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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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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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} |
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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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|
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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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|
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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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|
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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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* For use as ThreadFactory in constructors |
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*/ |
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static class MyThreadFactory implements ThreadFactory{ |
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public Thread newThread(Runnable r){ |
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return new Thread(r); |
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} |
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return new TestSuite(ExecutorsTest.class); |
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} |
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/** |
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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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e.shutdown(); |
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joinPool(e); |
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} |
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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 MyThreadFactory()); |
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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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e.shutdown(); |
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joinPool(e); |
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} |
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|
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/** |
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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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} catch (NullPointerException success) {} |
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} |
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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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e.shutdown(); |
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joinPool(e); |
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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 MyThreadFactory()); |
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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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e.shutdown(); |
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joinPool(e); |
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} |
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/** |
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try { |
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ExecutorService e = Executors.newSingleThreadExecutor(null); |
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shouldThrow(); |
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} |
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catch(NullPointerException success) { |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* A new SingleThreadExecutor cannot be casted to concrete implementation |
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*/ |
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public void testCastNewSingleThreadExecutor() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
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try { |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
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shouldThrow(); |
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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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* A new newFixedThreadPool can execute runnables |
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*/ |
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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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e.shutdown(); |
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joinPool(e); |
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} |
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|
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/** |
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* A new newFixedThreadPool with given ThreadFactory can execute runnables |
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*/ |
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public void testNewFixedThreadPool2() { |
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ExecutorService e = Executors.newFixedThreadPool(2, new MyThreadFactory()); |
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ExecutorService e = Executors.newFixedThreadPool(2, 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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e.shutdown(); |
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joinPool(e); |
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} |
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|
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/** |
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try { |
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ExecutorService e = Executors.newFixedThreadPool(2, 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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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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try { |
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ExecutorService e = Executors.newFixedThreadPool(0); |
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shouldThrow(); |
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} |
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catch(IllegalArgumentException success) { |
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} |
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} catch (IllegalArgumentException success) {} |
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} |
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|
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|
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/** |
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* execute of runnable runs it to completion |
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* An unconfigurable newFixedThreadPool can execute runnables |
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*/ |
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public void testExecuteRunnable () { |
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try { |
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Executor e = new DirectExecutor(); |
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MyTask task = new MyTask(); |
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assertFalse(task.isCompleted()); |
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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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assertTrue(task.isCompleted()); |
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assertSame(TEST_STRING, result); |
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} |
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catch (ExecutionException ex) { |
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unexpectedException(); |
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} |
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catch (InterruptedException ex) { |
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unexpectedException(); |
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} |
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public void testunconfigurableExecutorService() { |
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ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
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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 of a runnable runs it to completion |
