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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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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.math.BigInteger; |
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import java.security.*; |
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|
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public class ExecutorsTest extends JSR166TestCase{ |
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|
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public class ExecutorsTest extends JSR166TestCase { |
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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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private static final String TEST_STRING = "a test string"; |
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|
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private static class MyTask implements Runnable { |
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public void run() { completed = true; } |
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public boolean isCompleted() { return completed; } |
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public void reset() { completed = false; } |
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private boolean completed = false; |
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} |
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|
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private static class StringTask implements Callable<String> { |
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public String call() { return TEST_STRING; } |
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/** |
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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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static class DirectExecutor implements Executor { |
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public void execute(Runnable r) { |
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r.run(); |
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} |
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/** |
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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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static class TimedCallable<T> implements Callable<T> { |
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private final Executor 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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TimedCallable(Executor 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 = Executors.execute(exec, 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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} |
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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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} catch (NullPointerException success) {} |
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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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* 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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* 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()); |
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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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* 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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* A new SingleThreadExecutor with null ThreadFactory throws NPE |
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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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public void testNewSingleThreadExecutor3() { |
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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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ExecutorService e = Executors.newSingleThreadExecutor(null); |
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shouldThrow(); |
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} catch(RejectedExecutionException success){} |
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joinPool(p); |
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} catch (NullPointerException success) {} |
