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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.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); } |
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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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|
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void checkCompletedWithWrappedCFException(CompletableFuture<?> f, |
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CFException ex) { |
108 |
try { |
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f.get(LONG_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
111 |
} 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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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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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); } |
156 |
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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checkIncomplete(f); |
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f.completeExceptionally(new CFException()); |
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checkCompletedWithWrappedCFException(f); |
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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); |
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} |
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|
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/** |
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* obtrudeValue forces completion with given value |
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*/ |
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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); |
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checkCompletedNormally(f, one); |
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f.obtrudeValue(three); |
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checkCompletedNormally(f, three); |
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f.obtrudeValue(two); |
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checkCompletedNormally(f, two); |
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f = new CompletableFuture<>(); |
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f.obtrudeValue(three); |
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checkCompletedNormally(f, three); |
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f.obtrudeValue(null); |
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checkCompletedNormally(f, null); |
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f = new CompletableFuture<>(); |
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f.completeExceptionally(new CFException()); |
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f.obtrudeValue(four); |
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checkCompletedNormally(f, four); |
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} |
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|
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/** |
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* obtrudeException forces completion with given exception |
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*/ |
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public void testObtrudeException() { |
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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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f.obtrudeException(new CFException()); |
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checkCompletedWithWrappedCFException(f); |
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f = new CompletableFuture<>(); |
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f.obtrudeException(new CFException()); |
270 |
checkCompletedWithWrappedCFException(f); |
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f = new CompletableFuture<>(); |
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f.completeExceptionally(new CFException()); |
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f.obtrudeValue(four); |
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checkCompletedNormally(f, four); |
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f.obtrudeException(new CFException()); |
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checkCompletedWithWrappedCFException(f); |
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} |
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|
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/** |
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* getNumberOfDependents returns number of dependent tasks |
281 |
*/ |
282 |
public void testGetNumberOfDependents() { |
283 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
284 |
assertEquals(0, f.getNumberOfDependents()); |
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CompletableFuture g = f.thenRun(new Noop()); |
286 |
assertEquals(1, f.getNumberOfDependents()); |
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assertEquals(0, g.getNumberOfDependents()); |
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CompletableFuture h = f.thenRun(new Noop()); |
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assertEquals(2, f.getNumberOfDependents()); |
290 |
f.complete(1); |
291 |
checkCompletedNormally(g, null); |
292 |
assertEquals(0, f.getNumberOfDependents()); |
293 |
assertEquals(0, g.getNumberOfDependents()); |
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} |
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|
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/** |
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* toString indicates current completion state |
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*/ |
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public void testToString() { |
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CompletableFuture<String> f; |
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|
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f = new CompletableFuture<String>(); |
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assertTrue(f.toString().contains("[Not completed]")); |
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|
305 |
f.complete("foo"); |
306 |
assertTrue(f.toString().contains("[Completed normally]")); |
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|
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f = new CompletableFuture<String>(); |
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f.completeExceptionally(new IndexOutOfBoundsException()); |
310 |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
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} |
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|
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/** |
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* completedFuture returns a completed CompletableFuture with given value |
315 |
*/ |
316 |
public void testCompletedFuture() { |
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CompletableFuture<String> f = CompletableFuture.completedFuture("test"); |
318 |
checkCompletedNormally(f, "test"); |
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} |
320 |
|
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// Choose non-commutative actions for better coverage |
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|
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// A non-commutative function that handles and produces null values as well. |
324 |
static Integer subtract(Integer x, Integer y) { |
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return (x == null && y == null) ? null : |
326 |
((x == null) ? 42 : x.intValue()) |
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- ((y == null) ? 99 : y.intValue()); |
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} |
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|
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// A function that handles and produces null values as well. |
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static Integer inc(Integer x) { |
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return (x == null) ? null : x + 1; |
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} |
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|
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static final Supplier<Integer> supplyOne = |
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() -> Integer.valueOf(1); |
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static final Function<Integer, Integer> inc = |
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(Integer x) -> Integer.valueOf(x.intValue() + 1); |
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static final BiFunction<Integer, Integer, Integer> subtract = |
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(Integer x, Integer y) -> subtract(x, y); |
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static final class IncAction implements Consumer<Integer> { |
342 |
int invocationCount = 0; |
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Integer value; |
344 |
public void accept(Integer x) { |
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invocationCount++; |
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value = inc(x); |
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} |
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} |
349 |
static final class IncFunction implements Function<Integer,Integer> { |
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int invocationCount = 0; |
351 |
Integer value; |
352 |
public Integer apply(Integer x) { |
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invocationCount++; |
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return value = inc(x); |
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} |
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} |
357 |
static final class SubtractAction implements BiConsumer<Integer, Integer> { |
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int invocationCount = 0; |
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Integer value; |
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// Check this action was invoked exactly once when result is computed. |
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public void accept(Integer x, Integer y) { |
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invocationCount++; |
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value = subtract(x, y); |
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} |
365 |
} |
366 |
static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> { |
367 |
int invocationCount = 0; |
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Integer value; |
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// Check this action was invoked exactly once when result is computed. |
370 |
public Integer apply(Integer x, Integer y) { |
371 |
invocationCount++; |
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return value = subtract(x, y); |
373 |
} |
374 |
} |
375 |
static final class Noop implements Runnable { |
376 |
int invocationCount = 0; |
377 |
public void run() { |
378 |
invocationCount++; |
379 |
} |
380 |
} |
381 |
|
382 |
static final class FailingSupplier implements Supplier<Integer> { |
383 |
int invocationCount = 0; |
384 |
public Integer get() { |
385 |
invocationCount++; |
386 |
throw new CFException(); |
387 |
} |
388 |
} |
389 |
static final class FailingConsumer implements Consumer<Integer> { |
390 |
int invocationCount = 0; |
391 |
public void accept(Integer x) { |
392 |
invocationCount++; |
393 |
throw new CFException(); |
394 |
} |
395 |
} |
396 |
static final class FailingBiConsumer implements BiConsumer<Integer, Integer> { |
397 |
int invocationCount = 0; |
398 |
public void accept(Integer x, Integer y) { |
399 |
invocationCount++; |
400 |
throw new CFException(); |
401 |
} |
402 |
} |
403 |
static final class FailingFunction implements Function<Integer, Integer> { |
404 |
int invocationCount = 0; |
405 |
public Integer apply(Integer x) { |
406 |
invocationCount++; |
407 |
throw new CFException(); |
408 |
} |
409 |
} |
410 |
static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> { |
411 |
int invocationCount = 0; |
412 |
public Integer apply(Integer x, Integer y) { |
413 |
invocationCount++; |
414 |
throw new CFException(); |
415 |
} |
416 |
} |
417 |
static final class FailingNoop implements Runnable { |
418 |
int invocationCount = 0; |
419 |
public void run() { |
420 |
invocationCount++; |
421 |
throw new CFException(); |
422 |
} |
423 |
} |
424 |
|
425 |
static final class CompletableFutureInc |
426 |
implements Function<Integer, CompletableFuture<Integer>> { |
427 |
int invocationCount = 0; |
428 |
public CompletableFuture<Integer> apply(Integer x) { |
429 |
invocationCount++; |
430 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
431 |
f.complete(inc(x)); |
432 |
return f; |
433 |
} |
434 |
} |
435 |
|
436 |
static final class FailingCompletableFutureFunction |
437 |
implements Function<Integer, CompletableFuture<Integer>> { |
438 |
int invocationCount = 0; |
439 |
public CompletableFuture<Integer> apply(Integer x) { |
440 |
invocationCount++; |
441 |
throw new CFException(); |
442 |
} |
443 |
} |
444 |
|
445 |
// Used for explicit executor tests |
446 |
static final class ThreadExecutor implements Executor { |
447 |
AtomicInteger count = new AtomicInteger(0); |
448 |
|
449 |
public void execute(Runnable r) { |
450 |
count.getAndIncrement(); |
451 |
new Thread(r).start(); |
452 |
} |
453 |
} |
454 |
|
455 |
/** |
456 |
* Permits the testing of parallel code for the 3 different |
457 |
* execution modes without repeating all the testing code. |
458 |
*/ |
459 |
enum ExecutionMode { |
460 |
DEFAULT { |
461 |
public <T> CompletableFuture<Void> thenRun |
462 |
(CompletableFuture<T> f, Runnable a) { |
463 |
return f.thenRun(a); |
464 |
} |
465 |
public <T> CompletableFuture<Void> thenAccept |
466 |
(CompletableFuture<T> f, Consumer<? super T> a) { |
467 |
return f.thenAccept(a); |
468 |
} |
469 |
public <T,U> CompletableFuture<U> thenApply |
470 |
(CompletableFuture<T> f, Function<? super T,U> a) { |
471 |
return f.thenApply(a); |
472 |
} |
473 |
public <T,U> CompletableFuture<U> thenCompose |
474 |
(CompletableFuture<T> f, |
475 |
Function<? super T,? extends CompletionStage<U>> a) { |
476 |
return f.thenCompose(a); |
477 |
} |
478 |
public <T,U> CompletableFuture<U> handle |
479 |
(CompletableFuture<T> f, |
480 |
BiFunction<? super T,Throwable,? extends U> a) { |
481 |
return f.handle(a); |
482 |
} |
483 |
public <T> CompletableFuture<T> whenComplete |
484 |
(CompletableFuture<T> f, |
485 |
BiConsumer<? super T,? super Throwable> a) { |
486 |
return f.whenComplete(a); |
487 |
} |
488 |
public <T,U> CompletableFuture<Void> runAfterBoth |
489 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
490 |
return f.runAfterBoth(g, a); |
491 |
} |
492 |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
493 |
(CompletableFuture<T> f, |
494 |
CompletionStage<? extends U> g, |
495 |
BiConsumer<? super T,? super U> a) { |
496 |
return f.thenAcceptBoth(g, a); |
497 |
} |
498 |
public <T,U,V> CompletableFuture<V> thenCombine |
499 |
(CompletableFuture<T> f, |
500 |
CompletionStage<? extends U> g, |
501 |
BiFunction<? super T,? super U,? extends V> a) { |
502 |
return f.thenCombine(g, a); |
503 |
} |
504 |
public <T> CompletableFuture<Void> runAfterEither |
505 |
(CompletableFuture<T> f, |
506 |
CompletionStage<?> g, |
507 |
java.lang.Runnable a) { |
508 |
return f.runAfterEither(g, a); |
509 |
} |
510 |
public <T> CompletableFuture<Void> acceptEither |
511 |
(CompletableFuture<T> f, |
512 |
CompletionStage<? extends T> g, |
513 |
Consumer<? super T> a) { |
514 |
return f.acceptEither(g, a); |
515 |
} |
516 |
public <T,U> CompletableFuture<U> applyToEither |
517 |
(CompletableFuture<T> f, |
518 |
CompletionStage<? extends T> g, |
519 |
Function<? super T,U> a) { |
520 |
return f.applyToEither(g, a); |
521 |
} |
522 |
}, |
523 |
|
524 |
DEFAULT_ASYNC { |
525 |
public <T> CompletableFuture<Void> thenRun |
526 |
(CompletableFuture<T> f, Runnable a) { |
527 |
return f.thenRunAsync(a); |
528 |
} |
529 |
public <T> CompletableFuture<Void> thenAccept |
530 |
(CompletableFuture<T> f, Consumer<? super T> a) { |
531 |
return f.thenAcceptAsync(a); |
532 |
} |
533 |
public <T,U> CompletableFuture<U> thenApply |
