T,U> CompletableFuture<U> applyToEither |
634 |
(CompletableFuture<T> f, |
635 |
CompletionStage<? extends T> g, |
636 |
Function<? super T,U> a) { |
637 |
return f.applyToEither(g, a); |
638 |
} |
639 |
}, |
640 |
|
641 |
ASYNC { |
642 |
public void checkExecutionMode() { |
643 |
assertSame(ForkJoinPool.commonPool(), |
644 |
ForkJoinTask.getPool()); |
645 |
} |
646 |
public CompletableFuture<Void> runAsync(Runnable a) { |
647 |
return CompletableFuture.runAsync(a); |
648 |
} |
649 |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
650 |
return CompletableFuture.supplyAsync(a); |
651 |
} |
652 |
public <T> CompletableFuture<Void> thenRun |
653 |
(CompletableFuture<T> f, Runnable a) { |
654 |
return f.thenRunAsync(a); |
655 |
} |
656 |
public <T> CompletableFuture<Void> thenAccept |
657 |
(CompletableFuture<T> f, Consumer<? super T> a) { |
658 |
return f.thenAcceptAsync(a); |
659 |
} |
660 |
public <T,U> CompletableFuture<U> thenApply |
661 |
(CompletableFuture<T> f, Function<? super T,U> a) { |
662 |
return f.thenApplyAsync(a); |
663 |
} |
664 |
public <T,U> CompletableFuture<U> thenCompose |
665 |
(CompletableFuture<T> f, |
666 |
Function<? super T,? extends CompletionStage<U>> a) { |
667 |
return f.thenComposeAsync(a); |
668 |
} |
669 |
public <T,U> CompletableFuture<U> handle |
670 |
(CompletableFuture<T> f, |
671 |
BiFunction<? super T,Throwable,? extends U> a) { |
672 |
return f.handleAsync(a); |
673 |
} |
674 |
public <T> CompletableFuture<T> whenComplete |
675 |
(CompletableFuture<T> f, |
676 |
BiConsumer<? super T,? super Throwable> a) { |
677 |
return f.whenCompleteAsync(a); |
678 |
} |
679 |
public <T,U> CompletableFuture<Void> runAfterBoth |
680 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
681 |
return f.runAfterBothAsync(g, a); |
682 |
} |
683 |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
684 |
(CompletableFuture<T> f, |
685 |
CompletionStage<? extends U> g, |
686 |
BiConsumer<? super T,? super U> a) { |
687 |
return f.thenAcceptBothAsync(g, a); |
688 |
} |
689 |
public <T,U,V> CompletableFuture<V> thenCombine |
690 |
(CompletableFuture<T> f, |
691 |
CompletionStage<? extends U> g, |
692 |
BiFunction<? super T,? super U,? extends V> a) { |
693 |
return f.thenCombineAsync(g, a); |
694 |
} |
695 |
public <T> CompletableFuture<Void> runAfterEither |
696 |
(CompletableFuture<T> f, |
697 |
CompletionStage<?> g, |
698 |
java.lang.Runnable a) { |
699 |
return f.runAfterEitherAsync(g, a); |
700 |
} |
701 |
public <T> CompletableFuture<Void> acceptEither |
702 |
(CompletableFuture<T> f, |
703 |
CompletionStage<? extends T> g, |
704 |
Consumer<? super T> a) { |
705 |
return f.acceptEitherAsync(g, a); |
706 |
} |
707 |
public <T,U> CompletableFuture<U> applyToEither |
708 |
(CompletableFuture<T> f, |
709 |
CompletionStage<? extends T> g, |
710 |
Function<? super T,U> a) { |
711 |
return f.applyToEitherAsync(g, a); |
712 |
} |
713 |
}, |
714 |
|
715 |
EXECUTOR { |
716 |
public void checkExecutionMode() { |
717 |
assertTrue(ThreadExecutor.startedCurrentThread()); |
718 |
} |
719 |
public CompletableFuture<Void> runAsync(Runnable a) { |
720 |
return CompletableFuture.runAsync(a, new ThreadExecutor()); |
721 |
} |
722 |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
723 |
return CompletableFuture.supplyAsync(a, new ThreadExecutor()); |
724 |
} |
725 |
public <T> CompletableFuture<Void> thenRun |
726 |
(CompletableFuture<T> f, Runnable a) { |
727 |
return f.thenRunAsync(a, new ThreadExecutor()); |
728 |
} |
729 |
public <T> CompletableFuture<Void> thenAccept |
730 |
(CompletableFuture<T> f, Consumer<? super T> a) { |
731 |
return f.thenAcceptAsync(a, new ThreadExecutor()); |
732 |
} |
733 |
public <T,U> CompletableFuture<U> thenApply |
734 |
(CompletableFuture<T> f, Function<? super T,U> a) { |
735 |
return f.thenApplyAsync(a, new ThreadExecutor()); |
736 |
} |
737 |
public <T,U> CompletableFuture<U> thenCompose |
738 |
(CompletableFuture<T> f, |
739 |
Function<? super T,? extends CompletionStage<U>> a) { |
740 |
return f.thenComposeAsync(a, new ThreadExecutor()); |
741 |
} |
742 |
public <T,U> CompletableFuture<U> handle |
743 |
(CompletableFuture<T> f, |
744 |
BiFunction<? super T,Throwable,? extends U> a) { |
745 |
return f.handleAsync(a, new ThreadExecutor()); |
746 |
} |
747 |
public <T> CompletableFuture<T> whenComplete |
748 |
(CompletableFuture<T> f, |
749 |
BiConsumer<? super T,? super Throwable> a) { |
750 |
return f.whenCompleteAsync(a, new ThreadExecutor()); |
751 |
} |
752 |
public <T,U> CompletableFuture<Void> runAfterBoth |
753 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
754 |
return f.runAfterBothAsync(g, a, new ThreadExecutor()); |
755 |
} |
756 |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
757 |
(CompletableFuture<T> f, |
758 |
CompletionStage<? extends U> g, |
759 |
BiConsumer<? super T,? super U> a) { |
760 |
return f.thenAcceptBothAsync(g, a, new ThreadExecutor()); |
761 |
} |
762 |
public <T,U,V> CompletableFuture<V> thenCombine |
763 |
(CompletableFuture<T> f, |
764 |
CompletionStage<? extends U> g, |
765 |
BiFunction<? super T,? super U,? extends V> a) { |
766 |
return f.thenCombineAsync(g, a, new ThreadExecutor()); |
767 |
} |
768 |
public <T> CompletableFuture<Void> runAfterEither |
769 |
(CompletableFuture<T> f, |
770 |
CompletionStage<?> g, |
771 |
java.lang.Runnable a) { |
772 |
return f.runAfterEitherAsync(g, a, new ThreadExecutor()); |
773 |
} |
774 |
public <T> CompletableFuture<Void> acceptEither |
775 |
(CompletableFuture<T> f, |
776 |
CompletionStage<? extends T> g, |
777 |
Consumer<? super T> a) { |
778 |
return f.acceptEitherAsync(g, a, new ThreadExecutor()); |
779 |
} |
780 |
public <T,U> CompletableFuture<U> applyToEither |
781 |
(CompletableFuture<T> f, |
782 |
CompletionStage<? extends T> g, |
783 |
Function<? super T,U> a) { |
784 |
return f.applyToEitherAsync(g, a, new ThreadExecutor()); |
785 |
} |
786 |
}; |
787 |
|
788 |
public abstract void checkExecutionMode(); |
789 |
public abstract CompletableFuture<Void> runAsync(Runnable a); |
790 |
public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a); |
791 |
public abstract <T> CompletableFuture<Void> thenRun |
792 |
(CompletableFuture<T> f, Runnable a); |
793 |
public abstract <T> CompletableFuture<Void> thenAccept |
794 |
(CompletableFuture<T> f, Consumer<? super T> a); |
795 |
public abstract <T,U> CompletableFuture<U> thenApply |
796 |
(CompletableFuture<T> f, Function<? super T,U> a); |
797 |
public abstract <T,U> CompletableFuture<U> thenCompose |
798 |
(CompletableFuture<T> f, |
799 |
Function<? super T,? extends CompletionStage<U>> a); |
800 |
public abstract <T,U> CompletableFuture<U> handle |
801 |
(CompletableFuture<T> f, |
802 |
BiFunction<? super T,Throwable,? extends U> a); |
803 |
public abstract <T> CompletableFuture<T> whenComplete |
804 |
(CompletableFuture<T> f, |
805 |
BiConsumer<? super T,? super Throwable> a); |
806 |
public abstract <T,U> CompletableFuture<Void> runAfterBoth |
807 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a); |
808 |
public abstract <T,U> CompletableFuture<Void> thenAcceptBoth |
809 |
(CompletableFuture<T> f, |
810 |
CompletionStage<? extends U> g, |
811 |
BiConsumer<? super T,? super U> a); |
812 |
public abstract <T,U,V> CompletableFuture<V> thenCombine |
813 |
(CompletableFuture<T> f, |
814 |
CompletionStage<? extends U> g, |
815 |
BiFunction<? super T,? super U,? extends V> a); |
816 |
public abstract <T> CompletableFuture<Void> runAfterEither |
817 |
(CompletableFuture<T> f, |
818 |
CompletionStage<?> g, |
819 |
java.lang.Runnable a); |
820 |
public abstract <T> CompletableFuture<Void> acceptEither |
821 |
(CompletableFuture<T> f, |
822 |
CompletionStage<? extends T> g, |
823 |
Consumer<? super T> a); |
824 |
public abstract <T,U> CompletableFuture<U> applyToEither |
825 |
(CompletableFuture<T> f, |
826 |
CompletionStage<? extends T> g, |
827 |
Function<? super T,U> a); |
828 |
} |
829 |
|
830 |
/** |
831 |
* exceptionally action is not invoked when source completes |
832 |
* normally, and source result is propagated |
833 |
*/ |
834 |
public void testExceptionally_normalCompletion() { |
835 |
for (boolean createIncomplete : new boolean[] { true, false }) |
836 |
for (Integer v1 : new Integer[] { 1, null }) |
837 |
{ |
838 |
final AtomicInteger a = new AtomicInteger(0); |
839 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
840 |
if (!createIncomplete) f.complete(v1); |
841 |
final CompletableFuture<Integer> g = f.exceptionally |
842 |
((Throwable t) -> { |
843 |
// Should not be called |
844 |
a.getAndIncrement(); |
845 |
throw new AssertionError(); |
846 |
}); |
847 |
if (createIncomplete) f.complete(v1); |
848 |
|
849 |
checkCompletedNormally(g, v1); |
850 |
checkCompletedNormally(f, v1); |
851 |
assertEquals(0, a.get()); |
852 |
}} |
853 |
|
854 |
|
855 |
/** |
856 |
* exceptionally action completes with function value on source |
857 |
* exception |
858 |
*/ |
859 |
public void testExceptionally_exceptionalCompletion() { |
860 |
for (boolean createIncomplete : new boolean[] { true, false }) |
861 |
for (Integer v1 : new Integer[] { 1, null }) |
862 |
{ |
863 |
final AtomicInteger a = new AtomicInteger(0); |
864 |
final CFException ex = new CFException(); |
865 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
866 |
if (!createIncomplete) f.completeExceptionally(ex); |
867 |
final CompletableFuture<Integer> g = f.exceptionally |
868 |
((Throwable t) -> { |
869 |
ExecutionMode.DEFAULT.checkExecutionMode(); |
870 |
threadAssertSame(t, ex); |
871 |
a.getAndIncrement(); |
872 |
return v1; |
873 |
}); |
874 |
if (createIncomplete) f.completeExceptionally(ex); |
875 |
|
876 |
checkCompletedNormally(g, v1); |
877 |
assertEquals(1, a.get()); |
878 |
}} |
879 |
|
880 |
public void testExceptionally_exceptionalCompletionActionFailed() { |
881 |
for (boolean createIncomplete : new boolean[] { true, false }) |
882 |
for (Integer v1 : new Integer[] { 1, null }) |
883 |
{ |
884 |
final AtomicInteger a = new AtomicInteger(0); |
885 |
final CFException ex1 = new CFException(); |
886 |
final CFException ex2 = new CFException(); |
887 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
888 |
if (!createIncomplete) f.completeExceptionally(ex1); |
889 |
final CompletableFuture<Integer> g = f.exceptionally |
890 |
((Throwable t) -> { |
891 |
ExecutionMode.DEFAULT.checkExecutionMode(); |
892 |
threadAssertSame(t, ex1); |
893 |
a.getAndIncrement(); |
894 |
throw ex2; |
895 |
}); |
896 |
if (createIncomplete) f.completeExceptionally(ex1); |
897 |
|
898 |
checkCompletedWithWrappedException(g, ex2); |
899 |
assertEquals(1, a.get()); |
900 |
}} |
901 |
|
902 |
/** |
903 |
* handle action completes normally with function value on normal |
904 |
* completion of source |
905 |
*/ |
906 |
public void testHandle_normalCompletion() { |
907 |
for (ExecutionMode m : ExecutionMode.values()) |
908 |
for (boolean createIncomplete : new boolean[] { true, false }) |
909 |
for (Integer v1 : new Integer[] { 1, null }) |
910 |
{ |
911 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
912 |
final AtomicInteger a = new AtomicInteger(0); |
913 |
if (!createIncomplete) f.complete(v1); |
914 |
final CompletableFuture<Integer> g = m.handle |
915 |
(f, |
916 |
(Integer x, Throwable t) -> { |
917 |
m.checkExecutionMode(); |
918 |
threadAssertSame(x, v1); |
919 |
threadAssertNull(t); |
920 |
a.getAndIncrement(); |
921 |
return inc(v1); |
922 |
}); |
923 |
if (createIncomplete) f.complete(v1); |
924 |
|
925 |
