--- jsr166/src/test/tck/CompletableFutureTest.java 2014/06/06 16:54:16 1.63 +++ jsr166/src/test/tck/CompletableFutureTest.java 2014/06/17 18:09:28 1.90 @@ -105,8 +105,8 @@ public class CompletableFutureTest exten assertTrue(f.toString().contains("[Completed exceptionally]")); } - void checkCompletedWithWrappedCFException(CompletableFuture f, - CFException ex) { + void checkCompletedExceptionallyWithRootCause(CompletableFuture f, + Throwable ex) { try { f.get(LONG_DELAY_MS, MILLISECONDS); shouldThrow(); @@ -131,11 +131,32 @@ public class CompletableFutureTest exten } catch (ExecutionException success) { assertSame(ex, success.getCause()); } catch (Throwable fail) { threadUnexpectedException(fail); } + assertTrue(f.isDone()); assertFalse(f.isCancelled()); assertTrue(f.toString().contains("[Completed exceptionally]")); } + void checkCompletedWithWrappedException(CompletableFuture f, + Throwable ex) { + checkCompletedExceptionallyWithRootCause(f, ex); + try { + CompletableFuture spy = f.handle + ((U u, Throwable t) -> t); + assertTrue(spy.join() instanceof CompletionException); + assertSame(ex, spy.join().getCause()); + } catch (Throwable fail) { threadUnexpectedException(fail); } + } + + void checkCompletedExceptionally(CompletableFuture f, Throwable ex) { + checkCompletedExceptionallyWithRootCause(f, ex); + try { + CompletableFuture spy = f.handle + ((U u, Throwable t) -> t); + assertSame(ex, spy.join()); + } catch (Throwable fail) { threadUnexpectedException(fail); } + } + void checkCancelled(CompletableFuture f) { try { f.get(LONG_DELAY_MS, MILLISECONDS); @@ -206,11 +227,14 @@ public class CompletableFutureTest exten * isCancelled, join, get, and getNow */ public void testComplete() { + for (Integer v1 : new Integer[] { 1, null }) + { CompletableFuture f = new CompletableFuture<>(); checkIncomplete(f); - f.complete(one); - checkCompletedNormally(f, one); - } + assertTrue(f.complete(v1)); + assertFalse(f.complete(v1)); + checkCompletedNormally(f, v1); + }} /** * completeExceptionally completes exceptionally, as indicated by @@ -218,9 +242,10 @@ public class CompletableFutureTest exten */ public void testCompleteExceptionally() { CompletableFuture f = new CompletableFuture<>(); + CFException ex = new CFException(); checkIncomplete(f); - f.completeExceptionally(new CFException()); - checkCompletedWithWrappedCFException(f); + f.completeExceptionally(ex); + checkCompletedExceptionally(f, ex); } /** @@ -228,11 +253,14 @@ public class CompletableFutureTest exten * methods isDone, isCancelled, join, get, and getNow */ public void testCancel() { + for (boolean mayInterruptIfRunning : new boolean[] { true, false }) + { CompletableFuture f = new CompletableFuture<>(); checkIncomplete(f); assertTrue(f.cancel(true)); + assertTrue(f.cancel(true)); checkCancelled(f); - } + }} /** * obtrudeValue forces completion with given value @@ -240,7 +268,7 @@ public class CompletableFutureTest exten public void testObtrudeValue() { CompletableFuture f = new CompletableFuture<>(); checkIncomplete(f); - f.complete(one); + assertTrue(f.complete(one)); checkCompletedNormally(f, one); f.obtrudeValue(three); checkCompletedNormally(f, three); @@ -261,39 +289,58 @@ public class CompletableFutureTest exten * obtrudeException forces completion with given exception */ public void testObtrudeException() { - CompletableFuture f = new CompletableFuture<>(); - checkIncomplete(f); - f.complete(one); - checkCompletedNormally(f, one); - f.obtrudeException(new CFException()); - checkCompletedWithWrappedCFException(f); + for (Integer v1 : new Integer[] { 1, null }) + { + CFException ex; + CompletableFuture f; + f = new CompletableFuture<>(); - f.obtrudeException(new CFException()); - checkCompletedWithWrappedCFException(f); + assertTrue(f.complete(v1)); + for (int i = 0; i < 2; i++) { + f.obtrudeException(ex = new CFException()); + checkCompletedExceptionally(f, ex); + } + + f = new CompletableFuture<>(); + for (int i = 0; i < 2; i++) { + f.obtrudeException(ex = new CFException()); + checkCompletedExceptionally(f, ex); + } + f = new CompletableFuture<>(); + f.completeExceptionally(ex = new CFException()); + f.obtrudeValue(v1); + checkCompletedNormally(f, v1); + f.obtrudeException(ex = new CFException()); + checkCompletedExceptionally(f, ex); f.completeExceptionally(new CFException()); - f.obtrudeValue(four); - checkCompletedNormally(f, four); - f.obtrudeException(new CFException()); - checkCompletedWithWrappedCFException(f); - } + checkCompletedExceptionally(f, ex); + assertFalse(f.complete(v1)); + checkCompletedExceptionally(f, ex); + }} /** * getNumberOfDependents returns number of dependent tasks */ public void testGetNumberOfDependents() { + for (ExecutionMode m : ExecutionMode.values()) + for (Integer v1 : new Integer[] { 1, null }) + { CompletableFuture f = new CompletableFuture<>(); assertEquals(0, f.getNumberOfDependents()); - CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT)); + final CompletableFuture g = m.thenRun(f, new Noop(m)); assertEquals(1, f.getNumberOfDependents()); assertEquals(0, g.getNumberOfDependents()); - CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT)); + final CompletableFuture h = m.thenRun(f, new Noop(m)); assertEquals(2, f.getNumberOfDependents()); - f.complete(1); + assertEquals(0, h.getNumberOfDependents()); + assertTrue(f.complete(v1)); checkCompletedNormally(g, null); + checkCompletedNormally(h, null); assertEquals(0, f.getNumberOfDependents()); assertEquals(0, g.getNumberOfDependents()); - } + assertEquals(0, h.getNumberOfDependents()); + }} /** * toString indicates current completion state @@ -304,12 +351,18 @@ public class CompletableFutureTest exten f = new CompletableFuture(); assertTrue(f.toString().contains("[Not completed]")); - f.complete("foo"); + assertTrue(f.complete("foo")); assertTrue(f.toString().contains("[Completed normally]")); f = new CompletableFuture(); - f.completeExceptionally(new IndexOutOfBoundsException()); + assertTrue(f.completeExceptionally(new IndexOutOfBoundsException())); assertTrue(f.toString().contains("[Completed exceptionally]")); + + for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { + f = new CompletableFuture(); + assertTrue(f.cancel(mayInterruptIfRunning)); + assertTrue(f.toString().contains("[Completed exceptionally]")); + } } /** @@ -360,13 +413,13 @@ public class CompletableFutureTest exten return (x == null) ? null : x + 1; } - class IncAction extends CheckedIntegerAction + class NoopConsumer extends CheckedIntegerAction implements Consumer { - IncAction(ExecutionMode m) { super(m); } + NoopConsumer(ExecutionMode m) { super(m); } public void accept(Integer x) { invoked(); - value = inc(x); + value = x; } } @@ -486,7 +539,7 @@ public class CompletableFutureTest exten invoked(); value = x; CompletableFuture f = new CompletableFuture<>(); - f.complete(inc(x)); + assertTrue(f.complete(inc(x))); return f; } } @@ -794,21 +847,20 @@ public class CompletableFutureTest exten { final AtomicInteger a = new AtomicInteger(0); final CompletableFuture f = new CompletableFuture<>(); - if (!createIncomplete) f.complete(v1); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = f.exceptionally ((Throwable t) -> { // Should not be called a.getAndIncrement(); throw new AssertionError(); }); - if (createIncomplete) f.complete(v1); + if (createIncomplete) assertTrue(f.complete(v1)); checkCompletedNormally(g, v1); checkCompletedNormally(f, v1); assertEquals(0, a.get()); }} - /** * exceptionally action completes with function value on source * exception @@ -852,7 +904,150 @@ public class CompletableFutureTest exten }); if (createIncomplete) f.completeExceptionally(ex1); - checkCompletedWithWrappedCFException(g, ex2); + checkCompletedWithWrappedException(g, ex2); + assertEquals(1, a.get()); + }} + + /** + * whenComplete action executes on normal completion, propagating + * source result. + */ + public void testWhenComplete_normalCompletion1() { + for (ExecutionMode m : ExecutionMode.values()) + for (boolean createIncomplete : new boolean[] { true, false }) + for (Integer v1 : new Integer[] { 1, null }) + { + final AtomicInteger a = new AtomicInteger(0); + final CompletableFuture f = new CompletableFuture<>(); + if (!createIncomplete) assertTrue(f.complete(v1)); + final CompletableFuture g = m.whenComplete + (f, + (Integer x, Throwable t) -> { + m.checkExecutionMode(); + threadAssertSame(x, v1); + threadAssertNull(t); + a.getAndIncrement(); + }); + if (createIncomplete) assertTrue(f.complete(v1)); + + checkCompletedNormally(g, v1); + checkCompletedNormally(f, v1); + assertEquals(1, a.get()); + }} + + /** + * whenComplete action executes on exceptional completion, propagating + * source result. + */ + public void testWhenComplete_exceptionalCompletion() { + for (ExecutionMode m : ExecutionMode.values()) + for (boolean createIncomplete : new boolean[] { true, false }) + for (Integer v1 : new Integer[] { 1, null }) + { + final AtomicInteger a = new AtomicInteger(0); + final CFException ex = new CFException(); + final CompletableFuture f = new CompletableFuture<>(); + if (!createIncomplete) f.completeExceptionally(ex); + final CompletableFuture g = m.whenComplete + (f, + (Integer x, Throwable t) -> { + m.checkExecutionMode(); + threadAssertNull(x); + threadAssertSame(t, ex); + a.getAndIncrement(); + }); + if (createIncomplete) f.completeExceptionally(ex); + + checkCompletedWithWrappedException(g, ex); + checkCompletedExceptionally(f, ex); + assertEquals(1, a.get()); + }} + + /** + * whenComplete action executes on cancelled source, propagating + * CancellationException. + */ + public void testWhenComplete_sourceCancelled() { + for (ExecutionMode m : ExecutionMode.values()) + for (boolean mayInterruptIfRunning : new boolean[] { true, false }) + for (boolean createIncomplete : new boolean[] { true, false }) + { + final AtomicInteger a = new AtomicInteger(0); + final CompletableFuture f = new CompletableFuture<>(); + if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); + final CompletableFuture g = m.whenComplete + (f, + (Integer x, Throwable t) -> { + m.checkExecutionMode(); + threadAssertNull(x); + threadAssertTrue(t instanceof