534 |
(CompletableFuture<T> f, Function<? super T,U> a) { |
535 |
return f.thenApplyAsync(a); |
536 |
} |
537 |
public <T,U> CompletableFuture<U> thenCompose |
538 |
(CompletableFuture<T> f, |
539 |
Function<? super T,? extends CompletionStage<U>> a) { |
540 |
return f.thenComposeAsync(a); |
541 |
} |
542 |
public <T,U> CompletableFuture<U> handle |
543 |
(CompletableFuture<T> f, |
544 |
BiFunction<? super T,Throwable,? extends U> a) { |
545 |
return f.handleAsync(a); |
546 |
} |
547 |
public <T> CompletableFuture<T> whenComplete |
548 |
(CompletableFuture<T> f, |
549 |
BiConsumer<? super T,? super Throwable> a) { |
550 |
return f.whenCompleteAsync(a); |
551 |
} |
552 |
public <T,U> CompletableFuture<Void> runAfterBoth |
553 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
554 |
return f.runAfterBothAsync(g, a); |
555 |
} |
556 |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
557 |
(CompletableFuture<T> f, |
558 |
CompletionStage<? extends U> g, |
559 |
BiConsumer<? super T,? super U> a) { |
560 |
return f.thenAcceptBothAsync(g, a); |
561 |
} |
562 |
public <T,U,V> CompletableFuture<V> thenCombine |
563 |
(CompletableFuture<T> f, |
564 |
CompletionStage<? extends U> g, |
565 |
BiFunction<? super T,? super U,? extends V> a) { |
566 |
return f.thenCombineAsync(g, a); |
567 |
} |
568 |
public <T> CompletableFuture<Void> runAfterEither |
569 |
(CompletableFuture<T> f, |
570 |
CompletionStage<?> g, |
571 |
java.lang.Runnable a) { |
572 |
return f.runAfterEitherAsync(g, a); |
573 |
} |
574 |
public <T> CompletableFuture<Void> acceptEither |
575 |
(CompletableFuture<T> f, |
576 |
CompletionStage<? extends T> g, |
577 |
Consumer<? super T> a) { |
578 |
return f.acceptEitherAsync(g, a); |
579 |
} |
580 |
public <T,U> CompletableFuture<U> applyToEither |
581 |
(CompletableFuture<T> f, |
582 |
CompletionStage<? extends T> g, |
583 |
Function<? super T,U> a) { |
584 |
return f.applyToEitherAsync(g, a); |
585 |
} |
586 |
}, |
587 |
|
588 |
EXECUTOR { |
589 |
public <T> CompletableFuture<Void> thenRun |
590 |
(CompletableFuture<T> f, Runnable a) { |
591 |
return f.thenRunAsync(a, new ThreadExecutor()); |
592 |
} |
593 |
public <T> CompletableFuture<Void> thenAccept |
594 |
(CompletableFuture<T> f, Consumer<? super T> a) { |
595 |
return f.thenAcceptAsync(a, new ThreadExecutor()); |
596 |
} |
597 |
public <T,U> CompletableFuture<U> thenApply |
598 |
(CompletableFuture<T> f, Function<? super T,U> a) { |
599 |
return f.thenApplyAsync(a, new ThreadExecutor()); |
600 |
} |
601 |
public <T,U> CompletableFuture<U> thenCompose |
602 |
(CompletableFuture<T> f, |
603 |
Function<? super T,? extends CompletionStage<U>> a) { |
604 |
return f.thenComposeAsync(a, new ThreadExecutor()); |
605 |
} |
606 |
public <T,U> CompletableFuture<U> handle |
607 |
(CompletableFuture<T> f, |
608 |
BiFunction<? super T,Throwable,? extends U> a) { |
609 |
return f.handleAsync(a, new ThreadExecutor()); |
610 |
} |
611 |
public <T> CompletableFuture<T> whenComplete |
612 |
(CompletableFuture<T> f, |
613 |
BiConsumer<? super T,? super Throwable> a) { |
614 |
return f.whenCompleteAsync(a, new ThreadExecutor()); |
615 |
} |
616 |
public <T,U> CompletableFuture<Void> runAfterBoth |
617 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
618 |
return f.runAfterBothAsync(g, a, new ThreadExecutor()); |
619 |
} |
620 |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
621 |
(CompletableFuture<T> f, |
622 |
CompletionStage<? extends U> g, |
623 |
BiConsumer<? super T,? super U> a) { |
624 |
return f.thenAcceptBothAsync(g, a, new ThreadExecutor()); |
625 |
} |
626 |
public <T,U,V> CompletableFuture<V> thenCombine |
627 |
(CompletableFuture<T> f, |
628 |
CompletionStage<? extends U> g, |
629 |
BiFunction<? super T,? super U,? extends V> a) { |
630 |
return f.thenCombineAsync(g, a, new ThreadExecutor()); |
631 |
} |
632 |
public <T> CompletableFuture<Void> runAfterEither |
633 |
(CompletableFuture<T> f, |
634 |
CompletionStage<?> g, |
635 |
java.lang.Runnable a) { |
636 |
return f.runAfterEitherAsync(g, a, new ThreadExecutor()); |
637 |
} |
638 |
public <T> CompletableFuture<Void> acceptEither |
639 |
(CompletableFuture<T> f, |
640 |
CompletionStage<? extends T> g, |
641 |
Consumer<? super T> a) { |
642 |
return f.acceptEitherAsync(g, a, new ThreadExecutor()); |
643 |
} |
644 |
public <T,U> CompletableFuture<U> applyToEither |
645 |
(CompletableFuture<T> f, |
646 |
CompletionStage<? extends T> g, |
647 |
Function<? super T,U> a) { |
648 |
return f.applyToEitherAsync(g, a, new ThreadExecutor()); |
649 |
} |
650 |
}; |
651 |
|
652 |
public abstract <T> CompletableFuture<Void> thenRun |
653 |
(CompletableFuture<T> f, Runnable a); |
654 |
public abstract <T> CompletableFuture<Void> thenAccept |
655 |
(CompletableFuture<T> f, Consumer<? super T> a); |
656 |
public abstract <T,U> CompletableFuture<U> thenApply |
657 |
(CompletableFuture<T> f, Function<? super T,U> a); |
658 |
public abstract <T,U> CompletableFuture<U> thenCompose |
659 |
(CompletableFuture<T> f, |
660 |
Function<? super T,? extends CompletionStage<U>> a); |
661 |
public abstract <T,U> CompletableFuture<U> handle |
662 |
(CompletableFuture<T> f, |
663 |
BiFunction<? super T,Throwable,? extends U> a); |
664 |
public abstract <T> CompletableFuture<T> whenComplete |
665 |
(CompletableFuture<T> f, |
666 |
BiConsumer<? super T,? super Throwable> a); |
667 |
public abstract <T,U> CompletableFuture<Void> runAfterBoth |
668 |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a); |
669 |
public abstract <T,U> CompletableFuture<Void> thenAcceptBoth |
670 |
(CompletableFuture<T> f, |
671 |
CompletionStage<? extends U> g, |
672 |
BiConsumer<? super T,? super U> a); |
673 |
public abstract <T,U,V> CompletableFuture<V> thenCombine |
674 |
(CompletableFuture<T> f, |
675 |
CompletionStage<? extends U> g, |
676 |
BiFunction<? super T,? super U,? extends V> a); |
677 |
public abstract <T> CompletableFuture<Void> runAfterEither |
678 |
(CompletableFuture<T> f, |
679 |
CompletionStage<?> g, |
680 |
java.lang.Runnable a); |
681 |
public abstract <T> CompletableFuture<Void> acceptEither |
682 |
(CompletableFuture<T> f, |
683 |
CompletionStage<? extends T> g, |
684 |
Consumer<? super T> a); |
685 |
public abstract <T,U> CompletableFuture<U> applyToEither |
686 |
(CompletableFuture<T> f, |
687 |
CompletionStage<? extends T> g, |
688 |
Function<? super T,U> a); |
689 |
} |
690 |
|
691 |
/** |
692 |
* exceptionally action is not invoked when source completes |
693 |
* normally, and source result is propagated |
694 |
*/ |
695 |
public void testExceptionally_normalCompletion() { |
696 |
for (boolean createIncomplete : new boolean[] { true, false }) |
697 |
for (Integer v1 : new Integer[] { 1, null }) |
698 |
{ |
699 |
final AtomicInteger a = new AtomicInteger(0); |
700 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
701 |
if (!createIncomplete) f.complete(v1); |
702 |
final CompletableFuture<Integer> g = f.exceptionally |
703 |
((Throwable t) -> { |
704 |
// Should not be called |
705 |
a.getAndIncrement(); |
706 |
throw new AssertionError(); |
707 |
}); |
708 |
if (createIncomplete) f.complete(v1); |
709 |
|
710 |
checkCompletedNormally(g, v1); |
711 |
checkCompletedNormally(f, v1); |
712 |
assertEquals(0, a.get()); |
713 |
}} |
714 |
|
715 |
|
716 |
/** |
717 |
* exceptionally action completes with function value on source |
718 |
* exception |
719 |
*/ |
720 |
public void testExceptionally_exceptionalCompletion() { |
721 |
for (boolean createIncomplete : new boolean[] { true, false }) |
722 |
for (Integer v1 : new Integer[] { 1, null }) |
723 |
{ |
724 |
final AtomicInteger a = new AtomicInteger(0); |
725 |
final CFException ex = new CFException(); |
726 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
727 |
if (!createIncomplete) f.completeExceptionally(ex); |
728 |
final CompletableFuture<Integer> g = f.exceptionally |
729 |
((Throwable t) -> { |
730 |
threadAssertSame(t, ex); |
731 |
a.getAndIncrement(); |
732 |
return v1; |
733 |
}); |
734 |
if (createIncomplete) f.completeExceptionally(ex); |
735 |
|
736 |
checkCompletedNormally(g, v1); |
737 |
assertEquals(1, a.get()); |
738 |
}} |
739 |
|
740 |
public void testExceptionally_exceptionalCompletionActionFailed() { |
741 |
for (boolean createIncomplete : new boolean[] { true, false }) |
742 |
for (Integer v1 : new Integer[] { 1, null }) |
743 |
{ |
744 |
final AtomicInteger a = new AtomicInteger(0); |
745 |
final CFException ex1 = new CFException(); |
746 |
final CFException ex2 = new CFException(); |
747 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
748 |
if (!createIncomplete) f.completeExceptionally(ex1); |
749 |
final CompletableFuture<Integer> g = f.exceptionally |
750 |
((Throwable t) -> { |
751 |
threadAssertSame(t, ex1); |
752 |
a.getAndIncrement(); |
753 |
throw ex2; |
754 |
}); |
755 |
if (createIncomplete) f.completeExceptionally(ex1); |
756 |
|
757 |
checkCompletedWithWrappedCFException(g, ex2); |
758 |
assertEquals(1, a.get()); |
759 |
}} |
760 |
|
761 |
/** |
762 |
* handle action completes normally with function value on normal |
763 |
* completion of source |
764 |
*/ |
765 |
public void testHandle_normalCompletion() { |
766 |
for (ExecutionMode m : ExecutionMode.values()) |
767 |
for (boolean createIncomplete : new boolean[] { true, false }) |
768 |
for (Integer v1 : new Integer[] { 1, null }) |
769 |
{ |
770 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
771 |
final AtomicInteger a = new AtomicInteger(0); |
772 |
if (!createIncomplete) f.complete(v1); |
773 |
final CompletableFuture<Integer> g = m.handle |
774 |
(f, |
775 |
(Integer x, Throwable t) -> { |
776 |
threadAssertSame(x, v1); |
777 |
threadAssertNull(t); |
778 |
a.getAndIncrement(); |
779 |
return inc(v1); |
780 |
}); |
781 |
if (createIncomplete) f.complete(v1); |
782 |
|
783 |
checkCompletedNormally(g, inc(v1)); |
784 |
checkCompletedNormally(f, v1); |
785 |
assertEquals(1, a.get()); |
786 |
}} |
787 |
|
788 |
/** |
789 |
* handle action completes normally with function value on |
790 |
* exceptional completion of source |
791 |
*/ |
792 |
public void testHandle_exceptionalCompletion() { |
793 |
for (ExecutionMode m : ExecutionMode.values()) |
794 |
for (boolean createIncomplete : new boolean[] { true, false }) |
795 |
for (Integer v1 : new Integer[] { 1, null }) |
796 |
{ |
797 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
798 |
final AtomicInteger a = new AtomicInteger(0); |
799 |
final CFException ex = new CFException(); |
800 |
if (!createIncomplete) f.completeExceptionally(ex); |
801 |
final CompletableFuture<Integer> g = m.handle |
802 |
(f, |
803 |
(Integer x, Throwable t) -> { |
804 |
threadAssertNull(x); |
805 |
threadAssertSame(t, ex); |
806 |
a.getAndIncrement(); |
807 |
return v1; |
808 |
}); |
809 |
if (createIncomplete) f.completeExceptionally(ex); |
810 |
|
811 |
checkCompletedNormally(g, v1); |
812 |
checkCompletedWithWrappedCFException(f, ex); |
813 |
assertEquals(1, a.get()); |
814 |
}} |
815 |
|
816 |
/** |
817 |
* handle action completes normally with function value on |
818 |
* cancelled source |
819 |
*/ |
820 |
public void testHandle_sourceCancelled() { |
821 |
for (ExecutionMode m : ExecutionMode.values()) |
822 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
823 |
for (boolean createIncomplete : new boolean[] { true, false }) |
824 |
for (Integer v1 : new Integer[] { 1, null }) |
825 |
{ |
826 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
827 |
final AtomicInteger a = new AtomicInteger(0); |
828 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
829 |
final CompletableFuture<Integer> g = m.handle |
830 |
(f, |
831 |
(Integer x, Throwable t) -> { |
832 |
threadAssertNull(x); |
833 |
threadAssertTrue(t instanceof CancellationException); |
834 |
a.getAndIncrement(); |
835 |
return v1; |
836 |
}); |
837 |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
838 |
|
839 |
checkCompletedNormally(g, v1); |
840 |
checkCancelled(f); |
841 |
assertEquals(1, a.get()); |
842 |
}} |
843 |
|
844 |
/** |
845 |
* handle result completes exceptionally if action does |
846 |
*/ |
847 |
public void testHandle_sourceFailedActionFailed() { |
848 |
for (ExecutionMode m : ExecutionMode.values()) |
849 |
for (boolean createIncomplete : new boolean[] { true, false }) |
850 |
{ |
851 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
852 |
final AtomicInteger a = new AtomicInteger(0); |
853 |
final CFException ex1 = new CFException(); |
854 |
final CFException ex2 = new CFException(); |
855 |
if (!createIncomplete) f.completeExceptionally(ex1); |
856 |
final CompletableFuture<Integer> g = m.handle |
857 |
(f, |
858 |
(Integer x, Throwable t) -> { |
859 |
threadAssertNull(x); |
860 |
threadAssertSame(ex1, t); |
861 |
a.getAndIncrement(); |
862 |
throw ex2; |
863 |
}); |
864 |
if (createIncomplete) f.completeExceptionally(ex1); |
865 |
|
866 |
checkCompletedWithWrappedCFException(g, ex2); |
867 |
checkCompletedWithWrappedCFException(f, ex1); |
868 |
assertEquals(1, a.get()); |
869 |
}} |
870 |
|
871 |
public void testHandle_sourceCompletedNormallyActionFailed() { |
872 |
for (ExecutionMode m : ExecutionMode.values()) |
873 |
for (boolean createIncomplete : new boolean[] { true, false }) |
874 |
for (Integer v1 : new Integer[] { 1, null }) |
875 |
{ |
876 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
877 |
final AtomicInteger a = new AtomicInteger(0); |
878 |
final CFException ex = new CFException(); |
879 |
if (!createIncomplete) f.complete(v1); |
880 |
final CompletableFuture<Integer> g = m.handle |
881 |
(f, |
882 |
(Integer x, Throwable t) -> { |
883 |
threadAssertSame(x, v1); |
884 |
threadAssertNull(t); |
885 |
a.getAndIncrement(); |
886 |
throw ex; |
887 |
}); |
888 |
if (createIncomplete) f.complete(v1); |
889 |
|
890 |
checkCompletedWithWrappedCFException(g, ex); |
891 |
checkCompletedNormally(f, v1); |
892 |
assertEquals(1, a.get()); |
893 |
}} |
894 |
|
895 |
/** |
896 |
* runAsync completes after running Runnable |
897 |
*/ |
898 |
public void testRunAsync() { |
899 |
Noop r = new Noop(); |
900 |
CompletableFuture<Void> f = CompletableFuture.runAsync(r); |
901 |
assertNull(f.join()); |
902 |
assertEquals(1, r.invocationCount); |
903 |
checkCompletedNormally(f, null); |
904 |
} |
905 |
|
906 |
/** |
907 |
* runAsync with executor completes after running Runnable |
908 |
*/ |
909 |
public void testRunAsync2() { |
910 |
Noop r = new Noop(); |
911 |
ThreadExecutor exec = new ThreadExecutor(); |
912 |
CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec); |
913 |
assertNull(f.join()); |
914 |
assertEquals(1, r.invocationCount); |
915 |
checkCompletedNormally(f, null); |
916 |
assertEquals(1, exec.count.get()); |
917 |
} |
918 |
|
919 |
/** |
920 |
* failing runAsync completes exceptionally after running Runnable |
921 |
*/ |
922 |
public void testRunAsync3() { |
923 |
FailingNoop r = new FailingNoop(); |
924 |
CompletableFuture<Void> f = CompletableFuture.runAsync(r); |
925 |
checkCompletedWithWrappedCFException(f); |
926 |
assertEquals(1, r.invocationCount); |
927 |
} |
928 |
|
929 |
/** |
930 |
* supplyAsync completes with result of supplier |
931 |
*/ |
932 |
public void testSupplyAsync() { |
933 |
CompletableFuture<Integer> f; |
934 |
f = CompletableFuture.supplyAsync(supplyOne); |
935 |
assertEquals(f.join(), one); |
936 |
checkCompletedNormally(f, one); |
937 |
} |
938 |
|
939 |
/** |
940 |
* supplyAsync with executor completes with result of supplier |
941 |
*/ |
942 |
public void testSupplyAsync2() { |
943 |
CompletableFuture<Integer> f; |
944 |
f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor()); |
945 |
assertEquals(f.join(), one); |
946 |
checkCompletedNormally(f, one); |
947 |
} |
948 |
|
949 |
/** |
950 |
* Failing supplyAsync completes exceptionally |
951 |
*/ |
952 |
public void testSupplyAsync3() { |
953 |
FailingSupplier r = new FailingSupplier(); |
954 |
CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r); |
955 |
checkCompletedWithWrappedCFException(f); |
956 |
assertEquals(1, r.invocationCount); |
957 |
} |
958 |
|
959 |
// seq completion methods |
960 |
|
961 |
/** |
962 |
* thenRun result completes normally after normal completion of source |
963 |
*/ |
964 |
public void testThenRun() { |
965 |
CompletableFuture<Integer> f; |
966 |
CompletableFuture<Void> g; |
967 |
Noop r; |
968 |
|
969 |
f = new CompletableFuture<>(); |
970 |
g = f.thenRun(r = new Noop()); |
971 |
f.complete(null); |
972 |
checkCompletedNormally(g, null); |
973 |
assertEquals(1, r.invocationCount); |
974 |
|
975 |
f = new CompletableFuture<>(); |
976 |
f.complete(null); |
977 |
g = f.thenRun(r = new Noop()); |