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} |
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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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* A new SingleThreadExecutor cannot be casted to concrete implementation |
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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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public void testCastNewSingleThreadExecutor() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
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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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} |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
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shouldThrow(); |
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} catch(RejectedExecutionException e){} |
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joinPool(p); |
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} catch (ClassCastException success) { |
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} finally { |
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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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/** |
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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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shouldThrow(); |
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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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unexpectedException(); |
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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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unexpectedException(); |
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} |
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joinPool(p); |
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* A new newFixedThreadPool can execute runnables |
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*/ |
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public void testNewFixedThreadPool1() { |
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ExecutorService e = Executors.newFixedThreadPool(2); |
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e.execute(new NoOpRunnable()); |
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e.execute(new NoOpRunnable()); |
112 |
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e.execute(new NoOpRunnable()); |
113 |
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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 |
119 |
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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)); |
124 |
< |
try { |
125 |
< |
Runnable r = new Runnable() { |
126 |
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public void run() { |
127 |
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int i = 5/0; |
128 |
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} |
129 |
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}; |
130 |
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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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* A new newFixedThreadPool with given ThreadFactory can execute runnables |
118 |
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*/ |
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public void testNewFixedThreadPool2() { |
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ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
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e.execute(new NoOpRunnable()); |
122 |
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e.execute(new NoOpRunnable()); |
123 |
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e.execute(new NoOpRunnable()); |
124 |
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joinPool(e); |
125 |
> |
} |
126 |
> |
|
127 |
> |
/** |
128 |
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* A new newFixedThreadPool with null ThreadFactory throws NPE |
129 |
> |
*/ |
130 |
> |
public void testNewFixedThreadPool3() { |
131 |
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try { |
132 |
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ExecutorService e = Executors.newFixedThreadPool(2, null); |