CancellationException); + a.getAndIncrement(); + }); + if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); + + checkCompletedWithWrappedCancellationException(g); + checkCancelled(f); + assertEquals(1, a.get()); + }} + + /** + * If a whenComplete action throws an exception when triggered by + * a normal completion, it completes exceptionally + */ + public void testWhenComplete_actionFailed() { + for (boolean createIncomplete : new boolean[] { true, false }) + for (ExecutionMode m : ExecutionMode.values()) + for (Integer v1 : new Integer[] { 1, null }) + { + final AtomicInteger a = new AtomicInteger(0); + final CFException ex = new CFException(); + final CompletableFuture f = new CompletableFuture<>(); + if (!createIncomplete) assertTrue(f.complete(v1)); + final CompletableFuture g = m.whenComplete + (f, + (Integer x, Throwable t) -> { + m.checkExecutionMode(); + threadAssertSame(x, v1); + threadAssertNull(t); + a.getAndIncrement(); + throw ex; + }); + if (createIncomplete) assertTrue(f.complete(v1)); + + checkCompletedWithWrappedException(g, ex); + checkCompletedNormally(f, v1); + assertEquals(1, a.get()); + }} + + /** + * If a whenComplete action throws an exception when triggered by + * a source completion that also throws an exception, the source + * exception takes precedence. + */ + public void testWhenComplete_actionFailedSourceFailed() { + for (boolean createIncomplete : new boolean[] { true, false }) + for (ExecutionMode m : ExecutionMode.values()) + for (Integer v1 : new Integer[] { 1, null }) + { + final AtomicInteger a = new AtomicInteger(0); + final CFException ex1 = new CFException(); + final CFException ex2 = new CFException(); + final CompletableFuture f = new CompletableFuture<>(); + + if (!createIncomplete) f.completeExceptionally(ex1); + final CompletableFuture g = m.whenComplete + (f, + (Integer x, Throwable t) -> { + m.checkExecutionMode(); + threadAssertSame(t, ex1); + threadAssertNull(x); + a.getAndIncrement(); + throw ex2; + }); + if (createIncomplete) f.completeExceptionally(ex1); + + checkCompletedWithWrappedException(g, ex1); + checkCompletedExceptionally(f, ex1); assertEquals(1, a.get()); }} @@ -867,7 +1062,7 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final AtomicInteger a = new AtomicInteger(0); - if (!createIncomplete) f.complete(v1); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = m.handle (f, (Integer x, Throwable t) -> { @@ -877,7 +1072,7 @@ public class CompletableFutureTest exten a.getAndIncrement(); return inc(v1); }); - if (createIncomplete) f.complete(v1); + if (createIncomplete) assertTrue(f.complete(v1)); checkCompletedNormally(g, inc(v1)); checkCompletedNormally(f, v1); @@ -909,7 +1104,7 @@ public class CompletableFutureTest exten if (createIncomplete) f.completeExceptionally(ex); checkCompletedNormally(g, v1); - checkCompletedWithWrappedCFException(f, ex); + checkCompletedExceptionally(f, ex); assertEquals(1, a.get()); }} @@ -965,8 +1160,8 @@ public class CompletableFutureTest exten }); if (createIncomplete) f.completeExceptionally(ex1); - checkCompletedWithWrappedCFException(g, ex2); - checkCompletedWithWrappedCFException(f, ex1); + checkCompletedWithWrappedException(g, ex2); + checkCompletedExceptionally(f, ex1); assertEquals(1, a.get()); }} @@ -978,7 +1173,7 @@ public class CompletableFutureTest exten final CompletableFuture f = new CompletableFuture<>(); final AtomicInteger a = new AtomicInteger(0); final CFException ex = new CFException(); - if (!createIncomplete) f.complete(v1); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = m.handle (f, (Integer x, Throwable t) -> { @@ -988,9 +1183,9 @@ public class CompletableFutureTest exten a.getAndIncrement(); throw ex; }); - if (createIncomplete) f.complete(v1); + if (createIncomplete) assertTrue(f.complete(v1)); - checkCompletedWithWrappedCFException(g, ex); + checkCompletedWithWrappedException(g, ex); checkCompletedNormally(f, v1); assertEquals(1, a.get()); }} @@ -1069,21 +1264,31 @@ public class CompletableFutureTest exten */ public void testThenRun_normalCompletion() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); - final Noop r = new Noop(m); - if (!createIncomplete) f.complete(v1); - final CompletableFuture g = m.thenRun(f, r); - if (createIncomplete) { - checkIncomplete(g); - f.complete(v1); - } + final Noop[] rs = new Noop[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); - checkCompletedNormally(g, null); + final CompletableFuture h0 = m.thenRun(f, rs[0]); + final CompletableFuture h1 = m.runAfterBoth(f, f, rs[1]); + final CompletableFuture h2 = m.runAfterEither(f, f, rs[2]); + checkIncomplete(h0); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(f.complete(v1)); + final CompletableFuture h3 = m.thenRun(f, rs[3]); + final CompletableFuture h4 = m.runAfterBoth(f, f, rs[4]); + final CompletableFuture h5 = m.runAfterEither(f, f, rs[5]); + + checkCompletedNormally(h0, null); + checkCompletedNormally(h1, null); + checkCompletedNormally(h2, null); + checkCompletedNormally(h3, null); + checkCompletedNormally(h4, null); + checkCompletedNormally(h5, null); checkCompletedNormally(f, v1); - r.assertInvoked(); + for (Noop r : rs) r.assertInvoked(); }} /** @@ -1092,21 +1297,31 @@ public class CompletableFutureTest exten */ public void testThenRun_exceptionalCompletion() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) { final CFException ex = new CFException(); final CompletableFuture f = new CompletableFuture<>(); - final Noop r = new Noop(m); - if (!createIncomplete) f.completeExceptionally(ex); - final CompletableFuture g = m.thenRun(f, r); - if (createIncomplete) { - checkIncomplete(g); - f.completeExceptionally(ex); - } + final Noop[] rs = new Noop[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); - checkCompletedWithWrappedCFException(g, ex); - checkCompletedWithWrappedCFException(f, ex); - r.assertNotInvoked(); + final CompletableFuture h0 = m.thenRun(f, rs[0]); + final CompletableFuture h1 = m.runAfterBoth(f, f, rs[1]); + final CompletableFuture h2 = m.runAfterEither(f, f, rs[2]); + checkIncomplete(h0); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(f.completeExceptionally(ex)); + final CompletableFuture h3 = m.thenRun(f, rs[3]); + final CompletableFuture h4 = m.runAfterBoth(f, f, rs[4]); + final CompletableFuture h5 = m.runAfterEither(f, f, rs[5]); + + checkCompletedWithWrappedException(h0, ex); + checkCompletedWithWrappedException(h1, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); + checkCompletedWithWrappedException(h4, ex); + checkCompletedWithWrappedException(h5, ex); + checkCompletedExceptionally(f, ex); + for (Noop r : rs) r.assertNotInvoked(); }} /** @@ -1114,21 +1329,31 @@ public class CompletableFutureTest exten */ public void testThenRun_sourceCancelled() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { final CompletableFuture f = new CompletableFuture<>(); - final Noop r = new Noop(m); - if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); - final CompletableFuture g = m.thenRun(f, r); - if (createIncomplete) { - checkIncomplete(g); - assertTrue(f.cancel(mayInterruptIfRunning)); - } + final Noop[] rs = new Noop[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); - checkCompletedWithWrappedCancellationException(g); + final CompletableFuture h0 = m.thenRun(f, rs[0]); + final CompletableFuture h1 = m.runAfterBoth(f, f, rs[1]); + final CompletableFuture h2 = m.runAfterEither(f, f, rs[2]); + checkIncomplete(h0); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(f.cancel(mayInterruptIfRunning)); + final CompletableFuture h3 = m.thenRun(f, rs[3]); + final CompletableFuture h4 = m.runAfterBoth(f, f, rs[4]); + final CompletableFuture h5 = m.runAfterEither(f, f, rs[5]); + + checkCompletedWithWrappedCancellationException(h0); + checkCompletedWithWrappedCancellationException(h1); + checkCompletedWithWrappedCancellationException(h2); + checkCompletedWithWrappedCancellationException(h3); + checkCompletedWithWrappedCancellationException(h4); + checkCompletedWithWrappedCancellationException(h5); checkCancelled(f); - r.assertNotInvoked(); + for (Noop r : rs) r.assertNotInvoked(); }} /** @@ -1136,19 +1361,27 @@ public class CompletableFutureTest exten */ public void testThenRun_actionFailed() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); + final FailingRunnable[] rs = new FailingRunnable[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m); + + final CompletableFuture h0 = m.thenRun(f, rs[0]); + final CompletableFuture h1 = m.runAfterBoth(f, f, rs[1]); + final CompletableFuture h2 = m.runAfterEither(f, f, rs[2]); final FailingRunnable r = new FailingRunnable(m); - if (!createIncomplete) f.complete(v1); - final CompletableFuture g = m.thenRun(f, r); - if (createIncomplete) { - checkIncomplete(g); - f.complete(v1); - } + assertTrue(f.complete(v1)); + final CompletableFuture h3 = m.thenRun(f, rs[3]); + final CompletableFuture h4 = m.runAfterBoth(f, f, rs[4]); + final CompletableFuture h5 = m.runAfterEither(f, f, rs[5]); - checkCompletedWithWrappedCFException(g); + checkCompletedWithWrappedCFException(h0); + checkCompletedWithWrappedCFException(h1); + checkCompletedWithWrappedCFException(h2); + checkCompletedWithWrappedCFException(h3); + checkCompletedWithWrappedCFException(h4); + checkCompletedWithWrappedCFException(h5); checkCompletedNormally(f, v1); }} @@ -1162,16 +1395,16 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final IncFunction r = new IncFunction(m); - if (!createIncomplete) f.complete(v1); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = m.thenApply(f, r); if (createIncomplete) { checkIncomplete(g); - f.complete(v1); + assertTrue(f.complete(v1)); } checkCompletedNormally(g, inc(v1)); checkCompletedNormally(f, v1); - r.assertInvoked(); + r.assertValue(inc(v1)); }} /** @@ -1192,8 +1425,8 @@ public class CompletableFutureTest exten f.completeExceptionally(ex); } - checkCompletedWithWrappedCFException(g, ex); - checkCompletedWithWrappedCFException(f, ex); + checkCompletedWithWrappedException(g, ex); + checkCompletedExceptionally(f, ex); r.assertNotInvoked(); }} @@ -1229,11 +1462,11 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final FailingFunction r = new FailingFunction(m); - if (!createIncomplete) f.complete(v1); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = m.thenApply(f, r); if (createIncomplete) { checkIncomplete(g); - f.complete(v1); + assertTrue(f.complete(v1)); } checkCompletedWithWrappedCFException(g); @@ -1249,18 +1482,17 @@ public class CompletableFutureTest exten for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); - final IncAction r = new IncAction(m); - if (!createIncomplete) f.complete(v1); + final NoopConsumer r = new NoopConsumer(m); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = m.thenAccept(f, r); if (createIncomplete) { checkIncomplete(g); - f.complete(v1); + assertTrue(f.complete(v1)); } checkCompletedNormally(g, null); + r.assertValue(v1); checkCompletedNormally(f, v1); - r.assertInvoked(); - r.assertValue(inc(v1)); }} /** @@ -1273,7 +1505,7 @@ public class CompletableFutureTest exten { final CFException ex = new CFException(); final CompletableFuture f = new CompletableFuture<>(); - final IncAction r = new IncAction(m); + final NoopConsumer r = new NoopConsumer(m); if (!createIncomplete) f.completeExceptionally(ex); final CompletableFuture g = m.thenAccept(f, r); if (createIncomplete) { @@ -1281,8 +1513,8 @@ public class CompletableFutureTest exten f.completeExceptionally(ex); } - checkCompletedWithWrappedCFException(g, ex); - checkCompletedWithWrappedCFException(f, ex); + checkCompletedWithWrappedException(g, ex); + checkCompletedExceptionally(f, ex); r.assertNotInvoked(); }} @@ -1295,7 +1527,7 @@ public class CompletableFutureTest exten for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { final CompletableFuture f = new CompletableFuture<>(); - final IncAction r = new IncAction(m); + final NoopConsumer r = new NoopConsumer(m); if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); final CompletableFuture g = m.thenAccept(f, r); if (createIncomplete) { @@ -1335,88 +1567,126 @@ public class CompletableFutureTest exten */ public void testThenCombine_normalCompletion() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) for (Integer v2 : new Integer[] { 2, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final SubtractFunction r = new SubtractFunction(m); - - if (fFirst) f.complete(v1); else g.complete(v2); - if (!createIncomplete) - if (!fFirst) f.complete(v1); else g.complete(v2); - final CompletableFuture h = m.thenCombine(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - r.assertNotInvoked(); - if (!fFirst) f.complete(v1); else g.complete(v2); - } - - checkCompletedNormally(h, subtract(v1, v2)); + final SubtractFunction r1 = new SubtractFunction(m); + final SubtractFunction r2 = new SubtractFunction(m); + final SubtractFunction r3 = new SubtractFunction(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Integer w1 = fFirst ? v1 : v2; + final Integer w2 = !fFirst ? v1 : v2; + + final CompletableFuture h1 = m.thenCombine(f, g, r1); + assertTrue(fst.complete(w1)); + final CompletableFuture h2 = m.thenCombine(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + assertTrue(snd.complete(w2)); + final CompletableFuture h3 = m.thenCombine(f, g, r3); + + checkCompletedNormally(h1, subtract(v1, v2)); + checkCompletedNormally(h2, subtract(v1, v2)); + checkCompletedNormally(h3, subtract(v1, v2)); + r1.assertValue(subtract(v1, v2)); + r2.assertValue(subtract(v1, v2)); + r3.assertValue(subtract(v1, v2)); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); - r.assertInvoked(); }} /** * thenCombine result completes exceptionally after exceptional * completion of either source */ - public void testThenCombine_exceptionalCompletion() { + public void testThenCombine_exceptionalCompletion() throws Throwable { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) + for (boolean failFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); final CFException ex = new CFException(); - final SubtractFunction r = new SubtractFunction(m); - - (fFirst ? f : g).complete(v1); - if (!createIncomplete) - (!fFirst ? f : g).completeExceptionally(ex); - final CompletableFuture h = m.thenCombine(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - (!fFirst ? f : g).completeExceptionally(ex); - } - - checkCompletedWithWrappedCFException(h, ex); - r.assertNotInvoked(); - checkCompletedNormally(fFirst ? f : g, v1); - checkCompletedWithWrappedCFException(!fFirst ? f : g, ex); + final SubtractFunction r1 = new SubtractFunction(m); + final SubtractFunction r2 = new SubtractFunction(m); + final SubtractFunction r3 = new SubtractFunction(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Callable complete1 = failFirst ? + () -> fst.completeExceptionally(ex) : + () -> fst.complete(v1); + final Callable complete2 = failFirst ? + () -> snd.complete(v1) : + () -> snd.completeExceptionally(ex); + + final CompletableFuture h1 = m.thenCombine(f, g, r1); + assertTrue(complete1.call()); + final CompletableFuture h2 = m.thenCombine(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(complete2.call()); + final CompletableFuture h3 = m.thenCombine(f, g, r3); + + checkCompletedWithWrappedException(h1, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + r3.assertNotInvoked(); + checkCompletedNormally(failFirst ? snd : fst, v1); + checkCompletedExceptionally(failFirst ? fst : snd, ex); }} /** * thenCombine result completes exceptionally if either source cancelled */ - public void testThenCombine_sourceCancelled() { + public void testThenCombine_sourceCancelled() throws Throwable { for (ExecutionMode m : ExecutionMode.values()) for (boolean mayInterruptIfRunning : new boolean[] { true, false }) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) + for (boolean failFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final SubtractFunction r = new SubtractFunction(m); + final SubtractFunction r1 = new SubtractFunction(m); + final SubtractFunction r2 = new SubtractFunction(m); + final SubtractFunction r3 = new SubtractFunction(m); - (fFirst ? f : g).complete(v1); - if (!createIncomplete) - assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); - final CompletableFuture h = m.thenCombine(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); - } + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Callable complete1 = failFirst ? + () -> fst.cancel(mayInterruptIfRunning) : + () -> fst.complete(v1); + final Callable complete2 = failFirst ? + () -> snd.complete(v1) : + () -> snd.cancel(mayInterruptIfRunning); - checkCompletedWithWrappedCancellationException(h); - checkCancelled(!fFirst ? f : g); - r.assertNotInvoked(); - checkCompletedNormally(fFirst ? f : g, v1); + final CompletableFuture h1 = m.thenCombine(f, g, r1); + assertTrue(complete1.call()); + final CompletableFuture h2 = m.thenCombine(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(complete2.call()); + final CompletableFuture h3 = m.thenCombine(f, g, r3); + + checkCompletedWithWrappedCancellationException(h1); + checkCompletedWithWrappedCancellationException(h2); + checkCompletedWithWrappedCancellationException(h3); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + r3.assertNotInvoked(); + checkCompletedNormally(failFirst ? snd : fst, v1); + checkCancelled(failFirst ? fst : snd); }} /** @@ -1430,18 +1700,27 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final FailingBiFunction r = new FailingBiFunction(m); - final CompletableFuture h = m.thenCombine(f, g, r); + final FailingBiFunction r1 = new FailingBiFunction(m); + final FailingBiFunction r2 = new FailingBiFunction(m); + final FailingBiFunction r3 = new FailingBiFunction(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Integer w1 = fFirst ? v1 : v2; + final Integer w2 = !fFirst ? v1 : v2; + + final CompletableFuture h1 = m.thenCombine(f, g, r1); + assertTrue(fst.complete(w1)); + final CompletableFuture h2 = m.thenCombine(f, g, r2); + assertTrue(snd.complete(w2)); + final CompletableFuture h3 = m.thenCombine(f, g, r3); - if (fFirst) { - f.complete(v1); - g.complete(v2); - } else { - g.complete(v2); - f.complete(v1); - } - - checkCompletedWithWrappedCFException(h); + checkCompletedWithWrappedCFException(h1); + checkCompletedWithWrappedCFException(h2); + checkCompletedWithWrappedCFException(h3); + r1.assertInvoked(); + r2.assertInvoked(); + r3.assertInvoked(); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); }} @@ -1452,27 +1731,37 @@ public class CompletableFutureTest exten */ public void testThenAcceptBoth_normalCompletion() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) for (Integer v2 : new Integer[] { 2, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final SubtractAction r = new SubtractAction(m); - - if (fFirst) f.complete(v1); else g.complete(v2); - if (!createIncomplete) - if (!fFirst) f.complete(v1); else g.complete(v2); - final CompletableFuture h = m.thenAcceptBoth(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - r.assertNotInvoked(); - if (!fFirst) f.complete(v1); else g.complete(v2); - } + final SubtractAction r1 = new SubtractAction(m); + final SubtractAction r2 = new SubtractAction(m); + final SubtractAction r3 = new SubtractAction(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Integer w1 = fFirst ? v1 : v2; + final Integer w2 = !fFirst ? v1 : v2; + + final CompletableFuture h1 = m.thenAcceptBoth(f, g, r1); + assertTrue(fst.complete(w1)); + final CompletableFuture h2 = m.thenAcceptBoth(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + assertTrue(snd.complete(w2)); + final CompletableFuture h3 = m.thenAcceptBoth(f, g, r3); - checkCompletedNormally(h, null); - r.assertValue(subtract(v1, v2)); + checkCompletedNormally(h1, null); + checkCompletedNormally(h2, null); + checkCompletedNormally(h3, null); + r1.assertValue(subtract(v1, v2)); + r2.assertValue(subtract(v1, v2)); + r3.assertValue(subtract(v1, v2)); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); }} @@ -1481,59 +1770,87 @@ public class CompletableFutureTest exten * thenAcceptBoth result completes exceptionally after exceptional * completion of either source */ - public void testThenAcceptBoth_exceptionalCompletion() { + public void testThenAcceptBoth_exceptionalCompletion() throws Throwable { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) + for (boolean failFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); final CFException ex = new CFException(); - final SubtractAction r = new SubtractAction(m); - - (fFirst ? f : g).complete(v1); - if (!createIncomplete) - (!fFirst ? f : g).completeExceptionally(ex); - final CompletableFuture h = m.thenAcceptBoth(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - (!fFirst ? f : g).completeExceptionally(ex); - } - - checkCompletedWithWrappedCFException(h, ex); - r.assertNotInvoked(); - checkCompletedNormally(fFirst ? f : g, v1); - checkCompletedWithWrappedCFException(!fFirst ? f : g, ex); + final SubtractAction r1 = new SubtractAction(m); + final SubtractAction r2 = new SubtractAction(m); + final SubtractAction r3 = new SubtractAction(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Callable complete1 = failFirst ? + () -> fst.completeExceptionally(ex) : + () -> fst.complete(v1); + final Callable complete2 = failFirst ? + () -> snd.complete(v1) : + () -> snd.completeExceptionally(ex); + + final CompletableFuture h1 = m.thenAcceptBoth(f, g, r1); + assertTrue(complete1.call()); + final CompletableFuture h2 = m.thenAcceptBoth(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(complete2.call()); + final CompletableFuture h3 = m.thenAcceptBoth(f, g, r3); + + checkCompletedWithWrappedException(h1, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + r3.assertNotInvoked(); + checkCompletedNormally(failFirst ? snd : fst, v1); + checkCompletedExceptionally(failFirst ? fst : snd, ex); }} /** * thenAcceptBoth result completes exceptionally if either source cancelled */ - public void testThenAcceptBoth_sourceCancelled() { + public void testThenAcceptBoth_sourceCancelled() throws Throwable { for (ExecutionMode m : ExecutionMode.values()) for (boolean mayInterruptIfRunning : new boolean[] { true, false }) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) + for (boolean failFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final SubtractAction r = new SubtractAction(m); + final SubtractAction r1 = new SubtractAction(m); + final SubtractAction r2 = new SubtractAction(m); + final SubtractAction r3 = new SubtractAction(m); - (fFirst ? f : g).complete(v1); - if (!createIncomplete) - assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); - final CompletableFuture h = m.thenAcceptBoth(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); - } + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Callable complete1 = failFirst ? + () -> fst.cancel(mayInterruptIfRunning) : + () -> fst.complete(v1); + final Callable complete2 = failFirst ? + () -> snd.complete(v1) : + () -> snd.cancel(mayInterruptIfRunning); - checkCompletedWithWrappedCancellationException(h); - checkCancelled(!fFirst ? f : g); - r.assertNotInvoked(); - checkCompletedNormally(fFirst ? f : g, v1); + final CompletableFuture h1 = m.thenAcceptBoth(f, g, r1); + assertTrue(complete1.call()); + final CompletableFuture h2 = m.thenAcceptBoth(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(complete2.call()); + final CompletableFuture h3 = m.thenAcceptBoth(f, g, r3); + + checkCompletedWithWrappedCancellationException(h1); + checkCompletedWithWrappedCancellationException(h2); + checkCompletedWithWrappedCancellationException(h3); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + r3.assertNotInvoked(); + checkCompletedNormally(failFirst ? snd : fst, v1); + checkCancelled(failFirst ? fst : snd); }} /** @@ -1547,18 +1864,27 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final FailingBiConsumer r = new FailingBiConsumer(m); - final CompletableFuture h = m.thenAcceptBoth(f, g, r); + final FailingBiConsumer r1 = new FailingBiConsumer(m); + final FailingBiConsumer r2 = new FailingBiConsumer(m); + final FailingBiConsumer r3 = new FailingBiConsumer(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Integer w1 = fFirst ? v1 : v2; + final Integer w2 = !fFirst ? v1 : v2; + + final CompletableFuture h1 = m.thenAcceptBoth(f, g, r1); + assertTrue(fst.complete(w1)); + final CompletableFuture h2 = m.thenAcceptBoth(f, g, r2); + assertTrue(snd.complete(w2)); + final CompletableFuture h3 = m.thenAcceptBoth(f, g, r3); - if (fFirst) { - f.complete(v1); - g.complete(v2); - } else { - g.complete(v2); - f.complete(v1); - } - - checkCompletedWithWrappedCFException(h); + checkCompletedWithWrappedCFException(h1); + checkCompletedWithWrappedCFException(h2); + checkCompletedWithWrappedCFException(h3); + r1.assertInvoked(); + r2.assertInvoked(); + r3.assertInvoked(); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); }} @@ -1569,27 +1895,37 @@ public class CompletableFutureTest exten */ public void testRunAfterBoth_normalCompletion() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) for (Integer v2 : new Integer[] { 2, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - - if (fFirst) f.complete(v1); else g.complete(v2); - if (!createIncomplete) - if (!fFirst) f.complete(v1); else g.complete(v2); - final CompletableFuture h = m.runAfterBoth(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - r.assertNotInvoked(); - if (!fFirst) f.complete(v1); else g.complete(v2); - } + final Noop r1 = new Noop(m); + final Noop r2 = new Noop(m); + final Noop r3 = new Noop(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Integer w1 = fFirst ? v1 : v2; + final Integer w2 = !fFirst ? v1 : v2; + + final CompletableFuture h1 = m.runAfterBoth(f, g, r1); + assertTrue(fst.complete(w1)); + final CompletableFuture h2 = m.runAfterBoth(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + assertTrue(snd.complete(w2)); + final CompletableFuture h3 = m.runAfterBoth(f, g, r3); - checkCompletedNormally(h, null); - r.assertInvoked(); + checkCompletedNormally(h1, null); + checkCompletedNormally(h2, null); + checkCompletedNormally(h3, null); + r1.assertInvoked(); + r2.assertInvoked(); + r3.assertInvoked(); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); }} @@ -1598,60 +1934,87 @@ public class CompletableFutureTest exten * runAfterBoth result completes exceptionally after exceptional * completion of either source */ - public void testRunAfterBoth_exceptionalCompletion() { + public void testRunAfterBoth_exceptionalCompletion() throws Throwable { for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) + for (boolean failFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); final CFException ex = new CFException(); - final Noop r = new Noop(m); - - (fFirst ? f : g).complete(v1); - if (!createIncomplete) - (!fFirst ? f : g).completeExceptionally(ex); - final CompletableFuture h = m.runAfterBoth(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - (!fFirst ? f : g).completeExceptionally(ex); - } - - checkCompletedWithWrappedCFException(h, ex); - r.assertNotInvoked(); - checkCompletedNormally(fFirst ? f : g, v1); - checkCompletedWithWrappedCFException(!fFirst ? f : g, ex); + final Noop r1 = new Noop(m); + final Noop r2 = new Noop(m); + final Noop r3 = new Noop(m); + + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Callable complete1 = failFirst ? + () -> fst.completeExceptionally(ex) : + () -> fst.complete(v1); + final Callable complete2 = failFirst ? + () -> snd.complete(v1) : + () -> snd.completeExceptionally(ex); + + final CompletableFuture h1 = m.runAfterBoth(f, g, r1); + assertTrue(complete1.call()); + final CompletableFuture h2 = m.runAfterBoth(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(complete2.call()); + final CompletableFuture h3 = m.runAfterBoth(f, g, r3); + + checkCompletedWithWrappedException(h1, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + r3.assertNotInvoked(); + checkCompletedNormally(failFirst ? snd : fst, v1); + checkCompletedExceptionally(failFirst ? fst : snd, ex); }} /** * runAfterBoth result completes exceptionally if either source cancelled */ - public void testRunAfterBoth_sourceCancelled() { + public void testRunAfterBoth_sourceCancelled() throws Throwable { for (ExecutionMode m : ExecutionMode.values()) for (boolean mayInterruptIfRunning : new boolean[] { true, false }) - for (boolean createIncomplete : new boolean[] { true, false }) for (boolean fFirst : new boolean[] { true, false }) + for (boolean failFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); + final Noop r1 = new Noop(m); + final Noop r2 = new Noop(m); + final Noop r3 = new Noop(m); + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Callable complete1 = failFirst ? + () -> fst.cancel(mayInterruptIfRunning) : + () -> fst.complete(v1); + final Callable complete2 = failFirst ? + () -> snd.complete(v1) : + () -> snd.cancel(mayInterruptIfRunning); - (fFirst ? f : g).complete(v1); - if (!createIncomplete) - assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); - final CompletableFuture h = m.runAfterBoth(f, g, r); - if (createIncomplete) { - checkIncomplete(h); - assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); - } + final CompletableFuture h1 = m.runAfterBoth(f, g, r1); + assertTrue(complete1.call()); + final CompletableFuture h2 = m.runAfterBoth(f, g, r2); + checkIncomplete(h1); + checkIncomplete(h2); + assertTrue(complete2.call()); + final CompletableFuture h3 = m.runAfterBoth(f, g, r3); - checkCompletedWithWrappedCancellationException(h); - checkCancelled(!fFirst ? f : g); - r.assertNotInvoked(); - checkCompletedNormally(fFirst ? f : g, v1); + checkCompletedWithWrappedCancellationException(h1); + checkCompletedWithWrappedCancellationException(h2); + checkCompletedWithWrappedCancellationException(h3); + r1.assertNotInvoked(); + r2.assertNotInvoked(); + r3.assertNotInvoked(); + checkCompletedNormally(failFirst ? snd : fst, v1); + checkCancelled(failFirst ? fst : snd); }} /** @@ -1667,19 +2030,25 @@ public class CompletableFutureTest exten final CompletableFuture g = new CompletableFuture<>(); final FailingRunnable r1 = new FailingRunnable(m); final FailingRunnable r2 = new FailingRunnable(m); + final FailingRunnable r3 = new FailingRunnable(m); - CompletableFuture h1 = m.runAfterBoth(f, g, r1); - if (fFirst) { - f.complete(v1); - g.complete(v2); - } else { - g.complete(v2); - f.complete(v1); - } - CompletableFuture h2 = m.runAfterBoth(f, g, r2); + final CompletableFuture fst = fFirst ? f : g; + final CompletableFuture snd = !fFirst ? f : g; + final Integer w1 = fFirst ? v1 : v2; + final Integer w2 = !fFirst ? v1 : v2; + + final CompletableFuture h1 = m.runAfterBoth(f, g, r1); + assertTrue(fst.complete(w1)); + final CompletableFuture h2 = m.runAfterBoth(f, g, r2); + assertTrue(snd.complete(w2)); + final CompletableFuture h3 = m.runAfterBoth(f, g, r3); checkCompletedWithWrappedCFException(h1); checkCompletedWithWrappedCFException(h2); + checkCompletedWithWrappedCFException(h3); + r1.assertInvoked(); + r2.assertInvoked(); + r3.assertInvoked(); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); }} @@ -1753,12 +2122,12 @@ public class CompletableFutureTest exten rs[0].assertNotInvoked(); rs[1].assertNotInvoked(); f.completeExceptionally(ex); - checkCompletedWithWrappedCFException(h0, ex); - checkCompletedWithWrappedCFException(h1, ex); + checkCompletedWithWrappedException(h0, ex); + checkCompletedWithWrappedException(h1, ex); final CompletableFuture h2 = m.applyToEither(f, g, rs[2]); final CompletableFuture h3 = m.applyToEither(g, f, rs[3]); - checkCompletedWithWrappedCFException(h2, ex); - checkCompletedWithWrappedCFException(h3, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); g.complete(v1); // unspecified behavior - both source completions available @@ -1766,29 +2135,81 @@ public class CompletableFutureTest exten final CompletableFuture h5 = m.applyToEither(g, f, rs[5]); try { assertEquals(inc(v1), h4.join()); - rs[4].assertInvoked(); + rs[4].assertValue(inc(v1)); } catch (CompletionException ok) { - checkCompletedWithWrappedCFException(h4, ex); + checkCompletedWithWrappedException(h4, ex); rs[4].assertNotInvoked(); } try { assertEquals(inc(v1), h5.join()); - rs[5].assertInvoked(); + rs[5].assertValue(inc(v1)); } catch (CompletionException ok) { - checkCompletedWithWrappedCFException(h5, ex); + checkCompletedWithWrappedException(h5, ex); rs[5].assertNotInvoked(); } - checkCompletedWithWrappedCFException(f, ex); + checkCompletedExceptionally(f, ex); checkCompletedNormally(g, v1); - checkCompletedWithWrappedCFException(h0, ex); - checkCompletedWithWrappedCFException(h1, ex); - checkCompletedWithWrappedCFException(h2, ex); - checkCompletedWithWrappedCFException(h3, ex); - checkCompletedWithWrappedCFException(h4, ex); + checkCompletedWithWrappedException(h0, ex); + checkCompletedWithWrappedException(h1, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); + checkCompletedWithWrappedException(h4, ex); for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); }} + public void testApplyToEither_exceptionalCompletion2() { + for (ExecutionMode m : ExecutionMode.values()) + for (boolean fFirst : new boolean[] { true, false }) + for (Integer v1 : new Integer[] { 1, null }) + { + final CompletableFuture f = new CompletableFuture<>(); + final CompletableFuture g = new CompletableFuture<>(); + final CFException ex = new CFException(); + final IncFunction[] rs = new IncFunction[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); + + final CompletableFuture h0 = m.applyToEither(f, g, rs[0]); + final CompletableFuture h1 = m.applyToEither(g, f, rs[1]); + assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex)); + assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); + final CompletableFuture h2 = m.applyToEither(f, g, rs[2]); + final CompletableFuture h3 = m.applyToEither(g, f, rs[3]); + + // unspecified behavior - both source completions available + try { + assertEquals(inc(v1), h0.join()); + rs[0].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h0, ex); + rs[0].assertNotInvoked(); + } + try { + assertEquals(inc(v1), h1.join()); + rs[1].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h1, ex); + rs[1].assertNotInvoked(); + } + try { + assertEquals(inc(v1), h2.join()); + rs[2].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h2, ex); + rs[2].assertNotInvoked(); + } + try { + assertEquals(inc(v1), h3.join()); + rs[3].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h3, ex); + rs[3].assertNotInvoked(); + } + + checkCompletedNormally(f, v1); + checkCompletedExceptionally(g, ex); + }} + /** * applyToEither result completes exceptionally if either source cancelled */ @@ -1822,14 +2243,14 @@ public class CompletableFutureTest exten final CompletableFuture h5 = m.applyToEither(g, f, rs[5]); try { assertEquals(inc(v1), h4.join()); - rs[4].assertInvoked(); + rs[4].assertValue(inc(v1)); } catch (CompletionException ok) { checkCompletedWithWrappedCancellationException(h4); rs[4].assertNotInvoked(); } try { assertEquals(inc(v1), h5.join()); - rs[5].assertInvoked(); + rs[5].assertValue(inc(v1)); } catch (CompletionException ok) { checkCompletedWithWrappedCancellationException(h5); rs[5].assertNotInvoked(); @@ -1844,6 +2265,58 @@ public class CompletableFutureTest exten for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); }} + public void testApplyToEither_sourceCancelled2() { + for (ExecutionMode m : ExecutionMode.values()) + for (boolean mayInterruptIfRunning : new boolean[] { true, false }) + for (boolean fFirst : new boolean[] { true, false }) + for (Integer v1 : new Integer[] { 1, null }) + { + final CompletableFuture f = new CompletableFuture<>(); + final CompletableFuture g = new CompletableFuture<>(); + final IncFunction[] rs = new IncFunction[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); + + final CompletableFuture h0 = m.applyToEither(f, g, rs[0]); + final CompletableFuture h1 = m.applyToEither(g, f, rs[1]); + assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning)); + assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning)); + final CompletableFuture h2 = m.applyToEither(f, g, rs[2]); + final CompletableFuture h3 = m.applyToEither(g, f, rs[3]); + + // unspecified behavior - both source completions available + try { + assertEquals(inc(v1), h0.join()); + rs[0].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedCancellationException(h0); + rs[0].assertNotInvoked(); + } + try { + assertEquals(inc(v1), h1.join()); + rs[1].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedCancellationException(h1); + rs[1].assertNotInvoked(); + } + try { + assertEquals(inc(v1), h2.join()); + rs[2].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedCancellationException(h2); + rs[2].assertNotInvoked(); + } + try { + assertEquals(inc(v1), h3.join()); + rs[3].assertValue(inc(v1)); + } catch (CompletionException ok) { + checkCompletedWithWrappedCancellationException(h3); + rs[3].assertNotInvoked(); + } + + checkCompletedNormally(f, v1); + checkCancelled(g); + }} + /** * applyToEither result completes exceptionally if action does */ @@ -1896,8 +2369,8 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final IncAction[] rs = new IncAction[6]; - for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m); + final NoopConsumer[] rs = new NoopConsumer[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); final CompletableFuture h0 = m.acceptEither(f, g, rs[0]); final CompletableFuture h1 = m.acceptEither(g, f, rs[1]); @@ -1908,14 +2381,14 @@ public class CompletableFutureTest exten f.complete(v1); checkCompletedNormally(h0, null); checkCompletedNormally(h1, null); - rs[0].assertValue(inc(v1)); - rs[1].assertValue(inc(v1)); + rs[0].assertValue(v1); + rs[1].assertValue(v1); final CompletableFuture h2 = m.acceptEither(f, g, rs[2]); final CompletableFuture h3 = m.acceptEither(g, f, rs[3]); checkCompletedNormally(h2, null); checkCompletedNormally(h3, null); - rs[2].assertValue(inc(v1)); - rs[3].assertValue(inc(v1)); + rs[2].assertValue(v1); + rs[3].assertValue(v1); g.complete(v2); // unspecified behavior - both source completions available @@ -1923,10 +2396,10 @@ public class CompletableFutureTest exten final CompletableFuture h5 = m.acceptEither(g, f, rs[5]); checkCompletedNormally(h4, null); checkCompletedNormally(h5, null); - assertTrue(Objects.equals(inc(v1), rs[4].value) || - Objects.equals(inc(v2), rs[4].value)); - assertTrue(Objects.equals(inc(v1), rs[5].value) || - Objects.equals(inc(v2), rs[5].value)); + assertTrue(Objects.equals(v1, rs[4].value) || + Objects.equals(v2, rs[4].value)); + assertTrue(Objects.equals(v1, rs[5].value) || + Objects.equals(v2, rs[5].value)); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); @@ -1934,7 +2407,7 @@ public class CompletableFutureTest exten checkCompletedNormally(h1, null); checkCompletedNormally(h2, null); checkCompletedNormally(h3, null); - for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1)); + for (int i = 0; i < 4; i++) rs[i].assertValue(v1); }} /** @@ -1948,8 +2421,8 @@ public class CompletableFutureTest exten final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); final CFException ex = new CFException(); - final IncAction[] rs = new IncAction[6]; - for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m); + final NoopConsumer[] rs = new NoopConsumer[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); final CompletableFuture h0 = m.acceptEither(f, g, rs[0]); final CompletableFuture h1 = m.acceptEither(g, f, rs[1]); @@ -1958,12 +2431,12 @@ public class CompletableFutureTest exten rs[0].assertNotInvoked(); rs[1].assertNotInvoked(); f.completeExceptionally(ex); - checkCompletedWithWrappedCFException(h0, ex); - checkCompletedWithWrappedCFException(h1, ex); + checkCompletedWithWrappedException(h0, ex); + checkCompletedWithWrappedException(h1, ex); final CompletableFuture h2 = m.acceptEither(f, g, rs[2]); final CompletableFuture h3 = m.acceptEither(g, f, rs[3]); - checkCompletedWithWrappedCFException(h2, ex); - checkCompletedWithWrappedCFException(h3, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); g.complete(v1); @@ -1972,29 +2445,81 @@ public class CompletableFutureTest exten final CompletableFuture h5 = m.acceptEither(g, f, rs[5]); try { assertNull(h4.join()); - rs[4].assertValue(inc(v1)); + rs[4].assertValue(v1); } catch (CompletionException ok) { - checkCompletedWithWrappedCFException(h4, ex); + checkCompletedWithWrappedException(h4, ex); rs[4].assertNotInvoked(); } try { assertNull(h5.join()); - rs[5].assertValue(inc(v1)); + rs[5].assertValue(v1); } catch (CompletionException ok) { - checkCompletedWithWrappedCFException(h5, ex); + checkCompletedWithWrappedException(h5, ex); rs[5].assertNotInvoked(); } - checkCompletedWithWrappedCFException(f, ex); + checkCompletedExceptionally(f, ex); checkCompletedNormally(g, v1); - checkCompletedWithWrappedCFException(h0, ex); - checkCompletedWithWrappedCFException(h1, ex); - checkCompletedWithWrappedCFException(h2, ex); - checkCompletedWithWrappedCFException(h3, ex); - checkCompletedWithWrappedCFException(h4, ex); + checkCompletedWithWrappedException(h0, ex); + checkCompletedWithWrappedException(h1, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); + checkCompletedWithWrappedException(h4, ex); for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); }} + public