978 |
checkCompletedNormally(g, null); |
979 |
assertEquals(1, r.invocationCount); |
980 |
} |
981 |
|
982 |
/** |
983 |
* thenRun result completes exceptionally after exceptional |
984 |
* completion of source |
985 |
*/ |
986 |
public void testThenRun2() { |
987 |
CompletableFuture<Integer> f; |
988 |
CompletableFuture<Void> g; |
989 |
Noop r; |
990 |
|
991 |
f = new CompletableFuture<>(); |
992 |
g = f.thenRun(r = new Noop()); |
993 |
f.completeExceptionally(new CFException()); |
994 |
checkCompletedWithWrappedCFException(g); |
995 |
assertEquals(0, r.invocationCount); |
996 |
|
997 |
f = new CompletableFuture<>(); |
998 |
f.completeExceptionally(new CFException()); |
999 |
g = f.thenRun(r = new Noop()); |
1000 |
checkCompletedWithWrappedCFException(g); |
1001 |
assertEquals(0, r.invocationCount); |
1002 |
} |
1003 |
|
1004 |
/** |
1005 |
* thenRun result completes exceptionally if action does |
1006 |
*/ |
1007 |
public void testThenRun3() { |
1008 |
CompletableFuture<Integer> f; |
1009 |
CompletableFuture<Void> g; |
1010 |
FailingNoop r; |
1011 |
|
1012 |
f = new CompletableFuture<>(); |
1013 |
g = f.thenRun(r = new FailingNoop()); |
1014 |
f.complete(null); |
1015 |
checkCompletedWithWrappedCFException(g); |
1016 |
|
1017 |
f = new CompletableFuture<>(); |
1018 |
f.complete(null); |
1019 |
g = f.thenRun(r = new FailingNoop()); |
1020 |
checkCompletedWithWrappedCFException(g); |
1021 |
} |
1022 |
|
1023 |
/** |
1024 |
* thenRun result completes exceptionally if source cancelled |
1025 |
*/ |
1026 |
public void testThenRun4() { |
1027 |
CompletableFuture<Integer> f; |
1028 |
CompletableFuture<Void> g; |
1029 |
Noop r; |
1030 |
|
1031 |
f = new CompletableFuture<>(); |
1032 |
g = f.thenRun(r = new Noop()); |
1033 |
assertTrue(f.cancel(true)); |
1034 |
checkCompletedWithWrappedCancellationException(g); |
1035 |
|
1036 |
f = new CompletableFuture<>(); |
1037 |
assertTrue(f.cancel(true)); |
1038 |
g = f.thenRun(r = new Noop()); |
1039 |
checkCompletedWithWrappedCancellationException(g); |
1040 |
} |
1041 |
|
1042 |
/** |
1043 |
* thenApply result completes normally after normal completion of source |
1044 |
*/ |
1045 |
public void testThenApply() { |
1046 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1047 |
CompletableFuture<Integer> g = f.thenApply(inc); |
1048 |
f.complete(one); |
1049 |
checkCompletedNormally(g, two); |
1050 |
} |
1051 |
|
1052 |
/** |
1053 |
* thenApply result completes exceptionally after exceptional |
1054 |
* completion of source |
1055 |
*/ |
1056 |
public void testThenApply2() { |
1057 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1058 |
CompletableFuture<Integer> g = f.thenApply(inc); |
1059 |
f.completeExceptionally(new CFException()); |
1060 |
checkCompletedWithWrappedCFException(g); |
1061 |
} |
1062 |
|
1063 |
/** |
1064 |
* thenApply result completes exceptionally if action does |
1065 |
*/ |
1066 |
public void testThenApply3() { |
1067 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1068 |
CompletableFuture<Integer> g = f.thenApply(new FailingFunction()); |
1069 |
f.complete(one); |
1070 |
checkCompletedWithWrappedCFException(g); |
1071 |
} |
1072 |
|
1073 |
/** |
1074 |
* thenApply result completes exceptionally if source cancelled |
1075 |
*/ |
1076 |
public void testThenApply4() { |
1077 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1078 |
CompletableFuture<Integer> g = f.thenApply(inc); |
1079 |
assertTrue(f.cancel(true)); |
1080 |
checkCompletedWithWrappedCancellationException(g); |
1081 |
} |
1082 |
|
1083 |
/** |
1084 |
* thenAccept result completes normally after normal completion of source |
1085 |
*/ |
1086 |
public void testThenAccept() { |
1087 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1088 |
IncAction r = new IncAction(); |
1089 |
CompletableFuture<Void> g = f.thenAccept(r); |
1090 |
f.complete(one); |
1091 |
checkCompletedNormally(g, null); |
1092 |
assertEquals(r.value, (Integer) 2); |
1093 |
} |
1094 |
|
1095 |
/** |
1096 |
* thenAccept result completes exceptionally after exceptional |
1097 |
* completion of source |
1098 |
*/ |
1099 |
public void testThenAccept2() { |
1100 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1101 |
IncAction r = new IncAction(); |
1102 |
CompletableFuture<Void> g = f.thenAccept(r); |
1103 |
f.completeExceptionally(new CFException()); |
1104 |
checkCompletedWithWrappedCFException(g); |
1105 |
} |
1106 |
|
1107 |
/** |
1108 |
* thenAccept result completes exceptionally if action does |
1109 |
*/ |
1110 |
public void testThenAccept3() { |
1111 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1112 |
FailingConsumer r = new FailingConsumer(); |
1113 |
CompletableFuture<Void> g = f.thenAccept(r); |
1114 |
f.complete(one); |
1115 |
checkCompletedWithWrappedCFException(g); |
1116 |
assertEquals(1, r.invocationCount); |
1117 |
} |
1118 |
|
1119 |
/** |
1120 |
* thenAccept result completes exceptionally if source cancelled |
1121 |
*/ |
1122 |
public void testThenAccept4() { |
1123 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1124 |
IncAction r = new IncAction(); |
1125 |
CompletableFuture<Void> g = f.thenAccept(r); |
1126 |
assertTrue(f.cancel(true)); |
1127 |
checkCompletedWithWrappedCancellationException(g); |
1128 |
} |
1129 |
|
1130 |
/** |
1131 |
* thenCombine result completes normally after normal completion |
1132 |
* of sources |
1133 |
*/ |
1134 |
public void testThenCombine_normalCompletion1() { |
1135 |
for (boolean createIncomplete : new boolean[] { true, false }) |
1136 |
for (boolean fFirst : new boolean[] { true, false }) |
1137 |
for (ExecutionMode m : ExecutionMode.values()) |
1138 |
for (Integer v1 : new Integer[] { 1, null }) |
1139 |
for (Integer v2 : new Integer[] { 2, null }) { |
1140 |
|
1141 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1142 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1143 |
final SubtractFunction r = new SubtractFunction(); |
1144 |
CompletableFuture<Integer> h = null; |
1145 |
if (createIncomplete) h = m.thenCombine(f, g, r); |
1146 |
|
1147 |
if (fFirst) |
1148 |
f.complete(v1); |
1149 |
else |
1150 |
g.complete(v2); |
1151 |
if (createIncomplete) checkIncomplete(h); |
1152 |
assertEquals(0, r.invocationCount); |
1153 |
if (!fFirst) |
1154 |
f.complete(v1); |
1155 |
else |
1156 |
g.complete(v2); |
1157 |
if (!createIncomplete) h = m.thenCombine(f, g, r); |
1158 |
|
1159 |
checkCompletedNormally(h, subtract(v1, v2)); |
1160 |
checkCompletedNormally(f, v1); |
1161 |
checkCompletedNormally(g, v2); |
1162 |
assertEquals(1, r.invocationCount); |
1163 |
} |
1164 |
} |
1165 |
|
1166 |
/** |
1167 |
* thenCombine result completes exceptionally after exceptional |
1168 |
* completion of either source |
1169 |
*/ |
1170 |
public void testThenCombine_exceptionalCompletion1() { |
1171 |
for (ExecutionMode m : ExecutionMode.values()) |
1172 |
for (Integer v1 : new Integer[] { 1, null }) { |
1173 |
|
1174 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1175 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1176 |
final SubtractFunction r = new SubtractFunction(); |
1177 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1178 |
final CFException ex = new CFException(); |
1179 |
|
1180 |
f.completeExceptionally(ex); |
1181 |
checkIncomplete(h); |
1182 |
g.complete(v1); |
1183 |
|
1184 |
checkCompletedWithWrappedCFException(h, ex); |
1185 |
checkCompletedWithWrappedCFException(f, ex); |
1186 |
assertEquals(0, r.invocationCount); |
1187 |
checkCompletedNormally(g, v1); |
1188 |
} |
1189 |
} |
1190 |
|
1191 |
public void testThenCombine_exceptionalCompletion2() { |
1192 |
for (ExecutionMode m : ExecutionMode.values()) |
1193 |
for (Integer v1 : new Integer[] { 1, null }) { |
1194 |
|
1195 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1196 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1197 |
final SubtractFunction r = new SubtractFunction(); |
1198 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1199 |
final CFException ex = new CFException(); |
1200 |
|
1201 |
g.completeExceptionally(ex); |
1202 |
checkIncomplete(h); |
1203 |
f.complete(v1); |
1204 |
|
1205 |
checkCompletedWithWrappedCFException(h, ex); |
1206 |
checkCompletedWithWrappedCFException(g, ex); |
1207 |
assertEquals(0, r.invocationCount); |
1208 |
checkCompletedNormally(f, v1); |
1209 |
} |
1210 |
} |
1211 |
|
1212 |
public void testThenCombine_exceptionalCompletion3() { |
1213 |
for (ExecutionMode m : ExecutionMode.values()) |
1214 |
for (Integer v1 : new Integer[] { 1, null }) { |
1215 |
|
1216 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1217 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1218 |
final SubtractFunction r = new SubtractFunction(); |
1219 |
final CFException ex = new CFException(); |
1220 |
|
1221 |
g.completeExceptionally(ex); |
1222 |
f.complete(v1); |
1223 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1224 |
|
1225 |
checkCompletedWithWrappedCFException(h, ex); |
1226 |
checkCompletedWithWrappedCFException(g, ex); |
1227 |
assertEquals(0, r.invocationCount); |
1228 |
checkCompletedNormally(f, v1); |
1229 |
} |
1230 |
} |
1231 |
|
1232 |
public void testThenCombine_exceptionalCompletion4() { |
1233 |
for (ExecutionMode m : ExecutionMode.values()) |
1234 |
for (Integer v1 : new Integer[] { 1, null }) { |
1235 |
|
1236 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1237 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1238 |
final SubtractFunction r = new SubtractFunction(); |
1239 |
final CFException ex = new CFException(); |
1240 |
|
1241 |
f.completeExceptionally(ex); |
1242 |
g.complete(v1); |
1243 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1244 |
|
1245 |
checkCompletedWithWrappedCFException(h, ex); |
1246 |
checkCompletedWithWrappedCFException(f, ex); |
1247 |
assertEquals(0, r.invocationCount); |
1248 |
checkCompletedNormally(g, v1); |
1249 |
} |
1250 |
} |
1251 |
|
1252 |
/** |
1253 |
* thenCombine result completes exceptionally if action does |
1254 |
*/ |
1255 |
public void testThenCombine_actionFailed1() { |
1256 |
for (ExecutionMode m : ExecutionMode.values()) |
1257 |
for (Integer v1 : new Integer[] { 1, null }) |
1258 |
for (Integer v2 : new Integer[] { 2, null }) { |
1259 |
|
1260 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1261 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1262 |
final FailingBiFunction r = new FailingBiFunction(); |
1263 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1264 |
|
1265 |
f.complete(v1); |
1266 |
checkIncomplete(h); |
1267 |
g.complete(v2); |
1268 |
|
1269 |
checkCompletedWithWrappedCFException(h); |
1270 |
checkCompletedNormally(f, v1); |
1271 |
checkCompletedNormally(g, v2); |
1272 |
} |
1273 |
} |
1274 |
|
1275 |
public void testThenCombine_actionFailed2() { |
1276 |
for (ExecutionMode m : ExecutionMode.values()) |
1277 |
for (Integer v1 : new Integer[] { 1, null }) |
1278 |
for (Integer v2 : new Integer[] { 2, null }) { |
1279 |
|
1280 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1281 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1282 |
final FailingBiFunction r = new FailingBiFunction(); |
1283 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1284 |
|
1285 |
g.complete(v2); |
1286 |
checkIncomplete(h); |
1287 |
f.complete(v1); |
1288 |
|
1289 |
checkCompletedWithWrappedCFException(h); |
1290 |
checkCompletedNormally(f, v1); |
1291 |
checkCompletedNormally(g, v2); |
1292 |
} |
1293 |
} |
1294 |
|
1295 |
/** |
1296 |
* thenCombine result completes exceptionally if either source cancelled |
1297 |
*/ |
1298 |
public void testThenCombine_sourceCancelled1() { |
1299 |
for (ExecutionMode m : ExecutionMode.values()) |
1300 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1301 |
for (Integer v1 : new Integer[] { 1, null }) { |
1302 |
|
1303 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1304 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1305 |
final SubtractFunction r = new SubtractFunction(); |
1306 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1307 |
|
1308 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1309 |
checkIncomplete(h); |
1310 |
g.complete(v1); |
1311 |
|
1312 |
checkCompletedWithWrappedCancellationException(h); |
1313 |
checkCancelled(f); |
1314 |
assertEquals(0, r.invocationCount); |
1315 |
checkCompletedNormally(g, v1); |
1316 |
} |
1317 |
} |
1318 |
|
1319 |
public void testThenCombine_sourceCancelled2() { |
1320 |
for (ExecutionMode m : ExecutionMode.values()) |
1321 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1322 |
for (Integer v1 : new Integer[] { 1, null }) { |
1323 |
|
1324 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1325 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1326 |
final SubtractFunction r = new SubtractFunction(); |
1327 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1328 |
|
1329 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
1330 |
checkIncomplete(h); |
1331 |
f.complete(v1); |
1332 |
|
1333 |
checkCompletedWithWrappedCancellationException(h); |
1334 |
checkCancelled(g); |
1335 |
assertEquals(0, r.invocationCount); |
1336 |
checkCompletedNormally(f, v1); |
1337 |
} |
1338 |
} |
1339 |
|
1340 |
public void testThenCombine_sourceCancelled3() { |
1341 |
for (ExecutionMode m : ExecutionMode.values()) |
1342 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1343 |
for (Integer v1 : new Integer[] { 1, null }) { |
1344 |
|
1345 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1346 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1347 |
final SubtractFunction r = new SubtractFunction(); |
1348 |
|
1349 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
1350 |
f.complete(v1); |
1351 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1352 |
|
1353 |
checkCompletedWithWrappedCancellationException(h); |
1354 |
checkCancelled(g); |
1355 |
assertEquals(0, r.invocationCount); |
1356 |
checkCompletedNormally(f, v1); |
1357 |
} |
1358 |
} |
1359 |
|
1360 |
public void testThenCombine_sourceCancelled4() { |
1361 |
for (ExecutionMode m : ExecutionMode.values()) |
1362 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1363 |
for (Integer v1 : new Integer[] { 1, null }) { |
1364 |
|
1365 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1366 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1367 |
final SubtractFunction r = new SubtractFunction(); |
1368 |
|
1369 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1370 |
g.complete(v1); |
1371 |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1372 |
|
1373 |
checkCompletedWithWrappedCancellationException(h); |
1374 |
checkCancelled(f); |
1375 |
assertEquals(0, r.invocationCount); |
1376 |
checkCompletedNormally(g, v1); |
1377 |
} |
1378 |
} |
1379 |
|
1380 |
/** |
1381 |
* thenAcceptBoth result completes normally after normal |
1382 |
* completion of sources |
1383 |
*/ |
1384 |
public void testThenAcceptBoth_normalCompletion1() { |
1385 |
for (ExecutionMode m : ExecutionMode.values()) |
1386 |
for (Integer v1 : new Integer[] { 1, null }) |
1387 |
for (Integer v2 : new Integer[] { 2, null }) { |
1388 |
|
1389 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1390 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1391 |
final SubtractAction r = new SubtractAction(); |
1392 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1393 |
|
1394 |
f.complete(v1); |
1395 |
checkIncomplete(h); |
1396 |
assertEquals(0, r.invocationCount); |
1397 |
g.complete(v2); |
1398 |
|
1399 |
checkCompletedNormally(h, null); |
1400 |
assertEquals(subtract(v1, v2), r.value); |
1401 |
checkCompletedNormally(f, v1); |
1402 |
checkCompletedNormally(g, v2); |
1403 |
} |
1404 |
} |
1405 |
|
1406 |
public void testThenAcceptBoth_normalCompletion2() { |
1407 |
for (ExecutionMode m : ExecutionMode.values()) |
1408 |
for (Integer v1 : new Integer[] { 1, null }) |
1409 |
for (Integer v2 : new Integer[] { 2, null }) { |
1410 |
|
1411 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1412 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1413 |
final SubtractAction r = new SubtractAction(); |
1414 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1415 |
|
1416 |
g.complete(v2); |
1417 |
checkIncomplete(h); |
1418 |
assertEquals(0, r.invocationCount); |
1419 |
f.complete(v1); |
1420 |
|
1421 |
checkCompletedNormally(h, null); |
1422 |
assertEquals(subtract(v1, v2), r.value); |
1423 |
checkCompletedNormally(f, v1); |
1424 |
checkCompletedNormally(g, v2); |
1425 |
} |
1426 |
} |
1427 |
|
1428 |
public void testThenAcceptBoth_normalCompletion3() { |
1429 |
for (ExecutionMode m : ExecutionMode.values()) |
1430 |
for (Integer v1 : new Integer[] { 1, null }) |
1431 |
