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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/publicdomain/zero/1.0/ |
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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 static java.util.concurrent.TimeUnit.MILLISECONDS; |
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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 java.math.BigInteger; |
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import java.security.AccessControlContext; |
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import java.security.AccessControlException; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.security.PrivilegedExceptionAction; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.ScheduledExecutorService; |
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import java.util.concurrent.ThreadPoolExecutor; |
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|
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public class ExecutorsTest extends JSR166TestCase{ |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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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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main(suite(), args); |
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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 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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return new TestSuite(ExecutorsTest.class); |
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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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* 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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e.shutdown(); |
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final ExecutorService e = Executors.newCachedThreadPool(); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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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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} |
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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 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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final ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory()); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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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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} |
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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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|
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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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e.shutdown(); |
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final ExecutorService e = Executors.newSingleThreadExecutor(); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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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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} |
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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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e.shutdown(); |
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final ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory()); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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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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} |
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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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final ExecutorService e = Executors.newSingleThreadExecutor(); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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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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} |
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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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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()); |
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e.execute(new NoOpRunnable()); |
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e.shutdown(); |
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final ExecutorService e = Executors.newFixedThreadPool(2); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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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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} |
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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 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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final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
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try (PoolCleaner cleaner = cleaner(e)) { |
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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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} |
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} |
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|
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/** |
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* A new newFixedThreadPool with null ThreadFactory throws NPE |
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* A new newFixedThreadPool with null ThreadFactory throws |
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* NullPointerException |
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*/ |
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public void testNewFixedThreadPool3() { |
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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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* A new newFixedThreadPool with 0 threads throws IAE |
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* A new newFixedThreadPool with 0 threads throws IllegalArgumentException |
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*/ |
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public void testNewFixedThreadPool4() { |
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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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* execute of runnable runs it to completion |
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* An unconfigurable newFixedThreadPool can execute runnables |
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*/ |
166 |
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public void testExecuteRunnable() { |
167 |
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try { |
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Executor e = new DirectExecutor(); |
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TrackedShortRunnable task = new TrackedShortRunnable(); |
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assertFalse(task.done); |
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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.done); |
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assertSame(TEST_STRING, result); |
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} |
202 |
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catch (ExecutionException ex) { |
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unexpectedException(); |
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} |
205 |
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catch (InterruptedException ex) { |
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unexpectedException(); |
166 |
> |
public void testUnconfigurableExecutorService() { |
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> |
final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
168 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
169 |
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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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} |
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} |
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|
|
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/** |
