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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 java.util.*; |
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import java.util.concurrent.*; |
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import java.math.BigInteger; |
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import java.security.*; |
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public class ExecutorsTest extends JSR166TestCase{ |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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junit.textui.TestRunner.run (suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ExecutorsTest.class); |
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return new TestSuite(ExecutorsTest.class); |
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} |
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|
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/** |
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* execute(Executor, Runnable) will throw |
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* RejectedExecutionException Attempting to execute a runnable on |
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* a full ThreadPool will cause such an exception here, up to 5 |
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* runnables are attempted on a pool capable on handling one |
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* until it throws an exception |
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*/ |
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public void testExecute1(){ |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
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try{ |
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|
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for(int i = 0; i < 5; ++i){ |
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Executors.execute(p, new MediumRunnable(), Boolean.TRUE); |
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} |
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fail("should throw"); |
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} catch(RejectedExecutionException success){} |
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joinPool(p); |
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} |
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static class TimedCallable<T> implements Callable<T> { |
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private final ExecutorService exec; |
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private final Callable<T> func; |
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private final long msecs; |
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|
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/** |
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* execute(Executor, Callable) will throw |
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* RejectedExecutionException Attempting to execute a callable on |
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* a full ThreadPool will cause such an exception here, up to 5 |
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* runnables are attempted on a pool capable on handling one |
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* until it throws an exception |
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*/ |
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public void testExecute2(){ |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
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try{ |
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for(int i = 0; i < 5; ++i) { |
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Executors.execute(p, new SmallCallable()); |
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TimedCallable(ExecutorService exec, Callable<T> func, long msecs) { |
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this.exec = exec; |
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this.func = func; |
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this.msecs = msecs; |
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} |
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|
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public T call() throws Exception { |
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Future<T> ftask = exec.submit(func); |
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try { |
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return ftask.get(msecs, TimeUnit.MILLISECONDS); |
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} finally { |
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ftask.cancel(true); |
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} |
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fail("should throw"); |
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}catch(RejectedExecutionException e){} |
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joinPool(p); |
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} |
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} |
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|
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private static class Fib implements Callable<BigInteger> { |
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private final BigInteger n; |