133 |
|
shouldThrow(); |
134 |
< |
} catch(ExecutionException success){ |
179 |
< |
} catch(Exception e){ |
180 |
< |
unexpectedException(); |
181 |
< |
} |
182 |
< |
joinPool(p); |
134 |
> |
} catch (NullPointerException success) {} |
135 |
|
} |
136 |
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|
137 |
+ |
/** |
138 |
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* A new newFixedThreadPool with 0 threads throws IAE |
139 |
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*/ |
140 |
+ |
public void testNewFixedThreadPool4() { |
141 |
+ |
try { |
142 |
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ExecutorService e = Executors.newFixedThreadPool(0); |
143 |
+ |
shouldThrow(); |
144 |
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} catch (IllegalArgumentException success) {} |
145 |
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} |
146 |
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|
147 |
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|
148 |
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/** |
149 |
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* invoke(Executor, Callable) throws |
189 |
< |
* InterruptedException A single use of invoke starts that will |
190 |
< |
* wait long enough for the invoking thread to be interrupted |
149 |
> |
* An unconfigurable newFixedThreadPool can execute runnables |
150 |
|
*/ |
151 |
< |
public void testInvoke5() { |
152 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
153 |
< |
|
154 |
< |
final Callable c = new Callable() { |
155 |
< |
public Object call() { |
156 |
< |
try { |
157 |
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Executors.invoke(p, new SmallCallable()); |
199 |
< |
shouldThrow(); |
200 |
< |
} catch(InterruptedException e){} |
201 |
< |
catch(RejectedExecutionException e2){} |
202 |
< |
catch(ExecutionException e3){} |
203 |
< |
return Boolean.TRUE; |
204 |
< |
} |
205 |
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}; |
206 |
< |
|
151 |
> |
public void testunconfigurableExecutorService() { |
152 |
> |
ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
153 |
> |
e.execute(new NoOpRunnable()); |
154 |
> |
e.execute(new NoOpRunnable()); |
155 |
> |
e.execute(new NoOpRunnable()); |
156 |
> |
joinPool(e); |
157 |
> |
} |
158 |
|
|
159 |
< |
|
160 |
< |
Thread t = new Thread(new Runnable() { |
161 |
< |
public void run() { |
162 |
< |
try { |
212 |
< |
c.call(); |
213 |
< |
} catch(Exception e){} |
214 |
< |
} |
215 |
< |
}); |
159 |
> |
/** |
160 |
> |
* unconfigurableExecutorService(null) throws NPE |
161 |
> |
*/ |
162 |
> |
public void testunconfigurableExecutorServiceNPE() { |
163 |
|
try { |
164 |
< |
t.start(); |
165 |
< |
Thread.sleep(SHORT_DELAY_MS); |
166 |
< |
t.interrupt(); |
220 |
< |
t.join(); |
221 |
< |
} catch(InterruptedException e){ |
222 |
< |
unexpectedException(); |
223 |
< |
} |
224 |
< |
|
225 |
< |
joinPool(p); |
164 |
> |
ExecutorService e = Executors.unconfigurableExecutorService(null); |
165 |
> |
shouldThrow(); |
166 |
> |
} catch (NullPointerException success) {} |
167 |
|
} |
168 |
|
|
169 |
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/** |
170 |
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* invoke(Executor, Callable) will throw ExecutionException |
230 |
< |
* An ExecutionException occurs when the underlying Runnable throws |
231 |
< |
* an exception, here the DivideByZeroException will cause an ExecutionException |
170 |
> |
* unconfigurableScheduledExecutorService(null) throws NPE |
171 |
|
*/ |
172 |
< |
public void testInvoke6() { |
234 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
235 |
< |
|
172 |
> |
public void testunconfigurableScheduledExecutorServiceNPE() { |
173 |
|
try { |
174 |
< |
Callable c = new Callable() { |
238 |
< |
public Object call() { |
239 |
< |
int i = 5/0; |
240 |
< |
return Boolean.TRUE; |
241 |
< |
} |
242 |
< |
}; |
243 |
< |
|
244 |
< |
for(int i =0; i < 5; i++){ |
245 |
< |
Executors.invoke(p,c); |
246 |
< |
} |
247 |
< |
|
174 |
> |
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
175 |
|
shouldThrow(); |
176 |
< |
} catch(RejectedExecutionException e){} |
250 |
< |
catch(InterruptedException e2){} |
251 |
< |
catch(ExecutionException e3){} |
252 |
< |
joinPool(p); |
176 |
> |
} catch (NullPointerException success) {} |
177 |
|
} |
178 |
|
|
179 |
+ |
|
180 |
|
/** |
181 |
< |
* |
181 |
> |
* a newSingleThreadScheduledExecutor successfully runs delayed task |