checkCompletedNormally(g, inc(v1)); |
926 |
checkCompletedNormally(f, v1); |
927 |
assertEquals(1, a.get()); |
928 |
}} |
929 |
|
930 |
/** |
931 |
* handle action completes normally with function value on |
932 |
* exceptional completion of source |
933 |
*/ |
934 |
public void testHandle_exceptionalCompletion() { |
935 |
for (ExecutionMode m : ExecutionMode.values()) |
936 |
for (boolean createIncomplete : new boolean[] { true, false }) |
937 |
for (Integer v1 : new Integer[] { 1, null }) |
938 |
{ |
939 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
940 |
final AtomicInteger a = new AtomicInteger(0); |
941 |
final CFException ex = new CFException(); |
942 |
if (!createIncomplete) f.completeExceptionally(ex); |
943 |
final CompletableFuture<Integer> g = m.handle |
944 |
(f, |
945 |
(Integer x, Throwable t) -> { |
946 |
m.checkExecutionMode(); |
947 |
threadAssertNull(x); |
948 |
threadAssertSame(t, ex); |
949 |
a.getAndIncrement(); |
950 |
return v1; |
951 |
}); |
952 |
if (createIncomplete) f.completeExceptionally(ex); |
953 |
|
954 |
checkCompletedNormally(g, v1); |
955 |
checkCompletedExceptionally(f, ex); |
956 |
assertEquals(1, a.get()); |
957 |
}} |
958 |
|
959 |
/** |
960 |
* handle action completes normally with function value on |
961 |
* cancelled source |
962 |
*/ |
963 |
public void testHandle_sourceCancelled() { |
964 |
for (ExecutionMode m : ExecutionMode.values()) |
965 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
966 |
for (boolean createIncomplete : new boolean[] { true, false }) |
967 |
for (Integer v1 : new Integer[] { 1, null }) |
968 |
{ |
969 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
970 |
final AtomicInteger a = new AtomicInteger(0); |
971 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
972 |
final CompletableFuture<Integer> g = m.handle |
973 |
(f, |
974 |
(Integer x, Throwable t) -> { |
975 |
m.checkExecutionMode(); |
976 |
threadAssertNull(x); |
977 |
threadAssertTrue(t instanceof CancellationException); |
978 |
a.getAndIncrement(); |
979 |
return v1; |
980 |
}); |
981 |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
982 |
|
983 |
checkCompletedNormally(g, v1); |
984 |
checkCancelled(f); |
985 |
assertEquals(1, a.get()); |
986 |
}} |
987 |
|
988 |
/** |
989 |
* handle result completes exceptionally if action does |
990 |
*/ |
991 |
public void testHandle_sourceFailedActionFailed() { |
992 |
for (ExecutionMode m : ExecutionMode.values()) |
993 |
for (boolean createIncomplete : new boolean[] { true, false }) |
994 |
{ |
995 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
996 |
final AtomicInteger a = new AtomicInteger(0); |
997 |
final CFException ex1 = new CFException(); |
998 |
final CFException ex2 = new CFException(); |
999 |
if (!createIncomplete) f.completeExceptionally(ex1); |
1000 |
final CompletableFuture<Integer> g = m.handle |
1001 |
(f, |
1002 |
(Integer x, Throwable t) -> { |
1003 |
m.checkExecutionMode(); |
1004 |
threadAssertNull(x); |
1005 |
threadAssertSame(ex1, t); |
1006 |
a.getAndIncrement(); |
1007 |
throw ex2; |
1008 |
}); |
1009 |
if (createIncomplete) f.completeExceptionally(ex1); |
1010 |
|
1011 |
checkCompletedWithWrappedException(g, ex2); |
1012 |
checkCompletedExceptionally(f, ex1); |
1013 |
assertEquals(1, a.get()); |
1014 |
}} |
1015 |
|
1016 |
public void testHandle_sourceCompletedNormallyActionFailed() { |
1017 |
for (ExecutionMode m : ExecutionMode.values()) |
1018 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1019 |
for (Integer v1 : new Integer[] { 1, null }) |
1020 |
{ |
1021 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1022 |
final AtomicInteger a = new AtomicInteger(0); |
1023 |
final CFException ex = new CFException(); |
1024 |
if (!createIncomplete) f.complete(v1); |
1025 |
final CompletableFuture<Integer> g = m.handle |
1026 |
(f, |
1027 |
(Integer x, Throwable t) -> { |
1028 |
m.checkExecutionMode(); |
1029 |
threadAssertSame(x, v1); |
1030 |
threadAssertNull(t); |
1031 |
a.getAndIncrement(); |
1032 |
throw ex; |
1033 |
}); |
1034 |
if (createIncomplete) f.complete(v1); |
1035 |
|
1036 |
checkCompletedWithWrappedException(g, ex); |
1037 |
checkCompletedNormally(f, v1); |
1038 |
assertEquals(1, a.get()); |
1039 |
}} |
1040 |
|
1041 |
/** |
1042 |
* runAsync completes after running Runnable |
1043 |
*/ |
1044 |
public void testRunAsync_normalCompletion() { |
1045 |
ExecutionMode[] executionModes = { |
1046 |
ExecutionMode.ASYNC, |
1047 |
ExecutionMode.EXECUTOR, |
1048 |
}; |
1049 |
for (ExecutionMode m : executionModes) |
1050 |
{ |
1051 |
final Noop r = new Noop(m); |
1052 |
final CompletableFuture<Void> f = m.runAsync(r); |
1053 |
assertNull(f.join()); |
1054 |
checkCompletedNormally(f, null); |
1055 |
r.assertInvoked(); |
1056 |
}} |
1057 |
|
1058 |
/** |
1059 |
* failing runAsync completes exceptionally after running Runnable |
1060 |
*/ |
1061 |
public void testRunAsync_exceptionalCompletion() { |
1062 |
ExecutionMode[] executionModes = { |
1063 |
ExecutionMode.ASYNC, |
1064 |
ExecutionMode.EXECUTOR, |
1065 |
}; |
1066 |
for (ExecutionMode m : executionModes) |
1067 |
{ |
1068 |
final FailingRunnable r = new FailingRunnable(m); |
1069 |
final CompletableFuture<Void> f = m.runAsync(r); |
1070 |
checkCompletedWithWrappedCFException(f); |
1071 |
r.assertInvoked(); |
1072 |
}} |
1073 |
|
1074 |
/** |
1075 |
* supplyAsync completes with result of supplier |
1076 |
*/ |
1077 |
public void testSupplyAsync_normalCompletion() { |
1078 |
ExecutionMode[] executionModes = { |
1079 |
ExecutionMode.ASYNC, |
1080 |
ExecutionMode.EXECUTOR, |
1081 |
}; |
1082 |
for (ExecutionMode m : executionModes) |
1083 |
for (Integer v1 : new Integer[] { 1, null }) |
1084 |
{ |
1085 |
final IntegerSupplier r = new IntegerSupplier(m, v1); |
1086 |
final CompletableFuture<Integer> f = m.supplyAsync(r); |
1087 |
assertSame(v1, f.join()); |
1088 |
checkCompletedNormally(f, v1); |
1089 |
r.assertInvoked(); |
1090 |
}} |
1091 |
|
1092 |
/** |
1093 |
* Failing supplyAsync completes exceptionally |
1094 |
*/ |
1095 |
public void testSupplyAsync_exceptionalCompletion() { |
1096 |
ExecutionMode[] executionModes = { |
1097 |
ExecutionMode.ASYNC, |
1098 |
ExecutionMode.EXECUTOR, |
1099 |
}; |
1100 |
for (ExecutionMode m : executionModes) |
1101 |
{ |
1102 |
FailingSupplier r = new FailingSupplier(m); |
1103 |
CompletableFuture<Integer> f = m.supplyAsync(r); |
1104 |
checkCompletedWithWrappedCFException(f); |
1105 |
r.assertInvoked(); |
1106 |
}} |
1107 |
|
1108 |
// seq completion methods |
1109 |
|
1110 |
/** |
1111 |
* thenRun result completes normally after normal completion of source |
1112 |
*/ |
1113 |
public void testThenRun_normalCompletion() { |
1114 |
for (ExecutionMode m : ExecutionMode.values()) |
1115 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1116 |
for (Integer v1 : new Integer[] { 1, null }) |
1117 |
{ |
1118 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1119 |
final Noop r = new Noop(m); |
1120 |
if (!createIncomplete) f.complete(v1); |
1121 |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1122 |
if (createIncomplete) { |
1123 |
checkIncomplete(g); |
1124 |
f.complete(v1); |
1125 |
} |
1126 |
|
1127 |
checkCompletedNormally(g, null); |
1128 |
checkCompletedNormally(f, v1); |
1129 |
r.assertInvoked(); |
1130 |
}} |
1131 |
|
1132 |
/** |
1133 |
* thenRun result completes exceptionally after exceptional |
1134 |
* completion of source |
1135 |
*/ |
1136 |
public void testThenRun_exceptionalCompletion() { |
1137 |
for (ExecutionMode m : ExecutionMode.values()) |
1138 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1139 |
{ |
1140 |
final CFException ex = new CFException(); |
1141 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1142 |
final Noop r = new Noop(m); |
1143 |
if (!createIncomplete) f.completeExceptionally(ex); |
1144 |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1145 |
if (createIncomplete) { |
1146 |
checkIncomplete(g); |
1147 |
f.completeExceptionally(ex); |
1148 |
} |
1149 |
|
1150 |
checkCompletedWithWrappedException(g, ex); |
1151 |
checkCompletedExceptionally(f, ex); |
1152 |
r.assertNotInvoked(); |
1153 |
}} |
1154 |
|
1155 |
/** |
1156 |
* thenRun result completes exceptionally if source cancelled |
1157 |
*/ |
1158 |
public void testThenRun_sourceCancelled() { |
1159 |
for (ExecutionMode m : ExecutionMode.values()) |
1160 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1161 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1162 |
{ |
1163 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1164 |
final Noop r = new Noop(m); |
1165 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1166 |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1167 |
if (createIncomplete) { |
1168 |
checkIncomplete(g); |
1169 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1170 |
} |
1171 |
|
1172 |
checkCompletedWithWrappedCancellationException(g); |
1173 |
checkCancelled(f); |
1174 |
r.assertNotInvoked(); |
1175 |
}} |
1176 |
|
1177 |
/** |
1178 |
* thenRun result completes exceptionally if action does |
1179 |
*/ |
1180 |
public void testThenRun_actionFailed() { |
1181 |
for (ExecutionMode m : ExecutionMode.values()) |
1182 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1183 |
for (Integer v1 : new Integer[] { 1, null }) |
1184 |
{ |
1185 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1186 |
final FailingRunnable r = new FailingRunnable(m); |
1187 |
if (!createIncomplete) f.complete(v1); |
1188 |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1189 |
if (createIncomplete) { |
1190 |
checkIncomplete(g); |
1191 |
f.complete(v1); |
1192 |
} |
1193 |
|
1194 |
checkCompletedWithWrappedCFException(g); |
1195 |
checkCompletedNormally(f, v1); |
1196 |
}} |
1197 |
|
1198 |
/** |
1199 |
* thenApply result completes normally after normal completion of source |
1200 |
*/ |
1201 |
public void testThenApply_normalCompletion() { |
1202 |
for (ExecutionMode m : ExecutionMode.values()) |
1203 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1204 |
for (Integer v1 : new Integer[] { 1, null }) |
1205 |
{ |
1206 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1207 |
final IncFunction r = new IncFunction(m); |
1208 |
if (!createIncomplete) f.complete(v1); |
1209 |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1210 |
if (createIncomplete) { |
1211 |
checkIncomplete(g); |
1212 |
f.complete(v1); |
1213 |
} |
1214 |
|
1215 |
checkCompletedNormally(g, inc(v1)); |
1216 |
checkCompletedNormally(f, v1); |
1217 |
r.assertValue(inc(v1)); |
1218 |
}} |
1219 |
|
1220 |
/** |
1221 |
* thenApply result completes exceptionally after exceptional |
1222 |
* completion of source |
1223 |
*/ |
1224 |
public void testThenApply_exceptionalCompletion() { |
1225 |
for (ExecutionMode m : ExecutionMode.values()) |
1226 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1227 |
{ |
1228 |
final CFException ex = new CFException(); |
1229 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1230 |
final IncFunction r = new IncFunction(m); |
1231 |
if (!createIncomplete) f.completeExceptionally(ex); |
1232 |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1233 |
if (createIncomplete) { |
1234 |
checkIncomplete(g); |
1235 |
f.completeExceptionally(ex); |
1236 |
} |
1237 |
|
1238 |
checkCompletedWithWrappedException(g, ex); |
1239 |
checkCompletedExceptionally(f, ex); |
1240 |
r.assertNotInvoked(); |
1241 |
}} |
1242 |
|
1243 |
/** |
1244 |
* thenApply result completes exceptionally if source cancelled |
1245 |
*/ |
1246 |
public void testThenApply_sourceCancelled() { |