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Fib(long n) { |
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if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n); |
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this.n = BigInteger.valueOf(n); |
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} |
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public BigInteger call() { |
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BigInteger f1 = BigInteger.ONE; |
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BigInteger f2 = f1; |
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for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) { |
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BigInteger t = f1.add(f2); |
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f1 = f2; |
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f2 = t; |
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} |
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return f1; |
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} |
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}; |
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|
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/** |
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* invoke(Executor, Runnable) throws InterruptedException |
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* A single use of invoke starts that will wait long enough |
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* for the invoking thread to be interrupted |
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*/ |
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public void testInvoke2(){ |
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final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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Thread t = new Thread(new Runnable() { |
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public void run(){ |
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try{ |
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Executors.invoke(p,new Runnable(){ |
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public void run(){ |
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try{ |
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Thread.sleep(MEDIUM_DELAY_MS); |
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fail("should throw"); |
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}catch(InterruptedException e){ |
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} |
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} |
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}); |
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} catch(InterruptedException success){ |
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} catch(Exception e) { |
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fail("unexpected exception"); |
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} |
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|
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} |
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}); |
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try{ |
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t.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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t.interrupt(); |
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}catch(Exception e){ |
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fail("unexpected exception"); |
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} |
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joinPool(p); |
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* A newCachedThreadPool can execute runnables |
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*/ |
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public void testNewCachedThreadPool1() { |
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ExecutorService e = Executors.newCachedThreadPool(); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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} |
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|
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/** |
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* invoke(Executor, Runnable) will throw |
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* ExecutionException An ExecutionException occurs when the |
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* underlying Runnable throws an exception, here the |
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* DivideByZeroException will cause an ExecutionException |
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*/ |
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public void testInvoke3(){ |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try{ |
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Runnable r = new Runnable(){ |
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public void run(){ |
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int i = 5/0; |
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} |
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}; |
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|
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for(int i =0; i < 5; i++){ |