182 |
|
*/ |
183 |
< |
public void testExecuteRunnable () { |
183 |
> |
public void testNewSingleThreadScheduledExecutor() throws Exception { |
184 |
> |
ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
185 |
|
try { |
186 |
< |
Executor e = new DirectExecutor(); |
187 |
< |
MyTask task = new MyTask(); |
188 |
< |
assertFalse(task.isCompleted()); |
189 |
< |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
190 |
< |
String result = future.get(); |
191 |
< |
assertTrue(task.isCompleted()); |
192 |
< |
assertSame(TEST_STRING, result); |
193 |
< |
} |
194 |
< |
catch (ExecutionException ex) { |
195 |
< |
unexpectedException(); |
196 |
< |
} |
197 |
< |
catch (InterruptedException ex) { |
198 |
< |
unexpectedException(); |
186 |
> |
final CountDownLatch done = new CountDownLatch(1); |
187 |
> |
final Runnable task = new CheckedRunnable() { |
188 |
> |
public void realRun() { |
189 |
> |
done.countDown(); |
190 |
> |
}}; |
191 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
192 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
193 |
> |
assertFalse(f.isDone()); |
194 |
> |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
195 |
> |
assertTrue(f.isDone()); |
196 |
> |
assertEquals(Boolean.TRUE, f.get()); |
197 |
> |
} finally { |
198 |
> |
joinPool(p); |
199 |
|
} |
200 |
|
} |
201 |
|
|
202 |
|
/** |
203 |
< |
* |
203 |
> |
* a newScheduledThreadPool successfully runs delayed task |
204 |
|
*/ |
205 |
< |
public void testInvokeRunnable () { |
205 |
> |
public void testnewScheduledThreadPool() throws Exception { |
206 |
> |
ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
207 |
|
try { |
208 |
< |
Executor e = new DirectExecutor(); |
209 |
< |
MyTask task = new MyTask(); |
210 |
< |
assertFalse(task.isCompleted()); |
211 |
< |
Executors.invoke(e, task); |
212 |
< |
assertTrue(task.isCompleted()); |
213 |
< |
} |
214 |
< |
catch (ExecutionException ex) { |
215 |
< |
unexpectedException(); |
216 |
< |
} |
217 |
< |
catch (InterruptedException ex) { |
218 |
< |
unexpectedException(); |
208 |
> |
final CountDownLatch done = new CountDownLatch(1); |
209 |
> |
final Runnable task = new CheckedRunnable() { |
210 |
> |
public void realRun() { |
211 |
> |
done.countDown(); |
212 |
> |
}}; |
213 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
214 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
215 |
> |
assertFalse(f.isDone()); |
216 |
> |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
217 |
> |
assertTrue(f.isDone()); |
218 |
> |
assertEquals(Boolean.TRUE, f.get()); |
219 |
> |
} finally { |
220 |
> |
joinPool(p); |
221 |
|
} |
222 |
|
} |
223 |
|
|
224 |
|
/** |
225 |
< |
* |
225 |
> |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
226 |
|
*/ |
227 |
< |
public void testExecuteCallable () { |
227 |
> |
public void testunconfigurableScheduledExecutorService() throws Exception { |
228 |
> |
ScheduledExecutorService p = |
229 |
> |
Executors.unconfigurableScheduledExecutorService |
230 |
> |
(Executors.newScheduledThreadPool(2)); |
231 |
|
try { |
232 |
< |
Executor e = new DirectExecutor(); |
233 |
< |
Future<String> future = Executors.execute(e, new StringTask()); |
234 |
< |
String result = future.get(); |
235 |
< |
assertSame(TEST_STRING, result); |
236 |
< |
} |
237 |
< |
catch (ExecutionException ex) { |
238 |
< |
unexpectedException(); |
232 |
> |
final CountDownLatch done = new CountDownLatch(1); |
233 |
> |
final Runnable task = new CheckedRunnable() { |
234 |
> |
public void realRun() { |
235 |
> |
done.countDown(); |
236 |
> |
}}; |
237 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
238 |
> |
SHORT_DELAY_MS, MILLISECONDS); |
239 |
> |
assertFalse(f.isDone()); |
240 |
> |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
241 |
> |
assertTrue(f.isDone()); |
242 |
> |
assertEquals(Boolean.TRUE, f.get()); |
243 |
> |
} finally { |
244 |
> |
joinPool(p); |
245 |
|
} |
246 |
< |
catch (InterruptedException ex) { |
247 |
< |
unexpectedException(); |
246 |
> |
} |
247 |
> |
|
248 |
> |
/** |
249 |
> |
* Future.get on submitted tasks will time out if they compute too long. |
250 |
> |
*/ |
251 |
> |
public void testTimedCallable() throws Exception { |
252 |
> |
final Runnable sleeper = new CheckedInterruptedRunnable() { |
253 |
> |
public void realRun() throws InterruptedException { |
254 |
> |
Thread.sleep(LONG_DELAY_MS); |
255 |
> |
}}; |
256 |
> |
for (ExecutorService executor : |
257 |
> |
new ExecutorService[] { |
258 |
> |
Executors.newSingleThreadExecutor(), |
