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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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*/ |
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|
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import java.util.concurrent.*; |
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import junit.framework.*; |
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import java.util.List; |
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|
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public class ThreadPoolExecutorTest extends TestCase{ |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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} |
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|
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|
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public static Test suite() { |
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return new TestSuite(ThreadPoolExecutorTest.class); |
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} |
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|
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private static long SHORT_DELAY_MS = 100; |
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private static long MEDIUM_DELAY_MS = 1000; |
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private static long LONG_DELAY_MS = 10000; |
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|
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//---- testThread class to implement ThreadFactory for use in constructors |
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static class testThread implements ThreadFactory{ |
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public Thread newThread(Runnable r){ |
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return new Thread(r); |
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} |
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} |
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|
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//---- testReject class to implement RejectedExecutionHandler for use in the constructors |
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static class testReject implements RejectedExecutionHandler{ |
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public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){} |
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} |
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|
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public Runnable newRunnable(){ |
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return new Runnable(){ |
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public void run(){ |
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try{Thread.sleep(MEDIUM_DELAY_MS); |
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} catch(Exception e){ |
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} |
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} |
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}; |
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} |
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|
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|
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/** |
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* Test to verify that execute successfully executes a runnable |
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*/ |
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public void testExecute(){ |
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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one.execute(new Runnable(){ |
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public void run(){ |
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try{ |
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Thread.sleep(SHORT_DELAY_MS); |
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} catch(InterruptedException e){ |
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fail("unexpected exception"); |
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} |
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} |
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}); |
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Thread.sleep(SHORT_DELAY_MS * 2); |
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} catch(InterruptedException e){ |
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fail("unexpected exception"); |
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} finally { |
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one.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getActiveCount gives correct values |
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*/ |
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public void testGetActiveCount(){ |
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ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(0, two.getActiveCount()); |
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two.execute(newRunnable()); |
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try{Thread.sleep(10);} catch(Exception e){} |
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assertEquals(1, two.getActiveCount()); |
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} finally { |
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two.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getCompleteTaskCount gives correct values |
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*/ |
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public void testGetCompletedTaskCount(){ |
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ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(0, two.getCompletedTaskCount()); |
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two.execute(newRunnable()); |
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try{Thread.sleep(2000);} catch(Exception e){} |
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assertEquals(1, two.getCompletedTaskCount()); |
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} finally { |
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two.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getCorePoolSize gives correct values |
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*/ |
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public void testGetCorePoolSize(){ |
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(1, one.getCorePoolSize()); |
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} finally { |
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one.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getKeepAliveTime gives correct values |
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*/ |
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public void testGetKeepAliveTime(){ |
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ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS)); |
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} finally { |
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two.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getLargestPoolSize gives correct values |
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*/ |
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public void testGetLargestPoolSize(){ |
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ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(0, two.getLargestPoolSize()); |
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two.execute(newRunnable()); |
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two.execute(newRunnable()); |
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try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){} |
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assertEquals(2, two.getLargestPoolSize()); |
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} finally { |
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two.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getMaximumPoolSize gives correct values |
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*/ |
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public void testGetMaximumPoolSize(){ |
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ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(2, two.getMaximumPoolSize()); |
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} finally { |
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two.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getPoolSize gives correct values |
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*/ |
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public void testGetPoolSize(){ |
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(0, one.getPoolSize()); |
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one.execute(newRunnable()); |
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assertEquals(1, one.getPoolSize()); |
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} finally { |
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one.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify getTaskCount gives correct values |
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*/ |
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public void testGetTaskCount(){ |
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertEquals(0, one.getTaskCount()); |
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for(int i = 0; i < 5; i++) |
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one.execute(newRunnable()); |
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try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){} |
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assertEquals(5, one.getTaskCount()); |
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} finally { |
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one.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify isShutDown gives correct values |
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*/ |
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public void testIsShutdown(){ |
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|
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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assertFalse(one.isShutdown()); |
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} |
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finally { |
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one.shutdown(); |
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} |
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assertTrue(one.isShutdown()); |
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} |