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Executors.invoke(p,r); |
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} |
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|
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fail("should throw"); |
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} catch(ExecutionException success){ |
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} catch(Exception e){ |
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fail("should throw EE"); |
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} |
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joinPool(p); |
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* A newCachedThreadPool with given ThreadFactory can execute runnables |
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*/ |
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public void testNewCachedThreadPool2() { |
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ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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} |
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|
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|
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/** |
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* invoke(Executor, Callable) throws |
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* InterruptedException A single use of invoke starts that will |
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* wait long enough for the invoking thread to be interrupted |
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*/ |
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public void testInvoke5(){ |
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final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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|
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final Callable c = new Callable(){ |
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public Object call(){ |
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try{ |
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Executors.invoke(p, new SmallCallable()); |
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fail("should throw"); |
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}catch(InterruptedException e){} |
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catch(RejectedExecutionException e2){} |
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catch(ExecutionException e3){} |
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return Boolean.TRUE; |
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} |
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}; |
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* A newCachedThreadPool with null ThreadFactory throws NPE |
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*/ |
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public void testNewCachedThreadPool3() { |
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try { |
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ExecutorService e = Executors.newCachedThreadPool(null); |
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shouldThrow(); |
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} |
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catch(NullPointerException success) { |
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} |
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} |
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|
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Thread t = new Thread(new Runnable(){ |
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public void run(){ |
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try{ |
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c.call(); |
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}catch(Exception e){} |
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} |
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}); |
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try{ |
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t.start(); |
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Thread.sleep(SHORT_DELAY_MS); |
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t.interrupt(); |
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t.join(); |
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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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joinPool(p); |
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/** |
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* A new SingleThreadExecutor can execute runnables |
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*/ |
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public void testNewSingleThreadExecutor1() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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} |
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|
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/** |
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* invoke(Executor, Callable) will throw ExecutionException |
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* An ExecutionException occurs when the underlying Runnable throws |
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* an exception, here the DivideByZeroException will cause an ExecutionException |