void testAcceptEither_exceptionalCompletion2() { + for (ExecutionMode m : ExecutionMode.values()) + for (boolean fFirst : new boolean[] { true, false }) + for (Integer v1 : new Integer[] { 1, null }) + { + final CompletableFuture f = new CompletableFuture<>(); + final CompletableFuture g = new CompletableFuture<>(); + final CFException ex = new CFException(); + final NoopConsumer[] rs = new NoopConsumer[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); + + final CompletableFuture h0 = m.acceptEither(f, g, rs[0]); + final CompletableFuture h1 = m.acceptEither(g, f, rs[1]); + assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex)); + assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); + final CompletableFuture h2 = m.acceptEither(f, g, rs[2]); + final CompletableFuture h3 = m.acceptEither(g, f, rs[3]); + + // unspecified behavior - both source completions available + try { + assertEquals(null, h0.join()); + rs[0].assertValue(v1); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h0, ex); + rs[0].assertNotInvoked(); + } + try { + assertEquals(null, h1.join()); + rs[1].assertValue(v1); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h1, ex); + rs[1].assertNotInvoked(); + } + try { + assertEquals(null, h2.join()); + rs[2].assertValue(v1); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h2, ex); + rs[2].assertNotInvoked(); + } + try { + assertEquals(null, h3.join()); + rs[3].assertValue(v1); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h3, ex); + rs[3].assertNotInvoked(); + } + + checkCompletedNormally(f, v1); + checkCompletedExceptionally(g, ex); + }} + /** * acceptEither result completes exceptionally if either source cancelled */ @@ -2005,8 +2530,8 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final IncAction[] rs = new IncAction[6]; - for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m); + final NoopConsumer[] rs = new NoopConsumer[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); final CompletableFuture h0 = m.acceptEither(f, g, rs[0]); final CompletableFuture h1 = m.acceptEither(g, f, rs[1]); @@ -2029,14 +2554,14 @@ public class CompletableFutureTest exten final CompletableFuture h5 = m.acceptEither(g, f, rs[5]); try { assertNull(h4.join()); - rs[4].assertValue(inc(v1)); + rs[4].assertValue(v1); } catch (CompletionException ok) { checkCompletedWithWrappedCancellationException(h4); rs[4].assertNotInvoked(); } try { assertNull(h5.join()); - rs[5].assertValue(inc(v1)); + rs[5].assertValue(v1); } catch (CompletionException ok) { checkCompletedWithWrappedCancellationException(h5); rs[5].assertNotInvoked(); @@ -2096,297 +2621,248 @@ public class CompletableFutureTest exten * runAfterEither result completes normally after normal completion * of either source */ - public void testRunAfterEither_normalCompletion1() { + public void testRunAfterEither_normalCompletion() { for (ExecutionMode m : ExecutionMode.values()) for (Integer v1 : new Integer[] { 1, null }) for (Integer v2 : new Integer[] { 2, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CompletableFuture h = m.runAfterEither(f, g, r); + final Noop[] rs = new Noop[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); + final CompletableFuture h0 = m.runAfterEither(f, g, rs[0]); + final CompletableFuture h1 = m.runAfterEither(g, f, rs[1]); + checkIncomplete(h0); + checkIncomplete(h1); + rs[0].assertNotInvoked(); + rs[1].assertNotInvoked(); f.complete(v1); - checkCompletedNormally(h, null); - r.assertInvoked(); - g.complete(v2); - - checkCompletedNormally(f, v1); - checkCompletedNormally(g, v2); - checkCompletedNormally(h, null); - r.assertInvoked(); - }} - - public void testRunAfterEither_normalCompletion2() { - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - for (Integer v2 : new Integer[] { 2, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CompletableFuture h = m.runAfterEither(f, g, r); + checkCompletedNormally(h0, null); + checkCompletedNormally(h1, null); + rs[0].assertInvoked(); + rs[1].assertInvoked(); + final CompletableFuture h2 = m.runAfterEither(f, g, rs[2]); + final CompletableFuture h3 = m.runAfterEither(g, f, rs[3]); + checkCompletedNormally(h2, null); + checkCompletedNormally(h3, null); + rs[2].assertInvoked(); + rs[3].assertInvoked(); g.complete(v2); - checkCompletedNormally(h, null); - r.assertInvoked(); - f.complete(v1); - checkCompletedNormally(f, v1); - checkCompletedNormally(g, v2); - checkCompletedNormally(h, null); - r.assertInvoked(); - }} + final CompletableFuture h4 = m.runAfterEither(f, g, rs[4]); + final CompletableFuture h5 = m.runAfterEither(g, f, rs[5]); - public void testRunAfterEither_normalCompletion3() { - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - for (Integer v2 : new Integer[] { 2, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - - f.complete(v1); - g.complete(v2); - final CompletableFuture h = m.runAfterEither(f, g, r); - - checkCompletedNormally(h, null); checkCompletedNormally(f, v1); checkCompletedNormally(g, v2); - r.assertInvoked(); + checkCompletedNormally(h0, null); + checkCompletedNormally(h1, null); + checkCompletedNormally(h2, null); + checkCompletedNormally(h3, null); + checkCompletedNormally(h4, null); + checkCompletedNormally(h5, null); + for (int i = 0; i < 6; i++) rs[i].assertInvoked(); }} /** * runAfterEither result completes exceptionally after exceptional * completion of either source */ - public void testRunAfterEither_exceptionalCompletion1() { - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CompletableFuture h = m.runAfterEither(f, g, r); - final CFException ex = new CFException(); - - f.completeExceptionally(ex); - checkCompletedWithWrappedCFException(h, ex); - g.complete(v1); - - r.assertNotInvoked(); - checkCompletedNormally(g, v1); - checkCompletedWithWrappedCFException(f, ex); - checkCompletedWithWrappedCFException(h, ex); - }} - - public void testRunAfterEither_exceptionalCompletion2() { + public void testRunAfterEither_exceptionalCompletion() { for (ExecutionMode m : ExecutionMode.values()) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CompletableFuture h = m.runAfterEither(f, g, r); final CFException ex = new CFException(); + final Noop[] rs = new Noop[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); - g.completeExceptionally(ex); - checkCompletedWithWrappedCFException(h, ex); - f.complete(v1); - - r.assertNotInvoked(); - checkCompletedNormally(f, v1); - checkCompletedWithWrappedCFException(g, ex); - checkCompletedWithWrappedCFException(h, ex); - }} - - public void testRunAfterEither_exceptionalCompletion3() { - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CFException ex = new CFException(); + final CompletableFuture h0 = m.runAfterEither(f, g, rs[0]); + final CompletableFuture h1 = m.runAfterEither(g, f, rs[1]); + checkIncomplete(h0); + checkIncomplete(h1); + rs[0].assertNotInvoked(); + rs[1].assertNotInvoked(); + assertTrue(f.completeExceptionally(ex)); + checkCompletedWithWrappedException(h0, ex); + checkCompletedWithWrappedException(h1, ex); + final CompletableFuture h2 = m.runAfterEither(f, g, rs[2]); + final CompletableFuture h3 = m.runAfterEither(g, f, rs[3]); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); - g.completeExceptionally(ex); - f.complete(v1); - final CompletableFuture h = m.runAfterEither(f, g, r); + assertTrue(g.complete(v1)); - // unspecified behavior - Integer v; + // unspecified behavior - both source completions available + final CompletableFuture h4 = m.runAfterEither(f, g, rs[4]); + final CompletableFuture h5 = m.runAfterEither(g, f, rs[5]); try { - assertNull(h.join()); - r.assertInvoked(); + assertNull(h4.join()); + rs[4].assertInvoked(); } catch (CompletionException ok) { - checkCompletedWithWrappedCFException(h, ex); - r.assertNotInvoked(); + checkCompletedWithWrappedException(h4, ex); + rs[4].assertNotInvoked(); } - - checkCompletedWithWrappedCFException(g, ex); - checkCompletedNormally(f, v1); - }} - - public void testRunAfterEither_exceptionalCompletion4() { - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CFException ex = new CFException(); - - f.completeExceptionally(ex); - g.complete(v1); - final CompletableFuture h = m.runAfterEither(f, g, r); - - // unspecified behavior - Integer v; try { - assertNull(h.join()); - r.assertInvoked(); + assertNull(h5.join()); + rs[5].assertInvoked(); } catch (CompletionException ok) { - checkCompletedWithWrappedCFException(h, ex); - r.assertNotInvoked(); + checkCompletedWithWrappedException(h5, ex); + rs[5].assertNotInvoked(); } - checkCompletedWithWrappedCFException(f, ex); + checkCompletedExceptionally(f, ex); checkCompletedNormally(g, v1); + checkCompletedWithWrappedException(h0, ex); + checkCompletedWithWrappedException(h1, ex); + checkCompletedWithWrappedException(h2, ex); + checkCompletedWithWrappedException(h3, ex); + checkCompletedWithWrappedException(h4, ex); + for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); }} - /** - * runAfterEither result completes exceptionally if action does - */ - public void testRunAfterEither_actionFailed1() { + public void testRunAfterEither_exceptionalCompletion2() { for (ExecutionMode m : ExecutionMode.values()) + for (boolean fFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) - for (Integer v2 : new Integer[] { 2, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final FailingRunnable r = new FailingRunnable(m); - final CompletableFuture h = m.runAfterEither(f, g, r); + final CFException ex = new CFException(); + final Noop[] rs = new Noop[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); - f.complete(v1); - checkCompletedWithWrappedCFException(h); - g.complete(v2); - checkCompletedNormally(f, v1); - checkCompletedNormally(g, v2); - }} + final CompletableFuture h0 = m.runAfterEither(f, g, rs[0]); + final CompletableFuture h1 = m.runAfterEither(g, f, rs[1]); + assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex)); + assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); + final CompletableFuture h2 = m.runAfterEither(f, g, rs[2]); + final