259 |
> |
Executors.newCachedThreadPool(), |
260 |
> |
Executors.newFixedThreadPool(2), |
261 |
> |
Executors.newScheduledThreadPool(2), |
262 |
> |
}) { |
263 |
> |
try { |
264 |
> |
Future future = executor.submit(sleeper); |
265 |
> |
try { |
266 |
> |
future.get(SHORT_DELAY_MS, MILLISECONDS); |
267 |
> |
shouldThrow(); |
268 |
> |
} catch (TimeoutException success) { |
269 |
> |
} finally { |
270 |
> |
future.cancel(true); |
271 |
> |
} |
272 |
> |
} |
273 |
> |
finally { |
274 |
> |
joinPool(executor); |
275 |
> |
} |
276 |
|
} |
277 |
|
} |
278 |
|
|
279 |
+ |
|
280 |
|
/** |
281 |
< |
* |
281 |
> |
* ThreadPoolExecutor using defaultThreadFactory has |
282 |
> |
* specified group, priority, daemon status, and name |
283 |
|
*/ |
284 |
< |
public void testInvokeCallable () { |
284 |
> |
public void testDefaultThreadFactory() throws Exception { |
285 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
286 |
> |
Runnable r = new CheckedRunnable() { |
287 |
> |
public void realRun() { |
288 |
> |
try { |
289 |
> |
Thread current = Thread.currentThread(); |
290 |
> |
assertTrue(!current.isDaemon()); |
291 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
292 |
> |
ThreadGroup g = current.getThreadGroup(); |
293 |
> |
SecurityManager s = System.getSecurityManager(); |
294 |
> |
if (s != null) |
295 |
> |
assertTrue(g == s.getThreadGroup()); |
296 |
> |
else |
297 |
> |
assertTrue(g == egroup); |
298 |
> |
String name = current.getName(); |
299 |
> |
assertTrue(name.endsWith("thread-1")); |
300 |
> |
} catch (SecurityException ok) { |
301 |
> |
// Also pass if not allowed to change setting |
302 |
> |
} |
303 |
> |
}}; |
304 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
305 |
> |
|
306 |
> |
e.execute(r); |
307 |
|
try { |
308 |
< |
Executor e = new DirectExecutor(); |
309 |
< |
String result = Executors.invoke(e, new StringTask()); |
308 |
> |
e.shutdown(); |
309 |
> |
} catch (SecurityException ok) { |
310 |
> |
} |
311 |
> |
|
312 |
> |
try { |
313 |
> |
Thread.sleep(SHORT_DELAY_MS); |
314 |
> |
} finally { |
315 |
> |
joinPool(e); |
316 |
> |
} |
317 |
> |
} |
318 |
|
|
319 |
< |
assertSame(TEST_STRING, result); |
319 |
> |
/** |
320 |
> |
* ThreadPoolExecutor using privilegedThreadFactory has |
321 |
> |
* specified group, priority, daemon status, name, |
322 |
> |
* access control context and context class loader |
323 |
> |
*/ |
324 |
> |
public void testPrivilegedThreadFactory() throws Exception { |
325 |
> |
Runnable r = new CheckedRunnable() { |
326 |
> |
public void realRun() throws Exception { |
327 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
328 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
329 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
330 |
> |
Runnable r = new CheckedRunnable() { |
331 |
> |
public void realRun() { |
332 |
> |
Thread current = Thread.currentThread(); |
333 |
> |
assertTrue(!current.isDaemon()); |
334 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
335 |
> |
ThreadGroup g = current.getThreadGroup(); |
336 |
> |
SecurityManager s = System.getSecurityManager(); |
337 |
> |
if (s != null) |
338 |
> |
assertTrue(g == s.getThreadGroup()); |
339 |
> |
else |
340 |
> |
assertTrue(g == egroup); |
341 |
> |
String name = current.getName(); |
342 |
> |
assertTrue(name.endsWith("thread-1")); |
343 |
> |
assertSame(thisccl, current.getContextClassLoader()); |
344 |
> |
assertEquals(thisacc, AccessController.getContext()); |
345 |
> |
}}; |
346 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
347 |
> |
e.execute(r); |
348 |
> |
e.shutdown(); |
349 |
> |
Thread.sleep(SHORT_DELAY_MS); |
350 |
> |
joinPool(e); |
351 |
> |
}}; |
352 |
> |
|
353 |
> |
runWithPermissions(r, |
354 |
> |
new RuntimePermission("getClassLoader"), |
355 |
> |
new RuntimePermission("setContextClassLoader"), |
356 |
> |
new RuntimePermission("modifyThread")); |
357 |
> |
} |
358 |
> |
|
359 |
> |
boolean haveCCLPermissions() { |
360 |
> |
SecurityManager sm = System.getSecurityManager(); |
361 |
> |
if (sm != null) { |
362 |
> |
try { |
363 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
364 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
365 |
> |
} catch (AccessControlException e) { |
366 |
> |
return false; |
367 |
> |
} |
368 |
|
} |
369 |
< |
catch (ExecutionException ex) { |
370 |
< |
unexpectedException(); |
369 |
> |
return true; |
370 |
> |
} |
371 |
> |
|
372 |
> |
void checkCCL() { |
373 |
> |
SecurityManager sm = System.getSecurityManager(); |