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* unconfigurableExecutorService(null) throws NPE |
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*/ |
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public void testInvokeRunnable () { |
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public void testunconfigurableExecutorServiceNPE() { |
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try { |
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Executor e = new DirectExecutor(); |
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MyTask task = new MyTask(); |
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assertFalse(task.isCompleted()); |
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Executors.invoke(e, task); |
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assertTrue(task.isCompleted()); |
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} |
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catch (ExecutionException ex) { |
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unexpectedException(); |
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} |
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catch (InterruptedException ex) { |
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unexpectedException(); |
242 |
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} |
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ExecutorService e = Executors.unconfigurableExecutorService(null); |
165 |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* execute of a callable runs it to completion |
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* unconfigurableScheduledExecutorService(null) throws NPE |
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*/ |
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public void testExecuteCallable () { |
172 |
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public void testunconfigurableScheduledExecutorServiceNPE() { |
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try { |
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Executor e = new DirectExecutor(); |
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Future<String> future = Executors.execute(e, new StringTask()); |
176 |
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String result = future.get(); |
253 |
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assertSame(TEST_STRING, result); |
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} |
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catch (ExecutionException ex) { |
256 |
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unexpectedException(); |
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} |
258 |
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catch (InterruptedException ex) { |
259 |
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unexpectedException(); |
260 |
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} |
174 |
> |
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
175 |
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shouldThrow(); |
176 |
> |
} catch (NullPointerException success) {} |
177 |
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} |
178 |
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|
179 |
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|
180 |
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/** |
181 |
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* invoke of a collable runs it to completion |
181 |
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* a newSingleThreadScheduledExecutor successfully runs delayed task |
182 |
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*/ |
183 |
< |
public void testInvokeCallable () { |
184 |
< |
try { |
185 |
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Executor e = new DirectExecutor(); |
186 |
< |
String result = Executors.invoke(e, new StringTask()); |
187 |
< |
|
188 |
< |
assertSame(TEST_STRING, result); |
189 |
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} |
190 |
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catch (ExecutionException ex) { |
191 |
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unexpectedException(); |
275 |
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} |
276 |
< |
catch (InterruptedException ex) { |