1247 |
for (ExecutionMode m : ExecutionMode.values()) |
1248 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1249 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1250 |
{ |
1251 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1252 |
final IncFunction r = new IncFunction(m); |
1253 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1254 |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1255 |
if (createIncomplete) { |
1256 |
checkIncomplete(g); |
1257 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1258 |
} |
1259 |
|
1260 |
checkCompletedWithWrappedCancellationException(g); |
1261 |
checkCancelled(f); |
1262 |
r.assertNotInvoked(); |
1263 |
}} |
1264 |
|
1265 |
/** |
1266 |
* thenApply result completes exceptionally if action does |
1267 |
*/ |
1268 |
public void testThenApply_actionFailed() { |
1269 |
for (ExecutionMode m : ExecutionMode.values()) |
1270 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1271 |
for (Integer v1 : new Integer[] { 1, null }) |
1272 |
{ |
1273 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1274 |
final FailingFunction r = new FailingFunction(m); |
1275 |
if (!createIncomplete) f.complete(v1); |
1276 |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1277 |
if (createIncomplete) { |
1278 |
checkIncomplete(g); |
1279 |
f.complete(v1); |
1280 |
} |
1281 |
|
1282 |
checkCompletedWithWrappedCFException(g); |
1283 |
checkCompletedNormally(f, v1); |
1284 |
}} |
1285 |
|
1286 |
/** |
1287 |
* thenAccept result completes normally after normal completion of source |
1288 |
*/ |
1289 |
public void testThenAccept_normalCompletion() { |
1290 |
for (ExecutionMode m : ExecutionMode.values()) |
1291 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1292 |
for (Integer v1 : new Integer[] { 1, null }) |
1293 |
{ |
1294 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1295 |
final NoopConsumer r = new NoopConsumer(m); |
1296 |
if (!createIncomplete) f.complete(v1); |
1297 |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1298 |
if (createIncomplete) { |
1299 |
checkIncomplete(g); |
1300 |
f.complete(v1); |
1301 |
} |
1302 |
|
1303 |
checkCompletedNormally(g, null); |
1304 |
r.assertValue(v1); |
1305 |
checkCompletedNormally(f, v1); |
1306 |
}} |
1307 |
|
1308 |
/** |
1309 |
* thenAccept result completes exceptionally after exceptional |
1310 |
* completion of source |
1311 |
*/ |
1312 |
public void testThenAccept_exceptionalCompletion() { |
1313 |
for (ExecutionMode m : ExecutionMode.values()) |
1314 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1315 |
{ |
1316 |
final CFException ex = new CFException(); |
1317 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1318 |
final NoopConsumer r = new NoopConsumer(m); |
1319 |
if (!createIncomplete) f.completeExceptionally(ex); |
1320 |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1321 |
if (createIncomplete) { |
1322 |
checkIncomplete(g); |
1323 |
f.completeExceptionally(ex); |
1324 |
} |
1325 |
|
1326 |
checkCompletedWithWrappedException(g, ex); |
1327 |
checkCompletedExceptionally(f, ex); |
1328 |
r.assertNotInvoked(); |
1329 |
}} |
1330 |
|
1331 |
/** |
1332 |
* thenAccept result completes exceptionally if source cancelled |
1333 |
*/ |
1334 |
public void testThenAccept_sourceCancelled() { |
1335 |
for (ExecutionMode m : ExecutionMode.values()) |
1336 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1337 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1338 |
{ |
1339 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1340 |
final NoopConsumer r = new NoopConsumer(m); |
1341 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1342 |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1343 |
if (createIncomplete) { |
1344 |
checkIncomplete(g); |
1345 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1346 |
} |
1347 |
|
1348 |
checkCompletedWithWrappedCancellationException(g); |
1349 |
checkCancelled(f); |
1350 |
r.assertNotInvoked(); |
1351 |
}} |
1352 |
|
1353 |
/** |
1354 |
* thenAccept result completes exceptionally if action does |
1355 |
*/ |
1356 |
public void testThenAccept_actionFailed() { |
1357 |
for (ExecutionMode m : ExecutionMode.values()) |
1358 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1359 |
for (Integer v1 : new Integer[] { 1, null }) |
1360 |
{ |
1361 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1362 |
final FailingConsumer r = new FailingConsumer(m); |
1363 |
if (!createIncomplete) f.complete(v1); |
1364 |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1365 |
if (createIncomplete) { |
1366 |
checkIncomplete(g); |
1367 |
f.complete(v1); |
1368 |
} |
1369 |
|
1370 |
checkCompletedWithWrappedCFException(g); |
1371 |
checkCompletedNormally(f, v1); |
1372 |
}} |
1373 |
|
1374 |
/** |
1375 |
* thenCombine result completes normally after normal completion |
1376 |
* of sources |
1377 |
*/ |
1378 |
public void testThenCombine_normalCompletion() { |
1379 |
for (ExecutionMode m : ExecutionMode.values()) |
1380 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1381 |
for (boolean fFirst : new boolean[] { true, false }) |
1382 |
for (Integer v1 : new Integer[] { 1, null }) |
1383 |
for (Integer v2 : new Integer[] { 2, null }) |
1384 |
{ |
1385 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1386 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1387 |
final SubtractFunction r = new SubtractFunction(m); |
1388 |
|
1389 |
if (fFirst) f.complete(v1); else g.complete(v2); |
1390 |
if (!createIncomplete) |
1391 |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1392 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1393 |
if (createIncomplete) { |
1394 |
checkIncomplete(h); |
1395 |
r.assertNotInvoked(); |
1396 |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1397 |
} |
1398 |
|
1399 |
checkCompletedNormally(h, subtract(v1, v2)); |
1400 |
checkCompletedNormally(f, v1); |
1401 |
checkCompletedNormally(g, v2); |
1402 |
r.assertValue(subtract(v1, v2)); |
1403 |
}} |
1404 |
|
1405 |
/** |
1406 |
* thenCombine result completes exceptionally after exceptional |
1407 |
* completion of either source |
1408 |
*/ |
1409 |
public void testThenCombine_exceptionalCompletion() { |
1410 |
for (ExecutionMode m : ExecutionMode.values()) |
1411 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1412 |
for (boolean fFirst : new boolean[] { true, false }) |
1413 |
for (Integer v1 : new Integer[] { 1, null }) |
1414 |
{ |
1415 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1416 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1417 |
final CFException ex = new CFException(); |
1418 |
final SubtractFunction r = new SubtractFunction(m); |
1419 |
|
1420 |
(fFirst ? f : g).complete(v1); |
1421 |
if (!createIncomplete) |
1422 |
(!fFirst ? f : g).completeExceptionally(ex); |
1423 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1424 |
if (createIncomplete) { |
1425 |
checkIncomplete(h); |
1426 |
(!fFirst ? f : g).completeExceptionally(ex); |
1427 |
} |
1428 |
|
1429 |
checkCompletedWithWrappedException(h, ex); |
1430 |
r.assertNotInvoked(); |
1431 |
checkCompletedNormally(fFirst ? f : g, v1); |
1432 |
checkCompletedExceptionally(!fFirst ? f : g, ex); |
1433 |
}} |
1434 |
|
1435 |
/** |
1436 |
* thenCombine result completes exceptionally if either source cancelled |
1437 |
*/ |
1438 |
public void testThenCombine_sourceCancelled() { |
1439 |
for (ExecutionMode m : ExecutionMode.values()) |
1440 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1441 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1442 |
for (boolean fFirst : new boolean[] { true, false }) |
1443 |
for (Integer v1 : new Integer[] { 1, null }) |
1444 |
{ |
1445 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1446 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1447 |
final SubtractFunction r = new SubtractFunction(m); |
1448 |
|
1449 |
(fFirst ? f : g).complete(v1); |
1450 |
if (!createIncomplete) |
1451 |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1452 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1453 |
if (createIncomplete) { |
1454 |
checkIncomplete(h); |
1455 |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1456 |
} |
1457 |
|
1458 |
checkCompletedWithWrappedCancellationException(h); |
1459 |
checkCancelled(!fFirst ? f : g); |
1460 |
r.assertNotInvoked(); |
1461 |
checkCompletedNormally(fFirst ? f : g, v1); |
1462 |
}} |
1463 |
|
1464 |
/** |
1465 |
* thenCombine result completes exceptionally if action does |
1466 |
*/ |
1467 |
public void testThenCombine_actionFailed() { |
1468 |
for (ExecutionMode m : ExecutionMode.values()) |
1469 |
for (boolean fFirst : new boolean[] { true, false }) |
1470 |
for (Integer v1 : new Integer[] { 1, null }) |
1471 |
for (Integer v2 : new Integer[] { 2, null }) |
1472 |
{ |
1473 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1474 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1475 |
final FailingBiFunction r = new FailingBiFunction(m); |
1476 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1477 |
|
1478 |
if (fFirst) { |
1479 |
f.complete(v1); |
1480 |
g.complete(v2); |
1481 |
} else { |
1482 |
g.complete(v2); |
1483 |
f.complete(v1); |
1484 |
} |
1485 |
|
1486 |
checkCompletedWithWrappedCFException(h); |
1487 |
checkCompletedNormally(f, v1); |
1488 |
checkCompletedNormally(g, v2); |
1489 |
}} |
1490 |
|
1491 |
/** |
1492 |
* thenAcceptBoth result completes normally after normal |
1493 |
* completion of sources |
1494 |
*/ |
1495 |
public void testThenAcceptBoth_normalCompletion() { |
1496 |
for (ExecutionMode m : ExecutionMode.values()) |
1497 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1498 |
for (boolean fFirst : new boolean[] { true, false }) |
1499 |
for (Integer v1 : new Integer[] { 1, null }) |
1500 |
for (Integer v2 : new Integer[] { 2, null }) |
1501 |
{ |
1502 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1503 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1504 |
final SubtractAction r = new SubtractAction(m); |
1505 |
|
1506 |
if (fFirst) f.complete(v1); else g.complete(v2); |
1507 |
if (!createIncomplete) |
1508 |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1509 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1510 |
if (createIncomplete) { |
1511 |
checkIncomplete(h); |
1512 |
r.assertNotInvoked(); |
1513 |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1514 |
} |
1515 |
|
1516 |
checkCompletedNormally(h, null); |
1517 |
r.assertValue(subtract(v1, v2)); |
1518 |
checkCompletedNormally(f, v1); |
1519 |
checkCompletedNormally(g, v2); |
1520 |
}} |
1521 |
|
1522 |
/** |
1523 |
* thenAcceptBoth result completes exceptionally after exceptional |
1524 |
* completion of either source |
1525 |
*/ |
1526 |
public void testThenAcceptBoth_exceptionalCompletion() { |
1527 |
for (ExecutionMode m : ExecutionMode.values()) |
1528 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1529 |
for (boolean fFirst : new boolean[] { true, false }) |
1530 |
for (Integer v1 : new Integer[] { 1, null }) |
1531 |
{ |
1532 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1533 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1534 |
final CFException ex = new CFException(); |
1535 |
final SubtractAction r = new SubtractAction(m); |
1536 |
|
1537 |
(fFirst ? f : g).complete(v1); |
1538 |
if (!createIncomplete) |
1539 |
(!fFirst ? f : g).completeExceptionally(ex); |
1540 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1541 |
if (createIncomplete) { |
1542 |
checkIncomplete(h); |
1543 |