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*/ |
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public void testInvoke6(){ |
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ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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|
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try{ |
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Callable c = new Callable(){ |
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public Object call(){ |
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int i = 5/0; |
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return Boolean.TRUE; |
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} |
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}; |
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|
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for(int i =0; i < 5; i++){ |
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Executors.invoke(p,c); |
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} |
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|
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fail("should throw"); |
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}catch(RejectedExecutionException e){} |
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catch(InterruptedException e2){} |
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catch(ExecutionException e3){} |
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joinPool(p); |
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* A new SingleThreadExecutor with given ThreadFactory can execute runnables |
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*/ |
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public void testNewSingleThreadExecutor2() { |
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ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); |
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e.execute(new NoOpRunnable()); |
116 |
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e.execute(new NoOpRunnable()); |
117 |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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} |
120 |
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|
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public void testExecuteRunnable () { |
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/** |
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* A new SingleThreadExecutor with null ThreadFactory throws NPE |
123 |
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*/ |
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public void testNewSingleThreadExecutor3() { |
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try { |
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Executor e = new DirectExecutor(); |
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Task task = new Task(); |
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|
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assertFalse("task should not be complete", task.isCompleted()); |
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|
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Future<String> future = Executors.execute(e, task, TEST_STRING); |
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String result = future.get(); |
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|
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assertTrue("task should be complete", task.isCompleted()); |
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assertSame("should return test string", TEST_STRING, result); |
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ExecutorService e = Executors.newSingleThreadExecutor(null); |
127 |
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shouldThrow(); |
128 |
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} |
129 |
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catch (ExecutionException ex) { |
210 |
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fail("Unexpected exception"); |
211 |
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} |
212 |
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catch (InterruptedException ex) { |
213 |
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fail("Unexpected exception"); |
129 |
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catch(NullPointerException success) { |
130 |
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} |
131 |
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} |
132 |
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|
133 |
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public void testInvokeRunnable () { |
133 |
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/** |
134 |
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* A new SingleThreadExecutor cannot be casted to concrete implementation |
135 |
> |
*/ |
136 |
> |
public void testCastNewSingleThreadExecutor() { |
137 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(); |
138 |
|
try { |
139 |
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Executor e = new DirectExecutor(); |
140 |
< |
Task task = new Task(); |
139 |
> |
ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
140 |
> |
} catch (ClassCastException success) { |
141 |
> |
} finally { |
142 |
> |
joinPool(e); |