for (Integer v2 : new Integer[] { 2, null }) { |
1432 |
|
1433 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1434 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1435 |
final SubtractAction r = new SubtractAction(); |
1436 |
|
1437 |
g.complete(v2); |
1438 |
f.complete(v1); |
1439 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1440 |
|
1441 |
checkCompletedNormally(h, null); |
1442 |
assertEquals(subtract(v1, v2), r.value); |
1443 |
checkCompletedNormally(f, v1); |
1444 |
checkCompletedNormally(g, v2); |
1445 |
} |
1446 |
} |
1447 |
|
1448 |
public void testThenAcceptBoth_normalCompletion4() { |
1449 |
for (ExecutionMode m : ExecutionMode.values()) |
1450 |
for (Integer v1 : new Integer[] { 1, null }) |
1451 |
for (Integer v2 : new Integer[] { 2, null }) { |
1452 |
|
1453 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1454 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1455 |
final SubtractAction r = new SubtractAction(); |
1456 |
|
1457 |
f.complete(v1); |
1458 |
g.complete(v2); |
1459 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1460 |
|
1461 |
checkCompletedNormally(h, null); |
1462 |
assertEquals(subtract(v1, v2), r.value); |
1463 |
checkCompletedNormally(f, v1); |
1464 |
checkCompletedNormally(g, v2); |
1465 |
} |
1466 |
} |
1467 |
|
1468 |
/** |
1469 |
* thenAcceptBoth result completes exceptionally after exceptional |
1470 |
* completion of either source |
1471 |
*/ |
1472 |
public void testThenAcceptBoth_exceptionalCompletion1() { |
1473 |
for (ExecutionMode m : ExecutionMode.values()) |
1474 |
for (Integer v1 : new Integer[] { 1, null }) { |
1475 |
|
1476 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1477 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1478 |
final SubtractAction r = new SubtractAction(); |
1479 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1480 |
final CFException ex = new CFException(); |
1481 |
|
1482 |
f.completeExceptionally(ex); |
1483 |
checkIncomplete(h); |
1484 |
g.complete(v1); |
1485 |
|
1486 |
checkCompletedWithWrappedCFException(h, ex); |
1487 |
checkCompletedWithWrappedCFException(f, ex); |
1488 |
assertEquals(0, r.invocationCount); |
1489 |
checkCompletedNormally(g, v1); |
1490 |
} |
1491 |
} |
1492 |
|
1493 |
public void testThenAcceptBoth_exceptionalCompletion2() { |
1494 |
for (ExecutionMode m : ExecutionMode.values()) |
1495 |
for (Integer v1 : new Integer[] { 1, null }) { |
1496 |
|
1497 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1498 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1499 |
final SubtractAction r = new SubtractAction(); |
1500 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1501 |
final CFException ex = new CFException(); |
1502 |
|
1503 |
g.completeExceptionally(ex); |
1504 |
checkIncomplete(h); |
1505 |
f.complete(v1); |
1506 |
|
1507 |
checkCompletedWithWrappedCFException(h, ex); |
1508 |
checkCompletedWithWrappedCFException(g, ex); |
1509 |
assertEquals(0, r.invocationCount); |
1510 |
checkCompletedNormally(f, v1); |
1511 |
} |
1512 |
} |
1513 |
|
1514 |
public void testThenAcceptBoth_exceptionalCompletion3() { |
1515 |
for (ExecutionMode m : ExecutionMode.values()) |
1516 |
for (Integer v1 : new Integer[] { 1, null }) { |
1517 |
|
1518 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1519 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1520 |
final SubtractAction r = new SubtractAction(); |
1521 |
final CFException ex = new CFException(); |
1522 |
|
1523 |
g.completeExceptionally(ex); |
1524 |
f.complete(v1); |
1525 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1526 |
|
1527 |
checkCompletedWithWrappedCFException(h, ex); |
1528 |
checkCompletedWithWrappedCFException(g, ex); |
1529 |
assertEquals(0, r.invocationCount); |
1530 |
checkCompletedNormally(f, v1); |
1531 |
} |
1532 |
} |
1533 |
|
1534 |
public void testThenAcceptBoth_exceptionalCompletion4() { |
1535 |
for (ExecutionMode m : ExecutionMode.values()) |
1536 |
for (Integer v1 : new Integer[] { 1, null }) { |
1537 |
|
1538 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1539 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1540 |
final SubtractAction r = new SubtractAction(); |
1541 |
final CFException ex = new CFException(); |
1542 |
|
1543 |
f.completeExceptionally(ex); |
1544 |
g.complete(v1); |
1545 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1546 |
|
1547 |
checkCompletedWithWrappedCFException(h, ex); |
1548 |
checkCompletedWithWrappedCFException(f, ex); |
1549 |
assertEquals(0, r.invocationCount); |
1550 |
checkCompletedNormally(g, v1); |
1551 |
} |
1552 |
} |
1553 |
|
1554 |
/** |
1555 |
* thenAcceptBoth result completes exceptionally if action does |
1556 |
*/ |
1557 |
public void testThenAcceptBoth_actionFailed1() { |
1558 |
for (ExecutionMode m : ExecutionMode.values()) |
1559 |
for (Integer v1 : new Integer[] { 1, null }) |
1560 |
for (Integer v2 : new Integer[] { 2, null }) { |
1561 |
|
1562 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1563 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1564 |
final FailingBiConsumer r = new FailingBiConsumer(); |
1565 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1566 |
|
1567 |
f.complete(v1); |
1568 |
checkIncomplete(h); |
1569 |
g.complete(v2); |
1570 |
|
1571 |
checkCompletedWithWrappedCFException(h); |
1572 |
checkCompletedNormally(f, v1); |
1573 |
checkCompletedNormally(g, v2); |
1574 |
} |
1575 |
} |
1576 |
|
1577 |
public void testThenAcceptBoth_actionFailed2() { |
1578 |
for (ExecutionMode m : ExecutionMode.values()) |
1579 |
for (Integer v1 : new Integer[] { 1, null }) |
1580 |
for (Integer v2 : new Integer[] { 2, null }) { |
1581 |
|
1582 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1583 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1584 |
final FailingBiConsumer r = new FailingBiConsumer(); |
1585 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1586 |
|
1587 |
g.complete(v2); |
1588 |
checkIncomplete(h); |
1589 |
f.complete(v1); |
1590 |
|
1591 |
checkCompletedWithWrappedCFException(h); |
1592 |
checkCompletedNormally(f, v1); |
1593 |
checkCompletedNormally(g, v2); |
1594 |
} |
1595 |
} |
1596 |
|
1597 |
/** |
1598 |
* thenAcceptBoth result completes exceptionally if either source cancelled |
1599 |
*/ |
1600 |
public void testThenAcceptBoth_sourceCancelled1() { |
1601 |
for (ExecutionMode m : ExecutionMode.values()) |
1602 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1603 |
for (Integer v1 : new Integer[] { 1, null }) { |
1604 |
|
1605 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1606 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1607 |
final SubtractAction r = new SubtractAction(); |
1608 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1609 |
|
1610 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1611 |
checkIncomplete(h); |
1612 |
g.complete(v1); |
1613 |
|
1614 |
checkCompletedWithWrappedCancellationException(h); |
1615 |
checkCancelled(f); |
1616 |
assertEquals(0, r.invocationCount); |
1617 |
checkCompletedNormally(g, v1); |
1618 |
} |
1619 |
} |
1620 |
|
1621 |
public void testThenAcceptBoth_sourceCancelled2() { |
1622 |
for (ExecutionMode m : ExecutionMode.values()) |
1623 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1624 |
for (Integer v1 : new Integer[] { 1, null }) { |
1625 |
|
1626 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1627 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1628 |
final SubtractAction r = new SubtractAction(); |
1629 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1630 |
|
1631 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
1632 |
checkIncomplete(h); |
1633 |
f.complete(v1); |
1634 |
|
1635 |
checkCompletedWithWrappedCancellationException(h); |
1636 |
checkCancelled(g); |
1637 |
assertEquals(0, r.invocationCount); |
1638 |
checkCompletedNormally(f, v1); |
1639 |
} |
1640 |
} |
1641 |
|
1642 |
public void testThenAcceptBoth_sourceCancelled3() { |
1643 |
for (ExecutionMode m : ExecutionMode.values()) |
1644 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1645 |
for (Integer v1 : new Integer[] { 1, null }) { |
1646 |
|
1647 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1648 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1649 |
final SubtractAction r = new SubtractAction(); |
1650 |
|
1651 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
1652 |
f.complete(v1); |
1653 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1654 |
|
1655 |
checkCompletedWithWrappedCancellationException(h); |
1656 |
checkCancelled(g); |
1657 |
assertEquals(0, r.invocationCount); |
1658 |
checkCompletedNormally(f, v1); |
1659 |
} |
1660 |
} |
1661 |
|
1662 |
public void testThenAcceptBoth_sourceCancelled4() { |
1663 |
for (ExecutionMode m : ExecutionMode.values()) |
1664 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1665 |
for (Integer v1 : new Integer[] { 1, null }) { |
1666 |
|
1667 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1668 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1669 |
final SubtractAction r = new SubtractAction(); |
1670 |
|
1671 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1672 |
g.complete(v1); |
1673 |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1674 |
|
1675 |
checkCompletedWithWrappedCancellationException(h); |
1676 |
checkCancelled(f); |
1677 |
assertEquals(0, r.invocationCount); |
1678 |
checkCompletedNormally(g, v1); |
1679 |
} |
1680 |
} |
1681 |
|
1682 |
/** |
1683 |
* runAfterBoth result completes normally after normal |
1684 |
* completion of sources |
1685 |
*/ |
1686 |
public void testRunAfterBoth_normalCompletion1() { |
1687 |
for (ExecutionMode m : ExecutionMode.values()) |
1688 |
for (Integer v1 : new Integer[] { 1, null }) |
1689 |
for (Integer v2 : new Integer[] { 2, null }) { |
1690 |
|
1691 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1692 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1693 |
final Noop r = new Noop(); |
1694 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1695 |
|
1696 |
f.complete(v1); |
1697 |
checkIncomplete(h); |
1698 |
assertEquals(0, r.invocationCount); |
1699 |
g.complete(v2); |
1700 |
|
1701 |
checkCompletedNormally(h, null); |
1702 |
assertEquals(1, r.invocationCount); |
1703 |
checkCompletedNormally(f, v1); |
1704 |
checkCompletedNormally(g, v2); |
1705 |
} |
1706 |
} |
1707 |
|
1708 |
public void testRunAfterBoth_normalCompletion2() { |
1709 |
for (ExecutionMode m : ExecutionMode.values()) |
1710 |
for (Integer v1 : new Integer[] { 1, null }) |
1711 |
for (Integer v2 : new Integer[] { 2, null }) { |
1712 |
|
1713 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1714 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1715 |
final Noop r = new Noop(); |
1716 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1717 |
|
1718 |
g.complete(v2); |
1719 |
checkIncomplete(h); |
1720 |
assertEquals(0, r.invocationCount); |
1721 |
f.complete(v1); |
1722 |
|
1723 |
checkCompletedNormally(h, null); |
1724 |
assertEquals(1, r.invocationCount); |
1725 |
checkCompletedNormally(f, v1); |
1726 |
checkCompletedNormally(g, v2); |
1727 |
} |
1728 |
} |
1729 |
|
1730 |
public void testRunAfterBoth_normalCompletion3() { |
1731 |
for (ExecutionMode m : ExecutionMode.values()) |
1732 |
for (Integer v1 : new Integer[] { 1, null }) |
1733 |
for (Integer v2 : new Integer[] { 2, null }) { |
1734 |
|
1735 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1736 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1737 |
final Noop r = new Noop(); |
1738 |
|
1739 |
g.complete(v2); |
1740 |
f.complete(v1); |
1741 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1742 |
|
1743 |
checkCompletedNormally(h, null); |
1744 |
assertEquals(1, r.invocationCount); |
1745 |
checkCompletedNormally(f, v1); |
1746 |
checkCompletedNormally(g, v2); |
1747 |
} |
1748 |
} |
1749 |
|
1750 |
public void testRunAfterBoth_normalCompletion4() { |
1751 |
for (ExecutionMode m : ExecutionMode.values()) |
1752 |
for (Integer v1 : new Integer[] { 1, null }) |
1753 |
for (Integer v2 : new Integer[] { 2, null }) { |
1754 |
|
1755 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1756 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1757 |
final Noop r = new Noop(); |
1758 |
|
1759 |
f.complete(v1); |
1760 |
g.complete(v2); |
1761 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1762 |
|
1763 |
checkCompletedNormally(h, null); |
1764 |
assertEquals(1, r.invocationCount); |
1765 |
checkCompletedNormally(f, v1); |
1766 |
checkCompletedNormally(g, v2); |
1767 |
} |
1768 |
} |
1769 |
|
1770 |
/** |
1771 |
* runAfterBoth result completes exceptionally after exceptional |
1772 |
* completion of either source |
1773 |
*/ |
1774 |
public void testRunAfterBoth_exceptionalCompletion1() { |
1775 |
for (ExecutionMode m : ExecutionMode.values()) |
1776 |
for (Integer v1 : new Integer[] { 1, null }) { |
1777 |
|
1778 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1779 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1780 |
final Noop r = new Noop(); |
1781 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1782 |
final CFException ex = new CFException(); |
1783 |
|
1784 |
f.completeExceptionally(ex); |
1785 |
checkIncomplete(h); |
1786 |
g.complete(v1); |
1787 |
|
1788 |
checkCompletedWithWrappedCFException(h, ex); |
1789 |
checkCompletedWithWrappedCFException(f, ex); |
1790 |
assertEquals(0, r.invocationCount); |
1791 |
checkCompletedNormally(g, v1); |
1792 |
} |
1793 |
} |
1794 |
|
1795 |
public void testRunAfterBoth_exceptionalCompletion2() { |
1796 |
for (ExecutionMode m : ExecutionMode.values()) |
1797 |
for (Integer v1 : new Integer[] { 1, null }) { |
1798 |
|
1799 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1800 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1801 |
final Noop r = new Noop(); |
1802 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1803 |
final CFException ex = new CFException(); |
1804 |
|
1805 |
g.completeExceptionally(ex); |
1806 |
checkIncomplete(h); |
1807 |
f.complete(v1); |
1808 |
|
1809 |
checkCompletedWithWrappedCFException(h, ex); |
1810 |
checkCompletedWithWrappedCFException(g, ex); |
1811 |
assertEquals(0, r.invocationCount); |
1812 |
checkCompletedNormally(f, v1); |
1813 |
} |
1814 |
} |
1815 |
|
1816 |
public void testRunAfterBoth_exceptionalCompletion3() { |
1817 |
for (ExecutionMode m : ExecutionMode.values()) |
1818 |
for (Integer v1 : new Integer[] { 1, null }) { |
1819 |
|
1820 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1821 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1822 |
final Noop r = new Noop(); |
1823 |
final CFException ex = new CFException(); |
1824 |
|
1825 |
g.completeExceptionally(ex); |
1826 |
f.complete(v1); |
1827 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1828 |
|
1829 |
checkCompletedWithWrappedCFException(h, ex); |
1830 |
checkCompletedWithWrappedCFException(g, ex); |
1831 |
assertEquals(0, r.invocationCount); |
1832 |
checkCompletedNormally(f, v1); |
1833 |
} |
1834 |
} |
1835 |
|
1836 |
public void testRunAfterBoth_exceptionalCompletion4() { |
1837 |
for (ExecutionMode m : ExecutionMode.values()) |
1838 |
for (Integer v1 : new Integer[] { 1, null }) { |
1839 |
|
1840 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1841 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1842 |
final Noop r = new Noop(); |
1843 |
final CFException ex = new CFException(); |
1844 |
|
1845 |
f.completeExceptionally(ex); |
1846 |
g.complete(v1); |
1847 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1848 |
|
1849 |
checkCompletedWithWrappedCFException(h, ex); |
1850 |
checkCompletedWithWrappedCFException(f, ex); |
1851 |
assertEquals(0, r.invocationCount); |
1852 |
checkCompletedNormally(g, v1); |
1853 |
} |
1854 |
} |
1855 |
|
1856 |
/** |
1857 |
* runAfterBoth result completes exceptionally if action does |
1858 |
*/ |
1859 |
public void testRunAfterBoth_actionFailed1() { |
1860 |
for (ExecutionMode m : ExecutionMode.values()) |
1861 |
for (Integer v1 : new Integer[] { 1, null }) |
1862 |
for (Integer v2 : new Integer[] { 2, null }) { |
1863 |
|
1864 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1865 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1866 |
final FailingNoop r = new FailingNoop(); |
1867 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1868 |
|
1869 |
f.complete(v1); |
1870 |
checkIncomplete(h); |
1871 |
g.complete(v2); |
1872 |
|
1873 |
checkCompletedWithWrappedCFException(h); |
1874 |
checkCompletedNormally(f, v1); |
1875 |
checkCompletedNormally(g, v2); |
1876 |
} |
1877 |
} |
1878 |
|
1879 |
public void testRunAfterBoth_actionFailed2() { |
1880 |
for (ExecutionMode m : ExecutionMode.values()) |