(!fFirst ? f : g).completeExceptionally(ex); |
1544 |
} |
1545 |
|
1546 |
checkCompletedWithWrappedException(h, ex); |
1547 |
r.assertNotInvoked(); |
1548 |
checkCompletedNormally(fFirst ? f : g, v1); |
1549 |
checkCompletedExceptionally(!fFirst ? f : g, ex); |
1550 |
}} |
1551 |
|
1552 |
/** |
1553 |
* thenAcceptBoth result completes exceptionally if either source cancelled |
1554 |
*/ |
1555 |
public void testThenAcceptBoth_sourceCancelled() { |
1556 |
for (ExecutionMode m : ExecutionMode.values()) |
1557 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1558 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1559 |
for (boolean fFirst : new boolean[] { true, false }) |
1560 |
for (Integer v1 : new Integer[] { 1, null }) |
1561 |
{ |
1562 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1563 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1564 |
final SubtractAction r = new SubtractAction(m); |
1565 |
|
1566 |
(fFirst ? f : g).complete(v1); |
1567 |
if (!createIncomplete) |
1568 |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1569 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1570 |
if (createIncomplete) { |
1571 |
checkIncomplete(h); |
1572 |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1573 |
} |
1574 |
|
1575 |
checkCompletedWithWrappedCancellationException(h); |
1576 |
checkCancelled(!fFirst ? f : g); |
1577 |
r.assertNotInvoked(); |
1578 |
checkCompletedNormally(fFirst ? f : g, v1); |
1579 |
}} |
1580 |
|
1581 |
/** |
1582 |
* thenAcceptBoth result completes exceptionally if action does |
1583 |
*/ |
1584 |
public void testThenAcceptBoth_actionFailed() { |
1585 |
for (ExecutionMode m : ExecutionMode.values()) |
1586 |
for (boolean fFirst : new boolean[] { true, false }) |
1587 |
for (Integer v1 : new Integer[] { 1, null }) |
1588 |
for (Integer v2 : new Integer[] { 2, null }) |
1589 |
{ |
1590 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1591 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1592 |
final FailingBiConsumer r = new FailingBiConsumer(m); |
1593 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1594 |
|
1595 |
if (fFirst) { |
1596 |
f.complete(v1); |
1597 |
g.complete(v2); |
1598 |
} else { |
1599 |
g.complete(v2); |
1600 |
f.complete(v1); |
1601 |
} |
1602 |
|
1603 |
checkCompletedWithWrappedCFException(h); |
1604 |
checkCompletedNormally(f, v1); |
1605 |
checkCompletedNormally(g, v2); |
1606 |
}} |
1607 |
|
1608 |
/** |
1609 |
* runAfterBoth result completes normally after normal |
1610 |
* completion of sources |
1611 |
*/ |
1612 |
public void testRunAfterBoth_normalCompletion() { |
1613 |
for (ExecutionMode m : ExecutionMode.values()) |
1614 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1615 |
for (boolean fFirst : new boolean[] { true, false }) |
1616 |
for (Integer v1 : new Integer[] { 1, null }) |
1617 |
for (Integer v2 : new Integer[] { 2, null }) |
1618 |
{ |
1619 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1620 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1621 |
final Noop r = new Noop(m); |
1622 |
|
1623 |
if (fFirst) f.complete(v1); else g.complete(v2); |
1624 |
if (!createIncomplete) |
1625 |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1626 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1627 |
if (createIncomplete) { |
1628 |
checkIncomplete(h); |
1629 |
r.assertNotInvoked(); |
1630 |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1631 |
} |
1632 |
|
1633 |
checkCompletedNormally(h, null); |
1634 |
r.assertInvoked(); |
1635 |
checkCompletedNormally(f, v1); |
1636 |
checkCompletedNormally(g, v2); |
1637 |
}} |
1638 |
|
1639 |
/** |
1640 |
* runAfterBoth result completes exceptionally after exceptional |
1641 |
* completion of either source |
1642 |
*/ |
1643 |
public void testRunAfterBoth_exceptionalCompletion() { |
1644 |
for (ExecutionMode m : ExecutionMode.values()) |
1645 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1646 |
for (boolean fFirst : new boolean[] { true, false }) |
1647 |
for (Integer v1 : new Integer[] { 1, null }) |
1648 |
{ |
1649 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1650 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1651 |
final CFException ex = new CFException(); |
1652 |
final Noop r = new Noop(m); |
1653 |
|
1654 |
(fFirst ? f : g).complete(v1); |
1655 |
if (!createIncomplete) |
1656 |
(!fFirst ? f : g).completeExceptionally(ex); |
1657 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1658 |
if (createIncomplete) { |
1659 |
checkIncomplete(h); |
1660 |
(!fFirst ? f : g).completeExceptionally(ex); |
1661 |
} |
1662 |
|
1663 |
checkCompletedWithWrappedException(h, ex); |
1664 |
r.assertNotInvoked(); |
1665 |
checkCompletedNormally(fFirst ? f : g, v1); |
1666 |
checkCompletedExceptionally(!fFirst ? f : g, ex); |
1667 |
}} |
1668 |
|
1669 |
/** |
1670 |
* runAfterBoth result completes exceptionally if either source cancelled |
1671 |
*/ |
1672 |
public void testRunAfterBoth_sourceCancelled() { |
1673 |
for (ExecutionMode m : ExecutionMode.values()) |
1674 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1675 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1676 |
for (boolean fFirst : new boolean[] { true, false }) |
1677 |
for (Integer v1 : new Integer[] { 1, null }) |
1678 |
{ |
1679 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1680 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1681 |
final Noop r = new Noop(m); |
1682 |
|
1683 |
|
1684 |
(fFirst ? f : g).complete(v1); |
1685 |
if (!createIncomplete) |
1686 |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1687 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1688 |
if (createIncomplete) { |
1689 |
checkIncomplete(h); |
1690 |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1691 |
} |
1692 |
|
1693 |
checkCompletedWithWrappedCancellationException(h); |
1694 |
checkCancelled(!fFirst ? f : g); |
1695 |
r.assertNotInvoked(); |
1696 |
checkCompletedNormally(fFirst ? f : g, v1); |
1697 |
}} |
1698 |
|
1699 |
/** |
1700 |
* runAfterBoth result completes exceptionally if action does |
1701 |
*/ |
1702 |
public void testRunAfterBoth_actionFailed() { |
1703 |
for (ExecutionMode m : ExecutionMode.values()) |
1704 |
for (boolean fFirst : new boolean[] { true, false }) |
1705 |
for (Integer v1 : new Integer[] { 1, null }) |
1706 |
for (Integer v2 : new Integer[] { 2, null }) |
1707 |
{ |
1708 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1709 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1710 |
final FailingRunnable r1 = new FailingRunnable(m); |
1711 |
final FailingRunnable r2 = new FailingRunnable(m); |
1712 |
|
1713 |
CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
1714 |
if (fFirst) { |
1715 |
f.complete(v1); |
1716 |
g.complete(v2); |
1717 |
} else { |
1718 |
g.complete(v2); |
1719 |
f.complete(v1); |
1720 |
} |
1721 |
CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
1722 |
|
1723 |
checkCompletedWithWrappedCFException(h1); |
1724 |
checkCompletedWithWrappedCFException(h2); |
1725 |
checkCompletedNormally(f, v1); |
1726 |
checkCompletedNormally(g, v2); |
1727 |
}} |
1728 |
|
1729 |
/** |
1730 |
* applyToEither result completes normally after normal completion |
1731 |
* of either source |
1732 |
*/ |
1733 |
public void testApplyToEither_normalCompletion() { |
1734 |
for (ExecutionMode m : ExecutionMode.values()) |
1735 |
for (Integer v1 : new Integer[] { 1, null }) |
1736 |
for (Integer v2 : new Integer[] { 2, null }) |
1737 |
{ |
1738 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1739 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1740 |
final IncFunction[] rs = new IncFunction[6]; |
1741 |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1742 |
|
1743 |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1744 |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1745 |
checkIncomplete(h0); |
1746 |
checkIncomplete(h1); |
1747 |
rs[0].assertNotInvoked(); |
1748 |
rs[1].assertNotInvoked(); |
1749 |
f.complete(v1); |
1750 |
checkCompletedNormally(h0, inc(v1)); |
1751 |
checkCompletedNormally(h1, inc(v1)); |
1752 |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1753 |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1754 |
checkCompletedNormally(h2, inc(v1)); |
1755 |
checkCompletedNormally(h3, inc(v1)); |
1756 |
g.complete(v2); |
1757 |
|
1758 |
// unspecified behavior - both source completions available |
1759 |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
1760 |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
1761 |
rs[4].assertValue(h4.join()); |
1762 |
rs[5].assertValue(h5.join()); |
1763 |
assertTrue(Objects.equals(inc(v1), h4.join()) || |
1764 |
Objects.equals(inc(v2), h4.join())); |
1765 |
assertTrue(Objects.equals(inc(v1), h5.join()) || |
1766 |
Objects.equals(inc(v2), h5.join())); |
1767 |
|
1768 |
checkCompletedNormally(f, v1); |
1769 |
checkCompletedNormally(g, v2); |
1770 |
checkCompletedNormally(h0, inc(v1)); |
1771 |
checkCompletedNormally(h1, inc(v1)); |
1772 |
checkCompletedNormally(h2, inc(v1)); |
1773 |
checkCompletedNormally(h3, inc(v1)); |
1774 |
for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1)); |
1775 |
}} |
1776 |
|
1777 |
/** |
1778 |
* applyToEither result completes exceptionally after exceptional |
1779 |
* completion of either source |
1780 |
*/ |
1781 |
public void testApplyToEither_exceptionalCompletion() { |
1782 |
for (ExecutionMode m : ExecutionMode.values()) |
1783 |
for (Integer v1 : new Integer[] { 1, null }) |
1784 |
{ |
1785 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1786 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1787 |
final CFException ex = new CFException(); |
1788 |
final IncFunction[] rs = new IncFunction[6]; |
1789 |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1790 |
|
1791 |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1792 |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1793 |
checkIncomplete(h0); |
1794 |
checkIncomplete(h1); |
1795 |
rs[0].assertNotInvoked(); |
1796 |
rs[1].assertNotInvoked(); |
1797 |
f.completeExceptionally(ex); |
1798 |
checkCompletedWithWrappedException(h0, ex); |
1799 |
checkCompletedWithWrappedException(h1, ex); |
1800 |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1801 |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1802 |
checkCompletedWithWrappedException(h2, ex); |
1803 |
checkCompletedWithWrappedException(h3, ex); |
1804 |
g.complete(v1); |
1805 |
|
1806 |
// unspecified behavior - both source completions available |
1807 |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
1808 |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
1809 |
try { |
1810 |
assertEquals(inc(v1), h4.join()); |
1811 |
rs[4].assertValue(inc(v1)); |
1812 |
} catch (CompletionException ok) { |
1813 |
checkCompletedWithWrappedException(h4, ex); |
1814 |
rs[4].assertNotInvoked(); |
1815 |
} |
1816 |
try { |
1817 |
assertEquals(inc(v1), h5.join()); |
1818 |
rs[5].assertValue(inc(v1)); |
1819 |
} catch (CompletionException ok) { |
1820 |
checkCompletedWithWrappedException(h5, ex); |
1821 |
rs[5].assertNotInvoked(); |
1822 |
} |
1823 |
|
1824 |
checkCompletedExceptionally(f, ex); |
1825 |
checkCompletedNormally(g, v1); |
1826 |
checkCompletedWithWrappedException(h0, ex); |
1827 |
checkCompletedWithWrappedException(h1, ex); |
1828 |
checkCompletedWithWrappedException(h2, ex); |
1829 |
checkCompletedWithWrappedException(h3, ex); |
1830 |
checkCompletedWithWrappedException(h4, ex); |
1831 |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
1832 |
}} |
1833 |
|
1834 |
