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/* |
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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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* 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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|
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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.*; |
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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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static class TimedCallable<T> implements Callable<T> { |
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private final ExecutorService exec; |
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private final Callable<T> func; |
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private final long msecs; |
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|
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TimedCallable(ExecutorService exec, Callable<T> func, long msecs) { |
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this.exec = exec; |
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this.func = func; |
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this.msecs = msecs; |
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} |
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|
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public T call() throws Exception { |
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Future<T> ftask = exec.submit(func); |
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try { |
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return ftask.get(msecs, TimeUnit.MILLISECONDS); |
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} finally { |
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ftask.cancel(true); |
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} |
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} |
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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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joinPool(e); |
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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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joinPool(e); |
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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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joinPool(e); |
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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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joinPool(e); |
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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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} |
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> |
} catch (NullPointerException success) {} |
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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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< |
} catch (ClassCastException success) { |
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< |
} finally { |
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joinPool(e); |
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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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– |
|
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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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< |
joinPool(e); |
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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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< |
joinPool(e); |
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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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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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* An unconfigurable newFixedThreadPool can execute runnables |
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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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> |
public void testUnconfigurableExecutorService() { |
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> |
final ExecutorService e = Executors.unconfigurableExecutorService(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()); |
| 171 |
> |
} |
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|
} |
| 173 |
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|
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/** |
| 175 |
|
* unconfigurableExecutorService(null) throws NPE |
| 176 |
|
*/ |
| 177 |
< |
public void testunconfigurableExecutorServiceNPE() { |
| 177 |
> |
public void testUnconfigurableExecutorServiceNPE() { |
| 178 |
|
try { |
| 179 |
|
ExecutorService e = Executors.unconfigurableExecutorService(null); |
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< |
} |
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< |
catch (NullPointerException success) { |
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< |
} |
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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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|
* unconfigurableScheduledExecutorService(null) throws NPE |
| 186 |
|
*/ |
| 187 |
< |
public void testunconfigurableScheduledExecutorServiceNPE() { |
| 187 |
> |
public void testUnconfigurableScheduledExecutorServiceNPE() { |
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|
try { |
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|
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
| 190 |
< |
} |
| 191 |
< |
catch (NullPointerException success) { |
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< |
} |
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> |
shouldThrow(); |
| 191 |
> |
} catch (NullPointerException success) {} |
| 192 |
|
} |
| 193 |
|
|
| 227 |
– |
|
| 194 |
|
/** |
| 195 |
|
* a newSingleThreadScheduledExecutor successfully runs delayed task |
| 196 |
|
*/ |
| 197 |
< |
public void testNewSingleThreadScheduledExecutor() { |
| 198 |
< |
try { |
| 199 |
< |
TrackedCallable callable = new TrackedCallable(); |
| 200 |
< |
ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
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< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
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< |
assertFalse(callable.done); |
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< |
Thread.sleep(MEDIUM_DELAY_MS); |
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< |
assertTrue(callable.done); |
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< |
assertEquals(Boolean.TRUE, f.get()); |
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< |
joinPool(p1); |
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< |
} catch (RejectedExecutionException e){} |
| 208 |
< |
catch (Exception e){ |
| 209 |
< |
e.printStackTrace(); |
| 210 |
< |
unexpectedException(); |
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> |
public void testNewSingleThreadScheduledExecutor() throws Exception { |
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> |
final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
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> |
try (PoolCleaner cleaner = cleaner(p)) { |
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> |
final CountDownLatch proceed = new CountDownLatch(1); |
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> |
final Runnable task = new CheckedRunnable() { |
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> |
public void realRun() { |
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> |
await(proceed); |
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> |
}}; |
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> |
long startTime = System.nanoTime(); |
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> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
| 207 |
> |
timeoutMillis(), MILLISECONDS); |
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> |
assertFalse(f.isDone()); |
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> |
proceed.countDown(); |
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> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
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> |
assertSame(Boolean.TRUE, f.get()); |
| 212 |
> |
assertTrue(f.isDone()); |
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> |
assertFalse(f.isCancelled()); |
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> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 215 |