1881 |
for (Integer v1 : new Integer[] { 1, null }) |
1882 |
for (Integer v2 : new Integer[] { 2, null }) { |
1883 |
|
1884 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1885 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1886 |
final FailingNoop r = new FailingNoop(); |
1887 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1888 |
|
1889 |
g.complete(v2); |
1890 |
checkIncomplete(h); |
1891 |
f.complete(v1); |
1892 |
|
1893 |
checkCompletedWithWrappedCFException(h); |
1894 |
checkCompletedNormally(f, v1); |
1895 |
checkCompletedNormally(g, v2); |
1896 |
} |
1897 |
} |
1898 |
|
1899 |
/** |
1900 |
* runAfterBoth result completes exceptionally if either source cancelled |
1901 |
*/ |
1902 |
public void testRunAfterBoth_sourceCancelled1() { |
1903 |
for (ExecutionMode m : ExecutionMode.values()) |
1904 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1905 |
for (Integer v1 : new Integer[] { 1, null }) { |
1906 |
|
1907 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1908 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1909 |
final Noop r = new Noop(); |
1910 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1911 |
|
1912 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1913 |
checkIncomplete(h); |
1914 |
g.complete(v1); |
1915 |
|
1916 |
checkCompletedWithWrappedCancellationException(h); |
1917 |
checkCancelled(f); |
1918 |
assertEquals(0, r.invocationCount); |
1919 |
checkCompletedNormally(g, v1); |
1920 |
} |
1921 |
} |
1922 |
|
1923 |
public void testRunAfterBoth_sourceCancelled2() { |
1924 |
for (ExecutionMode m : ExecutionMode.values()) |
1925 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1926 |
for (Integer v1 : new Integer[] { 1, null }) { |
1927 |
|
1928 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1929 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1930 |
final Noop r = new Noop(); |
1931 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1932 |
|
1933 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
1934 |
checkIncomplete(h); |
1935 |
f.complete(v1); |
1936 |
|
1937 |
checkCompletedWithWrappedCancellationException(h); |
1938 |
checkCancelled(g); |
1939 |
assertEquals(0, r.invocationCount); |
1940 |
checkCompletedNormally(f, v1); |
1941 |
} |
1942 |
} |
1943 |
|
1944 |
public void testRunAfterBoth_sourceCancelled3() { |
1945 |
for (ExecutionMode m : ExecutionMode.values()) |
1946 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1947 |
for (Integer v1 : new Integer[] { 1, null }) { |
1948 |
|
1949 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1950 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1951 |
final Noop r = new Noop(); |
1952 |
|
1953 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
1954 |
f.complete(v1); |
1955 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1956 |
|
1957 |
checkCompletedWithWrappedCancellationException(h); |
1958 |
checkCancelled(g); |
1959 |
assertEquals(0, r.invocationCount); |
1960 |
checkCompletedNormally(f, v1); |
1961 |
} |
1962 |
} |
1963 |
|
1964 |
public void testRunAfterBoth_sourceCancelled4() { |
1965 |
for (ExecutionMode m : ExecutionMode.values()) |
1966 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1967 |
for (Integer v1 : new Integer[] { 1, null }) { |
1968 |
|
1969 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1970 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1971 |
final Noop r = new Noop(); |
1972 |
|
1973 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1974 |
g.complete(v1); |
1975 |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1976 |
|
1977 |
checkCompletedWithWrappedCancellationException(h); |
1978 |
checkCancelled(f); |
1979 |
assertEquals(0, r.invocationCount); |
1980 |
checkCompletedNormally(g, v1); |
1981 |
} |
1982 |
} |
1983 |
|
1984 |
/** |
1985 |
* applyToEither result completes normally after normal completion |
1986 |
* of either source |
1987 |
*/ |
1988 |
public void testApplyToEither_normalCompletion1() { |
1989 |
for (ExecutionMode m : ExecutionMode.values()) |
1990 |
for (Integer v1 : new Integer[] { 1, null }) |
1991 |
for (Integer v2 : new Integer[] { 2, null }) { |
1992 |
|
1993 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1994 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1995 |
final IncFunction r = new IncFunction(); |
1996 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
1997 |
|
1998 |
f.complete(v1); |
1999 |
checkCompletedNormally(h, inc(v1)); |
2000 |
g.complete(v2); |
2001 |
|
2002 |
checkCompletedNormally(f, v1); |
2003 |
checkCompletedNormally(g, v2); |
2004 |
checkCompletedNormally(h, inc(v1)); |
2005 |
} |
2006 |
} |
2007 |
|
2008 |
public void testApplyToEither_normalCompletion2() { |
2009 |
for (ExecutionMode m : ExecutionMode.values()) |
2010 |
for (Integer v1 : new Integer[] { 1, null }) |
2011 |
for (Integer v2 : new Integer[] { 2, null }) { |
2012 |
|
2013 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2014 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2015 |
final IncFunction r = new IncFunction(); |
2016 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2017 |
|
2018 |
g.complete(v2); |
2019 |
checkCompletedNormally(h, inc(v2)); |
2020 |
f.complete(v1); |
2021 |
|
2022 |
checkCompletedNormally(f, v1); |
2023 |
checkCompletedNormally(g, v2); |
2024 |
checkCompletedNormally(h, inc(v2)); |
2025 |
} |
2026 |
} |
2027 |
public void testApplyToEither_normalCompletion3() { |
2028 |
for (ExecutionMode m : ExecutionMode.values()) |
2029 |
for (Integer v1 : new Integer[] { 1, null }) |
2030 |
for (Integer v2 : new Integer[] { 2, null }) { |
2031 |
|
2032 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2033 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2034 |
final IncFunction r = new IncFunction(); |
2035 |
|
2036 |
f.complete(v1); |
2037 |
g.complete(v2); |
2038 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2039 |
|
2040 |
checkCompletedNormally(f, v1); |
2041 |
checkCompletedNormally(g, v2); |
2042 |
|
2043 |
// unspecified behavior |
2044 |
assertTrue(Objects.equals(h.join(), inc(v1)) || |
2045 |
Objects.equals(h.join(), inc(v2))); |
2046 |
assertEquals(1, r.invocationCount); |
2047 |
} |
2048 |
} |
2049 |
|
2050 |
/** |
2051 |
* applyToEither result completes exceptionally after exceptional |
2052 |
* completion of either source |
2053 |
*/ |
2054 |
public void testApplyToEither_exceptionalCompletion1() { |
2055 |
for (ExecutionMode m : ExecutionMode.values()) |
2056 |
for (Integer v1 : new Integer[] { 1, null }) { |
2057 |
|
2058 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2059 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2060 |
final IncFunction r = new IncFunction(); |
2061 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2062 |
final CFException ex = new CFException(); |
2063 |
|
2064 |
f.completeExceptionally(ex); |
2065 |
checkCompletedWithWrappedCFException(h, ex); |
2066 |
g.complete(v1); |
2067 |
|
2068 |
assertEquals(0, r.invocationCount); |
2069 |
checkCompletedNormally(g, v1); |
2070 |
checkCompletedWithWrappedCFException(f, ex); |
2071 |
checkCompletedWithWrappedCFException(h, ex); |
2072 |
} |
2073 |
} |
2074 |
|
2075 |
public void testApplyToEither_exceptionalCompletion2() { |
2076 |
for (ExecutionMode m : ExecutionMode.values()) |
2077 |
for (Integer v1 : new Integer[] { 1, null }) { |
2078 |
|
2079 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2080 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2081 |
final IncFunction r = new IncFunction(); |
2082 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2083 |
final CFException ex = new CFException(); |
2084 |
|
2085 |
g.completeExceptionally(ex); |
2086 |
checkCompletedWithWrappedCFException(h, ex); |
2087 |
f.complete(v1); |
2088 |
|
2089 |
assertEquals(0, r.invocationCount); |
2090 |
checkCompletedNormally(f, v1); |
2091 |
checkCompletedWithWrappedCFException(g, ex); |
2092 |
checkCompletedWithWrappedCFException(h, ex); |
2093 |
} |
2094 |
} |
2095 |
|
2096 |
public void testApplyToEither_exceptionalCompletion3() { |
2097 |
for (ExecutionMode m : ExecutionMode.values()) |
2098 |
for (Integer v1 : new Integer[] { 1, null }) { |
2099 |
|
2100 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2101 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2102 |
final IncFunction r = new IncFunction(); |
2103 |
final CFException ex = new CFException(); |
2104 |
|
2105 |
g.completeExceptionally(ex); |
2106 |
f.complete(v1); |
2107 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2108 |
|
2109 |
// unspecified behavior |
2110 |
Integer v; |
2111 |
try { |
2112 |
assertEquals(inc(v1), h.join()); |
2113 |
assertEquals(1, r.invocationCount); |
2114 |
} catch (CompletionException ok) { |
2115 |
checkCompletedWithWrappedCFException(h, ex); |
2116 |
assertEquals(0, r.invocationCount); |
2117 |
} |
2118 |
|
2119 |
checkCompletedWithWrappedCFException(g, ex); |
2120 |
checkCompletedNormally(f, v1); |
2121 |
} |
2122 |
} |
2123 |
|
2124 |
public void testApplyToEither_exceptionalCompletion4() { |
2125 |
for (ExecutionMode m : ExecutionMode.values()) |
2126 |
for (Integer v1 : new Integer[] { 1, null }) { |
2127 |
|
2128 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2129 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2130 |
final IncFunction r = new IncFunction(); |
2131 |
final CFException ex = new CFException(); |
2132 |
|
2133 |
f.completeExceptionally(ex); |
2134 |
g.complete(v1); |
2135 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2136 |
|
2137 |
// unspecified behavior |
2138 |
Integer v; |
2139 |
try { |
2140 |
assertEquals(inc(v1), h.join()); |
2141 |
assertEquals(1, r.invocationCount); |
2142 |
} catch (CompletionException ok) { |
2143 |
checkCompletedWithWrappedCFException(h, ex); |
2144 |
assertEquals(0, r.invocationCount); |
2145 |
} |
2146 |
|
2147 |
checkCompletedWithWrappedCFException(f, ex); |
2148 |
checkCompletedNormally(g, v1); |
2149 |
} |
2150 |
} |
2151 |
|
2152 |
/** |
2153 |
* applyToEither result completes exceptionally if action does |
2154 |
*/ |
2155 |
public void testApplyToEither_actionFailed1() { |
2156 |
for (ExecutionMode m : ExecutionMode.values()) |
2157 |
for (Integer v1 : new Integer[] { 1, null }) |
2158 |
for (Integer v2 : new Integer[] { 2, null }) { |
2159 |
|
2160 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2161 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2162 |
final FailingFunction r = new FailingFunction(); |
2163 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2164 |
|
2165 |
f.complete(v1); |
2166 |
checkCompletedWithWrappedCFException(h); |
2167 |
g.complete(v2); |
2168 |
checkCompletedNormally(f, v1); |
2169 |
checkCompletedNormally(g, v2); |
2170 |
} |
2171 |
} |
2172 |
|
2173 |
public void testApplyToEither_actionFailed2() { |
2174 |
for (ExecutionMode m : ExecutionMode.values()) |
2175 |
for (Integer v1 : new Integer[] { 1, null }) |
2176 |
for (Integer v2 : new Integer[] { 2, null }) { |
2177 |
|
2178 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2179 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2180 |
final FailingFunction r = new FailingFunction(); |
2181 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2182 |
|
2183 |
g.complete(v2); |
2184 |
checkCompletedWithWrappedCFException(h); |
2185 |
f.complete(v1); |
2186 |
checkCompletedNormally(f, v1); |
2187 |
checkCompletedNormally(g, v2); |
2188 |
} |
2189 |
} |
2190 |
|
2191 |
/** |
2192 |
* applyToEither result completes exceptionally if either source cancelled |
2193 |
*/ |
2194 |
public void testApplyToEither_sourceCancelled1() { |
2195 |
for (ExecutionMode m : ExecutionMode.values()) |
2196 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2197 |
for (Integer v1 : new Integer[] { 1, null }) { |
2198 |
|
2199 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2200 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2201 |
final IncFunction r = new IncFunction(); |
2202 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2203 |
|
2204 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2205 |
checkCompletedWithWrappedCancellationException(h); |
2206 |
g.complete(v1); |
2207 |
|
2208 |
checkCancelled(f); |
2209 |
assertEquals(0, r.invocationCount); |
2210 |
checkCompletedNormally(g, v1); |
2211 |
checkCompletedWithWrappedCancellationException(h); |
2212 |
} |
2213 |
} |
2214 |
|
2215 |
public void testApplyToEither_sourceCancelled2() { |
2216 |
for (ExecutionMode m : ExecutionMode.values()) |
2217 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2218 |
for (Integer v1 : new Integer[] { 1, null }) { |
2219 |
|
2220 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2221 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2222 |
final IncFunction r = new IncFunction(); |
2223 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2224 |
|
2225 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2226 |
checkCompletedWithWrappedCancellationException(h); |
2227 |
f.complete(v1); |
2228 |
|
2229 |
checkCancelled(g); |
2230 |
assertEquals(0, r.invocationCount); |
2231 |
checkCompletedNormally(f, v1); |
2232 |
checkCompletedWithWrappedCancellationException(h); |
2233 |
} |
2234 |
} |
2235 |
|
2236 |
public void testApplyToEither_sourceCancelled3() { |
2237 |
for (ExecutionMode m : ExecutionMode.values()) |
2238 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2239 |
for (Integer v1 : new Integer[] { 1, null }) { |
2240 |
|
2241 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2242 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2243 |
final IncFunction r = new IncFunction(); |
2244 |
|
2245 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2246 |
f.complete(v1); |
2247 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2248 |
|
2249 |
// unspecified behavior |
2250 |
Integer v; |
2251 |
try { |
2252 |
assertEquals(inc(v1), h.join()); |
2253 |
assertEquals(1, r.invocationCount); |
2254 |
} catch (CompletionException ok) { |
2255 |
checkCompletedWithWrappedCancellationException(h); |
2256 |
assertEquals(0, r.invocationCount); |
2257 |
} |
2258 |
|
2259 |
checkCancelled(g); |
2260 |
checkCompletedNormally(f, v1); |
2261 |
} |
2262 |
} |
2263 |
|
2264 |
public void testApplyToEither_sourceCancelled4() { |
2265 |
for (ExecutionMode m : ExecutionMode.values()) |
2266 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2267 |
for (Integer v1 : new Integer[] { 1, null }) { |
2268 |
|
2269 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2270 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2271 |
final IncFunction r = new IncFunction(); |
2272 |
|
2273 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2274 |
g.complete(v1); |
2275 |
final CompletableFuture<Integer> h = m.applyToEither(f, g, r); |
2276 |
|
2277 |
// unspecified behavior |
2278 |
Integer v; |
2279 |
try { |
2280 |
assertEquals(inc(v1), h.join()); |
2281 |
assertEquals(1, r.invocationCount); |
2282 |
} catch (CompletionException ok) { |
2283 |
checkCompletedWithWrappedCancellationException(h); |
2284 |
assertEquals(0, r.invocationCount); |
2285 |
} |
2286 |
|
2287 |
checkCancelled(f); |
2288 |
checkCompletedNormally(g, v1); |
2289 |
} |
2290 |
} |
2291 |
|
2292 |
/** |
2293 |
* acceptEither result completes normally after normal completion |
2294 |
* of either source |
2295 |
*/ |
2296 |
public void testAcceptEither_normalCompletion1() { |
2297 |
for (ExecutionMode m : ExecutionMode.values()) |
2298 |
for (Integer v1 : new Integer[] { 1, null }) |
2299 |
for (Integer v2 : new Integer[] { 2, null }) { |
2300 |
|
2301 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2302 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2303 |
final IncAction r = new IncAction(); |
2304 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2305 |
|
2306 |
f.complete(v1); |
2307 |
checkCompletedNormally(h, null); |
2308 |
assertEquals(inc(v1), r.value); |
2309 |
g.complete(v2); |
2310 |
|
2311 |
checkCompletedNormally(f, v1); |
2312 |
checkCompletedNormally(g, v2); |
2313 |
checkCompletedNormally(h, null); |
2314 |
} |
2315 |
} |
2316 |
|
2317 |
public void testAcceptEither_normalCompletion2() { |
2318 |
for (ExecutionMode m : ExecutionMode.values()) |
2319 |
for (Integer v1 : new Integer[] { 1, null }) |
2320 |
for (Integer v2 : new Integer[] { 2, null }) { |
2321 |
|
2322 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2323 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2324 |
final IncAction r = new IncAction(); |
2325 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2326 |
|
2327 |
g.complete(v2); |
2328 |
checkCompletedNormally(h, null); |
2329 |
assertEquals(inc(v2), r.value); |
2330 |