public void testApplyToEither_exceptionalCompletion2() { |
1835 |
for (ExecutionMode m : ExecutionMode.values()) |
1836 |
for (boolean fFirst : new boolean[] { true, false }) |
1837 |
for (Integer v1 : new Integer[] { 1, null }) |
1838 |
{ |
1839 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1840 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1841 |
final CFException ex = new CFException(); |
1842 |
final IncFunction[] rs = new IncFunction[6]; |
1843 |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1844 |
|
1845 |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1846 |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1847 |
if (fFirst) { |
1848 |
f.complete(v1); |
1849 |
g.completeExceptionally(ex); |
1850 |
} else { |
1851 |
g.completeExceptionally(ex); |
1852 |
f.complete(v1); |
1853 |
} |
1854 |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1855 |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1856 |
|
1857 |
// unspecified behavior - both source completions available |
1858 |
try { |
1859 |
assertEquals(inc(v1), h0.join()); |
1860 |
rs[0].assertValue(inc(v1)); |
1861 |
} catch (CompletionException ok) { |
1862 |
checkCompletedWithWrappedException(h0, ex); |
1863 |
rs[0].assertNotInvoked(); |
1864 |
} |
1865 |
try { |
1866 |
assertEquals(inc(v1), h1.join()); |
1867 |
rs[1].assertValue(inc(v1)); |
1868 |
} catch (CompletionException ok) { |
1869 |
checkCompletedWithWrappedException(h1, ex); |
1870 |
rs[1].assertNotInvoked(); |
1871 |
} |
1872 |
try { |
1873 |
assertEquals(inc(v1), h2.join()); |
1874 |
rs[2].assertValue(inc(v1)); |
1875 |
} catch (CompletionException ok) { |
1876 |
checkCompletedWithWrappedException(h2, ex); |
1877 |
rs[2].assertNotInvoked(); |
1878 |
} |
1879 |
try { |
1880 |
assertEquals(inc(v1), h3.join()); |
1881 |
rs[3].assertValue(inc(v1)); |
1882 |
} catch (CompletionException ok) { |
1883 |
checkCompletedWithWrappedException(h3, ex); |
1884 |
rs[3].assertNotInvoked(); |
1885 |
} |
1886 |
|
1887 |
checkCompletedNormally(f, v1); |
1888 |
checkCompletedExceptionally(g, ex); |
1889 |
}} |
1890 |
|
1891 |
/** |
1892 |
* applyToEither result completes exceptionally if either source cancelled |
1893 |
*/ |
1894 |
public void testApplyToEither_sourceCancelled() { |
1895 |
for (ExecutionMode m : ExecutionMode.values()) |
1896 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1897 |
for (Integer v1 : new Integer[] { 1, null }) |
1898 |
{ |
1899 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1900 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1901 |
final IncFunction[] rs = new IncFunction[6]; |
1902 |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1903 |
|
1904 |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1905 |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1906 |
checkIncomplete(h0); |
1907 |
checkIncomplete(h1); |
1908 |
rs[0].assertNotInvoked(); |
1909 |
rs[1].assertNotInvoked(); |
1910 |
f.cancel(mayInterruptIfRunning); |
1911 |
checkCompletedWithWrappedCancellationException(h0); |
1912 |
checkCompletedWithWrappedCancellationException(h1); |
1913 |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1914 |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1915 |
checkCompletedWithWrappedCancellationException(h2); |
1916 |
checkCompletedWithWrappedCancellationException(h3); |
1917 |
g.complete(v1); |
1918 |
|
1919 |
// unspecified behavior - both source completions available |
1920 |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
1921 |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
1922 |
try { |
1923 |
assertEquals(inc(v1), h4.join()); |
1924 |
rs[4].assertValue(inc(v1)); |
1925 |
} catch (CompletionException ok) { |
1926 |
checkCompletedWithWrappedCancellationException(h4); |
1927 |
rs[4].assertNotInvoked(); |
1928 |
} |
1929 |
try { |
1930 |
assertEquals(inc(v1), h5.join()); |
1931 |
rs[5].assertValue(inc(v1)); |
1932 |
} catch (CompletionException ok) { |
1933 |
checkCompletedWithWrappedCancellationException(h5); |
1934 |
rs[5].assertNotInvoked(); |
1935 |
} |
1936 |
|
1937 |
checkCancelled(f); |
1938 |
checkCompletedNormally(g, v1); |
1939 |
checkCompletedWithWrappedCancellationException(h0); |
1940 |
checkCompletedWithWrappedCancellationException(h1); |
1941 |
checkCompletedWithWrappedCancellationException(h2); |
1942 |
checkCompletedWithWrappedCancellationException(h3); |
1943 |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
1944 |
}} |
1945 |
|
1946 |
public void testApplyToEither_sourceCancelled2() { |
1947 |
for (ExecutionMode m : ExecutionMode.values()) |
1948 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1949 |
for (boolean fFirst : new boolean[] { true, false }) |
1950 |
for (Integer v1 : new Integer[] { 1, null }) |
1951 |
{ |
1952 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1953 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1954 |
final IncFunction[] rs = new IncFunction[6]; |
1955 |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1956 |
|
1957 |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1958 |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1959 |
if (fFirst) { |
1960 |
f.complete(v1); |
1961 |
g.cancel(mayInterruptIfRunning); |
1962 |
} else { |
1963 |
g.cancel(mayInterruptIfRunning); |
1964 |
f.complete(v1); |
1965 |
} |
1966 |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1967 |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1968 |
|
1969 |
// unspecified behavior - both source completions available |
1970 |
try { |
1971 |
assertEquals(inc(v1), h0.join()); |
1972 |
rs[0].assertValue(inc(v1)); |
1973 |
} catch (CompletionException ok) { |
1974 |
checkCompletedWithWrappedCancellationException(h0); |
1975 |
rs[0].assertNotInvoked(); |
1976 |
} |
1977 |
try { |
1978 |
assertEquals(inc(v1), h1.join()); |
1979 |
rs[1].assertValue(inc(v1)); |
1980 |
} catch (CompletionException ok) { |
1981 |
checkCompletedWithWrappedCancellationException(h1); |
1982 |
rs[1].assertNotInvoked(); |
1983 |
} |
1984 |
try { |
1985 |
assertEquals(inc(v1), h2.join()); |
1986 |
rs[2].assertValue(inc(v1)); |
1987 |
} catch (CompletionException ok) { |
1988 |
checkCompletedWithWrappedCancellationException(h2); |
1989 |
rs[2].assertNotInvoked(); |
1990 |
} |
1991 |
try { |
1992 |
assertEquals(inc(v1), h3.join()); |
1993 |
rs[3].assertValue(inc(v1)); |
1994 |
} catch (CompletionException ok) { |
1995 |
checkCompletedWithWrappedCancellationException(h3); |
1996 |
rs[3].assertNotInvoked(); |
1997 |
} |
1998 |
|
1999 |
checkCompletedNormally(f, v1); |
2000 |
checkCancelled(g); |
2001 |
}} |
2002 |
|
2003 |
/** |
2004 |
* applyToEither result completes exceptionally if action does |
2005 |
*/ |
2006 |
public void testApplyToEither_actionFailed() { |
2007 |
for (ExecutionMode m : ExecutionMode.values()) |
2008 |
for (Integer v1 : new Integer[] { 1, null }) |
2009 |
for (Integer v2 : new Integer[] { 2, null }) |
2010 |
{ |
2011 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2012 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2013 |
final FailingFunction[] rs = new FailingFunction[6]; |
2014 |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m); |
2015 |
|
2016 |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2017 |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2018 |
f.complete(v1); |
2019 |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2020 |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2021 |
checkCompletedWithWrappedCFException(h0); |
2022 |
checkCompletedWithWrappedCFException(h1); |
2023 |
checkCompletedWithWrappedCFException(h2); |
2024 |
checkCompletedWithWrappedCFException(h3); |
2025 |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2026 |
|
2027 |
g.complete(v2); |
2028 |
|
2029 |
// unspecified behavior - both source completions available |
2030 |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2031 |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2032 |
|
2033 |
checkCompletedWithWrappedCFException(h4); |
2034 |
assertTrue(Objects.equals(v1, rs[4].value) || |
2035 |
Objects.equals(v2, rs[4].value)); |
2036 |
checkCompletedWithWrappedCFException(h5); |
2037 |
assertTrue(Objects.equals(v1, rs[5].value) || |
2038 |
Objects.equals(v2, rs[5].value)); |
2039 |
|
2040 |
checkCompletedNormally(f, v1); |
2041 |
checkCompletedNormally(g, v2); |
2042 |
}} |
2043 |
|
2044 |
/** |
2045 |
* acceptEither result completes normally after normal completion |
2046 |
* of either source |
2047 |
*/ |
2048 |
public void testAcceptEither_normalCompletion() { |
2049 |
for (ExecutionMode m : ExecutionMode.values()) |
2050 |
for (Integer v1 : new Integer[] { 1, null }) |
2051 |
for (Integer v2 : new Integer[] { 2, null }) |
2052 |
{ |
2053 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2054 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2055 |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2056 |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2057 |
|
2058 |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2059 |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2060 |
checkIncomplete(h0); |
2061 |
checkIncomplete(h1); |
2062 |
rs[0].assertNotInvoked(); |
2063 |
rs[1].assertNotInvoked(); |
2064 |
f.complete(v1); |
2065 |
checkCompletedNormally(h0, null); |
2066 |
checkCompletedNormally(h1, null); |
2067 |
rs[0].assertValue(v1); |
2068 |
rs[1].assertValue(v1); |
2069 |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2070 |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2071 |
checkCompletedNormally(h2, null); |
2072 |
checkCompletedNormally(h3, null); |
2073 |
rs[2].assertValue(v1); |
2074 |
rs[3].assertValue(v1); |
2075 |
g.complete(v2); |
2076 |
|
2077 |
// unspecified behavior - both source completions available |
2078 |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2079 |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2080 |
checkCompletedNormally(h4, null); |
2081 |
checkCompletedNormally(h5, null); |
2082 |
assertTrue(Objects.equals(v1, rs[4].value) || |
2083 |
Objects.equals(v2, rs[4].value)); |
2084 |
assertTrue(Objects.equals(v1, rs[5].value) || |
2085 |
Objects.equals(v2, rs[5].value)); |
2086 |
|
2087 |
checkCompletedNormally(f, v1); |
2088 |
checkCompletedNormally(g, v2); |
2089 |
checkCompletedNormally(h0, null); |
2090 |
checkCompletedNormally(h1, null); |
2091 |
checkCompletedNormally(h2, null); |
2092 |
checkCompletedNormally(h3, null); |
2093 |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2094 |
}} |
2095 |
|
2096 |
/** |
2097 |
* acceptEither result completes exceptionally after exceptional |
2098 |
* completion of either source |
2099 |
*/ |
2100 |
public void testAcceptEither_exceptionalCompletion() { |
2101 |
for (ExecutionMode m : ExecutionMode.values()) |
2102 |
for (Integer v1 : new Integer[] { 1, null }) |
2103 |
{ |
2104 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2105 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2106 |
final CFException ex = new CFException(); |
2107 |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2108 |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2109 |
|
2110 |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2111 |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2112 |
checkIncomplete(h0); |
2113 |
checkIncomplete(h1); |
2114 |
rs[0].assertNotInvoked(); |
2115 |
rs[1].assertNotInvoked(); |
2116 |
f.completeExceptionally(ex); |
2117 |
checkCompletedWithWrappedException(h0, ex); |
2118 |
checkCompletedWithWrappedException(h1, ex); |