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* invoke of a runnable runs it to completion |
176 |
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* unconfigurableExecutorService(null) throws NPE |
177 |
|
*/ |
178 |
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public void testInvokeRunnable() { |
178 |
> |
public void testUnconfigurableExecutorServiceNPE() { |
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|
try { |
180 |
< |
Executor e = new DirectExecutor(); |
181 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
182 |
< |
assertFalse(task.done); |
218 |
< |
Executors.invoke(e, task); |
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< |
assertTrue(task.done); |
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< |
} |
221 |
< |
catch (ExecutionException ex) { |
222 |
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unexpectedException(); |
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} |
224 |
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catch (InterruptedException ex) { |
225 |
< |
unexpectedException(); |
226 |
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} |
180 |
> |
ExecutorService e = Executors.unconfigurableExecutorService(null); |
181 |
> |
shouldThrow(); |
182 |
> |
} catch (NullPointerException success) {} |
183 |
|
} |
184 |
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|
185 |
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/** |
186 |
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* execute of a callable runs it to completion |
186 |
> |
* unconfigurableScheduledExecutorService(null) throws NPE |
187 |
|
*/ |
188 |
< |
public void testExecuteCallable() { |
188 |
> |
public void testUnconfigurableScheduledExecutorServiceNPE() { |
189 |
|
try { |
190 |
< |
Executor e = new DirectExecutor(); |
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< |
Future<String> future = Executors.execute(e, new StringTask()); |
192 |
< |
String result = future.get(); |
237 |
< |
assertSame(TEST_STRING, result); |
238 |
< |
} |
239 |
< |
catch (ExecutionException ex) { |
240 |
< |
unexpectedException(); |
241 |
< |
} |
242 |
< |
catch (InterruptedException ex) { |
243 |
< |
unexpectedException(); |
244 |
< |
} |
190 |
> |
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
191 |
> |
shouldThrow(); |
192 |
> |
} catch (NullPointerException success) {} |
193 |
|
} |
194 |
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|
195 |
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/** |
196 |
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* invoke of a collable runs it to completion |
196 |
> |
* a newSingleThreadScheduledExecutor successfully runs delayed task |
197 |
|
*/ |
198 |
< |
public void testInvokeCallable() { |
199 |
< |
try { |
200 |
< |
Executor e = new DirectExecutor(); |
201 |
< |
String result = Executors.invoke(e, new StringTask()); |
202 |
< |
|
203 |
< |
assertSame(TEST_STRING, result); |
204 |
< |
} |
205 |
< |
catch (ExecutionException ex) { |
206 |
< |
unexpectedException(); |
207 |
< |
} |
208 |
< |
catch (InterruptedException ex) { |
209 |
< |
unexpectedException(); |
198 |
> |
public void testNewSingleThreadScheduledExecutor() throws Exception { |
199 |
> |
final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
200 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
201 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
202 |
> |
final Runnable task = new CheckedRunnable() { |
203 |
> |
public void realRun() { |
204 |
> |
await(proceed); |
205 |
> |
}}; |
206 |
> |
long startTime = System.nanoTime(); |
207 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
208 |
> |
timeoutMillis(), MILLISECONDS); |
209 |
> |
assertFalse(f.isDone()); |
210 |
> |
proceed.countDown(); |
211 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
212 |
> |
assertSame(Boolean.TRUE, f.get()); |
213 |
> |
assertTrue(f.isDone()); |
214 |
> |
assertFalse(f.isCancelled()); |
215 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
216 |
|
} |
217 |
|
} |
218 |
|
|
219 |
|
/** |
220 |
< |
* execute with null executor throws NPE |
220 |
> |
* a newScheduledThreadPool successfully runs delayed task |
221 |
|
*/ |
222 |
< |
public void testNullExecuteRunnable() { |
223 |
< |
try { |
224 |
< |
TrackedShortRunnable task = new TrackedShortRunnable(); |
225 |
< |