277 |
< |
unexpectedException(); |
278 |
< |
} |
183 |
> |
public void testNewSingleThreadScheduledExecutor() throws Exception { |
184 |
> |
TrackedCallable callable = new TrackedCallable(); |
185 |
> |
ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
186 |
> |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
187 |
> |
assertFalse(callable.done); |
188 |
> |
Thread.sleep(MEDIUM_DELAY_MS); |
189 |
> |
assertTrue(callable.done); |
190 |
> |
assertEquals(Boolean.TRUE, f.get()); |
191 |
> |
joinPool(p1); |
192 |
|
} |
193 |
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|
194 |
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/** |
195 |
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* execute with null executor throws NPE |
195 |
> |
* a newScheduledThreadPool successfully runs delayed task |
196 |
|
*/ |
197 |
< |
public void testNullExecuteRunnable () { |
198 |
< |
try { |
199 |
< |
MyTask task = new MyTask(); |
200 |
< |
assertFalse(task.isCompleted()); |
201 |
< |
Future<String> future = Executors.execute(null, task, TEST_STRING); |
202 |
< |
shouldThrow(); |
203 |
< |
} |
204 |
< |
catch (NullPointerException success) { |
205 |
< |
} |
293 |
< |
catch (Exception ex) { |
294 |
< |
unexpectedException(); |
295 |
< |
} |
197 |
> |
public void testnewScheduledThreadPool() throws Exception { |
198 |
> |
TrackedCallable callable = new TrackedCallable(); |
199 |
> |
ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
200 |
> |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
201 |
> |
assertFalse(callable.done); |
202 |
> |
Thread.sleep(MEDIUM_DELAY_MS); |
203 |
> |
assertTrue(callable.done); |
204 |
> |
assertEquals(Boolean.TRUE, f.get()); |
205 |
> |
joinPool(p1); |
206 |
|
} |
207 |
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|
208 |
|
/** |
209 |
< |
* execute with a null runnable throws NPE |
209 |
> |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
210 |
|
*/ |
211 |
< |
public void testExecuteNullRunnable() { |
212 |
< |
try { |
213 |
< |
Executor e = new DirectExecutor(); |
214 |
< |
MyTask task = null; |
215 |
< |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
216 |
< |
shouldThrow(); |
217 |
< |
} |
218 |
< |
catch (NullPointerException success) { |
219 |
< |
} |
310 |
< |
catch (Exception ex) { |
311 |
< |
unexpectedException(); |
312 |
< |
} |
211 |
> |
public void testunconfigurableScheduledExecutorService() throws Exception { |
212 |
> |
TrackedCallable callable = new TrackedCallable(); |
213 |
> |
ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
214 |
> |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
215 |
> |
assertFalse(callable.done); |
216 |
> |
Thread.sleep(MEDIUM_DELAY_MS); |
217 |
> |
assertTrue(callable.done); |
218 |
> |
assertEquals(Boolean.TRUE, f.get()); |
219 |
> |
joinPool(p1); |
220 |
|
} |
221 |
|
|
222 |
|
/** |
223 |
< |
* invoke of a null runnable throws NPE |
223 |
> |
* Future.get on submitted tasks will time out if they compute too long. |
224 |
|
*/ |
225 |
< |
public void testInvokeNullRunnable () { |
226 |
< |
try { |
227 |
< |
Executor e = new DirectExecutor(); |
228 |
< |
MyTask task = null; |
229 |
< |
Executors.invoke(e, task); |
230 |
< |
shouldThrow(); |
231 |
< |
} |
232 |
< |
catch (NullPointerException success) { |
233 |
< |
} |
234 |
< |
catch (Exception ex) { |
235 |
< |
unexpectedException(); |
225 |
> |
public void testTimedCallable() throws Exception { |
226 |
> |
final Runnable sleeper = |
227 |
> |
new RunnableShouldThrow(InterruptedException.class) { |
228 |
> |
public void realRun() throws InterruptedException { |
229 |
> |
Thread.sleep(LONG_DELAY_MS); |
230 |
> |
}}; |
231 |
> |
for (ExecutorService executor : |
232 |
> |
new ExecutorService[] { |
233 |
> |
Executors.newSingleThreadExecutor(), |
234 |
> |
Executors.newCachedThreadPool(), |
235 |
> |
Executors.newFixedThreadPool(2), |
236 |
> |
Executors.newScheduledThreadPool(2), |
237 |
> |
}) { |
238 |
> |
try { |
239 |
> |
Future future = executor.submit(sleeper); |
240 |
> |
try { |
241 |
> |
future.get(SHORT_DELAY_MS, MILLISECONDS); |
242 |
> |
shouldThrow(); |
243 |
> |
} catch (TimeoutException success) { |
244 |
> |
} finally { |
245 |
> |
future.cancel(true); |
246 |
> |
} |
247 |
> |
} |
248 |
> |
finally { |
249 |
> |
joinPool(executor); |
250 |
> |
} |
251 |
|
} |
252 |
|
} |
253 |
|
|
254 |
+ |
|
255 |
|
/** |
256 |
< |