CompletableFuture h3 = m.runAfterEither(g, f, rs[3]); - public void testRunAfterEither_actionFailed2() { - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - for (Integer v2 : new Integer[] { 2, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final FailingRunnable r = new FailingRunnable(m); - final CompletableFuture h = m.runAfterEither(f, g, r); + // unspecified behavior - both source completions available + try { + assertEquals(null, h0.join()); + rs[0].assertInvoked(); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h0, ex); + rs[0].assertNotInvoked(); + } + try { + assertEquals(null, h1.join()); + rs[1].assertInvoked(); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h1, ex); + rs[1].assertNotInvoked(); + } + try { + assertEquals(null, h2.join()); + rs[2].assertInvoked(); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h2, ex); + rs[2].assertNotInvoked(); + } + try { + assertEquals(null, h3.join()); + rs[3].assertInvoked(); + } catch (CompletionException ok) { + checkCompletedWithWrappedException(h3, ex); + rs[3].assertNotInvoked(); + } - g.complete(v2); - checkCompletedWithWrappedCFException(h); - f.complete(v1); checkCompletedNormally(f, v1); - checkCompletedNormally(g, v2); + checkCompletedExceptionally(g, ex); }} /** * runAfterEither result completes exceptionally if either source cancelled */ - public void testRunAfterEither_sourceCancelled1() { - for (ExecutionMode m : ExecutionMode.values()) - for (boolean mayInterruptIfRunning : new boolean[] { true, false }) - for (Integer v1 : new Integer[] { 1, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CompletableFuture h = m.runAfterEither(f, g, r); - - assertTrue(f.cancel(mayInterruptIfRunning)); - checkCompletedWithWrappedCancellationException(h); - g.complete(v1); - - checkCancelled(f); - r.assertNotInvoked(); - checkCompletedNormally(g, v1); - checkCompletedWithWrappedCancellationException(h); - }} - - public void testRunAfterEither_sourceCancelled2() { + public void testRunAfterEither_sourceCancelled() { for (ExecutionMode m : ExecutionMode.values()) for (boolean mayInterruptIfRunning : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - final CompletableFuture h = m.runAfterEither(f, g, r); - - assertTrue(g.cancel(mayInterruptIfRunning)); - checkCompletedWithWrappedCancellationException(h); - f.complete(v1); - - checkCancelled(g); - r.assertNotInvoked(); - checkCompletedNormally(f, v1); - checkCompletedWithWrappedCancellationException(h); - }} + final Noop[] rs = new Noop[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); - public void testRunAfterEither_sourceCancelled3() { - for (ExecutionMode m : ExecutionMode.values()) - for (boolean mayInterruptIfRunning : new boolean[] { true, false }) - for (Integer v1 : new Integer[] { 1, null }) - { - final CompletableFuture f = new CompletableFuture<>(); - final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); + final CompletableFuture h0 = m.runAfterEither(f, g, rs[0]); + final CompletableFuture h1 = m.runAfterEither(g, f, rs[1]); + checkIncomplete(h0); + checkIncomplete(h1); + rs[0].assertNotInvoked(); + rs[1].assertNotInvoked(); + f.cancel(mayInterruptIfRunning); + checkCompletedWithWrappedCancellationException(h0); + checkCompletedWithWrappedCancellationException(h1); + final CompletableFuture h2 = m.runAfterEither(f, g, rs[2]); + final CompletableFuture h3 = m.runAfterEither(g, f, rs[3]); + checkCompletedWithWrappedCancellationException(h2); + checkCompletedWithWrappedCancellationException(h3); - assertTrue(g.cancel(mayInterruptIfRunning)); - f.complete(v1); - final CompletableFuture h = m.runAfterEither(f, g, r); + assertTrue(g.complete(v1)); - // unspecified behavior - Integer v; + // unspecified behavior - both source completions available + final CompletableFuture h4 = m.runAfterEither(f, g, rs[4]); + final CompletableFuture h5 = m.runAfterEither(g, f, rs[5]); try { - assertNull(h.join()); - r.assertInvoked(); + assertNull(h4.join()); + rs[4].assertInvoked(); + } catch (CompletionException ok) { + checkCompletedWithWrappedCancellationException(h4); + rs[4].assertNotInvoked(); + } + try { + assertNull(h5.join()); + rs[5].assertInvoked(); } catch (CompletionException ok) { - checkCompletedWithWrappedCancellationException(h); - r.assertNotInvoked(); + checkCompletedWithWrappedCancellationException(h5); + rs[5].assertNotInvoked(); } - checkCancelled(g); - checkCompletedNormally(f, v1); + checkCancelled(f); + checkCompletedNormally(g, v1); + checkCompletedWithWrappedCancellationException(h0); + checkCompletedWithWrappedCancellationException(h1); + checkCompletedWithWrappedCancellationException(h2); + checkCompletedWithWrappedCancellationException(h3); + for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); }} - public void testRunAfterEither_sourceCancelled4() { + /** + * runAfterEither result completes exceptionally if action does + */ + public void testRunAfterEither_actionFailed() { for (ExecutionMode m : ExecutionMode.values()) - for (boolean mayInterruptIfRunning : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) + for (Integer v2 : new Integer[] { 2, null }) { final CompletableFuture f = new CompletableFuture<>(); final CompletableFuture g = new CompletableFuture<>(); - final Noop r = new Noop(m); - - assertTrue(f.cancel(mayInterruptIfRunning)); - g.complete(v1); - final CompletableFuture h = m.runAfterEither(f, g, r); + final FailingRunnable[] rs = new FailingRunnable[6]; + for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m); - // unspecified behavior - Integer v; - try { - assertNull(h.join()); - r.assertInvoked(); - } catch (CompletionException ok) { - checkCompletedWithWrappedCancellationException(h); - r.assertNotInvoked(); - } + final CompletableFuture h0 = m.runAfterEither(f, g, rs[0]); + final CompletableFuture h1 = m.runAfterEither(g, f, rs[1]); + assertTrue(f.complete(v1)); + final CompletableFuture h2 = m.runAfterEither(f, g, rs[2]); + final CompletableFuture h3 = m.runAfterEither(g, f, rs[3]); + checkCompletedWithWrappedCFException(h0); + checkCompletedWithWrappedCFException(h1); + checkCompletedWithWrappedCFException(h2); + checkCompletedWithWrappedCFException(h3); + for (int i = 0; i < 4; i++) rs[i].assertInvoked(); + assertTrue(g.complete(v2)); + final CompletableFuture h4 = m.runAfterEither(f, g, rs[4]); + final CompletableFuture h5 = m.runAfterEither(g, f, rs[5]); + checkCompletedWithWrappedCFException(h4); + checkCompletedWithWrappedCFException(h5); - checkCancelled(f); - checkCompletedNormally(g, v1); + checkCompletedNormally(f, v1); + checkCompletedNormally(g, v2); + for (int i = 0; i < 6; i++) rs[i].assertInvoked(); }} /** @@ -2399,13 +2875,13 @@ public class CompletableFutureTest exten { final CompletableFuture f = new CompletableFuture<>(); final CompletableFutureInc r = new CompletableFutureInc(m); - if (!createIncomplete) f.complete(v1); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = m.thenCompose(f, r); - if (createIncomplete) f.complete(v1); + if (createIncomplete) assertTrue(f.complete(v1)); checkCompletedNormally(g, inc(v1)); checkCompletedNormally(f, v1); - r.assertInvoked(); + r.assertValue(v1); }} /** @@ -2423,8 +2899,8 @@ public class CompletableFutureTest exten final CompletableFuture g = m.thenCompose(f, r); if (createIncomplete) f.completeExceptionally(ex); - checkCompletedWithWrappedCFException(g, ex); - checkCompletedWithWrappedCFException(f, ex); + checkCompletedWithWrappedException(g, ex); + checkCompletedExceptionally(f, ex); r.assertNotInvoked(); }} @@ -2439,9 +2915,9 @@ public class CompletableFutureTest exten final CompletableFuture f = new CompletableFuture<>(); final FailingCompletableFutureFunction r = new FailingCompletableFutureFunction(m); - if (!createIncomplete) f.complete(v1); + if (!createIncomplete) assertTrue(f.complete(v1)); final CompletableFuture g = m.thenCompose(f, r); - if (createIncomplete) f.complete(v1); + if (createIncomplete) assertTrue(f.complete(v1)); checkCompletedWithWrappedCFException(g); checkCompletedNormally(f, v1); @@ -2484,13 +2960,13 @@ public class CompletableFutureTest exten * when all components complete normally */ public void testAllOf_normal() throws Exception { - for (int k = 1; k < 20; ++k) { + for (int k = 1; k < 10; k++) { CompletableFuture[] fs = (CompletableFuture[]) new CompletableFuture[k]; - for (int i = 0; i < k; ++i) + for (int i = 0; i < k; i++) fs[i] = new CompletableFuture<>(); CompletableFuture f = CompletableFuture.allOf(fs); - for (int i = 0; i < k; ++i) { + for (int i = 0; i < k; i++) { checkIncomplete(f); checkIncomplete(CompletableFuture.allOf(fs)); fs[i].complete(one); @@ -2501,10 +2977,10 @@ public class CompletableFutureTest exten } public void testAllOf_backwards() throws Exception { - for (int k = 1; k < 20; ++k) { + for (int k = 1; k < 10; k++) { CompletableFuture[] fs = (CompletableFuture[]) new CompletableFuture[k]; - for (int i = 0; i < k; ++i) + for (int i = 0; i < k; i++) fs[i] = new CompletableFuture<>(); CompletableFuture f = CompletableFuture.allOf(fs); for (int i = k - 1; i >= 0; i--) { @@ -2517,29 +2993,74 @@ public class CompletableFutureTest exten } } + public void testAllOf_exceptional() throws Exception { + for (int k = 1; k < 10; k++) { + CompletableFuture[] fs + = (CompletableFuture[]) new CompletableFuture[k]; + CFException ex = new CFException(); + for (int i = 0; i < k; i++) + fs[i] = new CompletableFuture<>(); + CompletableFuture f = CompletableFuture.allOf(fs); + for (int i = 0; i < k; i++) { + checkIncomplete(f); + checkIncomplete(CompletableFuture.allOf(fs)); + if (i != k/2) { + fs[i].complete(i); + checkCompletedNormally(fs[i], i); + } else { + fs[i].completeExceptionally(ex); + checkCompletedExceptionally(fs[i], ex); + } + } + checkCompletedWithWrappedException(f, ex); + checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex); + } + } + /** * anyOf(no component futures) returns an incomplete future */ public void testAnyOf_empty() throws Exception { + for (Integer v1 : new Integer[] { 1, null }) + { CompletableFuture f = CompletableFuture.anyOf(); checkIncomplete(f); - } + + f.complete(v1); + checkCompletedNormally(f, v1); + }} /** * anyOf returns a future completed normally with a value when * a component future