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/* |
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* Written by members of JCP JSR-166 Expert Group and released to the |
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* public domain. Use, modify, and redistribute this code in any way |
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* without acknowledgement. Other contributors include Andrew Wright, |
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* Jeffrey Hayes, Pat Fischer, Mike Judd. |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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/** |
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* Subclass to expose protected methods |
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*/ |
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static class MyFutureTask extends FutureTask { |
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public MyFutureTask(Callable r) { super(r); } |
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public boolean reset() { return super.reset(); } |
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public void setCancelled() { super.setCancelled(); } |
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public void setDone() { super.setDone(); } |
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static class PublicFutureTask extends FutureTask { |
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public PublicFutureTask(Callable r) { super(r); } |
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public boolean runAndReset() { return super.runAndReset(); } |
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public void set(Object x) { super.set(x); } |
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public void setException(Throwable t) { super.setException(t); } |
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} |
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} |
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/** |
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* reset of a done task succeeds and changes status to not done |
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* runAndReset of a non-cancelled task succeeds |
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*/ |
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public void testReset() { |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
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task.run(); |
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assertTrue(task.isDone()); |
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assertTrue(task.reset()); |
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public void testRunAndReset() { |
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PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
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assertTrue(task.runAndReset()); |
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assertFalse(task.isDone()); |
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} |
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/** |
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* Resetting after cancellation fails |
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* runAndReset after cancellation fails |
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*/ |
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public void testResetAfterCancel() { |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
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PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
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assertTrue(task.cancel(false)); |
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task.run(); |
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assertFalse(task.runAndReset()); |
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assertTrue(task.isDone()); |
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assertTrue(task.isCancelled()); |
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assertFalse(task.reset()); |
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} |
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|
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/** |
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* setDone of new task causes isDone to be true |
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*/ |
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public void testSetDone() { |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
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task.setDone(); |
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assertTrue(task.isDone()); |
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assertFalse(task.isCancelled()); |
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} |
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/** |
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* setCancelled of a new task causes isCancelled to be true |
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*/ |
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public void testSetCancelled() { |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
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assertTrue(task.cancel(false)); |
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task.setCancelled(); |
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assertTrue(task.isDone()); |
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assertTrue(task.isCancelled()); |
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} |
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/** |
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* setting value gauses get to return it |
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*/ |
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public void testSet() { |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
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PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
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task.set(one); |
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try { |
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assertEquals(task.get(), one); |
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*/ |
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public void testSetException() { |
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Exception nse = new NoSuchElementException(); |
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MyFutureTask task = new MyFutureTask(new NoOpCallable()); |
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PublicFutureTask task = new PublicFutureTask(new NoOpCallable()); |
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task.setException(nse); |
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try { |
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Object x = task.get(); |