374 |
> |
if (sm != null) { |
375 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
376 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
377 |
|
} |
378 |
< |
catch (InterruptedException ex) { |
379 |
< |
unexpectedException(); |
378 |
> |
} |
379 |
> |
|
380 |
> |
class CheckCCL implements Callable<Object> { |
381 |
> |
public Object call() { |
382 |
> |
checkCCL(); |
383 |
> |
return null; |
384 |
|
} |
385 |
|
} |
386 |
|
|
387 |
+ |
|
388 |
|
/** |
389 |
< |
* timeouts from execute will time out if they compute too long. |
389 |
> |
* Without class loader permissions, creating |
390 |
> |
* privilegedCallableUsingCurrentClassLoader throws ACE |
391 |
|
*/ |
392 |
< |
public void testTimedCallable() { |
393 |
< |
int N = 10000; |
394 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
395 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
396 |
< |
try { |
339 |
< |
long startTime = System.currentTimeMillis(); |
340 |
< |
|
341 |
< |
long i = 0; |
342 |
< |
while (tasks.size() < N) { |
343 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
344 |
< |
i += 10; |
345 |
< |
} |
346 |
< |
|
347 |
< |
int iters = 0; |
348 |
< |
BigInteger sum = BigInteger.ZERO; |
349 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
392 |
> |
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
393 |
> |
Runnable r = new CheckedRunnable() { |
394 |
> |
public void realRun() throws Exception { |
395 |
> |
if (System.getSecurityManager() == null) |
396 |
> |
return; |
397 |
|
try { |
398 |
< |
++iters; |
399 |
< |
sum = sum.add(it.next().call()); |
400 |
< |
} |
401 |
< |
catch (TimeoutException success) { |
402 |
< |
assertTrue(iters > 0); |
398 |
> |
Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
399 |
> |
shouldThrow(); |
400 |
> |
} catch (AccessControlException success) {} |
401 |
> |
}}; |
402 |
> |
|
403 |
> |
runWithoutPermissions(r); |
404 |
> |
} |
405 |
> |
|
406 |
> |
/** |
407 |
> |
* With class loader permissions, calling |
408 |
> |
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
409 |
> |
*/ |
410 |
> |
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
411 |
> |
Runnable r = new CheckedRunnable() { |
412 |
> |
public void realRun() throws Exception { |
413 |
> |
Executors.privilegedCallableUsingCurrentClassLoader |
414 |
> |
(new NoOpCallable()) |
415 |
> |
.call(); |
416 |
> |
}}; |
417 |
> |
|
418 |
> |
runWithPermissions(r, |
419 |
> |
new RuntimePermission("getClassLoader"), |
420 |
> |
new RuntimePermission("setContextClassLoader")); |
421 |
> |
} |
422 |
> |
|
423 |
> |
/** |
424 |
> |
* Without permissions, calling privilegedCallable throws ACE |
425 |
> |
*/ |
426 |
> |
public void testprivilegedCallableWithNoPrivs() throws Exception { |
427 |
> |
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
428 |
> |
Executors.privilegedCallable(new CheckCCL()); |
429 |
> |
|
430 |
> |
Runnable r = new CheckedRunnable() { |
431 |
> |
public void realRun() throws Exception { |
432 |
> |
if (System.getSecurityManager() == null) |
433 |
|
return; |
434 |
< |
} |
435 |
< |
catch (Exception e) { |
436 |
< |
unexpectedException(); |
437 |
< |
} |
438 |
< |
} |
439 |
< |
// if by chance we didn't ever time out, total time must be small |
440 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
441 |
< |
assertTrue(elapsed < N); |
442 |
< |
} |
443 |
< |
finally { |
444 |
< |
joinPool(executor); |
445 |
< |
} |
434 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
435 |
> |
try { |
436 |
> |
task.call(); |
437 |
> |
shouldThrow(); |
438 |
> |
} catch (AccessControlException success) {} |
439 |
> |
}}; |
440 |
> |
|
441 |
> |
runWithoutPermissions(r); |
442 |
> |
|
443 |
> |
// It seems rather difficult to test that the |
444 |
> |
// AccessControlContext of the privilegedCallable is used |
445 |
> |
// instead of its caller. Below is a failed attempt to do |
446 |
> |
// that, which does not work because the AccessController |
447 |
> |
// cannot capture the internal state of the current Policy. |
448 |
> |
// It would be much more work to differentiate based on, |
449 |
> |
// e.g. CodeSource. |
450 |
> |
|
451 |
> |
// final AccessControlContext[] noprivAcc = new AccessControlContext[1]; |
452 |
> |
// final Callable[] task = new Callable[1]; |
453 |
> |
|
454 |
> |
// runWithPermissions |
455 |
> |
// (new CheckedRunnable() { |
456 |
> |
// public void realRun() { |
457 |
> |
// if (System.getSecurityManager() == null) |
458 |
> |
// return; |