does */ public void testAnyOf_normal() throws Exception { - for (int k = 0; k < 10; ++k) { + for (int k = 0; k < 10; k++) { CompletableFuture[] fs = new CompletableFuture[k]; - for (int i = 0; i < k; ++i) + for (int i = 0; i < k; i++) fs[i] = new CompletableFuture<>(); CompletableFuture f = CompletableFuture.anyOf(fs); checkIncomplete(f); - for (int i = 0; i < k; ++i) { - fs[i].complete(one); - checkCompletedNormally(f, one); - checkCompletedNormally(CompletableFuture.anyOf(fs), one); + for (int i = 0; i < k; i++) { + fs[i].complete(i); + checkCompletedNormally(f, 0); + int x = (int) CompletableFuture.anyOf(fs).join(); + assertTrue(0 <= x && x <= i); + } + } + } + public void testAnyOf_normal_backwards() throws Exception { + for (int k = 0; k < 10; k++) { + CompletableFuture[] fs = new CompletableFuture[k]; + for (int i = 0; i < k; i++) + fs[i] = new CompletableFuture<>(); + CompletableFuture f = CompletableFuture.anyOf(fs); + checkIncomplete(f); + for (int i = k - 1; i >= 0; i--) { + fs[i].complete(i); + checkCompletedNormally(f, k - 1); + int x = (int) CompletableFuture.anyOf(fs).join(); + assertTrue(i <= x && x <= k - 1); } } } @@ -2548,15 +3069,36 @@ public class CompletableFutureTest exten * anyOf result completes exceptionally when any component does. */ public void testAnyOf_exceptional() throws Exception { - for (int k = 0; k < 10; ++k) { + for (int k = 0; k < 10; k++) { CompletableFuture[] fs = new CompletableFuture[k]; - for (int i = 0; i < k; ++i) + CFException[] exs = new CFException[k]; + for (int i = 0; i < k; i++) { fs[i] = new CompletableFuture<>(); + exs[i] = new CFException(); + } CompletableFuture f = CompletableFuture.anyOf(fs); checkIncomplete(f); - for (int i = 0; i < k; ++i) { - fs[i].completeExceptionally(new CFException()); - checkCompletedWithWrappedCFException(f); + for (int i = 0; i < k; i++) { + fs[i].completeExceptionally(exs[i]); + checkCompletedWithWrappedException(f, exs[0]); + checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); + } + } + } + + public void testAnyOf_exceptional_backwards() throws Exception { + for (int k = 0; k < 10; k++) { + CompletableFuture[] fs = new CompletableFuture[k]; + CFException[] exs = new CFException[k]; + for (int i = 0; i < k; i++) { + fs[i] = new CompletableFuture<>(); + exs[i] = new CFException(); + } + CompletableFuture f = CompletableFuture.anyOf(fs); + checkIncomplete(f); + for (int i = k - 1; i >= 0; i--) { + fs[i].completeExceptionally(exs[i]); + checkCompletedWithWrappedException(f, exs[k - 1]); checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); } } @@ -2680,141 +3222,94 @@ public class CompletableFutureTest exten assertSame(f, f.toCompletableFuture()); } - /** - * whenComplete action executes on normal completion, propagating - * source result. - */ - public void testWhenComplete_normalCompletion1() { - for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) - for (Integer v1 : new Integer[] { 1, null }) - { - final AtomicInteger a = new AtomicInteger(0); - final CompletableFuture f = new CompletableFuture<>(); - if (!createIncomplete) f.complete(v1); - final CompletableFuture g = m.whenComplete - (f, - (Integer x, Throwable t) -> { - threadAssertSame(x, v1); - threadAssertNull(t); - a.getAndIncrement(); - }); - if (createIncomplete) f.complete(v1); + //--- tests of implementation details; not part of official tck --- - checkCompletedNormally(g, v1); - checkCompletedNormally(f, v1); - assertEquals(1, a.get()); - }} + Object resultOf(CompletableFuture f) { + try { + java.lang.reflect.Field resultField + = CompletableFuture.class.getDeclaredField("result"); + resultField.setAccessible(true); + return resultField.get(f); + } catch (Throwable t) { throw new AssertionError(t); } + } - /** - * whenComplete action executes on exceptional completion, propagating - * source result. - */ - public void testWhenComplete_exceptionalCompletion() { + public void testExceptionPropagationReusesResultObject() { + if (!testImplementationDetails) return; for (ExecutionMode m : ExecutionMode.values()) - for (boolean createIncomplete : new boolean[] { true, false }) - for (Integer v1 : new Integer[] { 1, null }) { - final AtomicInteger a = new AtomicInteger(0); final CFException ex = new CFException(); - final CompletableFuture f = new CompletableFuture<>(); - if (!createIncomplete) f.completeExceptionally(ex); - final CompletableFuture g = m.whenComplete - (f, - (Integer x, Throwable t) -> { - threadAssertNull(x); - threadAssertSame(t, ex); - a.getAndIncrement(); - }); - if (createIncomplete) f.completeExceptionally(ex); - checkCompletedWithWrappedCFException(f, ex); - checkCompletedWithWrappedCFException(g, ex); - assertEquals(1, a.get()); - }} + final CompletableFuture v42 = CompletableFuture.completedFuture(42); + final CompletableFuture incomplete = new CompletableFuture<>(); - /** - * whenComplete action executes on cancelled source, propagating - * CancellationException. - */ - public void testWhenComplete_sourceCancelled() { - for (ExecutionMode m : ExecutionMode.values()) - for (boolean mayInterruptIfRunning : new boolean[] { true, false }) - for (boolean createIncomplete : new boolean[] { true, false }) - { - final AtomicInteger a = new AtomicInteger(0); - final CompletableFuture f = new CompletableFuture<>(); - if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); - final CompletableFuture g = m.whenComplete - (f, - (Integer x, Throwable t) -> { - threadAssertNull(x); - threadAssertTrue(t instanceof CancellationException); - a.getAndIncrement(); - }); - if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); + List, CompletableFuture>> funs + = new ArrayList<>(); - //try { g.join(); } catch (Throwable t) { throw new Error(t); } - checkCompletedWithWrappedCancellationException(g); - checkCancelled(f); - assertEquals(1, a.get()); - }} + funs.add((y) -> m.thenRun(y, new Noop(m))); + funs.add((y) -> m.thenAccept(y, new NoopConsumer(m))); + funs.add((y) -> m.thenApply(y, new IncFunction(m))); - /** - * If a whenComplete action throws an exception when triggered by - * a normal completion, it completes exceptionally - */ - public void testWhenComplete_actionFailed() { - for (boolean createIncomplete : new boolean[] { true, false }) - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - { - final AtomicInteger a = new AtomicInteger(0); - final CFException ex = new CFException(); - final CompletableFuture f = new CompletableFuture<>(); - if (!createIncomplete) f.complete(v1); - final CompletableFuture g = m.whenComplete - (f, - (Integer x, Throwable t) -> { - threadAssertSame(x, v1); - threadAssertNull(t); - a.getAndIncrement(); - throw ex; - }); - if (createIncomplete) f.complete(v1); - checkCompletedNormally(f, v1); - checkCompletedWithWrappedCFException(g, ex); - assertEquals(1, a.get()); - }} + funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m))); + funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m))); + funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m))); - /** - * If a whenComplete action throws an exception when triggered by - * a source completion that also throws an exception, the source - * exception takes precedence. - */ - public void testWhenComplete_actionFailedSourceFailed() { - for (boolean createIncomplete : new boolean[] { true, false }) - for (ExecutionMode m : ExecutionMode.values()) - for (Integer v1 : new Integer[] { 1, null }) - { - final AtomicInteger a = new AtomicInteger(0); - final CFException ex1 = new CFException(); - final CFException ex2 = new CFException(); - final CompletableFuture f = new CompletableFuture<>(); + funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m))); + funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m))); + funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m))); - if (!createIncomplete) f.completeExceptionally(ex1); - final CompletableFuture g = m.whenComplete - (f, - (Integer x, Throwable t) -> { - threadAssertSame(t, ex1); - threadAssertNull(x); - a.getAndIncrement(); - throw ex2; - }); - if (createIncomplete) f.completeExceptionally(ex1); + funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {})); - checkCompletedWithWrappedCFException(f, ex1); - checkCompletedWithWrappedCFException(g, ex1); - assertEquals(1, a.get()); + funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m))); + + funs.add((y) -> CompletableFuture.allOf(new CompletableFuture[] {y, v42})); + funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture[] {y, incomplete})); + + for (Function, CompletableFuture> + fun : funs) { + CompletableFuture f = new CompletableFuture<>(); + f.completeExceptionally(ex); + CompletableFuture src = m.thenApply(f, new IncFunction(m)); + checkCompletedWithWrappedException(src, ex); + CompletableFuture dep = fun.apply(src); + checkCompletedWithWrappedException(dep, ex); + assertSame(resultOf(src), resultOf(dep)); + } + + for (Function, CompletableFuture> + fun : funs) { + CompletableFuture f = new CompletableFuture<>(); + CompletableFuture src = m.thenApply(f, new IncFunction(m)); + CompletableFuture dep = fun.apply(src); + f.completeExceptionally(ex); + checkCompletedWithWrappedException(src, ex); + checkCompletedWithWrappedException(dep, ex); + assertSame(resultOf(src), resultOf(dep)); + } + + for (boolean mayInterruptIfRunning : new boolean[] { true, false }) + for (Function, CompletableFuture> + fun : funs) { + CompletableFuture f = new CompletableFuture<>(); + f.cancel(mayInterruptIfRunning); + checkCancelled(f); + CompletableFuture src = m.thenApply(f, new IncFunction(m)); + checkCompletedWithWrappedCancellationException(src); + CompletableFuture dep = fun.apply(src); + checkCompletedWithWrappedCancellationException(dep); + assertSame(resultOf(src), resultOf(dep)); + } + + for (boolean mayInterruptIfRunning : new boolean[] { true, false }) + for (Function, CompletableFuture> + fun : funs) { + CompletableFuture f = new CompletableFuture<>(); + CompletableFuture src = m.thenApply(f, new IncFunction(m)); + CompletableFuture dep = fun.apply(src); + f.cancel(mayInterruptIfRunning); + checkCancelled(f); + checkCompletedWithWrappedCancellationException(src); + checkCompletedWithWrappedCancellationException(dep); + assertSame(resultOf(src), resultOf(dep)); + } }} }