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|
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|
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/** |
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* Test to verify isTerminated gives correct values |
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* Makes sure termination does not take an innapropriate |
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* amount of time |
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*/ |
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public void testIsTerminated(){ |
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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one.execute(newRunnable()); |
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} finally { |
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one.shutdown(); |
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} |
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boolean flag = false; |
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try{ |
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flag = one.awaitTermination(10, TimeUnit.SECONDS); |
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} catch(Exception e){} |
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assertTrue(one.isTerminated()); |
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if(!flag) |
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fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe"); |
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} |
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|
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/** |
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* Test to verify that purge correctly removes cancelled tasks |
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* from the queue |
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*/ |
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public void testPurge(){ |
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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CancellableTask[] tasks = new CancellableTask[5]; |
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for(int i = 0; i < 5; i++){ |
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tasks[i] = new CancellableTask(newRunnable()); |
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one.execute(tasks[i]); |
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} |
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tasks[4].cancel(true); |
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tasks[3].cancel(true); |
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one.purge(); |
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long count = one.getTaskCount(); |
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assertTrue(count >= 2 && count < 5); |
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} finally { |
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one.shutdown(); |
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} |
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} |
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|
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/** |
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* Test to verify shutDownNow returns a list |
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* containing the correct number of elements |
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*/ |
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public void testShutDownNow(){ |
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ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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List l; |
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try { |
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for(int i = 0; i < 5; i++) |
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one.execute(newRunnable()); |
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} |
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finally { |
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l = one.shutdownNow(); |
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} |
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assertTrue(one.isShutdown()); |
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assertTrue(l.size() <= 4); |
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} |
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|
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|
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|
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|
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|
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|
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// Exception Tests |
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|
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|
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//---- Tests if corePoolSize argument is less than zero |
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public void testConstructor1() { |
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try{ |
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new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i){} |
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} |
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|
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//---- Tests if maximumPoolSize is less than zero |
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public void testConstructor2() { |
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try{ |
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new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i2){} |
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} |
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|
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//---- Tests if maximumPoolSize is equal to zero |
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public void testConstructor3() { |
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try{ |
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new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i3){} |
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} |
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|
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//---- Tests if keepAliveTime is less than zero |
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public void testConstructor4() { |
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try{ |
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new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i4){} |
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} |
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|
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//---- Tests if corePoolSize is greater than the maximumPoolSize |
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public void testConstructor5() { |
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try{ |
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new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i5){} |
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} |
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|
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//---- Tests if workQueue is set to null |
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public void testNullPointerException() { |
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try{ |
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new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null); |
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fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
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} |
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catch (NullPointerException n){} |
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} |
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|
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|
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|
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//---- Tests if corePoolSize argument is less than zero |
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public void testConstructor6() { |
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try{ |
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new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} catch (IllegalArgumentException i6){} |
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} |
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|
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//---- Tests if maximumPoolSize is less than zero |
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public void testConstructor7() { |
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try{ |
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new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i7){} |
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} |
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|
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//---- Tests if maximumPoolSize is equal to zero |
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public void testConstructor8() { |
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try{ |
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new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i8){} |
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} |
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|
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//---- Tests if keepAliveTime is less than zero |
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public void testConstructor9() { |
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try{ |
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new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i9){} |
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} |
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|
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//---- Tests if corePoolSize is greater than the maximumPoolSize |
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public void testConstructor10() { |
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try{ |
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new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i10){} |
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} |
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|
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//---- Tests if workQueue is set to null |