assertFalse(task.done); |
226 |
< |
Future<String> future = Executors.execute(null, task, TEST_STRING); |
227 |
< |
shouldThrow(); |
228 |
< |
} |
229 |
< |
catch (NullPointerException success) { |
230 |
< |
} |
231 |
< |
catch (Exception ex) { |
232 |
< |
unexpectedException(); |
222 |
> |
public void testNewScheduledThreadPool() throws Exception { |
223 |
> |
final ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
224 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
225 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
226 |
> |
final Runnable task = new CheckedRunnable() { |
227 |
> |
public void realRun() { |
228 |
> |
await(proceed); |
229 |
> |
}}; |
230 |
> |
long startTime = System.nanoTime(); |
231 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
232 |
> |
timeoutMillis(), MILLISECONDS); |
233 |
> |
assertFalse(f.isDone()); |
234 |
> |
proceed.countDown(); |
235 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
236 |
> |
assertSame(Boolean.TRUE, f.get()); |
237 |
> |
assertTrue(f.isDone()); |
238 |
> |
assertFalse(f.isCancelled()); |
239 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
240 |
|
} |
241 |
|
} |
242 |
|
|
243 |
|
/** |
244 |
< |
* execute with a null runnable throws NPE |
244 |
> |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
245 |
|
*/ |
246 |
< |
public void testExecuteNullRunnable() { |
247 |
< |
try { |
248 |
< |
Executor e = new DirectExecutor(); |
249 |
< |
TrackedShortRunnable task = null; |
250 |
< |
Future<String> future = Executors.execute(e, task, TEST_STRING); |
251 |
< |
shouldThrow(); |
252 |
< |
} |
253 |
< |
catch (NullPointerException success) { |
254 |
< |
} |
255 |
< |
catch (Exception ex) { |
256 |
< |
unexpectedException(); |
246 |
> |
public void testUnconfigurableScheduledExecutorService() throws Exception { |
247 |
> |
final ScheduledExecutorService p = |
248 |
> |
Executors.unconfigurableScheduledExecutorService |
249 |
> |
(Executors.newScheduledThreadPool(2)); |
250 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
251 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
252 |
> |
final Runnable task = new CheckedRunnable() { |
253 |
> |
public void realRun() { |
254 |
> |
await(proceed); |
255 |
> |
}}; |
256 |
> |
long startTime = System.nanoTime(); |
257 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
258 |
> |
timeoutMillis(), MILLISECONDS); |
259 |
> |
assertFalse(f.isDone()); |
260 |
> |
proceed.countDown(); |
261 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
262 |
> |
assertSame(Boolean.TRUE, f.get()); |
263 |
> |
assertTrue(f.isDone()); |
264 |
> |
assertFalse(f.isCancelled()); |
265 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
266 |
|
} |
267 |
|
} |
268 |
|
|
269 |
|
/** |
270 |
< |
* invoke of a null runnable throws NPE |
270 |
> |
* Future.get on submitted tasks will time out if they compute too long. |
271 |
|
*/ |
272 |
< |
public void testInvokeNullRunnable() { |
273 |
< |
try { |
274 |
< |
Executor e = new DirectExecutor(); |
275 |
< |
TrackedShortRunnable task = null; |
276 |
< |
Executors.invoke(e, task); |
277 |
< |
shouldThrow(); |
278 |
< |
} |
279 |
< |
catch (NullPointerException success) { |
280 |
< |
} |
281 |
< |
catch (Exception ex) { |
282 |
< |
unexpectedException(); |
272 |
> |
public void testTimedCallable() throws Exception { |
273 |
> |
final ExecutorService[] executors = { |
274 |
> |
Executors.newSingleThreadExecutor(), |
275 |
> |
Executors.newCachedThreadPool(), |
276 |
> |
Executors.newFixedThreadPool(2), |
277 |
> |
Executors.newScheduledThreadPool(2), |
278 |
> |
}; |
279 |
> |
|
280 |
> |
final Runnable sleeper = new CheckedInterruptedRunnable() { |
281 |
> |
public void realRun() throws InterruptedException { |
282 |
> |
delay(LONG_DELAY_MS); |
283 |
> |
}}; |
284 |
> |
|
285 |
> |
List<Thread> threads = new ArrayList<>(); |
286 |
> |
for (final ExecutorService executor : executors) { |
287 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
288 |
> |
public void realRun() { |
289 |
> |
Future future = executor.submit(sleeper); |
290 |
> |
assertFutureTimesOut(future); |
291 |
> |
}})); |
292 |
|
} |
293 |
+ |
for (Thread thread : threads) |
294 |
+ |
awaitTermination(thread); |
295 |
+ |
for (ExecutorService executor : executors) |
296 |
+ |
joinPool(executor); |
297 |
|
} |
298 |
|
|
299 |
|
/** |
300 |
< |