143 |
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} |
144 |
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} |
145 |
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|
222 |
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assertFalse("task should not be complete", task.isCompleted()); |
146 |
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|
147 |
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Executors.invoke(e, task); |
147 |
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/** |
148 |
> |
* A new newFixedThreadPool can execute runnables |
149 |
> |
*/ |
150 |
> |
public void testNewFixedThreadPool1() { |
151 |
> |
ExecutorService e = Executors.newFixedThreadPool(2); |
152 |
> |
e.execute(new NoOpRunnable()); |
153 |
> |
e.execute(new NoOpRunnable()); |
154 |
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e.execute(new NoOpRunnable()); |
155 |
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joinPool(e); |
156 |
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} |
157 |
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|
158 |
< |
assertTrue("task should be complete", task.isCompleted()); |
159 |
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} |
160 |
< |
catch (ExecutionException ex) { |
161 |
< |
fail("Unexpected exception"); |
158 |
> |
/** |
159 |
> |
* A new newFixedThreadPool with given ThreadFactory can execute runnables |
160 |
> |
*/ |
161 |
> |
public void testNewFixedThreadPool2() { |
162 |
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ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
163 |
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e.execute(new NoOpRunnable()); |
164 |
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e.execute(new NoOpRunnable()); |
165 |
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e.execute(new NoOpRunnable()); |
166 |
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joinPool(e); |
167 |
> |
} |
168 |
> |
|
169 |
> |
/** |
170 |
> |
* A new newFixedThreadPool with null ThreadFactory throws NPE |
171 |
> |
*/ |
172 |
> |
public void testNewFixedThreadPool3() { |
173 |
> |
try { |
174 |
> |
ExecutorService e = Executors.newFixedThreadPool(2, null); |
175 |
> |
shouldThrow(); |
176 |
|
} |
177 |
< |
catch (InterruptedException ex) { |
232 |
< |
fail("Unexpected exception"); |
177 |
> |
catch(NullPointerException success) { |
178 |
|
} |
179 |
|
} |
180 |
|
|
181 |
< |
public void testExecuteCallable () { |
181 |
> |
/** |
182 |
> |
* A new newFixedThreadPool with 0 threads throws IAE |
183 |
> |
*/ |
184 |
> |
public void testNewFixedThreadPool4() { |
185 |
|
try { |
186 |
< |
Executor e = new DirectExecutor(); |
187 |
< |
Future<String> future = Executors.execute(e, new StringTask()); |
240 |
< |
String result = future.get(); |
241 |
< |
|
242 |
< |
assertSame("should return test string", TEST_STRING, result); |
243 |
< |
} |
244 |
< |
catch (ExecutionException ex) { |
245 |
< |
fail("Unexpected exception"); |
186 |
> |
ExecutorService e = Executors.newFixedThreadPool(0); |
187 |
> |
shouldThrow(); |
188 |
|
} |
189 |
< |
catch (InterruptedException ex) { |
248 |
< |
fail("Unexpected exception"); |
189 |
> |
catch(IllegalArgumentException success) { |
190 |
|
} |
191 |
|
} |
192 |
|
|
252 |
– |
public void testInvokeCallable () { |
253 |
– |
try { |
254 |
– |
Executor e = new DirectExecutor(); |
255 |
– |
String result = Executors.invoke(e, new StringTask()); |
193 |
|
|
194 |
< |
assertSame("should return test string", TEST_STRING, result); |
194 |
> |
/** |
195 |
> |
* An unconfigurable newFixedThreadPool can execute runnables |
196 |
> |
*/ |
197 |
> |
public void testunconfigurableExecutorService() { |
198 |
> |
ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
199 |
> |
e.execute(new NoOpRunnable()); |
200 |
> |
e.execute(new NoOpRunnable()); |
201 |
> |
e.execute(new NoOpRunnable()); |
202 |
> |
joinPool(e); |
203 |
> |
} |
204 |
> |
|
205 |
> |
/** |
206 |
> |
* unconfigurableExecutorService(null) throws NPE |
207 |
> |
*/ |
208 |
> |
public void testunconfigurableExecutorServiceNPE() { |
209 |
> |
try { |
210 |
> |
ExecutorService e = Executors.unconfigurableExecutorService(null); |
211 |
|
} |
212 |
< |
catch (ExecutionException ex) { |
213 |
< |
fail("Unexpected exception" ); |
212 |
> |
catch (NullPointerException success) { |
213 |
> |
} |
214 |
> |
} |
215 |
> |
|
216 |
> |
/** |
217 |
> |
* unconfigurableScheduledExecutorService(null) throws NPE |
218 |
> |
*/ |
219 |
> |
public void testunconfigurableScheduledExecutorServiceNPE() { |
220 |
> |
try { |
221 |
> |
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
222 |
|
} |
223 |
< |
catch (InterruptedException ex) { |
263 |
< |
fail("Unexpected exception"); |
223 |
> |
catch (NullPointerException success) { |
224 |
|
} |
225 |
|
} |
226 |
|
|
267 |
– |
private static final String TEST_STRING = "a test string"; |
227 |
|
|
228 |
< |
private static class Task implements Runnable { |
229 |
< |
public void run() { completed = true; } |
230 |
< |
public boolean isCompleted() { return completed; } |
231 |
< |
public void reset() { completed = false; } |
232 |
< |
private boolean completed = false; |
228 |
> |
/** |
229 |
> |
* a newSingleThreadScheduledExecutor successfully runs delayed task |
230 |
> |
*/ |
231 |
> |
public void testNewSingleThreadScheduledExecutor() { |
232 |
> |
try { |
233 |
> |