2119 |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2120 |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2121 |
checkCompletedWithWrappedException(h2, ex); |
2122 |
checkCompletedWithWrappedException(h3, ex); |
2123 |
|
2124 |
g.complete(v1); |
2125 |
|
2126 |
// unspecified behavior - both source completions available |
2127 |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2128 |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2129 |
try { |
2130 |
assertNull(h4.join()); |
2131 |
rs[4].assertValue(v1); |
2132 |
} catch (CompletionException ok) { |
2133 |
checkCompletedWithWrappedException(h4, ex); |
2134 |
rs[4].assertNotInvoked(); |
2135 |
} |
2136 |
try { |
2137 |
assertNull(h5.join()); |
2138 |
rs[5].assertValue(v1); |
2139 |
} catch (CompletionException ok) { |
2140 |
checkCompletedWithWrappedException(h5, ex); |
2141 |
rs[5].assertNotInvoked(); |
2142 |
} |
2143 |
|
2144 |
checkCompletedExceptionally(f, ex); |
2145 |
checkCompletedNormally(g, v1); |
2146 |
checkCompletedWithWrappedException(h0, ex); |
2147 |
checkCompletedWithWrappedException(h1, ex); |
2148 |
checkCompletedWithWrappedException(h2, ex); |
2149 |
checkCompletedWithWrappedException(h3, ex); |
2150 |
checkCompletedWithWrappedException(h4, ex); |
2151 |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2152 |
}} |
2153 |
|
2154 |
public void testAcceptEither_exceptionalCompletion2() { |
2155 |
for (ExecutionMode m : ExecutionMode.values()) |
2156 |
for (boolean fFirst : new boolean[] { true, false }) |
2157 |
for (Integer v1 : new Integer[] { 1, null }) |
2158 |
{ |
2159 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2160 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2161 |
final CFException ex = new CFException(); |
2162 |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2163 |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2164 |
|
2165 |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2166 |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2167 |
if (fFirst) { |
2168 |
f.complete(v1); |
2169 |
g.completeExceptionally(ex); |
2170 |
} else { |
2171 |
g.completeExceptionally(ex); |
2172 |
f.complete(v1); |
2173 |
} |
2174 |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2175 |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2176 |
|
2177 |
// unspecified behavior - both source completions available |
2178 |
try { |
2179 |
assertEquals(null, h0.join()); |
2180 |
rs[0].assertValue(v1); |
2181 |
} catch (CompletionException ok) { |
2182 |
checkCompletedWithWrappedException(h0, ex); |
2183 |
rs[0].assertNotInvoked(); |
2184 |
} |
2185 |
try { |
2186 |
assertEquals(null, h1.join()); |
2187 |
rs[1].assertValue(v1); |
2188 |
} catch (CompletionException ok) { |
2189 |
checkCompletedWithWrappedException(h1, ex); |
2190 |
rs[1].assertNotInvoked(); |
2191 |
} |
2192 |
try { |
2193 |
assertEquals(null, h2.join()); |
2194 |
rs[2].assertValue(v1); |
2195 |
} catch (CompletionException ok) { |
2196 |
checkCompletedWithWrappedException(h2, ex); |
2197 |
rs[2].assertNotInvoked(); |
2198 |
} |
2199 |
try { |
2200 |
assertEquals(null, h3.join()); |
2201 |
rs[3].assertValue(v1); |
2202 |
} catch (CompletionException ok) { |
2203 |
checkCompletedWithWrappedException(h3, ex); |
2204 |
rs[3].assertNotInvoked(); |
2205 |
} |
2206 |
|
2207 |
checkCompletedNormally(f, v1); |
2208 |
checkCompletedExceptionally(g, ex); |
2209 |
}} |
2210 |
|
2211 |
/** |
2212 |
* acceptEither result completes exceptionally if either source cancelled |
2213 |
*/ |
2214 |
public void testAcceptEither_sourceCancelled() { |
2215 |
for (ExecutionMode m : ExecutionMode.values()) |
2216 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2217 |
for (Integer v1 : new Integer[] { 1, null }) |
2218 |
{ |
2219 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2220 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2221 |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2222 |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2223 |
|
2224 |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2225 |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2226 |
checkIncomplete(h0); |
2227 |
checkIncomplete(h1); |
2228 |
rs[0].assertNotInvoked(); |
2229 |
rs[1].assertNotInvoked(); |
2230 |
f.cancel(mayInterruptIfRunning); |
2231 |
checkCompletedWithWrappedCancellationException(h0); |
2232 |
checkCompletedWithWrappedCancellationException(h1); |
2233 |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2234 |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2235 |
checkCompletedWithWrappedCancellationException(h2); |
2236 |
checkCompletedWithWrappedCancellationException(h3); |
2237 |
|
2238 |
g.complete(v1); |
2239 |
|
2240 |
// unspecified behavior - both source completions available |
2241 |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2242 |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2243 |
try { |
2244 |
assertNull(h4.join()); |
2245 |
rs[4].assertValue(v1); |
2246 |
} catch (CompletionException ok) { |
2247 |
checkCompletedWithWrappedCancellationException(h4); |
2248 |
rs[4].assertNotInvoked(); |
2249 |
} |
2250 |
try { |
2251 |
assertNull(h5.join()); |
2252 |
rs[5].assertValue(v1); |
2253 |
} catch (CompletionException ok) { |
2254 |
checkCompletedWithWrappedCancellationException(h5); |
2255 |
rs[5].assertNotInvoked(); |
2256 |
} |
2257 |
|
2258 |
checkCancelled(f); |
2259 |
checkCompletedNormally(g, v1); |
2260 |
checkCompletedWithWrappedCancellationException(h0); |
2261 |
checkCompletedWithWrappedCancellationException(h1); |
2262 |
checkCompletedWithWrappedCancellationException(h2); |
2263 |
checkCompletedWithWrappedCancellationException(h3); |
2264 |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2265 |
}} |
2266 |
|
2267 |
/** |
2268 |
* acceptEither result completes exceptionally if action does |
2269 |
*/ |
2270 |
public void testAcceptEither_actionFailed() { |
2271 |
for (ExecutionMode m : ExecutionMode.values()) |
2272 |
for (Integer v1 : new Integer[] { 1, null }) |
2273 |
for (Integer v2 : new Integer[] { 2, null }) |
2274 |
{ |
2275 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2276 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2277 |
final FailingConsumer[] rs = new FailingConsumer[6]; |
2278 |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m); |
2279 |
|
2280 |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2281 |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2282 |
f.complete(v1); |
2283 |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2284 |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2285 |
checkCompletedWithWrappedCFException(h0); |
2286 |
checkCompletedWithWrappedCFException(h1); |
2287 |
checkCompletedWithWrappedCFException(h2); |
2288 |
checkCompletedWithWrappedCFException(h3); |
2289 |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2290 |
|
2291 |
g.complete(v2); |
2292 |
|
2293 |
// unspecified behavior - both source completions available |
2294 |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2295 |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2296 |
|
2297 |
checkCompletedWithWrappedCFException(h4); |
2298 |
assertTrue(Objects.equals(v1, rs[4].value) || |
2299 |
Objects.equals(v2, rs[4].value)); |
2300 |
checkCompletedWithWrappedCFException(h5); |
2301 |
assertTrue(Objects.equals(v1, rs[5].value) || |
2302 |
Objects.equals(v2, rs[5].value)); |
2303 |
|
2304 |
checkCompletedNormally(f, v1); |
2305 |
checkCompletedNormally(g, v2); |
2306 |
}} |
2307 |
|
2308 |
/** |
2309 |
* runAfterEither result completes normally after normal completion |
2310 |
* of either source |
2311 |
*/ |
2312 |
public void testRunAfterEither_normalCompletion() { |
2313 |
for (ExecutionMode m : ExecutionMode.values()) |
2314 |
for (Integer v1 : new Integer[] { 1, null }) |
2315 |
for (Integer v2 : new Integer[] { 2, null }) |
2316 |
{ |
2317 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2318 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2319 |
final Noop[] rs = new Noop[6]; |
2320 |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2321 |
|
2322 |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2323 |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2324 |
checkIncomplete(h0); |
2325 |
checkIncomplete(h1); |
2326 |
rs[0].assertNotInvoked(); |
2327 |
rs[1].assertNotInvoked(); |
2328 |
f.complete(v1); |
2329 |
checkCompletedNormally(h0, null); |
2330 |
checkCompletedNormally(h1, null); |
2331 |
rs[0].assertInvoked(); |
2332 |
rs[1].assertInvoked(); |
2333 |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2334 |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2335 |
checkCompletedNormally(h2, null); |
2336 |
checkCompletedNormally(h3, null); |
2337 |
rs[2].assertInvoked(); |
2338 |
rs[3].assertInvoked(); |
2339 |
|
2340 |
g.complete(v2); |
2341 |
|
2342 |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2343 |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2344 |
|
2345 |
checkCompletedNormally(f, v1); |
2346 |
checkCompletedNormally(g, v2); |
2347 |
checkCompletedNormally(h0, null); |
2348 |
checkCompletedNormally(h1, null); |
2349 |
checkCompletedNormally(h2, null); |
2350 |
checkCompletedNormally(h3, null); |
2351 |
checkCompletedNormally(h4, null); |
2352 |
checkCompletedNormally(h5, null); |
2353 |
for (int i = 0; i < 6; i++) rs[i].assertInvoked(); |
2354 |
}} |
2355 |
|
2356 |
/** |
2357 |
* runAfterEither result completes exceptionally after exceptional |
2358 |
* completion of either source |
2359 |
*/ |
2360 |
public void testRunAfterEither_exceptionalCompletion() { |
2361 |
for (ExecutionMode m : ExecutionMode.values()) |
2362 |
for (Integer v1 : new Integer[] { 1, null }) |
2363 |
{ |
2364 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2365 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2366 |
final CFException ex = new CFException(); |
2367 |
final Noop[] rs = new Noop[6]; |
2368 |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2369 |
|
2370 |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2371 |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2372 |
checkIncomplete(h0); |
2373 |
checkIncomplete(h1); |
2374 |
rs[0].assertNotInvoked(); |
2375 |
rs[1].assertNotInvoked(); |
2376 |
f.completeExceptionally(ex); |
2377 |
checkCompletedWithWrappedException(h0, ex); |
2378 |
checkCompletedWithWrappedException(h1, ex); |
2379 |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2380 |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2381 |
checkCompletedWithWrappedException(h2, ex); |
2382 |
checkCompletedWithWrappedException(h3, ex); |
2383 |
|
2384 |
g.complete(v1); |
2385 |
|
2386 |
// unspecified behavior - both source completions available |
2387 |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2388 |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2389 |
try { |
2390 |
assertNull(h4.join()); |
2391 |
rs[4].assertInvoked(); |
2392 |
} catch (CompletionException ok) { |
2393 |
checkCompletedWithWrappedException(h4, ex); |
2394 |
rs[4].assertNotInvoked(); |
2395 |
} |
2396 |
try { |
2397 |
assertNull(h5.join()); |
2398 |
rs[5].assertInvoked(); |
2399 |
} catch (CompletionException ok) { |
2400 |
checkCompletedWithWrappedException(h5, ex); |
2401 |
rs[5].assertNotInvoked(); |
2402 |
} |
2403 |
|
2404 |
checkCompletedExceptionally(f, ex); |
2405 |
checkCompletedNormally(g, v1); |
2406 |
checkCompletedWithWrappedException(h0, ex); |
2407 |
checkCompletedWithWrappedException(h1, ex); |
2408 |
checkCompletedWithWrappedException(h2, ex); |
2409 |
checkCompletedWithWrappedException(h3, ex); |