* execute of a null callable throws NPE |
300 |
> |
* ThreadPoolExecutor using defaultThreadFactory has |
301 |
> |
* specified group, priority, daemon status, and name |
302 |
|
*/ |
303 |
< |
public void testExecuteNullCallable() { |
304 |
< |
try { |
305 |
< |
Executor e = new DirectExecutor(); |
306 |
< |
StringTask t = null; |
307 |
< |
Future<String> future = Executors.execute(e, t); |
308 |
< |
shouldThrow(); |
309 |
< |
} |
310 |
< |
catch (NullPointerException success) { |
311 |
< |
} |
312 |
< |
catch (Exception ex) { |
313 |
< |
unexpectedException(); |
303 |
> |
public void testDefaultThreadFactory() throws Exception { |
304 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
305 |
> |
final CountDownLatch done = new CountDownLatch(1); |
306 |
> |
Runnable r = new CheckedRunnable() { |
307 |
> |
public void realRun() { |
308 |
> |
try { |
309 |
> |
Thread current = Thread.currentThread(); |
310 |
> |
assertFalse(current.isDaemon()); |
311 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
312 |
> |
SecurityManager s = System.getSecurityManager(); |
313 |
> |
assertSame(current.getThreadGroup(), |
314 |
> |
(s == null) ? egroup : s.getThreadGroup()); |
315 |
> |
assertTrue(current.getName().endsWith("thread-1")); |
316 |
> |
} catch (SecurityException ok) { |
317 |
> |
// Also pass if not allowed to change setting |
318 |
> |
} |
319 |
> |
done.countDown(); |
320 |
> |
}}; |
321 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
322 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
323 |
> |
e.execute(r); |
324 |
> |
await(done); |
325 |
|
} |
326 |
|
} |
327 |
|
|
328 |
|
/** |
329 |
< |
* invoke of a null callable throws NPE |
330 |
< |
*/ |
331 |
< |
public void testInvokeNullCallable() { |
332 |
< |
try { |
333 |
< |
Executor e = new DirectExecutor(); |
334 |
< |
StringTask t = null; |
335 |
< |
String result = Executors.invoke(e, t); |
336 |
< |
shouldThrow(); |
329 |
> |
* ThreadPoolExecutor using privilegedThreadFactory has |
330 |
> |
* specified group, priority, daemon status, name, |
331 |
> |
* access control context and context class loader |
332 |
> |
*/ |
333 |
> |
public void testPrivilegedThreadFactory() throws Exception { |
334 |
> |
final CountDownLatch done = new CountDownLatch(1); |
335 |
> |
Runnable r = new CheckedRunnable() { |
336 |
> |
public void realRun() throws Exception { |
337 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
338 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
339 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
340 |
> |
Runnable r = new CheckedRunnable() { |
341 |
> |
public void realRun() { |
342 |
> |
Thread current = Thread.currentThread(); |
343 |
> |
assertFalse(current.isDaemon()); |
344 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
345 |
> |
SecurityManager s = System.getSecurityManager(); |
346 |
> |
assertSame(current.getThreadGroup(), |
347 |
> |
(s == null) ? egroup : s.getThreadGroup()); |
348 |
> |
assertTrue(current.getName().endsWith("thread-1")); |
349 |
> |
assertSame(thisccl, current.getContextClassLoader()); |
350 |
> |
assertEquals(thisacc, AccessController.getContext()); |
351 |
> |
done.countDown(); |
352 |
> |
}}; |
353 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
354 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
355 |
> |
e.execute(r); |
356 |
> |
await(done); |
357 |
> |
} |
358 |
> |
}}; |
359 |
> |
|
360 |
> |
runWithPermissions(r, |
361 |
> |
new RuntimePermission("getClassLoader"), |
362 |
> |
new RuntimePermission("setContextClassLoader"), |
363 |
> |
new RuntimePermission("modifyThread")); |
364 |
> |
} |
365 |
> |
|
366 |
> |
boolean haveCCLPermissions() { |
367 |
> |
SecurityManager sm = System.getSecurityManager(); |
368 |
> |
if (sm != null) { |
369 |
> |
try { |
370 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
371 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
372 |
> |
} catch (AccessControlException e) { |
373 |
> |
return false; |
374 |
> |
} |
375 |
|
} |
376 |
< |
catch (NullPointerException success) { |
376 |
> |
return true; |
377 |
> |
} |
378 |
> |
|
379 |
> |
void checkCCL() { |
380 |
> |
SecurityManager sm = System.getSecurityManager(); |
381 |
> |
if (sm != null) { |
382 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
383 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
384 |
|
} |
385 |