f.complete(v1); |
2331 |
|
2332 |
checkCompletedNormally(f, v1); |
2333 |
checkCompletedNormally(g, v2); |
2334 |
checkCompletedNormally(h, null); |
2335 |
} |
2336 |
} |
2337 |
public void testAcceptEither_normalCompletion3() { |
2338 |
for (ExecutionMode m : ExecutionMode.values()) |
2339 |
for (Integer v1 : new Integer[] { 1, null }) |
2340 |
for (Integer v2 : new Integer[] { 2, null }) { |
2341 |
|
2342 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2343 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2344 |
final IncAction r = new IncAction(); |
2345 |
|
2346 |
f.complete(v1); |
2347 |
g.complete(v2); |
2348 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2349 |
|
2350 |
checkCompletedNormally(h, null); |
2351 |
checkCompletedNormally(f, v1); |
2352 |
checkCompletedNormally(g, v2); |
2353 |
|
2354 |
// unspecified behavior |
2355 |
assertTrue(Objects.equals(r.value, inc(v1)) || |
2356 |
Objects.equals(r.value, inc(v2))); |
2357 |
} |
2358 |
} |
2359 |
|
2360 |
/** |
2361 |
* acceptEither result completes exceptionally after exceptional |
2362 |
* completion of either source |
2363 |
*/ |
2364 |
public void testAcceptEither_exceptionalCompletion1() { |
2365 |
for (ExecutionMode m : ExecutionMode.values()) |
2366 |
for (Integer v1 : new Integer[] { 1, null }) { |
2367 |
|
2368 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2369 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2370 |
final IncAction r = new IncAction(); |
2371 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2372 |
final CFException ex = new CFException(); |
2373 |
|
2374 |
f.completeExceptionally(ex); |
2375 |
checkCompletedWithWrappedCFException(h, ex); |
2376 |
g.complete(v1); |
2377 |
|
2378 |
assertEquals(0, r.invocationCount); |
2379 |
checkCompletedNormally(g, v1); |
2380 |
checkCompletedWithWrappedCFException(f, ex); |
2381 |
checkCompletedWithWrappedCFException(h, ex); |
2382 |
} |
2383 |
} |
2384 |
|
2385 |
public void testAcceptEither_exceptionalCompletion2() { |
2386 |
for (ExecutionMode m : ExecutionMode.values()) |
2387 |
for (Integer v1 : new Integer[] { 1, null }) { |
2388 |
|
2389 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2390 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2391 |
final IncAction r = new IncAction(); |
2392 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2393 |
final CFException ex = new CFException(); |
2394 |
|
2395 |
g.completeExceptionally(ex); |
2396 |
checkCompletedWithWrappedCFException(h, ex); |
2397 |
f.complete(v1); |
2398 |
|
2399 |
assertEquals(0, r.invocationCount); |
2400 |
checkCompletedNormally(f, v1); |
2401 |
checkCompletedWithWrappedCFException(g, ex); |
2402 |
checkCompletedWithWrappedCFException(h, ex); |
2403 |
} |
2404 |
} |
2405 |
|
2406 |
public void testAcceptEither_exceptionalCompletion3() { |
2407 |
for (ExecutionMode m : ExecutionMode.values()) |
2408 |
for (Integer v1 : new Integer[] { 1, null }) { |
2409 |
|
2410 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2411 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2412 |
final IncAction r = new IncAction(); |
2413 |
final CFException ex = new CFException(); |
2414 |
|
2415 |
g.completeExceptionally(ex); |
2416 |
f.complete(v1); |
2417 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2418 |
|
2419 |
// unspecified behavior |
2420 |
Integer v; |
2421 |
try { |
2422 |
assertNull(h.join()); |
2423 |
assertEquals(1, r.invocationCount); |
2424 |
assertEquals(inc(v1), r.value); |
2425 |
} catch (CompletionException ok) { |
2426 |
checkCompletedWithWrappedCFException(h, ex); |
2427 |
assertEquals(0, r.invocationCount); |
2428 |
} |
2429 |
|
2430 |
checkCompletedWithWrappedCFException(g, ex); |
2431 |
checkCompletedNormally(f, v1); |
2432 |
} |
2433 |
} |
2434 |
|
2435 |
public void testAcceptEither_exceptionalCompletion4() { |
2436 |
for (ExecutionMode m : ExecutionMode.values()) |
2437 |
for (Integer v1 : new Integer[] { 1, null }) { |
2438 |
|
2439 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2440 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2441 |
final IncAction r = new IncAction(); |
2442 |
final CFException ex = new CFException(); |
2443 |
|
2444 |
f.completeExceptionally(ex); |
2445 |
g.complete(v1); |
2446 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2447 |
|
2448 |
// unspecified behavior |
2449 |
Integer v; |
2450 |
try { |
2451 |
assertNull(h.join()); |
2452 |
assertEquals(1, r.invocationCount); |
2453 |
assertEquals(inc(v1), r.value); |
2454 |
} catch (CompletionException ok) { |
2455 |
checkCompletedWithWrappedCFException(h, ex); |
2456 |
assertEquals(0, r.invocationCount); |
2457 |
} |
2458 |
|
2459 |
checkCompletedWithWrappedCFException(f, ex); |
2460 |
checkCompletedNormally(g, v1); |
2461 |
} |
2462 |
} |
2463 |
|
2464 |
/** |
2465 |
* acceptEither result completes exceptionally if action does |
2466 |
*/ |
2467 |
public void testAcceptEither_actionFailed1() { |
2468 |
for (ExecutionMode m : ExecutionMode.values()) |
2469 |
for (Integer v1 : new Integer[] { 1, null }) |
2470 |
for (Integer v2 : new Integer[] { 2, null }) { |
2471 |
|
2472 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2473 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2474 |
final FailingConsumer r = new FailingConsumer(); |
2475 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2476 |
|
2477 |
f.complete(v1); |
2478 |
checkCompletedWithWrappedCFException(h); |
2479 |
g.complete(v2); |
2480 |
checkCompletedNormally(f, v1); |
2481 |
checkCompletedNormally(g, v2); |
2482 |
} |
2483 |
} |
2484 |
|
2485 |
public void testAcceptEither_actionFailed2() { |
2486 |
for (ExecutionMode m : ExecutionMode.values()) |
2487 |
for (Integer v1 : new Integer[] { 1, null }) |
2488 |
for (Integer v2 : new Integer[] { 2, null }) { |
2489 |
|
2490 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2491 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2492 |
final FailingConsumer r = new FailingConsumer(); |
2493 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2494 |
|
2495 |
g.complete(v2); |
2496 |
checkCompletedWithWrappedCFException(h); |
2497 |
f.complete(v1); |
2498 |
checkCompletedNormally(f, v1); |
2499 |
checkCompletedNormally(g, v2); |
2500 |
} |
2501 |
} |
2502 |
|
2503 |
/** |
2504 |
* acceptEither result completes exceptionally if either source cancelled |
2505 |
*/ |
2506 |
public void testAcceptEither_sourceCancelled1() { |
2507 |
for (ExecutionMode m : ExecutionMode.values()) |
2508 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2509 |
for (Integer v1 : new Integer[] { 1, null }) { |
2510 |
|
2511 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2512 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2513 |
final IncAction r = new IncAction(); |
2514 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2515 |
|
2516 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2517 |
checkCompletedWithWrappedCancellationException(h); |
2518 |
g.complete(v1); |
2519 |
|
2520 |
checkCancelled(f); |
2521 |
assertEquals(0, r.invocationCount); |
2522 |
checkCompletedNormally(g, v1); |
2523 |
checkCompletedWithWrappedCancellationException(h); |
2524 |
} |
2525 |
} |
2526 |
|
2527 |
public void testAcceptEither_sourceCancelled2() { |
2528 |
for (ExecutionMode m : ExecutionMode.values()) |
2529 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2530 |
for (Integer v1 : new Integer[] { 1, null }) { |
2531 |
|
2532 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2533 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2534 |
final IncAction r = new IncAction(); |
2535 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2536 |
|
2537 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2538 |
checkCompletedWithWrappedCancellationException(h); |
2539 |
f.complete(v1); |
2540 |
|
2541 |
checkCancelled(g); |
2542 |
assertEquals(0, r.invocationCount); |
2543 |
checkCompletedNormally(f, v1); |
2544 |
checkCompletedWithWrappedCancellationException(h); |
2545 |
} |
2546 |
} |
2547 |
|
2548 |
public void testAcceptEither_sourceCancelled3() { |
2549 |
for (ExecutionMode m : ExecutionMode.values()) |
2550 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2551 |
for (Integer v1 : new Integer[] { 1, null }) { |
2552 |
|
2553 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2554 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2555 |
final IncAction r = new IncAction(); |
2556 |
|
2557 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2558 |
f.complete(v1); |
2559 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2560 |
|
2561 |
// unspecified behavior |
2562 |
Integer v; |
2563 |
try { |
2564 |
assertNull(h.join()); |
2565 |
assertEquals(1, r.invocationCount); |
2566 |
assertEquals(inc(v1), r.value); |
2567 |
} catch (CompletionException ok) { |
2568 |
checkCompletedWithWrappedCancellationException(h); |
2569 |
assertEquals(0, r.invocationCount); |
2570 |
} |
2571 |
|
2572 |
checkCancelled(g); |
2573 |
checkCompletedNormally(f, v1); |
2574 |
} |
2575 |
} |
2576 |
|
2577 |
public void testAcceptEither_sourceCancelled4() { |
2578 |
for (ExecutionMode m : ExecutionMode.values()) |
2579 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2580 |
for (Integer v1 : new Integer[] { 1, null }) { |
2581 |
|
2582 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2583 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2584 |
final IncAction r = new IncAction(); |
2585 |
|
2586 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2587 |
g.complete(v1); |
2588 |
final CompletableFuture<Void> h = m.acceptEither(f, g, r); |
2589 |
|
2590 |
// unspecified behavior |
2591 |
Integer v; |
2592 |
try { |
2593 |
assertNull(h.join()); |
2594 |
assertEquals(1, r.invocationCount); |
2595 |
assertEquals(inc(v1), r.value); |
2596 |
} catch (CompletionException ok) { |
2597 |
checkCompletedWithWrappedCancellationException(h); |
2598 |
assertEquals(0, r.invocationCount); |
2599 |
} |
2600 |
|
2601 |
checkCancelled(f); |
2602 |
checkCompletedNormally(g, v1); |
2603 |
} |
2604 |
} |
2605 |
|
2606 |
/** |
2607 |
* runAfterEither result completes normally after normal completion |
2608 |
* of either source |
2609 |
*/ |
2610 |
public void testRunAfterEither_normalCompletion1() { |
2611 |
for (ExecutionMode m : ExecutionMode.values()) |
2612 |
for (Integer v1 : new Integer[] { 1, null }) |
2613 |
for (Integer v2 : new Integer[] { 2, null }) { |
2614 |
|
2615 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2616 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2617 |
final Noop r = new Noop(); |
2618 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2619 |
|
2620 |
f.complete(v1); |
2621 |
checkCompletedNormally(h, null); |
2622 |
assertEquals(1, r.invocationCount); |
2623 |
g.complete(v2); |
2624 |
|
2625 |
checkCompletedNormally(f, v1); |
2626 |
checkCompletedNormally(g, v2); |
2627 |
checkCompletedNormally(h, null); |
2628 |
assertEquals(1, r.invocationCount); |
2629 |
} |
2630 |
} |
2631 |
|
2632 |
public void testRunAfterEither_normalCompletion2() { |
2633 |
for (ExecutionMode m : ExecutionMode.values()) |
2634 |
for (Integer v1 : new Integer[] { 1, null }) |
2635 |
for (Integer v2 : new Integer[] { 2, null }) { |
2636 |
|
2637 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2638 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2639 |
final Noop r = new Noop(); |
2640 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2641 |
|
2642 |
g.complete(v2); |
2643 |
checkCompletedNormally(h, null); |
2644 |
assertEquals(1, r.invocationCount); |
2645 |
f.complete(v1); |
2646 |
|
2647 |
checkCompletedNormally(f, v1); |
2648 |
checkCompletedNormally(g, v2); |
2649 |
checkCompletedNormally(h, null); |
2650 |
assertEquals(1, r.invocationCount); |
2651 |
} |
2652 |
} |
2653 |
public void testRunAfterEither_normalCompletion3() { |
2654 |
for (ExecutionMode m : ExecutionMode.values()) |
2655 |
for (Integer v1 : new Integer[] { 1, null }) |
2656 |
for (Integer v2 : new Integer[] { 2, null }) { |
2657 |
|
2658 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2659 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2660 |
final Noop r = new Noop(); |
2661 |
|
2662 |
f.complete(v1); |
2663 |
g.complete(v2); |
2664 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2665 |
|
2666 |
checkCompletedNormally(h, null); |
2667 |
checkCompletedNormally(f, v1); |
2668 |
checkCompletedNormally(g, v2); |
2669 |
assertEquals(1, r.invocationCount); |
2670 |
} |
2671 |
} |
2672 |
|
2673 |
/** |
2674 |
* runAfterEither result completes exceptionally after exceptional |
2675 |
* completion of either source |
2676 |
*/ |
2677 |
public void testRunAfterEither_exceptionalCompletion1() { |
2678 |
for (ExecutionMode m : ExecutionMode.values()) |
2679 |
for (Integer v1 : new Integer[] { 1, null }) { |
2680 |
|
2681 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2682 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2683 |
final Noop r = new Noop(); |
2684 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2685 |
final CFException ex = new CFException(); |
2686 |
|
2687 |
f.completeExceptionally(ex); |
2688 |
checkCompletedWithWrappedCFException(h, ex); |
2689 |
g.complete(v1); |
2690 |
|
2691 |
assertEquals(0, r.invocationCount); |
2692 |
checkCompletedNormally(g, v1); |
2693 |
checkCompletedWithWrappedCFException(f, ex); |
2694 |
checkCompletedWithWrappedCFException(h, ex); |
2695 |
} |
2696 |
} |
2697 |
|
2698 |
public void testRunAfterEither_exceptionalCompletion2() { |
2699 |
for (ExecutionMode m : ExecutionMode.values()) |
2700 |
for (Integer v1 : new Integer[] { 1, null }) { |
2701 |
|
2702 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2703 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2704 |
final Noop r = new Noop(); |
2705 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2706 |
final CFException ex = new CFException(); |
2707 |
|
2708 |
g.completeExceptionally(ex); |
2709 |
checkCompletedWithWrappedCFException(h, ex); |
2710 |
f.complete(v1); |
2711 |
|
2712 |
assertEquals(0, r.invocationCount); |
2713 |
checkCompletedNormally(f, v1); |
2714 |
checkCompletedWithWrappedCFException(g, ex); |
2715 |
checkCompletedWithWrappedCFException(h, ex); |
2716 |
} |
2717 |
} |
2718 |
|
2719 |
public void testRunAfterEither_exceptionalCompletion3() { |
2720 |
for (ExecutionMode m : ExecutionMode.values()) |
2721 |
for (Integer v1 : new Integer[] { 1, null }) { |
2722 |
|
2723 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2724 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2725 |
final Noop r = new Noop(); |
2726 |
final CFException ex = new CFException(); |
2727 |
|
2728 |
g.completeExceptionally(ex); |
2729 |
f.complete(v1); |
2730 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2731 |
|
2732 |
// unspecified behavior |
2733 |
Integer v; |
2734 |
try { |
2735 |
assertNull(h.join()); |
2736 |
assertEquals(1, r.invocationCount); |
2737 |
} catch (CompletionException ok) { |
2738 |
checkCompletedWithWrappedCFException(h, ex); |
2739 |
assertEquals(0, r.invocationCount); |
2740 |
} |
2741 |
|
2742 |
checkCompletedWithWrappedCFException(g, ex); |
2743 |
checkCompletedNormally(f, v1); |
2744 |
} |
2745 |
} |
2746 |
|
2747 |
public void testRunAfterEither_exceptionalCompletion4() { |
2748 |
for (ExecutionMode m : ExecutionMode.values()) |
2749 |
for (Integer v1 : new Integer[] { 1, null }) { |
2750 |
|
2751 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2752 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2753 |
final Noop r = new Noop(); |
2754 |
final CFException ex = new CFException(); |
2755 |
|
2756 |
f.completeExceptionally(ex); |
2757 |
g.complete(v1); |
2758 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2759 |
|
2760 |
// unspecified behavior |
2761 |
Integer v; |
2762 |
try { |
2763 |
assertNull(h.join()); |
2764 |
assertEquals(1, r.invocationCount); |
2765 |
} catch (CompletionException ok) { |
2766 |
checkCompletedWithWrappedCFException(h, ex); |
2767 |
assertEquals(0, r.invocationCount); |
2768 |
} |
2769 |
|
2770 |
checkCompletedWithWrappedCFException(f, ex); |
2771 |
checkCompletedNormally(g, v1); |
2772 |
} |
2773 |
} |
2774 |
|
2775 |
/** |
2776 |
* runAfterEither result completes exceptionally if action does |
2777 |
*/ |
2778 |
public void testRunAfterEither_actionFailed1() { |
2779 |
for (ExecutionMode m : ExecutionMode.values()) |
2780 |
for (Integer v1 : new Integer[] { 1, null }) |
2781 |
for (Integer v2 : new Integer[] { 2, null }) { |
2782 |
|
2783 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2784 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2785 |
final FailingNoop r = new FailingNoop(); |