459 |
> |
// noprivAcc[0] = AccessController.getContext(); |
460 |
> |
// task[0] = Executors.privilegedCallable(new CheckCCL()); |
461 |
> |
// try { |
462 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
463 |
> |
// public Void run() { |
464 |
> |
// checkCCL(); |
465 |
> |
// return null; |
466 |
> |
// }}, noprivAcc[0]); |
467 |
> |
// shouldThrow(); |
468 |
> |
// } catch (AccessControlException success) {} |
469 |
> |
// }}); |
470 |
> |
|
471 |
> |
// runWithPermissions |
472 |
> |
// (new CheckedRunnable() { |
473 |
> |
// public void realRun() throws Exception { |
474 |
> |
// if (System.getSecurityManager() == null) |
475 |
> |
// return; |
476 |
> |
// // Verify that we have an underprivileged ACC |
477 |
> |
// try { |
478 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
479 |
> |
// public Void run() { |
480 |
> |
// checkCCL(); |
481 |
> |
// return null; |
482 |
> |
// }}, noprivAcc[0]); |
483 |
> |
// shouldThrow(); |
484 |
> |
// } catch (AccessControlException success) {} |
485 |
> |
|
486 |
> |
// try { |
487 |
> |
// task[0].call(); |
488 |
> |
// shouldThrow(); |
489 |
> |
// } catch (AccessControlException success) {} |
490 |
> |
// }}, |
491 |
> |
// new RuntimePermission("getClassLoader"), |
492 |
> |
// new RuntimePermission("setContextClassLoader")); |
493 |
> |
} |
494 |
> |
|
495 |
> |
/** |
496 |
> |
* With permissions, calling privilegedCallable succeeds |
497 |
> |
*/ |
498 |
> |
public void testprivilegedCallableWithPrivs() throws Exception { |
499 |
> |
Runnable r = new CheckedRunnable() { |
500 |
> |
public void realRun() throws Exception { |
501 |
> |
Executors.privilegedCallable(new CheckCCL()).call(); |
502 |
> |
}}; |
503 |
> |
|
504 |
> |
runWithPermissions(r, |
505 |
> |
new RuntimePermission("getClassLoader"), |
506 |
> |
new RuntimePermission("setContextClassLoader")); |
507 |
|
} |
508 |
|
|
509 |
< |
|
509 |
> |
/** |
510 |
> |
* callable(Runnable) returns null when called |
511 |
> |
*/ |
512 |
> |
public void testCallable1() throws Exception { |
513 |
> |
Callable c = Executors.callable(new NoOpRunnable()); |
514 |
> |
assertNull(c.call()); |
515 |
> |
} |
516 |
> |
|
517 |
> |
/** |
518 |
> |
* callable(Runnable, result) returns result when called |
519 |
> |
*/ |
520 |
> |
public void testCallable2() throws Exception { |
521 |
> |
Callable c = Executors.callable(new NoOpRunnable(), one); |
522 |
> |
assertSame(one, c.call()); |
523 |
> |
} |
524 |
> |
|
525 |
> |
/** |
526 |
> |
* callable(PrivilegedAction) returns its result when called |
527 |
> |
*/ |
528 |
> |
public void testCallable3() throws Exception { |
529 |
> |
Callable c = Executors.callable(new PrivilegedAction() { |
530 |
> |
public Object run() { return one; }}); |
531 |
> |
assertSame(one, c.call()); |
532 |
> |
} |
533 |
> |
|
534 |
> |
/** |
535 |
> |
* callable(PrivilegedExceptionAction) returns its result when called |
536 |
> |
*/ |
537 |
> |
public void testCallable4() throws Exception { |
538 |
> |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
539 |
> |
public Object run() { return one; }}); |
540 |
> |
assertSame(one, c.call()); |
541 |
> |
} |
542 |
> |
|
543 |
> |
|
544 |
> |
/** |
545 |
> |
* callable(null Runnable) throws NPE |
546 |
> |
*/ |
547 |
> |
public void testCallableNPE1() { |
548 |
> |
try { |
549 |
> |
Callable c = Executors.callable((Runnable) null); |
550 |
> |
shouldThrow(); |
551 |
> |
} catch (NullPointerException success) {} |
552 |
> |
} |
553 |
> |
|
554 |
> |
/** |
555 |
> |
* callable(null, result) throws NPE |
556 |
> |
*/ |
557 |
> |
public void testCallableNPE2() { |
558 |
> |
try { |
559 |
> |
Callable c = Executors.callable((Runnable) null, one); |
560 |
> |
shouldThrow(); |
561 |
> |
} catch (NullPointerException success) {} |
562 |
> |
} |
563 |
> |
|
564 |
> |
/** |
565 |
> |
* callable(null PrivilegedAction) throws NPE |
566 |
> |
*/ |
567 |
> |
public void testCallableNPE3() { |
568 |
> |
try { |
569 |
> |
Callable c = Executors.callable((PrivilegedAction) null); |
570 |
> |
shouldThrow(); |
571 |
> |
} catch (NullPointerException success) {} |
572 |
> |
} |
573 |
> |
|
574 |
> |
/** |
575 |
> |
* callable(null PrivilegedExceptionAction) throws NPE |
576 |
> |
*/ |
577 |
> |
public void testCallableNPE4() { |
578 |
> |
try { |
579 |
> |
Callable c = Executors.callable((PrivilegedExceptionAction) null); |
580 |
> |
shouldThrow(); |
581 |
> |
} catch (NullPointerException success) {} |
582 |
> |
} |
583 |
|
|
584 |
|
|
585 |
|
} |