< |
catch (Exception ex) { |
386 |
< |
unexpectedException(); |
385 |
> |
} |
386 |
> |
|
387 |
> |
class CheckCCL implements Callable<Object> { |
388 |
> |
public Object call() { |
389 |
> |
checkCCL(); |
390 |
> |
return null; |
391 |
|
} |
392 |
|
} |
393 |
|
|
394 |
|
/** |
395 |
< |
* execute(Executor, Runnable) throws RejectedExecutionException |
396 |
< |
* if saturated. |
395 |
> |
* Without class loader permissions, creating |
396 |
> |
* privilegedCallableUsingCurrentClassLoader throws ACE |
397 |
|
*/ |
398 |
< |
public void testExecute1() { |
399 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
400 |
< |
try { |
401 |
< |
|
402 |
< |
for(int i = 0; i < 5; ++i){ |
403 |
< |
Executors.execute(p, new MediumRunnable(), Boolean.TRUE); |
404 |
< |
} |
405 |
< |
shouldThrow(); |
406 |
< |
} catch(RejectedExecutionException success){} |
407 |
< |
joinPool(p); |
398 |
> |
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
399 |
> |
Runnable r = new CheckedRunnable() { |
400 |
> |
public void realRun() throws Exception { |
401 |
> |
if (System.getSecurityManager() == null) |
402 |
> |
return; |
403 |
> |
try { |
404 |
> |
Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
405 |
> |
shouldThrow(); |
406 |
> |
} catch (AccessControlException success) {} |
407 |
> |
}}; |
408 |
> |
|
409 |
> |
runWithoutPermissions(r); |
410 |
|
} |
411 |
|
|
412 |
|
/** |
413 |
< |
* execute(Executor, Callable)throws RejectedExecutionException |
414 |
< |
* if saturated. |
413 |
> |
* With class loader permissions, calling |
414 |
> |
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
415 |
|
*/ |
416 |
< |
public void testExecute2() { |
417 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
418 |
< |
try { |
419 |
< |
for(int i = 0; i < 5; ++i) { |
420 |
< |
Executors.execute(p, new SmallCallable()); |
421 |
< |
} |
422 |
< |
shouldThrow(); |
377 |
< |
} catch(RejectedExecutionException e){} |
378 |
< |
joinPool(p); |
379 |
< |
} |
416 |
> |
public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception { |
417 |
> |
Runnable r = new CheckedRunnable() { |
418 |
> |
public void realRun() throws Exception { |
419 |
> |
Executors.privilegedCallableUsingCurrentClassLoader |
420 |
> |
(new NoOpCallable()) |
421 |
> |
.call(); |
422 |
> |
}}; |
423 |
|
|
424 |
+ |
runWithPermissions(r, |
425 |
+ |
new RuntimePermission("getClassLoader"), |
426 |
+ |
new RuntimePermission("setContextClassLoader")); |
427 |
+ |
} |
428 |
|
|
429 |
|
/** |
430 |
< |
* invoke(Executor, Runnable) throws InterruptedException if |
384 |
< |
* caller interrupted. |
430 |
> |
* Without permissions, calling privilegedCallable throws ACE |
431 |
|
*/ |
432 |
< |
public void testInterruptedInvoke() { |
433 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
434 |
< |
Thread t = new Thread(new Runnable() { |
435 |
< |
public void run() { |
436 |
< |
try { |
437 |
< |
Executors.invoke(p,new Runnable() { |
438 |
< |
public void run() { |
439 |
< |
try { |
440 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
441 |
< |
shouldThrow(); |
442 |
< |
} catch(InterruptedException e){ |
443 |
< |
} |
444 |
< |
} |
445 |
< |
}); |
446 |
< |
} catch(InterruptedException success){ |
447 |
< |
} catch(Exception e) { |
448 |
< |
unexpectedException(); |
449 |
< |
} |
450 |
< |
|
451 |
< |
} |
452 |
< |
}); |
453 |
< |
try { |
454 |
< |
t.start(); |
455 |
< |
Thread.sleep(SHORT_DELAY_MS); |
456 |
< |
t.interrupt(); |
457 |
< |
} catch(Exception e){ |
458 |
< |
unexpectedException(); |
459 |
< |
} |
460 |
< |
joinPool(p); |
432 |
> |
public void testPrivilegedCallableWithNoPrivs() throws Exception { |
433 |
> |
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
434 |
> |
Executors.privilegedCallable(new CheckCCL()); |
435 |
> |
|
436 |
> |
Runnable r = new CheckedRunnable() { |
437 |
> |
public void realRun() throws Exception { |
438 |
> |
if (System.getSecurityManager() == null) |
439 |
> |
return; |
440 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
441 |
> |
try { |
442 |
> |
task.call(); |
443 |
> |
shouldThrow(); |
444 |
> |
} catch (AccessControlException success) {} |
445 |
> |
}}; |
446 |
> |
|
447 |
> |
runWithoutPermissions(r); |
448 |
> |
|
449 |
> |
// It seems rather difficult to test that the |
450 |
> |
// AccessControlContext of the privilegedCallable is used |
451 |
> |