2410 |
checkCompletedWithWrappedException(h4, ex); |
2411 |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2412 |
}} |
2413 |
|
2414 |
public void testRunAfterEither_exceptionalCompletion2() { |
2415 |
for (ExecutionMode m : ExecutionMode.values()) |
2416 |
for (boolean fFirst : new boolean[] { true, false }) |
2417 |
for (Integer v1 : new Integer[] { 1, null }) |
2418 |
{ |
2419 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2420 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2421 |
final CFException ex = new CFException(); |
2422 |
final Noop[] rs = new Noop[6]; |
2423 |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2424 |
|
2425 |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2426 |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2427 |
if (fFirst) { |
2428 |
f.complete(v1); |
2429 |
g.completeExceptionally(ex); |
2430 |
} else { |
2431 |
g.completeExceptionally(ex); |
2432 |
f.complete(v1); |
2433 |
} |
2434 |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2435 |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2436 |
|
2437 |
// unspecified behavior - both source completions available |
2438 |
try { |
2439 |
assertEquals(null, h0.join()); |
2440 |
rs[0].assertInvoked(); |
2441 |
} catch (CompletionException ok) { |
2442 |
checkCompletedWithWrappedException(h0, ex); |
2443 |
rs[0].assertNotInvoked(); |
2444 |
} |
2445 |
try { |
2446 |
assertEquals(null, h1.join()); |
2447 |
rs[1].assertInvoked(); |
2448 |
} catch (CompletionException ok) { |
2449 |
checkCompletedWithWrappedException(h1, ex); |
2450 |
rs[1].assertNotInvoked(); |
2451 |
} |
2452 |
try { |
2453 |
assertEquals(null, h2.join()); |
2454 |
rs[2].assertInvoked(); |
2455 |
} catch (CompletionException ok) { |
2456 |
checkCompletedWithWrappedException(h2, ex); |
2457 |
rs[2].assertNotInvoked(); |
2458 |
} |
2459 |
try { |
2460 |
assertEquals(null, h3.join()); |
2461 |
rs[3].assertInvoked(); |
2462 |
} catch (CompletionException ok) { |
2463 |
checkCompletedWithWrappedException(h3, ex); |
2464 |
rs[3].assertNotInvoked(); |
2465 |
} |
2466 |
|
2467 |
checkCompletedNormally(f, v1); |
2468 |
checkCompletedExceptionally(g, ex); |
2469 |
}} |
2470 |
|
2471 |
/** |
2472 |
* runAfterEither result completes exceptionally if either source cancelled |
2473 |
*/ |
2474 |
public void testRunAfterEither_sourceCancelled() { |
2475 |
for (ExecutionMode m : ExecutionMode.values()) |
2476 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2477 |
for (Integer v1 : new Integer[] { 1, null }) |
2478 |
{ |
2479 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2480 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2481 |
final Noop[] rs = new Noop[6]; |
2482 |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2483 |
|
2484 |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2485 |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2486 |
checkIncomplete(h0); |
2487 |
checkIncomplete(h1); |
2488 |
rs[0].assertNotInvoked(); |
2489 |
rs[1].assertNotInvoked(); |
2490 |
f.cancel(mayInterruptIfRunning); |
2491 |
checkCompletedWithWrappedCancellationException(h0); |
2492 |
checkCompletedWithWrappedCancellationException(h1); |
2493 |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2494 |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2495 |
checkCompletedWithWrappedCancellationException(h2); |
2496 |
checkCompletedWithWrappedCancellationException(h3); |
2497 |
|
2498 |
g.complete(v1); |
2499 |
|
2500 |
// unspecified behavior - both source completions available |
2501 |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2502 |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2503 |
try { |
2504 |
assertNull(h4.join()); |
2505 |
rs[4].assertInvoked(); |
2506 |
} catch (CompletionException ok) { |
2507 |
checkCompletedWithWrappedCancellationException(h4); |
2508 |
rs[4].assertNotInvoked(); |
2509 |
} |
2510 |
try { |
2511 |
assertNull(h5.join()); |
2512 |
rs[5].assertInvoked(); |
2513 |
} catch (CompletionException ok) { |
2514 |
checkCompletedWithWrappedCancellationException(h5); |
2515 |
rs[5].assertNotInvoked(); |
2516 |
} |
2517 |
|
2518 |
checkCancelled(f); |
2519 |
checkCompletedNormally(g, v1); |
2520 |
checkCompletedWithWrappedCancellationException(h0); |
2521 |
checkCompletedWithWrappedCancellationException(h1); |
2522 |
checkCompletedWithWrappedCancellationException(h2); |
2523 |
checkCompletedWithWrappedCancellationException(h3); |
2524 |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2525 |
}} |
2526 |
|
2527 |
/** |
2528 |
* runAfterEither result completes exceptionally if action does |
2529 |
*/ |
2530 |
public void testRunAfterEither_actionFailed() { |
2531 |
for (ExecutionMode m : ExecutionMode.values()) |
2532 |
for (Integer v1 : new Integer[] { 1, null }) |
2533 |
for (Integer v2 : new Integer[] { 2, null }) |
2534 |
{ |
2535 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2536 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2537 |
final FailingRunnable[] rs = new FailingRunnable[6]; |
2538 |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m); |
2539 |
|
2540 |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2541 |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2542 |
f.complete(v1); |
2543 |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2544 |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2545 |
checkCompletedWithWrappedCFException(h0); |
2546 |
checkCompletedWithWrappedCFException(h1); |
2547 |
checkCompletedWithWrappedCFException(h2); |
2548 |
checkCompletedWithWrappedCFException(h3); |
2549 |
for (int i = 0; i < 4; i++) rs[i].assertInvoked(); |
2550 |
g.complete(v2); |
2551 |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2552 |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2553 |
checkCompletedWithWrappedCFException(h4); |
2554 |
checkCompletedWithWrappedCFException(h5); |
2555 |
|
2556 |
checkCompletedNormally(f, v1); |
2557 |
checkCompletedNormally(g, v2); |
2558 |
for (int i = 0; i < 6; i++) rs[i].assertInvoked(); |
2559 |
}} |
2560 |
|
2561 |
/** |
2562 |
* thenCompose result completes normally after normal completion of source |
2563 |
*/ |
2564 |
public void testThenCompose_normalCompletion() { |
2565 |
for (ExecutionMode m : ExecutionMode.values()) |
2566 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2567 |
for (Integer v1 : new Integer[] { 1, null }) |
2568 |
{ |
2569 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2570 |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2571 |
if (!createIncomplete) f.complete(v1); |
2572 |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2573 |
if (createIncomplete) f.complete(v1); |
2574 |
|
2575 |
checkCompletedNormally(g, inc(v1)); |
2576 |
checkCompletedNormally(f, v1); |
2577 |
r.assertValue(v1); |
2578 |
}} |
2579 |
|
2580 |
/** |
2581 |
* thenCompose result completes exceptionally after exceptional |
2582 |
* completion of source |
2583 |
*/ |
2584 |
public void testThenCompose_exceptionalCompletion() { |
2585 |
for (ExecutionMode m : ExecutionMode.values()) |
2586 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2587 |
{ |
2588 |
final CFException ex = new CFException(); |
2589 |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2590 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2591 |
if (!createIncomplete) f.completeExceptionally(ex); |
2592 |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2593 |
if (createIncomplete) f.completeExceptionally(ex); |
2594 |
|
2595 |
checkCompletedWithWrappedException(g, ex); |
2596 |
checkCompletedExceptionally(f, ex); |
2597 |
r.assertNotInvoked(); |
2598 |
}} |
2599 |
|
2600 |
/** |
2601 |
* thenCompose result completes exceptionally if action does |
2602 |
*/ |
2603 |
public void testThenCompose_actionFailed() { |
2604 |
for (ExecutionMode m : ExecutionMode.values()) |
2605 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2606 |
for (Integer v1 : new Integer[] { 1, null }) |
2607 |
{ |
2608 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2609 |
final FailingCompletableFutureFunction r |
2610 |
= new FailingCompletableFutureFunction(m); |
2611 |
if (!createIncomplete) f.complete(v1); |
2612 |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2613 |
if (createIncomplete) f.complete(v1); |
2614 |
|
2615 |
checkCompletedWithWrappedCFException(g); |
2616 |
checkCompletedNormally(f, v1); |
2617 |
}} |
2618 |
|
2619 |
/** |
2620 |
* thenCompose result completes exceptionally if source cancelled |
2621 |
*/ |
2622 |
public void testThenCompose_sourceCancelled() { |
2623 |
for (ExecutionMode m : ExecutionMode.values()) |
2624 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2625 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2626 |
{ |
2627 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2628 |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2629 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2630 |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2631 |
if (createIncomplete) { |
2632 |
checkIncomplete(g); |
2633 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2634 |
} |
2635 |
|
2636 |
checkCompletedWithWrappedCancellationException(g); |
2637 |
checkCancelled(f); |
2638 |
}} |
2639 |
|
2640 |
// other static methods |
2641 |
|
2642 |
/** |
2643 |
* allOf(no component futures) returns a future completed normally |
2644 |
* with the value null |
2645 |
*/ |
2646 |
public void testAllOf_empty() throws Exception { |
2647 |
CompletableFuture<Void> f = CompletableFuture.allOf(); |
2648 |
checkCompletedNormally(f, null); |
2649 |
} |
2650 |
|
2651 |
/** |
2652 |
* allOf returns a future completed normally with the value null |
2653 |
* when all components complete normally |
2654 |
*/ |
2655 |
public void testAllOf_normal() throws Exception { |
2656 |
for (int k = 1; k < 20; ++k) { |
2657 |
CompletableFuture<Integer>[] fs |
2658 |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
2659 |
for (int i = 0; i < k; ++i) |
2660 |
fs[i] = new CompletableFuture<>(); |
2661 |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
2662 |
for (int i = 0; i < k; ++i) { |
2663 |
checkIncomplete(f); |
2664 |
checkIncomplete(CompletableFuture.allOf(fs)); |
2665 |
fs[i].complete(one); |
2666 |
} |
2667 |
checkCompletedNormally(f, null); |
2668 |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
2669 |
} |
2670 |
} |
2671 |
|
2672 |
public void testAllOf_backwards() throws Exception { |
2673 |
for (int k = 1; k < 20; ++k) { |
2674 |
CompletableFuture<Integer>[] fs |
2675 |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
2676 |
for (int i = 0; i < k; ++i) |
2677 |
fs[i] = new CompletableFuture<>(); |
2678 |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
2679 |
for (int i = k - 1; i >= 0; i--) { |
2680 |
checkIncomplete(f); |
2681 |
checkIncomplete(CompletableFuture.allOf(fs)); |
2682 |
fs[i].complete(one); |
2683 |
} |
2684 |
checkCompletedNormally(f, null); |
2685 |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
2686 |
} |
2687 |
} |
2688 |
|
2689 |
/** |
2690 |
* anyOf(no component futures) returns an incomplete future |
2691 |
*/ |
2692 |
public void testAnyOf_empty() throws Exception { |
2693 |
CompletableFuture<Object> f = CompletableFuture.anyOf(); |
2694 |
checkIncomplete(f); |
2695 |
} |
2696 |
|
2697 |
/** |
2698 |
* anyOf returns a future completed normally with a value when |
2699 |
* a component future does |
2700 |
*/ |
2701 |
public void testAnyOf_normal() throws Exception { |
2702 |
for (int k = 0; k < 10; ++k) { |
2703 |