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public void testNullPointerException2() { |
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try{ |
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new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread()); |
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fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
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} |
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catch (NullPointerException n2){} |
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} |
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|
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//---- Tests if threadFactory is set to null |
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public void testNullPointerException3() { |
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try{ |
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ThreadFactory f = null; |
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new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f); |
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fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
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} |
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catch (NullPointerException n3){} |
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} |
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|
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|
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//---- Tests if corePoolSize argument is less than zero |
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public void testConstructor11() { |
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try{ |
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new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i11){} |
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} |
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|
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//---- Tests if maximumPoolSize is less than zero |
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public void testConstructor12() { |
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try{ |
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new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i12){} |
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} |
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|
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//---- Tests if maximumPoolSize is equal to zero |
408 |
public void testConstructor13() { |
409 |
try{ |
410 |
new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject()); |
411 |
fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i13){} |
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} |
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|
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//---- Tests if keepAliveTime is less than zero |
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public void testConstructor14() { |
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try{ |
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new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject()); |
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fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
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} |
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catch (IllegalArgumentException i14){} |
423 |
} |
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|
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//---- Tests if corePoolSize is greater than the maximumPoolSize |
426 |
public void testConstructor15() { |
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try{ |
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new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject()); |
429 |
fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
430 |
} |
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catch (IllegalArgumentException i15){} |
432 |
} |
433 |
|
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//---- Tests if workQueue is set to null |
435 |
public void testNullPointerException4() { |
436 |
try{ |
437 |
new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject()); |
438 |
fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
439 |
} |
440 |
catch (NullPointerException n4){} |
441 |
} |
442 |
|
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//---- Tests if handler is set to null |
444 |
public void testNullPointerException5() { |
445 |
try{ |
446 |
RejectedExecutionHandler r = null; |
447 |
new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r); |
448 |
fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
449 |
} |
450 |
catch (NullPointerException n5){} |
451 |
} |
452 |
|
453 |
|
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//---- Tests if corePoolSize argument is less than zero |
455 |
public void testConstructor16() { |
456 |
try{ |
457 |
new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject()); |
458 |
fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
459 |
} |
460 |
catch (IllegalArgumentException i16){} |
461 |
} |
462 |
|
463 |
//---- Tests if maximumPoolSize is less than zero |
464 |
public void testConstructor17() { |
465 |
try{ |
466 |
new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject()); |
467 |
fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
468 |
} |
469 |
catch (IllegalArgumentException i17){} |
470 |
} |
471 |
|
472 |
//---- Tests if maximumPoolSize is equal to zero |
473 |
public void testConstructor18() { |
474 |
try{ |
475 |
new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject()); |
476 |
fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
477 |
} |
478 |
catch (IllegalArgumentException i18){} |
479 |
} |
480 |
|
481 |
//---- Tests if keepAliveTime is less than zero |
482 |
public void testConstructor19() { |
483 |
try{ |
484 |
new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject()); |
485 |
fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
486 |
} |
487 |
catch (IllegalArgumentException i19){} |
488 |
} |
489 |
|
490 |
//---- Tests if corePoolSize is greater than the maximumPoolSize |
491 |
public void testConstructor20() { |
492 |
try{ |
493 |
new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject()); |
494 |
fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException"); |
495 |
} |
496 |
catch (IllegalArgumentException i20){} |
497 |
} |
498 |
|
499 |
//---- Tests if workQueue is set to null |
500 |
public void testNullPointerException6() { |
501 |
try{ |
502 |
new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject()); |
503 |
fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
504 |
} |
505 |
catch (NullPointerException n6){} |
506 |
} |
507 |
|
508 |
//---- Tests if handler is set to null |
509 |
public void testNullPointerException7() { |
510 |
try{ |
511 |
RejectedExecutionHandler r = null; |
512 |
new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r); |
513 |
fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
514 |
} |
515 |
catch (NullPointerException n7){} |
516 |
} |
517 |
|
518 |
//---- Tests if ThradFactory is set top null |
519 |
public void testNullPointerException8() { |
520 |
try{ |
521 |
ThreadFactory f = null; |
522 |
new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject()); |
523 |
fail("ThreadPoolExecutor constructor should throw a NullPointerException"); |
524 |
} |
525 |
catch (NullPointerException n8){} |
526 |
} |
527 |
|
528 |
|
529 |
/** |
530 |
* Test to verify execute will throw RejectedExcutionException |
531 |
* ThreadPoolExecutor will throw one when more runnables are |
532 |
* executed then will fit in the Queue. |
533 |
*/ |
534 |
public void testRejectedExecutedException(){ |
535 |
ThreadPoolExecutor tpe = null; |
536 |
try{ |
537 |
tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1)); |
538 |
} catch(Exception e){} |
539 |
tpe.shutdown(); |
540 |
try{ |
541 |
tpe.execute(new Runnable(){ |
542 |
public void run(){ |
543 |
try{ |
544 |
Thread.sleep(1000); |
545 |
} catch(InterruptedException e){} |
546 |
} |
547 |
}); |
548 |
fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException"); |
549 |
} catch(RejectedExecutionException success){} |
550 |
|
551 |
|
552 |
} |
553 |
|
554 |
/** |
555 |
* Test to verify setCorePoolSize will throw IllegalArgumentException |
556 |
* when given a negative |
557 |
*/ |
558 |
public void testIllegalArgumentException1(){ |
559 |
ThreadPoolExecutor tpe = null; |
560 |
try{ |
561 |
tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
562 |
} catch(Exception e){} |
563 |
try{ |
564 |
tpe.setCorePoolSize(-1); |
565 |
fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException"); |
566 |
} catch(IllegalArgumentException success){ |
567 |
} finally { |
568 |
tpe.shutdown(); |
569 |
} |
570 |
} |
571 |
|
572 |
|
573 |
/** |
574 |
* Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException |
575 |
* if given a value less the it's actual core pool size |
576 |
*/ |
577 |
public void testIllegalArgumentException2(){ |
578 |
ThreadPoolExecutor tpe = null; |
579 |
try{ |
580 |
tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
581 |
} catch(Exception e){} |
582 |
try{ |
583 |
tpe.setMaximumPoolSize(1); |
584 |
fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException"); |
585 |
} catch(IllegalArgumentException success){ |
586 |
} finally { |
587 |
tpe.shutdown(); |
588 |
} |
589 |
} |
590 |
|
591 |
/** |
592 |
* Test to verify that setMaximumPoolSize will throw IllegalArgumentException |
593 |
* if given a negative number |
594 |
*/ |
595 |
public void testIllegalArgumentException2SP(){ |
596 |
ThreadPoolExecutor tpe = null; |
597 |
try{ |
598 |
tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
599 |
} catch(Exception e){} |
600 |
try{ |
601 |
tpe.setMaximumPoolSize(-1); |
602 |
fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException"); |
603 |
} catch(IllegalArgumentException success){ |
604 |
} finally { |
605 |
tpe.shutdown(); |
606 |
} |
607 |
} |
608 |
|
609 |
|
610 |
/** |
611 |
* Test to verify setKeepAliveTime will throw IllegalArgumentException |
612 |
* when given a negative value |
613 |
*/ |
614 |
public void testIllegalArgumentException3(){ |
615 |
ThreadPoolExecutor tpe = null; |
616 |
try{ |
617 |
tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
618 |
} catch(Exception e){} |
619 |
|
620 |
try{ |
621 |
tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS); |
622 |
fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException"); |
623 |
} catch(IllegalArgumentException success){ |
624 |
} finally { |
625 |
tpe.shutdown(); |
626 |
} |
627 |
} |
628 |
|
629 |
|
630 |
|
631 |
} |