* execute of a null callable throws NPE |
256 |
> |
* ThreadPoolExecutor using defaultThreadFactory has |
257 |
> |
* specified group, priority, daemon status, and name |
258 |
|
*/ |
259 |
< |
public void testExecuteNullCallable () { |
259 |
> |
public void testDefaultThreadFactory() throws Exception { |
260 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
261 |
> |
Runnable r = new CheckedRunnable() { |
262 |
> |
public void realRun() { |
263 |
> |
try { |
264 |
> |
Thread current = Thread.currentThread(); |
265 |
> |
assertTrue(!current.isDaemon()); |
266 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
267 |
> |
ThreadGroup g = current.getThreadGroup(); |
268 |
> |
SecurityManager s = System.getSecurityManager(); |
269 |
> |
if (s != null) |
270 |
> |
assertTrue(g == s.getThreadGroup()); |
271 |
> |
else |
272 |
> |
assertTrue(g == egroup); |
273 |
> |
String name = current.getName(); |
274 |
> |
assertTrue(name.endsWith("thread-1")); |
275 |
> |
} catch (SecurityException ok) { |
276 |
> |
// Also pass if not allowed to change setting |
277 |
> |
} |
278 |
> |
}}; |
279 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
280 |
> |
|
281 |
> |
e.execute(r); |
282 |
|
try { |
283 |
< |
Executor e = new DirectExecutor(); |
284 |
< |
StringTask t = null; |
339 |
< |
Future<String> future = Executors.execute(e, t); |
340 |
< |
shouldThrow(); |
341 |
< |
} |
342 |
< |
catch (NullPointerException success) { |
283 |
> |
e.shutdown(); |
284 |
> |
} catch (SecurityException ok) { |
285 |
|
} |
286 |
< |
catch (Exception ex) { |
287 |
< |
unexpectedException(); |
286 |
> |
|
287 |
> |
try { |
288 |
> |
Thread.sleep(SHORT_DELAY_MS); |
289 |
> |
} finally { |
290 |
> |
joinPool(e); |
291 |
|
} |
292 |
|
} |
293 |
|
|
294 |
|
/** |
295 |
< |
* invoke of a null callable throws NPE |
296 |
< |
*/ |
297 |
< |
public void testInvokeNullCallable () { |
298 |
< |
try { |
299 |
< |
Executor e = new DirectExecutor(); |
300 |
< |
StringTask t = null; |
301 |
< |
String result = Executors.invoke(e, t); |
302 |
< |
shouldThrow(); |
295 |
> |
* ThreadPoolExecutor using privilegedThreadFactory has |
296 |
> |
* specified group, priority, daemon status, name, |
297 |
> |
* access control context and context class loader |
298 |
> |
*/ |
299 |
> |
public void testPrivilegedThreadFactory() throws Exception { |
300 |
> |
Runnable r = new CheckedRunnable() { |
301 |
> |
public void realRun() throws Exception { |
302 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
303 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
304 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
305 |
> |
Runnable r = new CheckedRunnable() { |
306 |
> |
public void realRun() { |
307 |
> |
Thread current = Thread.currentThread(); |
308 |
> |
assertTrue(!current.isDaemon()); |
309 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
310 |
> |
ThreadGroup g = current.getThreadGroup(); |
311 |
> |
SecurityManager s = System.getSecurityManager(); |
312 |
> |
if (s != null) |
313 |
> |
assertTrue(g == s.getThreadGroup()); |
314 |
> |
else |
315 |
> |
assertTrue(g == egroup); |
316 |
> |
String name = current.getName(); |
317 |
> |
assertTrue(name.endsWith("thread-1")); |
318 |
> |
assertSame(thisccl, current.getContextClassLoader()); |
319 |
> |
assertEquals(thisacc, AccessController.getContext()); |
320 |
> |
}}; |
321 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
322 |
> |
e.execute(r); |
323 |
> |
e.shutdown(); |
324 |
> |
Thread.sleep(SHORT_DELAY_MS); |
325 |
> |
joinPool(e); |
326 |
> |
}}; |
327 |
> |
|
328 |
> |
runWithPermissions(r, |
329 |
> |
new RuntimePermission("getClassLoader"), |
330 |
> |
new RuntimePermission("setContextClassLoader"), |
331 |
> |
new RuntimePermission("modifyThread")); |
332 |
> |
} |
333 |
> |
|
334 |
> |
boolean haveCCLPermissions() { |
335 |
> |
SecurityManager sm = System.getSecurityManager(); |
336 |
> |
if (sm != null) { |
337 |
> |
try { |
338 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
339 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
340 |
> |
} catch (AccessControlException e) { |
341 |
> |
return false; |
342 |
> |
} |
343 |
|
} |
344 |
< |
catch (NullPointerException success) { |
344 |
> |
return true; |
345 |
> |
} |
346 |
> |
|
347 |
> |
void checkCCL() { |
348 |
> |
SecurityManager sm = System.getSecurityManager(); |
349 |
> |
if (sm != null) { |