CompletableFuture[] fs = new CompletableFuture[k]; |
2704 |
for (int i = 0; i < k; ++i) |
2705 |
fs[i] = new CompletableFuture<>(); |
2706 |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
2707 |
checkIncomplete(f); |
2708 |
for (int i = 0; i < k; ++i) { |
2709 |
fs[i].complete(one); |
2710 |
checkCompletedNormally(f, one); |
2711 |
checkCompletedNormally(CompletableFuture.anyOf(fs), one); |
2712 |
} |
2713 |
} |
2714 |
} |
2715 |
|
2716 |
/** |
2717 |
* anyOf result completes exceptionally when any component does. |
2718 |
*/ |
2719 |
public void testAnyOf_exceptional() throws Exception { |
2720 |
for (int k = 0; k < 10; ++k) { |
2721 |
CompletableFuture[] fs = new CompletableFuture[k]; |
2722 |
for (int i = 0; i < k; ++i) |
2723 |
fs[i] = new CompletableFuture<>(); |
2724 |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
2725 |
checkIncomplete(f); |
2726 |
for (int i = 0; i < k; ++i) { |
2727 |
fs[i].completeExceptionally(new CFException()); |
2728 |
checkCompletedWithWrappedCFException(f); |
2729 |
checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); |
2730 |
} |
2731 |
} |
2732 |
} |
2733 |
|
2734 |
/** |
2735 |
* Completion methods throw NullPointerException with null arguments |
2736 |
*/ |
2737 |
public void testNPE() { |
2738 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2739 |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
2740 |
CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null; |
2741 |
CompletableFuture<?> h; |
2742 |
ThreadExecutor exec = new ThreadExecutor(); |
2743 |
|
2744 |
Runnable[] throwingActions = { |
2745 |
() -> CompletableFuture.supplyAsync(null), |
2746 |
() -> CompletableFuture.supplyAsync(null, exec), |
2747 |
() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null), |
2748 |
|
2749 |
() -> CompletableFuture.runAsync(null), |
2750 |
() -> CompletableFuture.runAsync(null, exec), |
2751 |
() -> CompletableFuture.runAsync(() -> {}, null), |
2752 |
|
2753 |
() -> f.completeExceptionally(null), |
2754 |
|
2755 |
() -> f.thenApply(null), |
2756 |
() -> f.thenApplyAsync(null), |
2757 |
() -> f.thenApplyAsync((x) -> x, null), |
2758 |
() -> f.thenApplyAsync(null, exec), |
2759 |
|
2760 |
() -> f.thenAccept(null), |
2761 |
() -> f.thenAcceptAsync(null), |
2762 |
() -> f.thenAcceptAsync((x) -> {} , null), |
2763 |
() -> f.thenAcceptAsync(null, exec), |
2764 |
|
2765 |
() -> f.thenRun(null), |
2766 |
() -> f.thenRunAsync(null), |
2767 |
() -> f.thenRunAsync(() -> {} , null), |
2768 |
() -> f.thenRunAsync(null, exec), |
2769 |
|
2770 |
() -> f.thenCombine(g, null), |
2771 |
() -> f.thenCombineAsync(g, null), |
2772 |
() -> f.thenCombineAsync(g, null, exec), |
2773 |
() -> f.thenCombine(nullFuture, (x, y) -> x), |
2774 |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x), |
2775 |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec), |
2776 |
() -> f.thenCombineAsync(g, (x, y) -> x, null), |
2777 |
|
2778 |
() -> f.thenAcceptBoth(g, null), |
2779 |
() -> f.thenAcceptBothAsync(g, null), |
2780 |
() -> f.thenAcceptBothAsync(g, null, exec), |
2781 |
() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}), |
2782 |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}), |
2783 |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec), |
2784 |
() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null), |
2785 |
|
2786 |
() -> f.runAfterBoth(g, null), |
2787 |
() -> f.runAfterBothAsync(g, null), |
2788 |
() -> f.runAfterBothAsync(g, null, exec), |
2789 |
() -> f.runAfterBoth(nullFuture, () -> {}), |
2790 |
() -> f.runAfterBothAsync(nullFuture, () -> {}), |
2791 |
() -> f.runAfterBothAsync(nullFuture, () -> {}, exec), |
2792 |
() -> f.runAfterBothAsync(g, () -> {}, null), |
2793 |
|
2794 |
() -> f.applyToEither(g, null), |
2795 |
() -> f.applyToEitherAsync(g, null), |
2796 |
() -> f.applyToEitherAsync(g, null, exec), |
2797 |
() -> f.applyToEither(nullFuture, (x) -> x), |
2798 |
() -> f.applyToEitherAsync(nullFuture, (x) -> x), |
2799 |
() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec), |
2800 |
() -> f.applyToEitherAsync(g, (x) -> x, null), |
2801 |
|
2802 |
() -> f.acceptEither(g, null), |
2803 |
() -> f.acceptEitherAsync(g, null), |
2804 |
() -> f.acceptEitherAsync(g, null, exec), |
2805 |
() -> f.acceptEither(nullFuture, (x) -> {}), |
2806 |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}), |
2807 |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec), |
2808 |
() -> f.acceptEitherAsync(g, (x) -> {}, null), |
2809 |
|
2810 |
() -> f.runAfterEither(g, null), |
2811 |
() -> f.runAfterEitherAsync(g, null), |
2812 |
() -> f.runAfterEitherAsync(g, null, exec), |
2813 |
() -> f.runAfterEither(nullFuture, () -> {}), |
2814 |
() -> f.runAfterEitherAsync(nullFuture, () -> {}), |
2815 |
() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec), |
2816 |
() -> f.runAfterEitherAsync(g, () -> {}, null), |
2817 |
|
2818 |
() -> f.thenCompose(null), |
2819 |
() -> f.thenComposeAsync(null), |
2820 |
() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null), |
2821 |
() -> f.thenComposeAsync(null, exec), |
2822 |
|
2823 |
() -> f.exceptionally(null), |
2824 |
|
2825 |
() -> f.handle(null), |
2826 |
|
2827 |
() -> CompletableFuture.allOf((CompletableFuture<?>)null), |
2828 |
() -> CompletableFuture.allOf((CompletableFuture<?>[])null), |
2829 |
() -> CompletableFuture.allOf(f, null), |
2830 |
() -> CompletableFuture.allOf(null, f), |
2831 |
|
2832 |
() -> CompletableFuture.anyOf((CompletableFuture<?>)null), |
2833 |
() -> CompletableFuture.anyOf((CompletableFuture<?>[])null), |
2834 |
() -> CompletableFuture.anyOf(f, null), |
2835 |
() -> CompletableFuture.anyOf(null, f), |
2836 |
|
2837 |
() -> f.obtrudeException(null), |
2838 |
}; |
2839 |
|
2840 |
assertThrows(NullPointerException.class, throwingActions); |
2841 |
assertEquals(0, exec.count.get()); |
2842 |
} |
2843 |
|
2844 |
/** |
2845 |
* toCompletableFuture returns this CompletableFuture. |
2846 |
*/ |
2847 |
public void testToCompletableFuture() { |
2848 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2849 |
assertSame(f, f.toCompletableFuture()); |
2850 |
} |
2851 |
|
2852 |
/** |
2853 |
* whenComplete action executes on normal completion, propagating |
2854 |
* source result. |
2855 |
*/ |
2856 |
public void testWhenComplete_normalCompletion1() { |
2857 |
for (ExecutionMode m : ExecutionMode.values()) |
2858 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2859 |
for (Integer v1 : new Integer[] { 1, null }) |
2860 |
{ |
2861 |
final AtomicInteger a = new AtomicInteger(0); |
2862 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2863 |
if (!createIncomplete) f.complete(v1); |
2864 |
final CompletableFuture<Integer> g = m.whenComplete |
2865 |
(f, |
2866 |
(Integer x, Throwable t) -> { |
2867 |
m.checkExecutionMode(); |
2868 |
threadAssertSame(x, v1); |
2869 |
threadAssertNull(t); |
2870 |
a.getAndIncrement(); |
2871 |
}); |
2872 |
if (createIncomplete) f.complete(v1); |
2873 |
|
2874 |
checkCompletedNormally(g, v1); |
2875 |
checkCompletedNormally(f, v1); |
2876 |
assertEquals(1, a.get()); |
2877 |
}} |
2878 |
|
2879 |
/** |
2880 |
* whenComplete action executes on exceptional completion, propagating |
2881 |
* source result. |
2882 |
*/ |
2883 |
public void testWhenComplete_exceptionalCompletion() { |
2884 |
for (ExecutionMode m : ExecutionMode.values()) |
2885 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2886 |
for (Integer v1 : new Integer[] { 1, null }) |
2887 |
{ |
2888 |
final AtomicInteger a = new AtomicInteger(0); |
2889 |
final CFException ex = new CFException(); |
2890 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2891 |
if (!createIncomplete) f.completeExceptionally(ex); |
2892 |
final CompletableFuture<Integer> g = m.whenComplete |
2893 |
(f, |
2894 |
(Integer x, Throwable t) -> { |
2895 |
m.checkExecutionMode(); |
2896 |
threadAssertNull(x); |
2897 |
threadAssertSame(t, ex); |
2898 |
a.getAndIncrement(); |
2899 |
}); |
2900 |
if (createIncomplete) f.completeExceptionally(ex); |
2901 |
checkCompletedExceptionally(f, ex); |
2902 |
checkCompletedWithWrappedException(g, ex); |
2903 |
assertEquals(1, a.get()); |
2904 |
}} |
2905 |
|
2906 |
/** |
2907 |
* whenComplete action executes on cancelled source, propagating |
2908 |
* CancellationException. |
2909 |
*/ |
2910 |
public void testWhenComplete_sourceCancelled() { |
2911 |
for (ExecutionMode m : ExecutionMode.values()) |
2912 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2913 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2914 |
{ |
2915 |
final AtomicInteger a = new AtomicInteger(0); |
2916 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2917 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2918 |
final CompletableFuture<Integer> g = m.whenComplete |
2919 |
(f, |
2920 |
(Integer x, Throwable t) -> { |
2921 |
m.checkExecutionMode(); |
2922 |
threadAssertNull(x); |
2923 |
threadAssertTrue(t instanceof CancellationException); |
2924 |
a.getAndIncrement(); |
2925 |
}); |
2926 |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2927 |
|
2928 |
checkCompletedWithWrappedCancellationException(g); |
2929 |
checkCancelled(f); |
2930 |
assertEquals(1, a.get()); |
2931 |
}} |
2932 |
|
2933 |
/** |
2934 |
* If a whenComplete action throws an exception when triggered by |
2935 |
* a normal completion, it completes exceptionally |
2936 |
*/ |
2937 |
public void testWhenComplete_actionFailed() { |
2938 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2939 |
for (ExecutionMode m : ExecutionMode.values()) |
2940 |
for (Integer v1 : new Integer[] { 1, null }) |
2941 |
{ |
2942 |
final AtomicInteger a = new AtomicInteger(0); |
2943 |
final CFException ex = new CFException(); |
2944 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2945 |
if (!createIncomplete) f.complete(v1); |
2946 |
final CompletableFuture<Integer> g = m.whenComplete |
2947 |
(f, |
2948 |
(Integer x, Throwable t) -> { |
2949 |
m.checkExecutionMode(); |
2950 |
threadAssertSame(x, v1); |
2951 |
threadAssertNull(t); |
2952 |
a.getAndIncrement(); |
2953 |
throw ex; |
2954 |
}); |
2955 |
if (createIncomplete) f.complete(v1); |
2956 |
checkCompletedNormally(f, v1); |
2957 |
checkCompletedWithWrappedException(g, ex); |
2958 |
assertEquals(1, a.get()); |
2959 |
}} |
2960 |
|
2961 |
/** |
2962 |
* If a whenComplete action throws an exception when triggered by |
2963 |
* a source completion that also throws an exception, the source |
2964 |
* exception takes precedence. |
2965 |
*/ |
2966 |
public void testWhenComplete_actionFailedSourceFailed() { |
2967 |
for (boolean createIncomplete : new boolean[] { true, false }) |
2968 |
for (ExecutionMode m : ExecutionMode.values()) |
2969 |
for (Integer v1 : new Integer[] { 1, null }) |
2970 |
{ |
2971 |
final AtomicInteger a = new AtomicInteger(0); |
2972 |
final CFException ex1 = new CFException(); |
2973 |
final CFException ex2 = new CFException(); |
2974 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2975 |
|
2976 |
if (!createIncomplete) f.completeExceptionally(ex1); |
2977 |
final CompletableFuture<Integer> g = m.whenComplete |
2978 |
(f, |
2979 |
(Integer x, Throwable t) -> { |
2980 |
m.checkExecutionMode(); |
2981 |
threadAssertSame(t, ex1); |
2982 |
threadAssertNull(x); |
2983 |
a.getAndIncrement(); |
2984 |
throw ex2; |
2985 |
}); |
2986 |
if (createIncomplete) f.completeExceptionally(ex1); |
2987 |
|
2988 |
checkCompletedExceptionally(f, ex1); |
2989 |
checkCompletedWithWrappedException(g, ex1); |
2990 |
assertEquals(1, a.get()); |
2991 |
}} |
2992 |
|
2993 |
} |