|
} |
| 216 |
|
} |
| 217 |
|
|
| 218 |
|
/** |
| 219 |
|
* a newScheduledThreadPool successfully runs delayed task |
| 220 |
|
*/ |
| 221 |
< |
public void testnewScheduledThreadPool() { |
| 222 |
< |
try { |
| 223 |
< |
TrackedCallable callable = new TrackedCallable(); |
| 224 |
< |
ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
| 225 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
| 226 |
< |
assertFalse(callable.done); |
| 227 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
| 228 |
< |
assertTrue(callable.done); |
| 229 |
< |
assertEquals(Boolean.TRUE, f.get()); |
| 230 |
< |
joinPool(p1); |
| 231 |
< |
} catch (RejectedExecutionException e){} |
| 232 |
< |
catch (Exception e){ |
| 233 |
< |
e.printStackTrace(); |
| 234 |
< |
unexpectedException(); |
| 235 |
< |
} |
| 236 |
< |
} |
| 237 |
< |
|
| 238 |
< |
/** |
| 239 |
< |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
| 240 |
< |
*/ |
| 241 |
< |
public void testunconfigurableScheduledExecutorService() { |
| 242 |
< |
try { |
| 243 |
< |
TrackedCallable callable = new TrackedCallable(); |
| 244 |
< |
ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
| 245 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
| 246 |
< |
assertFalse(callable.done); |
| 247 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
| 248 |
< |
assertTrue(callable.done); |
| 249 |
< |
assertEquals(Boolean.TRUE, f.get()); |
| 250 |
< |
joinPool(p1); |
| 251 |
< |
} catch (RejectedExecutionException e){} |
| 252 |
< |
catch (Exception e){ |
| 253 |
< |
e.printStackTrace(); |
| 254 |
< |
unexpectedException(); |
| 255 |
< |
} |
| 256 |
< |
} |
| 257 |
< |
|
| 258 |
< |
/** |
| 259 |
< |
* timeouts from execute will time out if they compute too long. |
| 260 |
< |
*/ |
| 261 |
< |
public void testTimedCallable() { |
| 262 |
< |
int N = 10000; |
| 263 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
| 264 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
| 265 |
< |
try { |
| 266 |
< |
long startTime = System.currentTimeMillis(); |
| 267 |
< |
|
| 268 |
< |
long i = 0; |
| 269 |
< |
while (tasks.size() < N) { |
| 270 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
| 271 |
< |
i += 10; |
| 272 |
< |
} |
| 273 |
< |
|
| 274 |
< |
int iters = 0; |
| 275 |
< |
BigInteger sum = BigInteger.ZERO; |
| 276 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
| 277 |
< |
try { |
| 278 |
< |
++iters; |
| 279 |
< |
sum = sum.add(it.next().call()); |
| 280 |
< |
} |
| 281 |
< |
catch (TimeoutException success) { |
| 282 |
< |
assertTrue(iters > 0); |
| 283 |
< |
return; |
| 284 |
< |
} |
| 285 |
< |
catch (Exception e) { |
| 286 |
< |
unexpectedException(); |
| 287 |
< |
} |
| 288 |
< |
} |
| 289 |
< |
// if by chance we didn't ever time out, total time must be small |
| 290 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
| 291 |
< |
assertTrue(elapsed < N); |
| 292 |
< |
} |
| 293 |
< |
finally { |
| 221 |
> |
public void testNewScheduledThreadPool() throws Exception { |
| 222 |
> |
final ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
| 223 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
| 224 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
| 225 |
> |
final Runnable task = new CheckedRunnable() { |
| 226 |
> |
public void realRun() { |
| 227 |
> |
await(proceed); |
| 228 |
> |
}}; |
| 229 |
> |
long startTime = System.nanoTime(); |
| 230 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
| 231 |
> |
timeoutMillis(), MILLISECONDS); |
| 232 |
> |
assertFalse(f.isDone()); |
| 233 |
> |
proceed.countDown(); |
| 234 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
| 235 |
> |
assertSame(Boolean.TRUE, f.get()); |
| 236 |
> |
assertTrue(f.isDone()); |
| 237 |
> |
assertFalse(f.isCancelled()); |
| 238 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 239 |
> |
} |
| 240 |
> |
} |
| 241 |
> |
|
| 242 |
> |
/** |
| 243 |
> |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
| 244 |
> |
*/ |
| 245 |
> |
public void testUnconfigurableScheduledExecutorService() throws Exception { |
| 246 |
> |
final ScheduledExecutorService p = |
| 247 |
> |
Executors.unconfigurableScheduledExecutorService |
| 248 |
> |
(Executors.newScheduledThreadPool(2)); |
| 249 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
| 250 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
| 251 |
> |