// instead of its caller. Below is a failed attempt to do |
452 |
> |
// that, which does not work because the AccessController |
453 |
> |
// cannot capture the internal state of the current Policy. |
454 |
> |
// It would be much more work to differentiate based on, |
455 |
> |
// e.g. CodeSource. |
456 |
> |
|
457 |
> |
// final AccessControlContext[] noprivAcc = new AccessControlContext[1]; |
458 |
> |
// final Callable[] task = new Callable[1]; |
459 |
> |
|
460 |
> |
// runWithPermissions |
461 |
> |
// (new CheckedRunnable() { |
462 |
> |
// public void realRun() { |
463 |
> |
// if (System.getSecurityManager() == null) |
464 |
> |
// return; |
465 |
> |
// noprivAcc[0] = AccessController.getContext(); |
466 |
> |
// task[0] = Executors.privilegedCallable(new CheckCCL()); |
467 |
> |
// try { |
468 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
469 |
> |
// public Void run() { |
470 |
> |
// checkCCL(); |
471 |
> |
// return null; |
472 |
> |
// }}, noprivAcc[0]); |
473 |
> |
// shouldThrow(); |
474 |
> |
// } catch (AccessControlException success) {} |
475 |
> |
// }}); |
476 |
> |
|
477 |
> |
// runWithPermissions |
478 |
> |
// (new CheckedRunnable() { |
479 |
> |
// public void realRun() throws Exception { |
480 |
> |
// if (System.getSecurityManager() == null) |
481 |
> |
// return; |
482 |
> |
// // Verify that we have an underprivileged ACC |
483 |
> |
// try { |
484 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
485 |
> |
// public Void run() { |
486 |
> |
// checkCCL(); |
487 |
> |
// return null; |
488 |
> |
// }}, noprivAcc[0]); |
489 |
> |
// shouldThrow(); |
490 |
> |
// } catch (AccessControlException success) {} |
491 |
> |
|
492 |
> |
// try { |
493 |
> |
// task[0].call(); |
494 |
> |
// shouldThrow(); |
495 |
> |
// } catch (AccessControlException success) {} |
496 |
> |
// }}, |
497 |
> |
// new RuntimePermission("getClassLoader"), |
498 |
> |
// new RuntimePermission("setContextClassLoader")); |
499 |
|
} |
500 |
|
|
501 |
|
/** |
502 |
< |
* invoke(Executor, Runnable) throws ExecutionException if |
419 |
< |
* runnable throws exception. |
502 |
> |
* With permissions, calling privilegedCallable succeeds |
503 |
|
*/ |
504 |
< |
public void testInvoke3() { |
505 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
506 |
< |
try { |
507 |
< |
Runnable r = new Runnable() { |
508 |
< |
public void run() { |
509 |
< |
int i = 5/0; |
510 |
< |
} |
511 |
< |
}; |
512 |
< |
|
430 |
< |
for(int i =0; i < 5; i++){ |
431 |
< |
Executors.invoke(p,r); |
432 |
< |
} |
433 |
< |
|
434 |
< |
shouldThrow(); |
435 |
< |
} catch(ExecutionException success){ |
436 |
< |
} catch(Exception e){ |
437 |
< |
unexpectedException(); |
438 |
< |
} |
439 |
< |
joinPool(p); |
504 |
> |
public void testPrivilegedCallableWithPrivs() throws Exception { |
505 |
> |
Runnable r = new CheckedRunnable() { |
506 |
> |
public void realRun() throws Exception { |
507 |
> |
Executors.privilegedCallable(new CheckCCL()).call(); |
508 |
> |
}}; |
509 |
> |
|
510 |
> |
runWithPermissions(r, |
511 |
> |
new RuntimePermission("getClassLoader"), |
512 |
> |
new RuntimePermission("setContextClassLoader")); |
513 |
|
} |
514 |
|
|
515 |
+ |
/** |
516 |
+ |
* callable(Runnable) returns null when called |
517 |
+ |
*/ |
518 |
+ |
public void testCallable1() throws Exception { |
519 |
+ |
Callable c = Executors.callable(new NoOpRunnable()); |
520 |
+ |
assertNull(c.call()); |
521 |
+ |
} |
522 |
|
|
523 |
+ |
/** |
524 |
+ |
* callable(Runnable, result) returns result when called |
525 |
+ |
*/ |
526 |
+ |
public void testCallable2() throws Exception { |
527 |
+ |
Callable c = Executors.callable(new NoOpRunnable(), one); |
528 |
+ |
assertSame(one, c.call()); |
529 |
+ |
} |
530 |
|
|
531 |
|
/** |
532 |
< |
* invoke(Executor, Callable) throws InterruptedException if |
446 |
< |
* callable throws exception |
532 |
> |
* callable(PrivilegedAction) returns its result when called |
533 |
|
*/ |
534 |
< |
public void testInvoke5() { |
535 |
< |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
536 |
< |
|
537 |
< |
final Callable c = new Callable() { |
538 |
< |
public Object call() { |
453 |
< |
try { |
454 |
< |
Executors.invoke(p, new SmallCallable()); |
455 |
< |
shouldThrow(); |
456 |
< |
} catch(InterruptedException e){} |
457 |
< |
catch(RejectedExecutionException e2){} |