TrackedCallable callable = new TrackedCallable(); |
234 |
> |
ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
235 |
> |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
236 |
> |
assertFalse(callable.done); |
237 |
> |
Thread.sleep(MEDIUM_DELAY_MS); |
238 |
> |
assertTrue(callable.done); |
239 |
> |
assertEquals(Boolean.TRUE, f.get()); |
240 |
> |
joinPool(p1); |
241 |
> |
} catch(RejectedExecutionException e){} |
242 |
> |
catch(Exception e){ |
243 |
> |
e.printStackTrace(); |
244 |
> |
unexpectedException(); |
245 |
> |
} |
246 |
|
} |
247 |
|
|
248 |
< |
private static class StringTask implements Callable<String> { |
249 |
< |
public String call() { return TEST_STRING; } |
248 |
> |
/** |
249 |
> |
* a newScheduledThreadPool successfully runs delayed task |
250 |
> |
*/ |
251 |
> |
public void testnewScheduledThreadPool() { |
252 |
> |
try { |
253 |
> |
TrackedCallable callable = new TrackedCallable(); |
254 |
> |
ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
255 |
> |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
256 |
> |
assertFalse(callable.done); |
257 |
> |
Thread.sleep(MEDIUM_DELAY_MS); |
258 |
> |
assertTrue(callable.done); |
259 |
> |
assertEquals(Boolean.TRUE, f.get()); |
260 |
> |
joinPool(p1); |
261 |
> |
} catch(RejectedExecutionException e){} |
262 |
> |
catch(Exception e){ |
263 |
> |
e.printStackTrace(); |
264 |
> |
unexpectedException(); |
265 |
> |
} |
266 |
|
} |
267 |
|
|
268 |
< |
static class DirectExecutor implements Executor { |
269 |
< |
public void execute(Runnable r) { |
270 |
< |
r.run(); |
268 |
> |
/** |
269 |
> |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
270 |
> |
*/ |
271 |
> |
public void testunconfigurableScheduledExecutorService() { |
272 |
> |
try { |
273 |
> |
TrackedCallable callable = new TrackedCallable(); |
274 |
> |
ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
275 |
> |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
276 |
> |
assertFalse(callable.done); |
277 |
> |
Thread.sleep(MEDIUM_DELAY_MS); |
278 |
> |
assertTrue(callable.done); |
279 |
> |
assertEquals(Boolean.TRUE, f.get()); |
280 |
> |
joinPool(p1); |
281 |
> |
} catch(RejectedExecutionException e){} |
282 |
> |
catch(Exception e){ |
283 |
> |
e.printStackTrace(); |
284 |
> |
unexpectedException(); |
285 |
|
} |
286 |
|
} |
287 |
|
|
288 |
|
/** |
289 |
< |
* Check that timeouts from execute will time out if they compute |
288 |
< |
* too long. |
289 |
> |
* timeouts from execute will time out if they compute too long. |
290 |
|
*/ |
290 |
– |
|
291 |
|
public void testTimedCallable() { |
292 |
|
int N = 10000; |
293 |
|
ExecutorService executor = Executors.newSingleThreadExecutor(); |
294 |
|
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
295 |
|
try { |
296 |
|
long startTime = System.currentTimeMillis(); |
297 |
< |
|
297 |
> |
|
298 |
|
long i = 0; |
299 |
|
while (tasks.size() < N) { |
300 |
|
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
301 |
|
i += 10; |
302 |
|
} |
303 |
< |
|
303 |
> |
|
304 |
|
int iters = 0; |
305 |
|
BigInteger sum = BigInteger.ZERO; |
306 |
|
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
313 |
|
return; |
314 |
|
} |
315 |
|
catch (Exception e) { |
316 |
< |
fail("unexpected exception: " + e); |
316 |
> |
unexpectedException(); |
317 |
|
} |
318 |
|
} |
319 |
|
// if by chance we didn't ever time out, total time must be small |
325 |
|
} |
326 |
|
} |
327 |
|
|
328 |
< |
|
329 |
< |
static class TimedCallable<T> implements Callable<T> { |
330 |
< |
private final Executor exec; |
331 |
< |
private final Callable<T> func; |
332 |
< |
private final long msecs; |
333 |
< |
|
334 |
< |
TimedCallable(Executor exec, Callable<T> func, long msecs) { |
335 |
< |
this.exec = exec; |
336 |
< |
this.func = func; |
337 |
< |
this.msecs = msecs; |
328 |
> |
|
329 |
> |
/** |
330 |
> |
* ThreadPoolExecutor using defaultThreadFactory has |
331 |
> |
* specified group, priority, daemon status, and name |
332 |
> |
*/ |
333 |
> |
public void testDefaultThreadFactory() { |
334 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
335 |
> |
Runnable r = new Runnable() { |
336 |
> |
public void run() { |
337 |
> |
try { |
338 |
> |
Thread current = Thread.currentThread(); |
339 |
> |
threadAssertTrue(!current.isDaemon()); |
340 |
> |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
341 |
> |
ThreadGroup g = current.getThreadGroup(); |
342 |
> |
SecurityManager s = System.getSecurityManager(); |
343 |
> |
if (s != null) |
344 |
> |
threadAssertTrue(g == s.getThreadGroup()); |
345 |
> |
else |
346 |
> |
threadAssertTrue(g == egroup); |
347 |
> |
String name = current.getName(); |
348 |
> |
threadAssertTrue(name.endsWith("thread-1")); |
349 |
> |
} catch (SecurityException ok) { |
350 |
> |
// Also pass if not allowed to change setting |
351 |
> |
} |
352 |
> |
} |
353 |
> |
}; |
354 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
355 |
> |
|
356 |
> |
e.execute(r); |
357 |
> |
try { |
358 |
> |
e.shutdown(); |
359 |
> |
} catch(SecurityException ok) { |
360 |
|
} |
361 |
< |
|
362 |
< |
public T call() throws Exception { |
363 |
< |
Future<T> ftask = Executors.execute(exec, func); |
364 |
< |
try { |
365 |
< |
return ftask.get(msecs, TimeUnit.MILLISECONDS); |
366 |
< |
} finally { |
367 |
< |
ftask.cancel(true); |
346 |
< |
} |
361 |
> |
|
362 |
> |
try { |
363 |
> |
Thread.sleep(SHORT_DELAY_MS); |
364 |
> |
} catch (Exception eX) { |
365 |
> |