350 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
351 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
352 |
|
} |
353 |
< |
catch (Exception ex) { |
354 |
< |
unexpectedException(); |
353 |
> |
} |
354 |
> |
|
355 |
> |
class CheckCCL implements Callable<Object> { |
356 |
> |
public Object call() { |
357 |
> |
checkCCL(); |
358 |
> |
return null; |
359 |
|
} |
360 |
|
} |
361 |
|
|
362 |
+ |
|
363 |
|
/** |
364 |
< |
* execute(Executor, Runnable) throws RejectedExecutionException |
365 |
< |
* if saturated. |
364 |
> |
* Without class loader permissions, creating |
365 |
> |
* privilegedCallableUsingCurrentClassLoader throws ACE |
366 |
|
*/ |
367 |
< |
public void testExecute1() { |
368 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
369 |
< |
try { |
370 |
< |
|
371 |
< |
for(int i = 0; i < 5; ++i){ |
372 |
< |
Executors.execute(p, new MediumRunnable(), Boolean.TRUE); |
373 |
< |
} |
374 |
< |
shouldThrow(); |
375 |
< |
} catch(RejectedExecutionException success){} |
376 |
< |
joinPool(p); |
367 |
> |
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
368 |
> |
Runnable r = new CheckedRunnable() { |
369 |
> |
public void realRun() throws Exception { |
370 |
> |
if (System.getSecurityManager() == null) |
371 |
> |
return; |
372 |
> |
try { |
373 |
> |
Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
374 |
> |
shouldThrow(); |
375 |
> |
} catch (AccessControlException success) {} |
376 |
> |
}}; |
377 |
> |
|
378 |
> |
runWithoutPermissions(r); |
379 |
|
} |
380 |
|
|
381 |
|
/** |
382 |
< |
* execute(Executor, Callable)throws RejectedExecutionException |
383 |
< |
* if saturated. |
382 |
> |
* With class loader permissions, calling |
383 |
> |
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
384 |
|
*/ |
385 |
< |
public void testExecute2() { |
386 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
387 |
< |
try { |
388 |
< |
for(int i = 0; i < 5; ++i) { |
389 |
< |
Executors.execute(p, new SmallCallable()); |
390 |
< |
} |
391 |
< |
shouldThrow(); |
392 |
< |
} catch(RejectedExecutionException e){} |
393 |
< |
joinPool(p); |
385 |
> |
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
386 |
> |
Runnable r = new CheckedRunnable() { |
387 |
> |
public void realRun() throws Exception { |
388 |
> |
Executors.privilegedCallableUsingCurrentClassLoader |
389 |
> |
(new NoOpCallable()) |
390 |
> |
.call(); |
391 |
> |
}}; |
392 |
> |
|
393 |
> |
runWithPermissions(r, |
394 |
> |
new RuntimePermission("getClassLoader"), |
395 |
> |
new RuntimePermission("setContextClassLoader")); |
396 |
|
} |
397 |
|
|
398 |
+ |
/** |
399 |
+ |
* Without permissions, calling privilegedCallable throws ACE |
400 |
+ |
*/ |
401 |
+ |
public void testprivilegedCallableWithNoPrivs() throws Exception { |
402 |
+ |
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
403 |
+ |
Executors.privilegedCallable(new CheckCCL()); |
404 |
+ |
|
405 |
+ |
Runnable r = new CheckedRunnable() { |
406 |
+ |
public void realRun() throws Exception { |
407 |
+ |
if (System.getSecurityManager() == null) |
408 |
+ |
return; |
409 |
+ |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
410 |
+ |
try { |
411 |
+ |
task.call(); |
412 |
+ |
shouldThrow(); |
413 |
+ |
} catch (AccessControlException success) {} |
414 |
+ |
}}; |
415 |
+ |
|
416 |
+ |
runWithoutPermissions(r); |
417 |
+ |
|
418 |
+ |
// It seems rather difficult to test that the |
419 |
+ |
// AccessControlContext of the privilegedCallable is used |
420 |
+ |
// instead of its caller. Below is a failed attempt to do |
421 |
+ |
// that, which does not work because the AccessController |
422 |
+ |
// cannot capture the internal state of the current Policy. |
423 |
+ |
// It would be much more work to differentiate based on, |
424 |
+ |
// e.g. CodeSource. |
425 |
+ |
|
426 |
+ |
// final AccessControlContext[] noprivAcc = new AccessControlContext[1]; |
427 |
+ |
// final Callable[] task = new Callable[1]; |
428 |
+ |
|
429 |
+ |
// runWithPermissions |
430 |
+ |
// (new CheckedRunnable() { |
431 |
+ |
// public void realRun() { |
432 |
+ |
// if (System.getSecurityManager() == null) |
433 |
+ |
// return; |
434 |
+ |
// noprivAcc[0] = AccessController.getContext(); |
435 |
+ |
// task[0] = Executors.privilegedCallable(new CheckCCL()); |
436 |
+ |
// try { |
437 |
+ |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
438 |
+ |
// public Void run() { |
439 |