458 |
< |
catch(ExecutionException e3){} |
459 |
< |
return Boolean.TRUE; |
460 |
< |
} |
461 |
< |
}; |
534 |
> |
public void testCallable3() throws Exception { |
535 |
> |
Callable c = Executors.callable(new PrivilegedAction() { |
536 |
> |
public Object run() { return one; }}); |
537 |
> |
assertSame(one, c.call()); |
538 |
> |
} |
539 |
|
|
540 |
+ |
/** |
541 |
+ |
* callable(PrivilegedExceptionAction) returns its result when called |
542 |
+ |
*/ |
543 |
+ |
public void testCallable4() throws Exception { |
544 |
+ |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
545 |
+ |
public Object run() { return one; }}); |
546 |
+ |
assertSame(one, c.call()); |
547 |
+ |
} |
548 |
|
|
549 |
< |
|
550 |
< |
Thread t = new Thread(new Runnable() { |
551 |
< |
public void run() { |
552 |
< |
try { |
468 |
< |
c.call(); |
469 |
< |
} catch(Exception e){} |
470 |
< |
} |
471 |
< |
}); |
549 |
> |
/** |
550 |
> |
* callable(null Runnable) throws NPE |
551 |
> |
*/ |
552 |
> |
public void testCallableNPE1() { |
553 |
|
try { |
554 |
< |
t.start(); |
555 |
< |
Thread.sleep(SHORT_DELAY_MS); |
556 |
< |
t.interrupt(); |
476 |
< |
t.join(); |
477 |
< |
} catch(InterruptedException e){ |
478 |
< |
unexpectedException(); |
479 |
< |
} |
480 |
< |
|
481 |
< |
joinPool(p); |
554 |
> |
Callable c = Executors.callable((Runnable) null); |
555 |
> |
shouldThrow(); |
556 |
> |
} catch (NullPointerException success) {} |
557 |
|
} |
558 |
|
|
559 |
|
/** |
560 |
< |
* invoke(Executor, Callable) will throw ExecutionException |
486 |
< |
* if callable throws exception |
560 |
> |
* callable(null, result) throws NPE |
561 |
|
*/ |
562 |
< |
public void testInvoke6() { |
489 |
< |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
490 |
< |
|
562 |
> |
public void testCallableNPE2() { |
563 |
|
try { |
564 |
< |
Callable c = new Callable() { |
493 |
< |
public Object call() { |
494 |
< |
int i = 5/0; |
495 |
< |
return Boolean.TRUE; |
496 |
< |
} |
497 |
< |
}; |
498 |
< |
|
499 |
< |
for(int i =0; i < 5; i++){ |
500 |
< |
Executors.invoke(p,c); |
501 |
< |
} |
502 |
< |
|
564 |
> |
Callable c = Executors.callable((Runnable) null, one); |
565 |
|
shouldThrow(); |
566 |
< |
} |
505 |
< |
catch(ExecutionException success){ |
506 |
< |
} catch(Exception e) { |
507 |
< |
unexpectedException(); |
508 |
< |
} |
509 |
< |
joinPool(p); |
566 |
> |
} catch (NullPointerException success) {} |
567 |
|
} |
568 |
|
|
512 |
– |
|
513 |
– |
|
569 |
|
/** |
570 |
< |
* timeouts from execute will time out if they compute too long. |
570 |
> |
* callable(null PrivilegedAction) throws NPE |
571 |
|
*/ |
572 |
< |
public void testTimedCallable() { |
518 |
< |
int N = 10000; |
519 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
520 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
572 |
> |
public void testCallableNPE3() { |
573 |
|
try { |
574 |
< |
long startTime = System.currentTimeMillis(); |
575 |
< |
|
576 |
< |
long i = 0; |
525 |
< |
while (tasks.size() < N) { |
526 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
527 |
< |
i += 10; |
528 |
< |
} |
529 |
< |
|
530 |
< |
int iters = 0; |
531 |
< |
BigInteger sum = BigInteger.ZERO; |
532 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
533 |
< |
try { |
534 |
< |
++iters; |
535 |
< |
sum = sum.add(it.next().call()); |
536 |
< |
} |
537 |
< |
catch (TimeoutException success) { |
538 |
< |
assertTrue(iters > 0); |
539 |
< |
return; |
540 |
< |
} |
541 |
< |
catch (Exception e) { |
542 |
< |
unexpectedException(); |
543 |
< |
} |
544 |
< |
} |
545 |
< |
// if by chance we didn't ever time out, total time must be small |
546 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
547 |
< |
assertTrue(elapsed < N); |
548 |
< |
} |
549 |
< |
finally { |
550 |
< |
joinPool(executor); |
551 |
< |
} |
574 |
> |
Callable c = Executors.callable((PrivilegedAction) null); |
575 |
> |
shouldThrow(); |
576 |
> |
} catch (NullPointerException success) {} |
577 |
|
} |
578 |
|
|
579 |
< |
|
580 |
< |
|
579 |
> |
/** |
580 |
> |
* callable(null PrivilegedExceptionAction) throws NPE |
581 |
> |
*/ |
582 |
> |
public void testCallableNPE4() { |
583 |
> |
try { |
584 |
> |
Callable c = Executors.callable((PrivilegedExceptionAction) null); |
585 |
> |
shouldThrow(); |
586 |
> |
} catch (NullPointerException success) {} |
587 |
> |
} |
588 |
|
|
589 |
|
} |