final Runnable task = new CheckedRunnable() { |
| 252 |
> |
public void realRun() { |
| 253 |
> |
await(proceed); |
| 254 |
> |
}}; |
| 255 |
> |
long startTime = System.nanoTime(); |
| 256 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
| 257 |
> |
timeoutMillis(), MILLISECONDS); |
| 258 |
> |
assertFalse(f.isDone()); |
| 259 |
> |
proceed.countDown(); |
| 260 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
| 261 |
> |
assertSame(Boolean.TRUE, f.get()); |
| 262 |
> |
assertTrue(f.isDone()); |
| 263 |
> |
assertFalse(f.isCancelled()); |
| 264 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
| 265 |
> |
} |
| 266 |
> |
} |
| 267 |
> |
|
| 268 |
> |
/** |
| 269 |
> |
* Future.get on submitted tasks will time out if they compute too long. |
| 270 |
> |
*/ |
| 271 |
> |
public void testTimedCallable() throws Exception { |
| 272 |
> |
final ExecutorService[] executors = { |
| 273 |
> |
Executors.newSingleThreadExecutor(), |
| 274 |
> |
Executors.newCachedThreadPool(), |
| 275 |
> |
Executors.newFixedThreadPool(2), |
| 276 |
> |
Executors.newScheduledThreadPool(2), |
| 277 |
> |
}; |
| 278 |
> |
|
| 279 |
> |
final Runnable sleeper = new CheckedInterruptedRunnable() { |
| 280 |
> |
public void realRun() throws InterruptedException { |
| 281 |
> |
delay(LONG_DELAY_MS); |
| 282 |
> |
}}; |
| 283 |
> |
|
| 284 |
> |
List<Thread> threads = new ArrayList<Thread>(); |
| 285 |
> |
for (final ExecutorService executor : executors) { |
| 286 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
| 287 |
> |
public void realRun() { |
| 288 |
> |
Future future = executor.submit(sleeper); |
| 289 |
> |
assertFutureTimesOut(future); |
| 290 |
> |
}})); |
| 291 |
> |
} |
| 292 |
> |
for (Thread thread : threads) |
| 293 |
> |
awaitTermination(thread); |
| 294 |
> |
for (ExecutorService executor : executors) |
| 295 |
|
joinPool(executor); |
| 325 |
– |
} |
| 296 |
|
} |
| 297 |
|
|
| 328 |
– |
|
| 298 |
|
/** |
| 299 |
|
* ThreadPoolExecutor using defaultThreadFactory has |
| 300 |
|
* specified group, priority, daemon status, and name |
| 301 |
|
*/ |
| 302 |
< |
public void testDefaultThreadFactory() { |
| 302 |
> |
public void testDefaultThreadFactory() throws Exception { |
| 303 |
|
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
| 304 |
< |
Runnable r = new Runnable() { |
| 305 |
< |
public void run() { |
| 306 |
< |
try { |
| 307 |
< |
Thread current = Thread.currentThread(); |
| 308 |
< |
threadAssertTrue(!current.isDaemon()); |
| 309 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
| 310 |
< |
ThreadGroup g = current.getThreadGroup(); |
| 311 |
< |
SecurityManager s = System.getSecurityManager(); |
| 312 |
< |
if (s != null) |
| 313 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
| 314 |
< |
else |
| 315 |
< |
threadAssertTrue(g == egroup); |
| 316 |
< |
String name = current.getName(); |
| 317 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
| 318 |
< |
} catch (SecurityException ok) { |
| 319 |
< |
// Also pass if not allowed to change setting |
| 320 |
< |
} |
| 304 |
> |
final CountDownLatch done = new CountDownLatch(1); |
| 305 |
> |
Runnable r = new CheckedRunnable() { |
| 306 |
> |
public void realRun() { |
| 307 |
> |
try { |
| 308 |
> |
Thread current = Thread.currentThread(); |
| 309 |
> |
assertTrue(!current.isDaemon()); |
| 310 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
| 311 |
> |
ThreadGroup g = current.getThreadGroup(); |
| 312 |
> |
SecurityManager s = System.getSecurityManager(); |
| 313 |
> |
if (s != null) |
| 314 |
> |
assertTrue(g == s.getThreadGroup()); |
| 315 |
> |
else |
| 316 |
> |
assertTrue(g == egroup); |
| 317 |
> |
String name = current.getName(); |
| 318 |
> |
assertTrue(name.endsWith("thread-1")); |
| 319 |
> |
} catch (SecurityException ok) { |
| 320 |
> |
// Also pass if not allowed to change setting |
| 321 |
|
} |
| 322 |
< |
}; |
| 322 |
> |
done.countDown(); |
| 323 |
> |
}}; |
| 324 |
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
| 325 |
< |
|
| 326 |
< |
e.execute(r); |
| 327 |
< |
try { |
| 358 |
< |
e.shutdown(); |
| 359 |
< |
} catch (SecurityException ok) { |
| 360 |
< |
} |
| 361 |
< |
|
| 362 |
< |
try { |
| 363 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 364 |
< |
} catch (Exception eX) { |
| 365 |
< |
unexpectedException(); |
| 366 |
< |
} finally { |
| 367 |
< |
joinPool(e); |
| 325 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
| 326 |