2786 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2787 |
|
2788 |
f.complete(v1); |
2789 |
checkCompletedWithWrappedCFException(h); |
2790 |
g.complete(v2); |
2791 |
checkCompletedNormally(f, v1); |
2792 |
checkCompletedNormally(g, v2); |
2793 |
} |
2794 |
} |
2795 |
|
2796 |
public void testRunAfterEither_actionFailed2() { |
2797 |
for (ExecutionMode m : ExecutionMode.values()) |
2798 |
for (Integer v1 : new Integer[] { 1, null }) |
2799 |
for (Integer v2 : new Integer[] { 2, null }) { |
2800 |
|
2801 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2802 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2803 |
final FailingNoop r = new FailingNoop(); |
2804 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2805 |
|
2806 |
g.complete(v2); |
2807 |
checkCompletedWithWrappedCFException(h); |
2808 |
f.complete(v1); |
2809 |
checkCompletedNormally(f, v1); |
2810 |
checkCompletedNormally(g, v2); |
2811 |
} |
2812 |
} |
2813 |
|
2814 |
/** |
2815 |
* runAfterEither result completes exceptionally if either source cancelled |
2816 |
*/ |
2817 |
public void testRunAfterEither_sourceCancelled1() { |
2818 |
for (ExecutionMode m : ExecutionMode.values()) |
2819 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2820 |
for (Integer v1 : new Integer[] { 1, null }) { |
2821 |
|
2822 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2823 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2824 |
final Noop r = new Noop(); |
2825 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2826 |
|
2827 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2828 |
checkCompletedWithWrappedCancellationException(h); |
2829 |
g.complete(v1); |
2830 |
|
2831 |
checkCancelled(f); |
2832 |
assertEquals(0, r.invocationCount); |
2833 |
checkCompletedNormally(g, v1); |
2834 |
checkCompletedWithWrappedCancellationException(h); |
2835 |
} |
2836 |
} |
2837 |
|
2838 |
public void testRunAfterEither_sourceCancelled2() { |
2839 |
for (ExecutionMode m : ExecutionMode.values()) |
2840 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2841 |
for (Integer v1 : new Integer[] { 1, null }) { |
2842 |
|
2843 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2844 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2845 |
final Noop r = new Noop(); |
2846 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2847 |
|
2848 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2849 |
checkCompletedWithWrappedCancellationException(h); |
2850 |
f.complete(v1); |
2851 |
|
2852 |
checkCancelled(g); |
2853 |
assertEquals(0, r.invocationCount); |
2854 |
checkCompletedNormally(f, v1); |
2855 |
checkCompletedWithWrappedCancellationException(h); |
2856 |
} |
2857 |
} |
2858 |
|
2859 |
public void testRunAfterEither_sourceCancelled3() { |
2860 |
for (ExecutionMode m : ExecutionMode.values()) |
2861 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2862 |
for (Integer v1 : new Integer[] { 1, null }) { |
2863 |
|
2864 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2865 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2866 |
final Noop r = new Noop(); |
2867 |
|
2868 |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2869 |
f.complete(v1); |
2870 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2871 |
|
2872 |
// unspecified behavior |
2873 |
Integer v; |
2874 |
try { |
2875 |
assertNull(h.join()); |
2876 |
assertEquals(1, r.invocationCount); |
2877 |
} catch (CompletionException ok) { |
2878 |
checkCompletedWithWrappedCancellationException(h); |
2879 |
assertEquals(0, r.invocationCount); |
2880 |
} |
2881 |
|
2882 |
checkCancelled(g); |
2883 |
checkCompletedNormally(f, v1); |
2884 |
} |
2885 |
} |
2886 |
|
2887 |
public void testRunAfterEither_sourceCancelled4() { |
2888 |
for (ExecutionMode m : ExecutionMode.values()) |
2889 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2890 |
for (Integer v1 : new Integer[] { 1, null }) { |
2891 |
|
2892 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2893 |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2894 |
final Noop r = new Noop(); |
2895 |
|
2896 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2897 |
g.complete(v1); |
2898 |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2899 |
|
2900 |
// unspecified behavior |
2901 |
Integer v; |
2902 |
try { |
2903 |
assertNull(h.join()); |
2904 |
assertEquals(1, r.invocationCount); |
2905 |
} catch (CompletionException ok) { |
2906 |
checkCompletedWithWrappedCancellationException(h); |
2907 |
assertEquals(0, r.invocationCount); |
2908 |
} |
2909 |
|
2910 |
checkCancelled(f); |
2911 |
checkCompletedNormally(g, v1); |
2912 |
} |
2913 |
} |
2914 |
|
2915 |
/** |
2916 |
* thenCompose result completes normally after normal completion of source |
2917 |
*/ |
2918 |
public void testThenCompose_normalCompletion1() { |
2919 |
for (ExecutionMode m : ExecutionMode.values()) |
2920 |
for (Integer v1 : new Integer[] { 1, null }) { |
2921 |
|
2922 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2923 |
final CompletableFutureInc r = new CompletableFutureInc(); |
2924 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2925 |
f.complete(v1); |
2926 |
checkCompletedNormally(g, inc(v1)); |
2927 |
checkCompletedNormally(f, v1); |
2928 |
assertEquals(1, r.invocationCount); |
2929 |
} |
2930 |
} |
2931 |
|
2932 |
public void testThenCompose_normalCompletion2() { |
2933 |
for (ExecutionMode m : ExecutionMode.values()) |
2934 |
for (Integer v1 : new Integer[] { 1, null }) { |
2935 |
|
2936 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2937 |
final CompletableFutureInc r = new CompletableFutureInc(); |
2938 |
f.complete(v1); |
2939 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2940 |
checkCompletedNormally(g, inc(v1)); |
2941 |
checkCompletedNormally(f, v1); |
2942 |
assertEquals(1, r.invocationCount); |
2943 |
} |
2944 |
} |
2945 |
|
2946 |
/** |
2947 |
* thenCompose result completes exceptionally after exceptional |
2948 |
* completion of source |
2949 |
*/ |
2950 |
public void testThenCompose_exceptionalCompletion1() { |
2951 |
for (ExecutionMode m : ExecutionMode.values()) { |
2952 |
|
2953 |
final CFException ex = new CFException(); |
2954 |
final CompletableFutureInc r = new CompletableFutureInc(); |
2955 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2956 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2957 |
f.completeExceptionally(ex); |
2958 |
checkCompletedWithWrappedCFException(g, ex); |
2959 |
checkCompletedWithWrappedCFException(f, ex); |
2960 |
} |
2961 |
} |
2962 |
|
2963 |
public void testThenCompose_exceptionalCompletion2() { |
2964 |
for (ExecutionMode m : ExecutionMode.values()) { |
2965 |
|
2966 |
final CFException ex = new CFException(); |
2967 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2968 |
f.completeExceptionally(ex); |
2969 |
final CompletableFutureInc r = new CompletableFutureInc(); |
2970 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2971 |
checkCompletedWithWrappedCFException(g, ex); |
2972 |
checkCompletedWithWrappedCFException(f, ex); |
2973 |
} |
2974 |
} |
2975 |
|
2976 |
/** |
2977 |
* thenCompose result completes exceptionally if action does |
2978 |
*/ |
2979 |
public void testThenCompose_actionFailed1() { |
2980 |
for (ExecutionMode m : ExecutionMode.values()) |
2981 |
for (Integer v1 : new Integer[] { 1, null }) { |
2982 |
|
2983 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2984 |
final FailingCompletableFutureFunction r |
2985 |
= new FailingCompletableFutureFunction(); |
2986 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
2987 |
f.complete(v1); |
2988 |
checkCompletedWithWrappedCFException(g); |
2989 |
checkCompletedNormally(f, v1); |
2990 |
} |
2991 |
} |
2992 |
|
2993 |
public void testThenCompose_actionFailed2() { |
2994 |
for (ExecutionMode m : ExecutionMode.values()) |
2995 |
for (Integer v1 : new Integer[] { 1, null }) { |
2996 |
|
2997 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2998 |
f.complete(v1); |
2999 |
final FailingCompletableFutureFunction r |
3000 |
= new FailingCompletableFutureFunction(); |
3001 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
3002 |
checkCompletedWithWrappedCFException(g); |
3003 |
checkCompletedNormally(f, v1); |
3004 |
} |
3005 |
} |
3006 |
|
3007 |
/** |
3008 |
* thenCompose result completes exceptionally if source cancelled |
3009 |
*/ |
3010 |
public void testThenCompose_sourceCancelled1() { |
3011 |
for (ExecutionMode m : ExecutionMode.values()) |
3012 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { |
3013 |
|
3014 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3015 |
final CompletableFutureInc r = new CompletableFutureInc(); |
3016 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
3017 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
3018 |
checkCompletedWithWrappedCancellationException(g); |
3019 |
checkCancelled(f); |
3020 |
} |
3021 |
} |
3022 |
|
3023 |
public void testThenCompose_sourceCancelled2() { |
3024 |
for (ExecutionMode m : ExecutionMode.values()) |
3025 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { |
3026 |
|
3027 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3028 |
assertTrue(f.cancel(mayInterruptIfRunning)); |
3029 |
final CompletableFutureInc r = new CompletableFutureInc(); |
3030 |
final CompletableFuture<Integer> g = f.thenCompose(r); |
3031 |
checkCompletedWithWrappedCancellationException(g); |
3032 |
checkCancelled(f); |
3033 |
} |
3034 |
} |
3035 |
|
3036 |
// asyncs |
3037 |
|
3038 |
/** |
3039 |
* thenRunAsync result completes normally after normal completion of source |
3040 |
*/ |
3041 |
public void testThenRunAsync() { |
3042 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3043 |
Noop r = new Noop(); |
3044 |
CompletableFuture<Void> g = f.thenRunAsync(r); |
3045 |
f.complete(null); |
3046 |
checkCompletedNormally(g, null); |
3047 |
|
3048 |
// reordered version |
3049 |
f = new CompletableFuture<>(); |
3050 |
f.complete(null); |
3051 |
r = new Noop(); |
3052 |
g = f.thenRunAsync(r); |
3053 |
checkCompletedNormally(g, null); |
3054 |
} |
3055 |
|
3056 |
/** |
3057 |
* thenRunAsync result completes exceptionally after exceptional |
3058 |
* completion of source |
3059 |
*/ |
3060 |
public void testThenRunAsync2() { |
3061 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3062 |
Noop r = new Noop(); |
3063 |
CompletableFuture<Void> g = f.thenRunAsync(r); |
3064 |
f.completeExceptionally(new CFException()); |
3065 |
try { |
3066 |
g.join(); |
3067 |
shouldThrow(); |
3068 |
} catch (CompletionException success) {} |
3069 |
checkCompletedWithWrappedCFException(g); |
3070 |
} |
3071 |
|
3072 |
/** |
3073 |
* thenRunAsync result completes exceptionally if action does |
3074 |
*/ |
3075 |
public void testThenRunAsync3() { |
3076 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3077 |
FailingNoop r = new FailingNoop(); |
3078 |
CompletableFuture<Void> g = f.thenRunAsync(r); |
3079 |
f.complete(null); |
3080 |
checkCompletedWithWrappedCFException(g); |
3081 |
} |
3082 |
|
3083 |
/** |
3084 |
* thenRunAsync result completes exceptionally if source cancelled |
3085 |
*/ |
3086 |
public void testThenRunAsync4() { |
3087 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3088 |
Noop r = new Noop(); |
3089 |
CompletableFuture<Void> g = f.thenRunAsync(r); |
3090 |
assertTrue(f.cancel(true)); |
3091 |
checkCompletedWithWrappedCancellationException(g); |
3092 |
} |
3093 |
|
3094 |
/** |
3095 |
* thenApplyAsync result completes normally after normal completion of source |
3096 |
*/ |
3097 |
public void testThenApplyAsync() { |
3098 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3099 |
CompletableFuture<Integer> g = f.thenApplyAsync(inc); |
3100 |
f.complete(one); |
3101 |
checkCompletedNormally(g, two); |
3102 |
} |
3103 |
|
3104 |
/** |
3105 |
* thenApplyAsync result completes exceptionally after exceptional |
3106 |
* completion of source |
3107 |
*/ |
3108 |
public void testThenApplyAsync2() { |
3109 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3110 |
CompletableFuture<Integer> g = f.thenApplyAsync(inc); |
3111 |
f.completeExceptionally(new CFException()); |
3112 |
checkCompletedWithWrappedCFException(g); |
3113 |
} |
3114 |
|
3115 |
/** |
3116 |
* thenApplyAsync result completes exceptionally if action does |
3117 |
*/ |
3118 |
public void testThenApplyAsync3() { |
3119 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3120 |
FailingFunction r = new FailingFunction(); |
3121 |
CompletableFuture<Integer> g = f.thenApplyAsync(r); |
3122 |
f.complete(null); |
3123 |
checkCompletedWithWrappedCFException(g); |
3124 |
} |
3125 |
|
3126 |
/** |
3127 |
* thenApplyAsync result completes exceptionally if source cancelled |
3128 |
*/ |
3129 |
public void testThenApplyAsync4() { |
3130 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3131 |
CompletableFuture<Integer> g = f.thenApplyAsync(inc); |
3132 |
assertTrue(f.cancel(true)); |
3133 |
checkCompletedWithWrappedCancellationException(g); |
3134 |
} |
3135 |
|
3136 |
/** |
3137 |
* thenAcceptAsync result completes normally after normal |
3138 |
* completion of source |
3139 |
*/ |
3140 |
public void testThenAcceptAsync() { |
3141 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3142 |
IncAction r = new IncAction(); |
3143 |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
3144 |
f.complete(one); |
3145 |
checkCompletedNormally(g, null); |
3146 |
assertEquals(r.value, (Integer) 2); |
3147 |
} |
3148 |
|
3149 |
/** |
3150 |
* thenAcceptAsync result completes exceptionally after exceptional |
3151 |
* completion of source |
3152 |
*/ |
3153 |
public void testThenAcceptAsync2() { |
3154 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3155 |
IncAction r = new IncAction(); |
3156 |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
3157 |
f.completeExceptionally(new CFException()); |
3158 |
checkCompletedWithWrappedCFException(g); |
3159 |
} |
3160 |
|
3161 |
/** |
3162 |
* thenAcceptAsync result completes exceptionally if action does |
3163 |
*/ |
3164 |
public void testThenAcceptAsync3() { |
3165 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3166 |
FailingConsumer r = new FailingConsumer(); |
3167 |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
3168 |
f.complete(null); |
3169 |
checkCompletedWithWrappedCFException(g); |
3170 |
} |
3171 |
|
3172 |
/** |
3173 |
* thenAcceptAsync result completes exceptionally if source cancelled |
3174 |
*/ |
3175 |
public void testThenAcceptAsync4() { |
3176 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3177 |
IncAction r = new IncAction(); |
3178 |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
3179 |
assertTrue(f.cancel(true)); |
3180 |
checkCompletedWithWrappedCancellationException(g); |
3181 |
} |
3182 |
|
3183 |
// async with explicit executors |
3184 |
|
3185 |
/** |
3186 |
* thenRunAsync result completes normally after normal completion of source |
3187 |
*/ |
3188 |
public void testThenRunAsyncE() { |
3189 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3190 |
Noop r = new Noop(); |
3191 |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
3192 |
f.complete(null); |
3193 |
checkCompletedNormally(g, null); |
3194 |
|
3195 |
// reordered version |
3196 |
f = new CompletableFuture<>(); |
3197 |
f.complete(null); |
3198 |
r = new Noop(); |
3199 |
g = f.thenRunAsync(r, new ThreadExecutor()); |
3200 |
checkCompletedNormally(g, null); |
3201 |
} |
3202 |
|
3203 |
/** |
3204 |
* thenRunAsync result completes exceptionally after exceptional |
3205 |
* completion of source |
3206 |
*/ |
3207 |
public void testThenRunAsync2E() { |
3208 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3209 |
Noop r = new Noop(); |
3210 |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
3211 |
f.completeExceptionally(new CFException()); |
3212 |
try { |
3213 |
g.join(); |
3214 |
shouldThrow(); |
3215 |
} catch (CompletionException success) {} |
3216 |
checkCompletedWithWrappedCFException(g); |
3217 |
} |
3218 |
|
3219 |
/** |
3220 |
* thenRunAsync result completes exceptionally if action does |
3221 |
*/ |
3222 |
public void testThenRunAsync3E() { |
3223 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3224 |
FailingNoop r = new FailingNoop(); |
3225 |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
3226 |
f.complete(null); |
3227 |
checkCompletedWithWrappedCFException(g); |
3228 |
} |
3229 |
|
3230 |
/** |
3231 |
* thenRunAsync result completes exceptionally if source cancelled |
3232 |
*/ |
3233 |
public void testThenRunAsync4E() { |
3234 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3235 |
Noop r = new Noop(); |
3236 |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