unexpectedException(); |
366 |
> |
} finally { |
367 |
> |
joinPool(e); |
368 |
|
} |
369 |
|
} |
370 |
|
|
371 |
+ |
/** |
372 |
+ |
* ThreadPoolExecutor using privilegedThreadFactory has |
373 |
+ |
* specified group, priority, daemon status, name, |
374 |
+ |
* access control context and context class loader |
375 |
+ |
*/ |
376 |
+ |
public void testPrivilegedThreadFactory() { |
377 |
+ |
Policy savedPolicy = null; |
378 |
+ |
try { |
379 |
+ |
savedPolicy = Policy.getPolicy(); |
380 |
+ |
AdjustablePolicy policy = new AdjustablePolicy(); |
381 |
+ |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
382 |
+ |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
383 |
+ |
Policy.setPolicy(policy); |
384 |
+ |
} catch (AccessControlException ok) { |
385 |
+ |
return; |
386 |
+ |
} |
387 |
+ |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
388 |
+ |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
389 |
+ |
final AccessControlContext thisacc = AccessController.getContext(); |
390 |
+ |
Runnable r = new Runnable() { |
391 |
+ |
public void run() { |
392 |
+ |
try { |
393 |
+ |
Thread current = Thread.currentThread(); |
394 |
+ |
threadAssertTrue(!current.isDaemon()); |
395 |
+ |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
396 |
+ |
ThreadGroup g = current.getThreadGroup(); |
397 |
+ |
SecurityManager s = System.getSecurityManager(); |
398 |
+ |
if (s != null) |
399 |
+ |
threadAssertTrue(g == s.getThreadGroup()); |
400 |
+ |
else |
401 |
+ |
threadAssertTrue(g == egroup); |
402 |
+ |
String name = current.getName(); |
403 |
+ |
threadAssertTrue(name.endsWith("thread-1")); |
404 |
+ |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
405 |
+ |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
406 |
+ |
} catch(SecurityException ok) { |
407 |
+ |
// Also pass if not allowed to change settings |
408 |
+ |
} |
409 |
+ |
} |
410 |
+ |
}; |
411 |
+ |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
412 |
|
|
413 |
< |
private static class Fib implements Callable<BigInteger> { |
414 |
< |
private final BigInteger n; |
415 |
< |
Fib(long n) { |
416 |
< |
if (n < 0) throw new IllegalArgumentException("need non-negative arg, but got " + n); |
417 |
< |
this.n = BigInteger.valueOf(n); |
413 |
> |
Policy.setPolicy(savedPolicy); |
414 |
> |
e.execute(r); |
415 |
> |
try { |
416 |
> |
e.shutdown(); |
417 |
> |
} catch(SecurityException ok) { |
418 |
|
} |
419 |
< |
public BigInteger call() { |
420 |
< |
BigInteger f1 = BigInteger.ONE; |
421 |
< |
BigInteger f2 = f1; |
422 |
< |
for (BigInteger i = BigInteger.ZERO; i.compareTo(n) < 0; i = i.add(BigInteger.ONE)) { |
423 |
< |
BigInteger t = f1.add(f2); |
424 |
< |
f1 = f2; |
363 |
< |
f2 = t; |
364 |
< |
} |
365 |
< |
return f1; |
419 |
> |
try { |
420 |
> |
Thread.sleep(SHORT_DELAY_MS); |
421 |
> |
} catch (Exception ex) { |
422 |
> |
unexpectedException(); |
423 |
> |
} finally { |
424 |
> |
joinPool(e); |
425 |
|
} |
367 |
– |
}; |
426 |
|
|
427 |
+ |
} |
428 |
+ |
|
429 |
+ |
void checkCCL() { |
430 |
+ |
SecurityManager sm = System.getSecurityManager(); |
431 |
+ |
if (sm != null) { |
432 |
+ |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
433 |
+ |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
434 |
+ |
} |
435 |
+ |
} |
436 |
+ |
|
437 |
+ |
class CheckCCL implements Callable<Object> { |
438 |
+ |
public Object call() { |
439 |
+ |
checkCCL(); |
440 |
+ |
return null; |
441 |
+ |
} |
442 |
+ |
} |
443 |
+ |
|
444 |
+ |
|
445 |
+ |
/** |
446 |
+ |
* Without class loader permissions, creating |
447 |
+ |
* privilegedCallableUsingCurrentClassLoader throws ACE |
448 |
+ |
*/ |
449 |
+ |
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
450 |
+ |
Policy savedPolicy = null; |
451 |
+ |
try { |
452 |
+ |
savedPolicy = Policy.getPolicy(); |
453 |
+ |
AdjustablePolicy policy = new AdjustablePolicy(); |
454 |
+ |
Policy.setPolicy(policy); |
455 |
+ |
} catch (AccessControlException ok) { |
456 |
+ |
return; |
457 |
+ |
} |
458 |
+ |
|
459 |
+ |
// Check if program still has too many permissions to run test |
460 |
+ |
try { |
461 |
+ |
checkCCL(); |
462 |
+ |
// too many privileges to test; so return |
463 |
+ |
Policy.setPolicy(savedPolicy); |
464 |
+ |
return; |
465 |
+ |
} catch(AccessControlException ok) { |
466 |
+ |
} |
467 |
+ |
|
468 |
+ |
try { |
469 |
+ |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
470 |
+ |
shouldThrow(); |
471 |
+ |
} catch(AccessControlException success) { |
472 |
+ |
} catch(Exception ex) { |
473 |
+ |
unexpectedException(); |
474 |
+ |
} |
475 |
+ |
finally { |
476 |
+ |
Policy.setPolicy(savedPolicy); |
477 |
+ |
} |
478 |
+ |
} |
479 |
+ |
|
480 |
+ |
/** |
481 |
+ |
* With class loader permissions, calling |
482 |
+ |
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
483 |
+ |
*/ |
484 |
+ |
public void testprivilegedCallableUsingCCLWithPrivs() { |
485 |
+ |
Policy savedPolicy = null; |
486 |
+ |
try { |
487 |
+ |
savedPolicy = Policy.getPolicy(); |
488 |
+ |
AdjustablePolicy policy = new AdjustablePolicy(); |
489 |
+ |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
490 |
+ |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
491 |
+ |
Policy.setPolicy(policy); |
492 |
+ |
} catch (AccessControlException ok) { |
493 |
+ |
return; |
494 |
+ |
} |
495 |
+ |
|
496 |
+ |
try { |
497 |
+ |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
498 |
+ |
task.call(); |
499 |
+ |
} catch(Exception ex) { |