> |
e.execute(r); |
| 327 |
> |
await(done); |
| 328 |
|
} |
| 329 |
|
} |
| 330 |
|
|
| 333 |
|
* specified group, priority, daemon status, name, |
| 334 |
|
* access control context and context class loader |
| 335 |
|
*/ |
| 336 |
< |
public void testPrivilegedThreadFactory() { |
| 337 |
< |
Policy savedPolicy = null; |
| 338 |
< |
try { |
| 339 |
< |
savedPolicy = Policy.getPolicy(); |
| 340 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
| 341 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
| 342 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
| 343 |
< |
Policy.setPolicy(policy); |
| 344 |
< |
} catch (AccessControlException ok) { |
| 345 |
< |
return; |
| 346 |
< |
} |
| 347 |
< |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
| 348 |
< |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
| 349 |
< |
final AccessControlContext thisacc = AccessController.getContext(); |
| 350 |
< |
Runnable r = new Runnable() { |
| 351 |
< |
public void run() { |
| 352 |
< |
try { |
| 353 |
< |
Thread current = Thread.currentThread(); |
| 354 |
< |
threadAssertTrue(!current.isDaemon()); |
| 355 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
| 356 |
< |
ThreadGroup g = current.getThreadGroup(); |
| 357 |
< |
SecurityManager s = System.getSecurityManager(); |
| 358 |
< |
if (s != null) |
| 359 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
| 360 |
< |
else |
| 361 |
< |
threadAssertTrue(g == egroup); |
| 362 |
< |
String name = current.getName(); |
| 363 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
| 404 |
< |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
| 405 |
< |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
| 406 |
< |
} catch (SecurityException ok) { |
| 407 |
< |
// Also pass if not allowed to change settings |
| 408 |
< |
} |
| 336 |
> |
public void testPrivilegedThreadFactory() throws Exception { |
| 337 |
> |
final CountDownLatch done = new CountDownLatch(1); |
| 338 |
> |
Runnable r = new CheckedRunnable() { |
| 339 |
> |
public void realRun() throws Exception { |
| 340 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
| 341 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
| 342 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
| 343 |
> |
Runnable r = new CheckedRunnable() { |
| 344 |
> |
public void realRun() { |
| 345 |
> |
Thread current = Thread.currentThread(); |
| 346 |
> |
assertTrue(!current.isDaemon()); |
| 347 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
| 348 |
> |
ThreadGroup g = current.getThreadGroup(); |
| 349 |
> |
SecurityManager s = System.getSecurityManager(); |
| 350 |
> |
if (s != null) |
| 351 |
> |
assertTrue(g == s.getThreadGroup()); |
| 352 |
> |
else |
| 353 |
> |
assertTrue(g == egroup); |
| 354 |
> |
String name = current.getName(); |
| 355 |
> |
assertTrue(name.endsWith("thread-1")); |
| 356 |
> |
assertSame(thisccl, current.getContextClassLoader()); |
| 357 |
> |
assertEquals(thisacc, AccessController.getContext()); |
| 358 |
> |
done.countDown(); |
| 359 |
> |
}}; |
| 360 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
| 361 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
| 362 |
> |
e.execute(r); |
| 363 |
> |
await(done); |
| 364 |
|
} |
| 365 |
< |
}; |
| 411 |
< |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
| 365 |
> |
}}; |
| 366 |
|
|
| 367 |
< |
Policy.setPolicy(savedPolicy); |
| 368 |
< |
e.execute(r); |
| 369 |
< |
try { |
| 370 |
< |
e.shutdown(); |
| 371 |
< |
} catch (SecurityException ok) { |
| 418 |
< |
} |
| 419 |
< |
try { |
| 420 |
< |
Thread.sleep(SHORT_DELAY_MS); |
| 421 |
< |
} catch (Exception ex) { |
| 422 |
< |
unexpectedException(); |
| 423 |
< |
} finally { |
| 424 |
< |
joinPool(e); |
| 425 |
< |
} |
| 367 |
> |
runWithPermissions(r, |
| 368 |
> |
new RuntimePermission("getClassLoader"), |
| 369 |
> |
new RuntimePermission("setContextClassLoader"), |
| 370 |
> |
new RuntimePermission("modifyThread")); |
| 371 |
> |
} |
| 372 |
|
|
| 373 |
+ |
boolean haveCCLPermissions() { |
| 374 |
+ |
SecurityManager sm = System.getSecurityManager(); |
| 375 |
+ |
if (sm != null) { |
| 376 |
+ |
try { |
| 377 |
+ |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
| 378 |
+ |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
| 379 |
+ |
} catch (AccessControlException e) { |
| 380 |
+ |
return false; |
| 381 |
+ |
} |
| 382 |
+ |
} |
| 383 |
+ |
return true; |
| 384 |
|
} |
| 385 |