3237 |
assertTrue(f.cancel(true)); |
3238 |
checkCompletedWithWrappedCancellationException(g); |
3239 |
} |
3240 |
|
3241 |
/** |
3242 |
* thenApplyAsync result completes normally after normal completion of source |
3243 |
*/ |
3244 |
public void testThenApplyAsyncE() { |
3245 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3246 |
CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor()); |
3247 |
f.complete(one); |
3248 |
checkCompletedNormally(g, two); |
3249 |
} |
3250 |
|
3251 |
/** |
3252 |
* thenApplyAsync result completes exceptionally after exceptional |
3253 |
* completion of source |
3254 |
*/ |
3255 |
public void testThenApplyAsync2E() { |
3256 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3257 |
CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor()); |
3258 |
f.completeExceptionally(new CFException()); |
3259 |
checkCompletedWithWrappedCFException(g); |
3260 |
} |
3261 |
|
3262 |
/** |
3263 |
* thenApplyAsync result completes exceptionally if action does |
3264 |
*/ |
3265 |
public void testThenApplyAsync3E() { |
3266 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3267 |
FailingFunction r = new FailingFunction(); |
3268 |
CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor()); |
3269 |
f.complete(null); |
3270 |
checkCompletedWithWrappedCFException(g); |
3271 |
} |
3272 |
|
3273 |
/** |
3274 |
* thenApplyAsync result completes exceptionally if source cancelled |
3275 |
*/ |
3276 |
public void testThenApplyAsync4E() { |
3277 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3278 |
CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor()); |
3279 |
assertTrue(f.cancel(true)); |
3280 |
checkCompletedWithWrappedCancellationException(g); |
3281 |
} |
3282 |
|
3283 |
/** |
3284 |
* thenAcceptAsync result completes normally after normal |
3285 |
* completion of source |
3286 |
*/ |
3287 |
public void testThenAcceptAsyncE() { |
3288 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3289 |
IncAction r = new IncAction(); |
3290 |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
3291 |
f.complete(one); |
3292 |
checkCompletedNormally(g, null); |
3293 |
assertEquals(r.value, (Integer) 2); |
3294 |
} |
3295 |
|
3296 |
/** |
3297 |
* thenAcceptAsync result completes exceptionally after exceptional |
3298 |
* completion of source |
3299 |
*/ |
3300 |
public void testThenAcceptAsync2E() { |
3301 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3302 |
IncAction r = new IncAction(); |
3303 |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
3304 |
f.completeExceptionally(new CFException()); |
3305 |
checkCompletedWithWrappedCFException(g); |
3306 |
} |
3307 |
|
3308 |
/** |
3309 |
* thenAcceptAsync result completes exceptionally if action does |
3310 |
*/ |
3311 |
public void testThenAcceptAsync3E() { |
3312 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3313 |
FailingConsumer r = new FailingConsumer(); |
3314 |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
3315 |
f.complete(null); |
3316 |
checkCompletedWithWrappedCFException(g); |
3317 |
} |
3318 |
|
3319 |
/** |
3320 |
* thenAcceptAsync result completes exceptionally if source cancelled |
3321 |
*/ |
3322 |
public void testThenAcceptAsync4E() { |
3323 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3324 |
IncAction r = new IncAction(); |
3325 |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
3326 |
assertTrue(f.cancel(true)); |
3327 |
checkCompletedWithWrappedCancellationException(g); |
3328 |
} |
3329 |
|
3330 |
// other static methods |
3331 |
|
3332 |
/** |
3333 |
* allOf(no component futures) returns a future completed normally |
3334 |
* with the value null |
3335 |
*/ |
3336 |
public void testAllOf_empty() throws Exception { |
3337 |
CompletableFuture<Void> f = CompletableFuture.allOf(); |
3338 |
checkCompletedNormally(f, null); |
3339 |
} |
3340 |
|
3341 |
/** |
3342 |
* allOf returns a future completed normally with the value null |
3343 |
* when all components complete normally |
3344 |
*/ |
3345 |
public void testAllOf_normal() throws Exception { |
3346 |
for (int k = 1; k < 20; ++k) { |
3347 |
CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3348 |
for (int i = 0; i < k; ++i) |
3349 |
fs[i] = new CompletableFuture<>(); |
3350 |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
3351 |
for (int i = 0; i < k; ++i) { |
3352 |
checkIncomplete(f); |
3353 |
checkIncomplete(CompletableFuture.allOf(fs)); |
3354 |
fs[i].complete(one); |
3355 |
} |
3356 |
checkCompletedNormally(f, null); |
3357 |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
3358 |
} |
3359 |
} |
3360 |
|
3361 |
/** |
3362 |
* anyOf(no component futures) returns an incomplete future |
3363 |
*/ |
3364 |
public void testAnyOf_empty() throws Exception { |
3365 |
CompletableFuture<Object> f = CompletableFuture.anyOf(); |
3366 |
checkIncomplete(f); |
3367 |
} |
3368 |
|
3369 |
/** |
3370 |
* anyOf returns a future completed normally with a value when |
3371 |
* a component future does |
3372 |
*/ |
3373 |
public void testAnyOf_normal() throws Exception { |
3374 |
for (int k = 0; k < 10; ++k) { |
3375 |
CompletableFuture[] fs = new CompletableFuture[k]; |
3376 |
for (int i = 0; i < k; ++i) |
3377 |
fs[i] = new CompletableFuture<>(); |
3378 |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3379 |
checkIncomplete(f); |
3380 |
for (int i = 0; i < k; ++i) { |
3381 |
fs[i].complete(one); |
3382 |
checkCompletedNormally(f, one); |
3383 |
checkCompletedNormally(CompletableFuture.anyOf(fs), one); |
3384 |
} |
3385 |
} |
3386 |
} |
3387 |
|
3388 |
/** |
3389 |
* anyOf result completes exceptionally when any component does. |
3390 |
*/ |
3391 |
public void testAnyOf_exceptional() throws Exception { |
3392 |
for (int k = 0; k < 10; ++k) { |
3393 |
CompletableFuture[] fs = new CompletableFuture[k]; |
3394 |
for (int i = 0; i < k; ++i) |
3395 |
fs[i] = new CompletableFuture<>(); |
3396 |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3397 |
checkIncomplete(f); |
3398 |
for (int i = 0; i < k; ++i) { |
3399 |
fs[i].completeExceptionally(new CFException()); |
3400 |
checkCompletedWithWrappedCFException(f); |
3401 |
checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); |
3402 |
} |
3403 |
} |
3404 |
} |
3405 |
|
3406 |
/** |
3407 |
* Completion methods throw NullPointerException with null arguments |
3408 |
*/ |
3409 |
public void testNPE() { |
3410 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3411 |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
3412 |
CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null; |
3413 |
CompletableFuture<?> h; |
3414 |
ThreadExecutor exec = new ThreadExecutor(); |
3415 |
|
3416 |
Runnable[] throwingActions = { |
3417 |
() -> CompletableFuture.supplyAsync(null), |
3418 |
() -> CompletableFuture.supplyAsync(null, exec), |
3419 |
() -> CompletableFuture.supplyAsync(supplyOne, null), |
3420 |
|
3421 |
() -> CompletableFuture.runAsync(null), |
3422 |
() -> CompletableFuture.runAsync(null, exec), |
3423 |
() -> CompletableFuture.runAsync(() -> {}, null), |
3424 |
|
3425 |
() -> f.completeExceptionally(null), |
3426 |
|
3427 |
() -> f.thenApply(null), |
3428 |
() -> f.thenApplyAsync(null), |
3429 |
() -> f.thenApplyAsync((x) -> x, null), |
3430 |
() -> f.thenApplyAsync(null, exec), |
3431 |
|
3432 |
() -> f.thenAccept(null), |
3433 |
() -> f.thenAcceptAsync(null), |
3434 |
() -> f.thenAcceptAsync((x) -> {} , null), |
3435 |
() -> f.thenAcceptAsync(null, exec), |
3436 |
|
3437 |
() -> f.thenRun(null), |
3438 |
() -> f.thenRunAsync(null), |
3439 |
() -> f.thenRunAsync(() -> {} , null), |
3440 |
() -> f.thenRunAsync(null, exec), |
3441 |
|
3442 |
() -> f.thenCombine(g, null), |
3443 |
() -> f.thenCombineAsync(g, null), |
3444 |
() -> f.thenCombineAsync(g, null, exec), |
3445 |
() -> f.thenCombine(nullFuture, (x, y) -> x), |
3446 |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x), |
3447 |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec), |
3448 |
() -> f.thenCombineAsync(g, (x, y) -> x, null), |
3449 |
|
3450 |
() -> f.thenAcceptBoth(g, null), |
3451 |
() -> f.thenAcceptBothAsync(g, null), |
3452 |
() -> f.thenAcceptBothAsync(g, null, exec), |
3453 |
() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}), |
3454 |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}), |
3455 |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec), |
3456 |
() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null), |
3457 |
|
3458 |
() -> f.runAfterBoth(g, null), |
3459 |
() -> f.runAfterBothAsync(g, null), |
3460 |
() -> f.runAfterBothAsync(g, null, exec), |
3461 |
() -> f.runAfterBoth(nullFuture, () -> {}), |
3462 |
() -> f.runAfterBothAsync(nullFuture, () -> {}), |
3463 |
() -> f.runAfterBothAsync(nullFuture, () -> {}, exec), |
3464 |
() -> f.runAfterBothAsync(g, () -> {}, null), |
3465 |
|
3466 |
() -> f.applyToEither(g, null), |
3467 |
() -> f.applyToEitherAsync(g, null), |
3468 |
() -> f.applyToEitherAsync(g, null, exec), |
3469 |
() -> f.applyToEither(nullFuture, (x) -> x), |
3470 |
() -> f.applyToEitherAsync(nullFuture, (x) -> x), |
3471 |
() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec), |
3472 |
() -> f.applyToEitherAsync(g, (x) -> x, null), |
3473 |
|
3474 |
() -> f.acceptEither(g, null), |
3475 |
() -> f.acceptEitherAsync(g, null), |
3476 |
() -> f.acceptEitherAsync(g, null, exec), |
3477 |
() -> f.acceptEither(nullFuture, (x) -> {}), |
3478 |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}), |
3479 |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec), |
3480 |
() -> f.acceptEitherAsync(g, (x) -> {}, null), |
3481 |
|
3482 |
() -> f.runAfterEither(g, null), |
3483 |
() -> f.runAfterEitherAsync(g, null), |
3484 |
() -> f.runAfterEitherAsync(g, null, exec), |
3485 |
() -> f.runAfterEither(nullFuture, () -> {}), |
3486 |
() -> f.runAfterEitherAsync(nullFuture, () -> {}), |
3487 |
() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec), |
3488 |
() -> f.runAfterEitherAsync(g, () -> {}, null), |
3489 |
|
3490 |
() -> f.thenCompose(null), |
3491 |
() -> f.thenComposeAsync(null), |
3492 |
() -> f.thenComposeAsync(new CompletableFutureInc(), null), |
3493 |
() -> f.thenComposeAsync(null, exec), |
3494 |
|
3495 |
() -> f.exceptionally(null), |
3496 |
|
3497 |
() -> f.handle(null), |
3498 |
|
3499 |
() -> CompletableFuture.allOf((CompletableFuture<?>)null), |
3500 |
() -> CompletableFuture.allOf((CompletableFuture<?>[])null), |
3501 |
() -> CompletableFuture.allOf(f, null), |
3502 |
() -> CompletableFuture.allOf(null, f), |
3503 |
|
3504 |
() -> CompletableFuture.anyOf((CompletableFuture<?>)null), |
3505 |
() -> CompletableFuture.anyOf((CompletableFuture<?>[])null), |
3506 |
() -> CompletableFuture.anyOf(f, null), |
3507 |
() -> CompletableFuture.anyOf(null, f), |
3508 |
|
3509 |
() -> f.obtrudeException(null), |
3510 |
}; |
3511 |
|
3512 |
assertThrows(NullPointerException.class, throwingActions); |
3513 |
assertEquals(0, exec.count.get()); |
3514 |
} |
3515 |
|
3516 |
/** |
3517 |
* toCompletableFuture returns this CompletableFuture. |
3518 |
*/ |
3519 |
public void testToCompletableFuture() { |
3520 |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3521 |
assertSame(f, f.toCompletableFuture()); |
3522 |
} |
3523 |
|
3524 |
/** |
3525 |
* whenComplete action executes on normal completion, propagating |
3526 |
* source result. |
3527 |
*/ |
3528 |
public void testWhenComplete_normalCompletion1() { |
3529 |
for (ExecutionMode m : ExecutionMode.values()) |
3530 |
for (boolean createIncomplete : new boolean[] { true, false }) |
3531 |
for (Integer v1 : new Integer[] { 1, null }) |
3532 |
{ |
3533 |
final AtomicInteger a = new AtomicInteger(0); |
3534 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3535 |
if (!createIncomplete) f.complete(v1); |
3536 |
final CompletableFuture<Integer> g = m.whenComplete |
3537 |
(f, |
3538 |
(Integer x, Throwable t) -> { |
3539 |
threadAssertSame(x, v1); |
3540 |
threadAssertNull(t); |
3541 |
a.getAndIncrement(); |
3542 |
}); |
3543 |
if (createIncomplete) f.complete(v1); |
3544 |
|
3545 |
checkCompletedNormally(g, v1); |
3546 |
checkCompletedNormally(f, v1); |
3547 |
assertEquals(1, a.get()); |
3548 |
}} |
3549 |
|
3550 |
/** |
3551 |
* whenComplete action executes on exceptional completion, propagating |
3552 |
* source result. |
3553 |
*/ |
3554 |
public void testWhenComplete_exceptionalCompletion() { |
3555 |
for (ExecutionMode m : ExecutionMode.values()) |
3556 |
for (boolean createIncomplete : new boolean[] { true, false }) |
3557 |
for (Integer v1 : new Integer[] { 1, null }) |
3558 |
{ |
3559 |
final AtomicInteger a = new AtomicInteger(0); |
3560 |
final CFException ex = new CFException(); |
3561 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3562 |
if (!createIncomplete) f.completeExceptionally(ex); |
3563 |
final CompletableFuture<Integer> g = m.whenComplete |
3564 |
(f, |
3565 |
(Integer x, Throwable t) -> { |
3566 |
threadAssertNull(x); |
3567 |
threadAssertSame(t, ex); |
3568 |
a.getAndIncrement(); |
3569 |
}); |
3570 |
if (createIncomplete) f.completeExceptionally(ex); |
3571 |
checkCompletedWithWrappedCFException(f, ex); |
3572 |
checkCompletedWithWrappedCFException(g, ex); |
3573 |
assertEquals(1, a.get()); |
3574 |
}} |
3575 |
|
3576 |
/** |
3577 |
* whenComplete action executes on cancelled source, propagating |
3578 |
* CancellationException. |
3579 |
*/ |
3580 |
public void testWhenComplete_sourceCancelled() { |
3581 |
for (ExecutionMode m : ExecutionMode.values()) |
3582 |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
3583 |
for (boolean createIncomplete : new boolean[] { true, false }) |
3584 |
{ |
3585 |
final AtomicInteger a = new AtomicInteger(0); |
3586 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3587 |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
3588 |
final CompletableFuture<Integer> g = m.whenComplete |
3589 |
(f, |
3590 |
(Integer x, Throwable t) -> { |
3591 |
threadAssertNull(x); |
3592 |
threadAssertTrue(t instanceof CancellationException); |
3593 |
a.getAndIncrement(); |
3594 |
}); |
3595 |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
3596 |
|
3597 |
//try { g.join(); } catch (Throwable t) { throw new Error(t); } |
3598 |
checkCompletedWithWrappedCancellationException(g); |
3599 |
checkCancelled(f); |
3600 |
assertEquals(1, a.get()); |
3601 |
}} |
3602 |
|
3603 |
/** |
3604 |
* If a whenComplete action throws an exception when triggered by |
3605 |
* a normal completion, it completes exceptionally |
3606 |
*/ |
3607 |
public void testWhenComplete_actionFailed() { |
3608 |
for (boolean createIncomplete : new boolean[] { true, false }) |
3609 |
for (ExecutionMode m : ExecutionMode.values()) |
3610 |
for (Integer v1 : new Integer[] { 1, null }) { |
3611 |
|
3612 |
final AtomicInteger a = new AtomicInteger(0); |
3613 |
final CFException ex = new CFException(); |
3614 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3615 |
if (!createIncomplete) f.complete(v1); |
3616 |
final CompletableFuture<Integer> g = m.whenComplete |
3617 |
(f, |
3618 |
(Integer x, Throwable t) -> { |
3619 |
threadAssertSame(x, v1); |
3620 |
threadAssertNull(t); |
3621 |
a.getAndIncrement(); |
3622 |
throw ex; |
3623 |
}); |
3624 |
if (createIncomplete) f.complete(v1); |
3625 |
checkCompletedNormally(f, v1); |
3626 |
checkCompletedWithWrappedCFException(g, ex); |
3627 |
assertEquals(1, a.get()); |
3628 |
} |
3629 |
} |
3630 |
|
3631 |
/** |
3632 |
* If a whenComplete action throws an exception when triggered by |
3633 |
* a source completion that also throws an exception, the source |
3634 |
* exception takes precedence. |
3635 |
*/ |
3636 |
public void testWhenComplete_actionFailedSourceFailed() { |
3637 |
for (boolean createIncomplete : new boolean[] { true, false }) |
3638 |
for (ExecutionMode m : ExecutionMode.values()) |
3639 |
for (Integer v1 : new Integer[] { 1, null }) { |
3640 |
|
3641 |
final AtomicInteger a = new AtomicInteger(0); |
3642 |
final CFException ex1 = new CFException(); |
3643 |
final CFException ex2 = new CFException(); |
3644 |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3645 |
|
3646 |
if (!createIncomplete) f.completeExceptionally(ex1); |
3647 |
final CompletableFuture<Integer> g = m.whenComplete |
3648 |
(f, |
3649 |
(Integer x, Throwable t) -> { |
3650 |
threadAssertSame(t, ex1); |
3651 |
threadAssertNull(x); |
3652 |
a.getAndIncrement(); |
3653 |
throw ex2; |
3654 |
}); |
3655 |
if (createIncomplete) f.completeExceptionally(ex1); |
3656 |
|
3657 |
checkCompletedWithWrappedCFException(f, ex1); |
3658 |
checkCompletedWithWrappedCFException(g, ex1); |
3659 |
assertEquals(1, a.get()); |
3660 |
} |
3661 |
} |
3662 |
|
3663 |
} |