+ |
// checkCCL(); |
440 |
+ |
// return null; |
441 |
+ |
// }}, noprivAcc[0]); |
442 |
+ |
// shouldThrow(); |
443 |
+ |
// } catch (AccessControlException success) {} |
444 |
+ |
// }}); |
445 |
+ |
|
446 |
+ |
// runWithPermissions |
447 |
+ |
// (new CheckedRunnable() { |
448 |
+ |
// public void realRun() throws Exception { |
449 |
+ |
// if (System.getSecurityManager() == null) |
450 |
+ |
// return; |
451 |
+ |
// // Verify that we have an underprivileged ACC |
452 |
+ |
// try { |
453 |
+ |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
454 |
+ |
// public Void run() { |
455 |
+ |
// checkCCL(); |
456 |
+ |
// return null; |
457 |
+ |
// }}, noprivAcc[0]); |
458 |
+ |
// shouldThrow(); |
459 |
+ |
// } catch (AccessControlException success) {} |
460 |
+ |
|
461 |
+ |
// try { |
462 |
+ |
// task[0].call(); |
463 |
+ |
// shouldThrow(); |
464 |
+ |
// } catch (AccessControlException success) {} |
465 |
+ |
// }}, |
466 |
+ |
// new RuntimePermission("getClassLoader"), |
467 |
+ |
// new RuntimePermission("setContextClassLoader")); |
468 |
+ |
} |
469 |
|
|
470 |
|
/** |
471 |
< |
* invoke(Executor, Runnable) throws InterruptedException if |
400 |
< |
* caller interrupted. |
471 |
> |
* With permissions, calling privilegedCallable succeeds |
472 |
|
*/ |
473 |
< |
public void testInterruptedInvoke() { |
474 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
475 |
< |
Thread t = new Thread(new Runnable() { |
476 |
< |
public void run() { |
477 |
< |
try { |
478 |
< |
Executors.invoke(p,new Runnable() { |
479 |
< |
public void run() { |
480 |
< |
try { |
481 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
411 |
< |
shouldThrow(); |
412 |
< |
} catch(InterruptedException e){ |
413 |
< |
} |
414 |
< |
} |
415 |
< |
}); |
416 |
< |
} catch(InterruptedException success){ |
417 |
< |
} catch(Exception e) { |
418 |
< |
unexpectedException(); |
419 |
< |
} |
420 |
< |
|
421 |
< |
} |
422 |
< |
}); |
423 |
< |
try { |
424 |
< |
t.start(); |
425 |
< |
Thread.sleep(SHORT_DELAY_MS); |
426 |
< |
t.interrupt(); |
427 |
< |
} catch(Exception e){ |
428 |
< |
unexpectedException(); |
429 |
< |
} |
430 |
< |
joinPool(p); |
473 |
> |
public void testprivilegedCallableWithPrivs() throws Exception { |
474 |
> |
Runnable r = new CheckedRunnable() { |
475 |
> |
public void realRun() throws Exception { |
476 |
> |
Executors.privilegedCallable(new CheckCCL()).call(); |
477 |
> |
}}; |
478 |
> |
|
479 |
> |
runWithPermissions(r, |
480 |
> |
new RuntimePermission("getClassLoader"), |
481 |
> |
new RuntimePermission("setContextClassLoader")); |
482 |
|
} |
483 |
|
|
484 |
|
/** |
485 |
< |
* invoke(Executor, Runnable) throws ExecutionException if |
435 |
< |
* runnable throws exception. |
485 |
> |
* callable(Runnable) returns null when called |
486 |
|
*/ |
487 |
< |
public void testInvoke3() { |
488 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
489 |
< |
try { |
440 |
< |
Runnable r = new Runnable() { |
441 |
< |
public void run() { |
442 |
< |
int i = 5/0; |
443 |
< |
} |
444 |
< |
}; |
445 |
< |
|
446 |
< |
for(int i =0; i < 5; i++){ |
447 |
< |
Executors.invoke(p,r); |
448 |
< |
} |
449 |
< |
|
450 |
< |
shouldThrow(); |
451 |
< |
} catch(ExecutionException success){ |
452 |
< |
} catch(Exception e){ |
453 |
< |
unexpectedException(); |
454 |
< |
} |
455 |
< |
joinPool(p); |
487 |
> |
public void testCallable1() throws Exception { |
488 |
> |
Callable c = Executors.callable(new NoOpRunnable()); |
489 |
> |
assertNull(c.call()); |
490 |
|
} |
491 |
|
|
492 |
+ |
/** |
493 |
+ |
* callable(Runnable, result) returns result when called |
494 |
+ |
*/ |
495 |
+ |
public void testCallable2() throws Exception { |
496 |
+ |
Callable c = Executors.callable(new NoOpRunnable(), one); |
497 |
+ |
assertSame(one, c.call()); |
498 |
+ |
} |
499 |
|
|
500 |
+ |
/** |
501 |
+ |
* callable(PrivilegedAction) returns its result when called |
502 |
+ |
*/ |
503 |
+ |
public void testCallable3() throws Exception { |
504 |
+ |
Callable c = Executors.callable(new PrivilegedAction() { |
505 |
+ |
public Object run() { return one; }}); |
506 |
+ |
assertSame(one, c.call()); |
507 |
+ |
} |
508 |
|
|
509 |
|
/** |
510 |
< |
* invoke(Executor, Callable) throws InterruptedException if |
462 |
< |
* callable throws exception |
510 |
> |
* callable(PrivilegedExceptionAction) returns its result when called |
511 |
|
*/ |