|
|
| 386 |
|
void checkCCL() { |
| 398 |
|
} |
| 399 |
|
} |
| 400 |
|
|
| 444 |
– |
|
| 401 |
|
/** |
| 402 |
|
* Without class loader permissions, creating |
| 403 |
|
* privilegedCallableUsingCurrentClassLoader throws ACE |
| 404 |
|
*/ |
| 405 |
|
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
| 406 |
< |
Policy savedPolicy = null; |
| 407 |
< |
try { |
| 408 |
< |
savedPolicy = Policy.getPolicy(); |
| 409 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
| 410 |
< |
Policy.setPolicy(policy); |
| 411 |
< |
} catch (AccessControlException ok) { |
| 412 |
< |
return; |
| 413 |
< |
} |
| 414 |
< |
|
| 459 |
< |
// Check if program still has too many permissions to run test |
| 460 |
< |
try { |
| 461 |
< |
checkCCL(); |
| 462 |
< |
// too many privileges to test; so return |
| 463 |
< |
Policy.setPolicy(savedPolicy); |
| 464 |
< |
return; |
| 465 |
< |
} catch (AccessControlException ok) { |
| 466 |
< |
} |
| 406 |
> |
Runnable r = new CheckedRunnable() { |
| 407 |
> |
public void realRun() throws Exception { |
| 408 |
> |
if (System.getSecurityManager() == null) |
| 409 |
> |
return; |
| 410 |
> |
try { |
| 411 |
> |
Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
| 412 |
> |
shouldThrow(); |
| 413 |
> |
} catch (AccessControlException success) {} |
| 414 |
> |
}}; |
| 415 |
|
|
| 416 |
< |
try { |
| 469 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
| 470 |
< |
shouldThrow(); |
| 471 |
< |
} catch (AccessControlException success) { |
| 472 |
< |
} catch (Exception ex) { |
| 473 |
< |
unexpectedException(); |
| 474 |
< |
} |
| 475 |
< |
finally { |
| 476 |
< |
Policy.setPolicy(savedPolicy); |
| 477 |
< |
} |
| 416 |
> |
runWithoutPermissions(r); |
| 417 |
|
} |
| 418 |
|
|
| 419 |
|
/** |
| 420 |
|
* With class loader permissions, calling |
| 421 |
|
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
| 422 |
|
*/ |
| 423 |
< |
public void testprivilegedCallableUsingCCLWithPrivs() { |
| 424 |
< |
Policy savedPolicy = null; |
| 425 |
< |
try { |
| 426 |
< |
savedPolicy = Policy.getPolicy(); |
| 427 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
| 428 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
| 429 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
| 430 |
< |
Policy.setPolicy(policy); |
| 431 |
< |
} catch (AccessControlException ok) { |
| 432 |
< |
return; |
| 433 |
< |
} |
| 495 |
< |
|
| 496 |
< |
try { |
| 497 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
| 498 |
< |
task.call(); |
| 499 |
< |
} catch (Exception ex) { |
| 500 |
< |
unexpectedException(); |
| 501 |
< |
} |
| 502 |
< |
finally { |
| 503 |
< |
Policy.setPolicy(savedPolicy); |
| 504 |
< |
} |
| 423 |
> |
public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception { |
| 424 |
> |
Runnable r = new CheckedRunnable() { |
| 425 |
> |
public void realRun() throws Exception { |
| 426 |
> |
Executors.privilegedCallableUsingCurrentClassLoader |
| 427 |
> |
(new NoOpCallable()) |
| 428 |
> |
.call(); |
| 429 |
> |
}}; |
| 430 |
> |
|
| 431 |
> |
runWithPermissions(r, |
| 432 |
> |
new RuntimePermission("getClassLoader"), |
| 433 |
> |
new RuntimePermission("setContextClassLoader")); |
| 434 |
|
} |
| 435 |
|
|
| 436 |
|
/** |
| 437 |
|
* Without permissions, calling privilegedCallable throws ACE |
| 438 |
|
*/ |
| 439 |
< |
public void testprivilegedCallableWithNoPrivs() { |
| 440 |
< |
Callable task; |
| 441 |
< |
Policy savedPolicy = null; |
| 442 |
< |
AdjustablePolicy policy = null; |
| 443 |
< |
AccessControlContext noprivAcc = null; |
| 444 |
< |
try { |
| 445 |
< |
savedPolicy = Policy.getPolicy(); |
| 446 |
< |
policy = new AdjustablePolicy(); |
| 447 |
< |
Policy.setPolicy(policy); |
| 448 |
< |
noprivAcc = AccessController.getContext(); |
| 449 |
< |
task = Executors.privilegedCallable(new CheckCCL()); |
| 450 |
< |
Policy.setPolicy(savedPolicy); |
| 451 |
< |
} catch (AccessControlException ok) { |
| 452 |
< |
return; // program has too few permissions to set up test |
| 453 |
< |
} |
| 454 |
< |
|
| 455 |
< |
// Make sure that program doesn't have too many permissions |
| 456 |
< |
try { |
| 457 |
< |
AccessController.doPrivileged(new PrivilegedAction() { |
| 458 |
< |
public Object run() { |
| 459 |
< |
checkCCL(); |
| 460 |
< |
return null; |
| 461 |
< |
}}, noprivAcc); |
| 462 |
< |
// too many permssions; skip test |
| 463 |
< |
return; |
| 464 |
< |
} catch (AccessControlException ok) { |