500 |
+ |
unexpectedException(); |
501 |
+ |
} |
502 |
+ |
finally { |
503 |
+ |
Policy.setPolicy(savedPolicy); |
504 |
+ |
} |
505 |
+ |
} |
506 |
+ |
|
507 |
+ |
/** |
508 |
+ |
* Without permissions, calling privilegedCallable throws ACE |
509 |
+ |
*/ |
510 |
+ |
public void testprivilegedCallableWithNoPrivs() { |
511 |
+ |
Callable task; |
512 |
+ |
Policy savedPolicy = null; |
513 |
+ |
AdjustablePolicy policy = null; |
514 |
+ |
AccessControlContext noprivAcc = null; |
515 |
+ |
try { |
516 |
+ |
savedPolicy = Policy.getPolicy(); |
517 |
+ |
policy = new AdjustablePolicy(); |
518 |
+ |
Policy.setPolicy(policy); |
519 |
+ |
noprivAcc = AccessController.getContext(); |
520 |
+ |
task = Executors.privilegedCallable(new CheckCCL()); |
521 |
+ |
Policy.setPolicy(savedPolicy); |
522 |
+ |
} catch (AccessControlException ok) { |
523 |
+ |
return; // program has too few permissions to set up test |
524 |
+ |
} |
525 |
+ |
|
526 |
+ |
// Make sure that program doesn't have too many permissions |
527 |
+ |
try { |
528 |
+ |
AccessController.doPrivileged(new PrivilegedAction() { |
529 |
+ |
public Object run() { |
530 |
+ |
checkCCL(); |
531 |
+ |
return null; |
532 |
+ |
}}, noprivAcc); |
533 |
+ |
// too many permssions; skip test |
534 |
+ |
return; |
535 |
+ |
} catch(AccessControlException ok) { |
536 |
+ |
} |
537 |
+ |
|
538 |
+ |
try { |
539 |
+ |
task.call(); |
540 |
+ |
shouldThrow(); |
541 |
+ |
} catch(AccessControlException success) { |
542 |
+ |
} catch(Exception ex) { |
543 |
+ |
unexpectedException(); |
544 |
+ |
} |
545 |
+ |
} |
546 |
+ |
|
547 |
+ |
/** |
548 |
+ |
* With permissions, calling privilegedCallable succeeds |
549 |
+ |
*/ |
550 |
+ |
public void testprivilegedCallableWithPrivs() { |
551 |
+ |
Policy savedPolicy = null; |
552 |
+ |
try { |
553 |
+ |
savedPolicy = Policy.getPolicy(); |
554 |
+ |
AdjustablePolicy policy = new AdjustablePolicy(); |
555 |
+ |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
556 |
+ |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
557 |
+ |
Policy.setPolicy(policy); |
558 |
+ |
} catch (AccessControlException ok) { |
559 |
+ |
return; |
560 |
+ |
} |
561 |
+ |
|
562 |
+ |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
563 |
+ |
try { |
564 |
+ |
task.call(); |
565 |
+ |
} catch(Exception ex) { |
566 |
+ |
unexpectedException(); |
567 |
+ |
} finally { |
568 |
+ |
Policy.setPolicy(savedPolicy); |
569 |
+ |
} |
570 |
+ |
} |
571 |
+ |
|
572 |
+ |
/** |
573 |
+ |
* callable(Runnable) returns null when called |
574 |
+ |
*/ |
575 |
+ |
public void testCallable1() { |
576 |
+ |
try { |
577 |
+ |
Callable c = Executors.callable(new NoOpRunnable()); |
578 |
+ |
assertNull(c.call()); |
579 |
+ |
} catch(Exception ex) { |
580 |
+ |
unexpectedException(); |
581 |
+ |
} |
582 |
+ |
|
583 |
+ |
} |
584 |
+ |
|
585 |
+ |
/** |
586 |
+ |
* callable(Runnable, result) returns result when called |
587 |
+ |
*/ |
588 |
+ |
public void testCallable2() { |
589 |
+ |
try { |
590 |
+ |
Callable c = Executors.callable(new NoOpRunnable(), one); |
591 |
+ |
assertEquals(one, c.call()); |
592 |
+ |
} catch(Exception ex) { |
593 |
+ |
unexpectedException(); |
594 |
+ |
} |
595 |
+ |
} |
596 |
+ |
|
597 |
+ |
/** |
598 |
+ |
* callable(PrivilegedAction) returns its result when called |
599 |
+ |
*/ |
600 |
+ |
public void testCallable3() { |
601 |
+ |
try { |
602 |
+ |
Callable c = Executors.callable(new PrivilegedAction() { |
603 |
+ |
public Object run() { return one; }}); |
604 |
+ |
assertEquals(one, c.call()); |
605 |
+ |
} catch(Exception ex) { |
606 |
+ |
unexpectedException(); |
607 |
+ |
} |
608 |
+ |
} |
609 |
+ |
|
610 |
+ |
/** |
611 |
+ |
* callable(PrivilegedExceptionAction) returns its result when called |
612 |
+ |
*/ |
613 |
+ |
public void testCallable4() { |
614 |
+ |
try { |
615 |
+ |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
616 |
+ |
public Object run() { return one; }}); |
617 |
+ |
assertEquals(one, c.call()); |
618 |
+ |
} catch(Exception ex) { |
619 |
+ |
unexpectedException(); |
620 |
+ |
} |
621 |
+ |
} |
622 |
+ |
|
623 |
+ |
|
624 |
+ |
/** |
625 |
+ |
* callable(null Runnable) throws NPE |
626 |
+ |
*/ |
627 |
+ |
public void testCallableNPE1() { |
628 |
+ |
try { |
629 |
+ |
Runnable r = null; |
630 |
+ |
Callable c = Executors.callable(r); |
631 |
+ |
} catch (NullPointerException success) { |
632 |
+ |
} |
633 |
+ |
} |
634 |
+ |
|
635 |
+ |
/** |
636 |
+ |
* callable(null, result) throws NPE |
637 |
+ |
*/ |
638 |
+ |
public void testCallableNPE2() { |
639 |
+ |
try { |
640 |
+ |
Runnable r = null; |
641 |
+ |
Callable c = Executors.callable(r, one); |
642 |
+ |
} catch (NullPointerException success) { |
643 |
+ |
} |
644 |
+ |
} |
645 |
+ |
|
646 |
+ |
/** |
647 |
+ |
* callable(null PrivilegedAction) throws NPE |
648 |
+ |
*/ |
649 |
+ |
public void testCallableNPE3() { |
650 |
+ |
try { |
651 |
+ |
PrivilegedAction r = null; |
652 |
+ |
Callable c = Executors.callable(r); |
653 |
+ |
} catch (NullPointerException success) { |
654 |
+ |
} |
655 |
+ |
} |
656 |
+ |
|
657 |
+ |
/** |
658 |
+ |
* callable(null PrivilegedExceptionAction) throws NPE |
659 |
+ |
*/ |
660 |
+ |
public void testCallableNPE4() { |
661 |
+ |
try { |
662 |
+ |
PrivilegedExceptionAction r = null; |
663 |
+ |
Callable c = Executors.callable(r); |
664 |
+ |
} catch (NullPointerException success) { |
665 |
+ |
} |
666 |
+ |
} |
667 |
|
|
668 |
|
|
669 |
|
} |