512 |
< |
public void testInvoke5() { |
513 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
514 |
< |
|
515 |
< |
final Callable c = new Callable() { |
516 |
< |
public Object call() { |
469 |
< |
try { |
470 |
< |
Executors.invoke(p, new SmallCallable()); |
471 |
< |
shouldThrow(); |
472 |
< |
} catch(InterruptedException e){} |
473 |
< |
catch(RejectedExecutionException e2){} |
474 |
< |
catch(ExecutionException e3){} |
475 |
< |
return Boolean.TRUE; |
476 |
< |
} |
477 |
< |
}; |
512 |
> |
public void testCallable4() throws Exception { |
513 |
> |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
514 |
> |
public Object run() { return one; }}); |
515 |
> |
assertSame(one, c.call()); |
516 |
> |
} |
517 |
|
|
518 |
|
|
519 |
< |
|
520 |
< |
Thread t = new Thread(new Runnable() { |
521 |
< |
public void run() { |
522 |
< |
try { |
484 |
< |
c.call(); |
485 |
< |
} catch(Exception e){} |
486 |
< |
} |
487 |
< |
}); |
519 |
> |
/** |
520 |
> |
* callable(null Runnable) throws NPE |
521 |
> |
*/ |
522 |
> |
public void testCallableNPE1() { |
523 |
|
try { |
524 |
< |
t.start(); |
525 |
< |
Thread.sleep(SHORT_DELAY_MS); |
526 |
< |
t.interrupt(); |
492 |
< |
t.join(); |
493 |
< |
} catch(InterruptedException e){ |
494 |
< |
unexpectedException(); |
495 |
< |
} |
496 |
< |
|
497 |
< |
joinPool(p); |
524 |
> |
Callable c = Executors.callable((Runnable) null); |
525 |
> |
shouldThrow(); |
526 |
> |
} catch (NullPointerException success) {} |
527 |
|
} |
528 |
|
|
529 |
|
/** |
530 |
< |
* invoke(Executor, Callable) will throw ExecutionException |
502 |
< |
* if callable throws exception |
530 |
> |
* callable(null, result) throws NPE |
531 |
|
*/ |
532 |
< |
public void testInvoke6() { |
505 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
506 |
< |
|
532 |
> |
public void testCallableNPE2() { |
533 |
|
try { |
534 |
< |
Callable c = new Callable() { |
509 |
< |
public Object call() { |
510 |
< |
int i = 5/0; |
511 |
< |
return Boolean.TRUE; |
512 |
< |
} |
513 |
< |
}; |
514 |
< |
|
515 |
< |
for(int i =0; i < 5; i++){ |
516 |
< |
Executors.invoke(p,c); |
517 |
< |
} |
518 |
< |
|
534 |
> |
Callable c = Executors.callable((Runnable) null, one); |
535 |
|
shouldThrow(); |
536 |
< |
} |
521 |
< |
catch(ExecutionException success){ |
522 |
< |
} catch(Exception e) { |
523 |
< |
unexpectedException(); |
524 |
< |
} |
525 |
< |
joinPool(p); |
536 |
> |
} catch (NullPointerException success) {} |
537 |
|
} |
538 |
|
|
528 |
– |
|
529 |
– |
|
539 |
|
/** |
540 |
< |
* timeouts from execute will time out if they compute too long. |
540 |
> |
* callable(null PrivilegedAction) throws NPE |
541 |
|
*/ |
542 |
< |
public void testTimedCallable() { |
534 |
< |
int N = 10000; |
535 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
536 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
542 |
> |
public void testCallableNPE3() { |
543 |
|
try { |
544 |
< |
long startTime = System.currentTimeMillis(); |
545 |
< |
|
546 |
< |
long i = 0; |
541 |
< |
while (tasks.size() < N) { |
542 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
543 |
< |
i += 10; |
544 |
< |
} |
545 |
< |
|
546 |
< |
int iters = 0; |
547 |
< |
BigInteger sum = BigInteger.ZERO; |
548 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
549 |
< |
try { |
550 |
< |
++iters; |
551 |
< |
sum = sum.add(it.next().call()); |
552 |
< |
} |
553 |
< |
catch (TimeoutException success) { |
554 |
< |
assertTrue(iters > 0); |
555 |
< |
return; |
556 |
< |
} |
557 |
< |
catch (Exception e) { |
558 |
< |
unexpectedException(); |
559 |
< |
} |
560 |
< |
} |
561 |
< |
// if by chance we didn't ever time out, total time must be small |
562 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
563 |
< |
assertTrue(elapsed < N); |
564 |
< |
} |
565 |
< |
finally { |
566 |
< |
joinPool(executor); |
567 |
< |
} |
544 |
> |
Callable c = Executors.callable((PrivilegedAction) null); |
545 |
> |
shouldThrow(); |
546 |
> |
} catch (NullPointerException success) {} |
547 |
|
} |
548 |
|
|
549 |
< |
|
549 |
> |
/** |
550 |
> |
* callable(null PrivilegedExceptionAction) throws NPE |
551 |
> |
*/ |
552 |
> |
public void testCallableNPE4() { |
553 |
> |
try { |
554 |
> |
Callable c = Executors.callable((PrivilegedExceptionAction) null); |
555 |
> |
shouldThrow(); |
556 |
> |
} catch (NullPointerException success) {} |
557 |
> |
} |
558 |
|
|
559 |
|
|
560 |
|
} |