| 465 |
< |
} |
| 466 |
< |
|
| 467 |
< |
try { |
| 468 |
< |
task.call(); |
| 469 |
< |
shouldThrow(); |
| 470 |
< |
} catch (AccessControlException success) { |
| 471 |
< |
} catch (Exception ex) { |
| 472 |
< |
unexpectedException(); |
| 473 |
< |
} |
| 439 |
> |
public void testPrivilegedCallableWithNoPrivs() throws Exception { |
| 440 |
> |
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
| 441 |
> |
Executors.privilegedCallable(new CheckCCL()); |
| 442 |
> |
|
| 443 |
> |
Runnable r = new CheckedRunnable() { |
| 444 |
> |
public void realRun() throws Exception { |
| 445 |
> |
if (System.getSecurityManager() == null) |
| 446 |
> |
return; |
| 447 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
| 448 |
> |
try { |
| 449 |
> |
task.call(); |
| 450 |
> |
shouldThrow(); |
| 451 |
> |
} catch (AccessControlException success) {} |
| 452 |
> |
}}; |
| 453 |
> |
|
| 454 |
> |
runWithoutPermissions(r); |
| 455 |
> |
|
| 456 |
> |
// It seems rather difficult to test that the |
| 457 |
> |
// AccessControlContext of the privilegedCallable is used |
| 458 |
> |
// instead of its caller. Below is a failed attempt to do |
| 459 |
> |
// that, which does not work because the AccessController |
| 460 |
> |
// cannot capture the internal state of the current Policy. |
| 461 |
> |
// It would be much more work to differentiate based on, |
| 462 |
> |
// e.g. CodeSource. |
| 463 |
> |
|
| 464 |
> |
// final AccessControlContext[] noprivAcc = new AccessControlContext[1]; |
| 465 |
> |
// final Callable[] task = new Callable[1]; |
| 466 |
> |
|
| 467 |
> |
// runWithPermissions |
| 468 |
> |
// (new CheckedRunnable() { |
| 469 |
> |
// public void realRun() { |
| 470 |
> |
// if (System.getSecurityManager() == null) |
| 471 |
> |
// return; |
| 472 |
> |
// noprivAcc[0] = AccessController.getContext(); |
| 473 |
> |
// task[0] = Executors.privilegedCallable(new CheckCCL()); |
| 474 |
> |
// try { |
| 475 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
| 476 |
> |
// public Void run() { |
| 477 |
> |
// checkCCL(); |
| 478 |
> |
// return null; |
| 479 |
> |
// }}, noprivAcc[0]); |
| 480 |
> |
// shouldThrow(); |
| 481 |
> |
// } catch (AccessControlException success) {} |
| 482 |
> |
// }}); |
| 483 |
> |
|
| 484 |
> |
// runWithPermissions |
| 485 |
> |
// (new CheckedRunnable() { |
| 486 |
> |
// public void realRun() throws Exception { |
| 487 |
> |
// if (System.getSecurityManager() == null) |
| 488 |
> |
// return; |
| 489 |
> |
// // Verify that we have an underprivileged ACC |
| 490 |
> |
// try { |
| 491 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
| 492 |
> |
// public Void run() { |
| 493 |
> |
// checkCCL(); |
| 494 |
> |
// return null; |
| 495 |
> |
// }}, noprivAcc[0]); |
| 496 |
> |
// shouldThrow(); |
| 497 |
> |
// } catch (AccessControlException success) {} |
| 498 |
> |
|
| 499 |
> |
// try { |
| 500 |
> |
// task[0].call(); |
| 501 |
> |
// shouldThrow(); |
| 502 |
> |
// } catch (AccessControlException success) {} |
| 503 |
> |
// }}, |
| 504 |
> |
// new RuntimePermission("getClassLoader"), |
| 505 |
> |
// new RuntimePermission("setContextClassLoader")); |
| 506 |
|
} |
| 507 |
|
|
| 508 |
|
/** |
| 509 |
|
* With permissions, calling privilegedCallable succeeds |
| 510 |
|
*/ |
| 511 |
< |
public void testprivilegedCallableWithPrivs() { |
| 512 |
< |
Policy savedPolicy = null; |
| 513 |
< |
try { |
| 514 |
< |
savedPolicy = Policy.getPolicy(); |
| 515 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
| 516 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
| 517 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
| 518 |
< |
Policy.setPolicy(policy); |
| 519 |
< |
} catch (AccessControlException ok) { |
| 559 |
< |
return; |
| 560 |
< |
} |
| 561 |
< |
|
| 562 |
< |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
| 563 |
< |
try { |
| 564 |
< |
task.call(); |
| 565 |
< |
} catch (Exception ex) { |
| 566 |
< |
unexpectedException(); |
| 567 |
< |
} finally { |
| 568 |
< |
Policy.setPolicy(savedPolicy); |
| 569 |
< |
} |
| 511 |
> |
public void testPrivilegedCallableWithPrivs() throws Exception { |
| 512 |
> |
Runnable r = new CheckedRunnable() { |
| 513 |
> |
public void realRun() throws Exception { |
| 514 |
> |
Executors.privilegedCallable(new CheckCCL()).call(); |
| 515 |
> |
}}; |
| 516 |
> |
|
| 517 |
> |
runWithPermissions(r, |
| 518 |
> |
new RuntimePermission("getClassLoader"), |
| 519 |
> |
new RuntimePermission("setContextClassLoader")); |
| 520 |
|
} |
| 521 |
|
|
| 522 |
|
/** |
| 523 |
|
* callable(Runnable) returns null when called |
| 524 |
|
*/ |
| 525 |
< |
public void testCallable1() { |
| 526 |
< |
try { |
| 527 |
< |
Callable c = Executors.callable(new NoOpRunnable()); |
| 578 |
< |
assertNull(c.call()); |
| 579 |
< |
} catch (Exception ex) { |
| 580 |
< |
unexpectedException(); |
| 581 |
< |
} |
| 582 |
< |
|
| 525 |
> |
public void testCallable1() throws Exception { |
| 526 |
> |
Callable c = Executors.callable(new NoOpRunnable()); |
| 527 |
> |
assertNull(c.call()); |
| 528 |
|
} |
| 529 |
|
|
| 530 |
|
/** |
| 531 |
|
* callable(Runnable, result) returns result when called |
| 532 |
|
*/ |
| 533 |
< |
public void testCallable2() { |
| 534 |
< |
try { |
| 535 |
< |
Callable c = Executors.callable(new NoOpRunnable(), one); |
| 591 |
< |
assertEquals(one, c.call()); |
| 592 |
< |
} catch (Exception ex) { |
| 593 |
< |
unexpectedException(); |
| 594 |
< |
} |
| 533 |
> |
public void testCallable2() throws Exception { |
| 534 |
> |
Callable c = Executors.callable(new NoOpRunnable(), one); |
| 535 |
> |
assertSame(one, c.call()); |
| 536 |
|
} |
| 537 |
|
|
| 538 |
|
/** |
| 539 |
|
* callable(PrivilegedAction) returns its result when called |
| 540 |
|
*/ |
| 541 |
< |
public void testCallable3() { |
| 542 |
< |
try { |
| 543 |
< |
Callable c = Executors.callable(new PrivilegedAction() { |
| 544 |
< |
public Object run() { return one; }}); |
| 604 |
< |
assertEquals(one, c.call()); |
| 605 |
< |
} catch (Exception ex) { |
| 606 |
< |
unexpectedException(); |
| 607 |
< |
} |
| 541 |
> |
public void testCallable3() throws Exception { |
| 542 |
> |
Callable c = Executors.callable(new PrivilegedAction() { |
| 543 |
> |
public Object run() { return one; }}); |
| 544 |
> |
assertSame(one, c.call()); |
| 545 |
|
} |
| 546 |
|
|
| 547 |
|
/** |
| 548 |
|
* callable(PrivilegedExceptionAction) returns its result when called |
| 549 |
|
*/ |
| 550 |
< |
public void testCallable4() { |
| 551 |
< |
try { |
| 552 |
< |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
| 553 |
< |
public Object run() { return one; }}); |
| 617 |
< |
assertEquals(one, c.call()); |
| 618 |
< |
} catch (Exception ex) { |
| 619 |
< |
unexpectedException(); |
| 620 |
< |
} |
| 550 |
> |
public void testCallable4() throws Exception { |
| 551 |
> |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
| 552 |
> |
public Object run() { return one; }}); |
| 553 |
> |
assertSame(one, c.call()); |
| 554 |
|
} |
| 555 |
|
|
| 623 |
– |
|
| 556 |
|
/** |
| 557 |
|
* callable(null Runnable) throws NPE |
| 558 |
|
*/ |
| 559 |
|
public void testCallableNPE1() { |
| 560 |
|
try { |
| 561 |
< |
Runnable r = null; |
| 562 |
< |
Callable c = Executors.callable(r); |
| 563 |
< |
} catch (NullPointerException success) { |
| 632 |
< |
} |
| 561 |
> |
Callable c = Executors.callable((Runnable) null); |
| 562 |
> |
shouldThrow(); |
| 563 |
> |
} catch (NullPointerException success) {} |
| 564 |
|
} |
| 565 |
|
|
| 566 |
|
/** |
| 568 |
|
*/ |
| 569 |
|
public void testCallableNPE2() { |
| 570 |
|
try { |
| 571 |
< |
Runnable r = null; |
| 572 |
< |
Callable c = Executors.callable(r, one); |
| 573 |
< |
} catch (NullPointerException success) { |
| 643 |
< |
} |
| 571 |
> |
Callable c = Executors.callable((Runnable) null, one); |
| 572 |
> |
shouldThrow(); |
| 573 |
> |
} catch (NullPointerException success) {} |
| 574 |
|
} |
| 575 |
|
|
| 576 |
|
/** |
| 578 |
|
*/ |
| 579 |
|
public void testCallableNPE3() { |
| 580 |
|
try { |
| 581 |
< |
PrivilegedAction r = null; |
| 582 |
< |
Callable c = Executors.callable(r); |
| 583 |
< |
} catch (NullPointerException success) { |
| 654 |
< |
} |
| 581 |
> |
Callable c = Executors.callable((PrivilegedAction) null); |
| 582 |
> |
shouldThrow(); |
| 583 |
> |
} catch (NullPointerException success) {} |
| 584 |
|
} |
| 585 |
|
|
| 586 |
|
/** |
| 588 |
|
*/ |
| 589 |
|
public void testCallableNPE4() { |
| 590 |
|
try { |
| 591 |
< |
PrivilegedExceptionAction r = null; |
| 592 |
< |
Callable c = Executors.callable(r); |
| 593 |
< |
} catch (NullPointerException success) { |
| 665 |
< |
} |
| 591 |
> |
Callable c = Executors.callable((PrivilegedExceptionAction) null); |
| 592 |
> |
shouldThrow(); |
| 593 |
> |
} catch (NullPointerException success) {} |
| 594 |
|
} |
| 595 |
|
|
| 668 |
– |
|
| 596 |
|
} |
