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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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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; |
15 |
< |
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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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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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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*/ |
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public void testNewCachedThreadPool3() { |
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try { |
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ExecutorService e = Executors.newCachedThreadPool(null); |
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ExecutorService unused = Executors.newCachedThreadPool(null); |
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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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/** |
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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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*/ |
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public void testNewSingleThreadExecutor3() { |
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try { |
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ExecutorService e = Executors.newSingleThreadExecutor(null); |
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ExecutorService unused = Executors.newSingleThreadExecutor(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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* A new SingleThreadExecutor cannot be casted to concrete implementation |
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*/ |
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public void testCastNewSingleThreadExecutor() { |
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ExecutorService e = Executors.newSingleThreadExecutor(); |
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try { |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
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shouldThrow(); |
113 |
< |
} catch (ClassCastException success) { |
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< |
} finally { |
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< |
joinPool(e); |
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> |
final ExecutorService e = Executors.newSingleThreadExecutor(); |
110 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
111 |
> |
try { |
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e; |
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shouldThrow(); |
114 |
> |
} 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()); |
125 |
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e.execute(new NoOpRunnable()); |
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joinPool(e); |
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> |
final ExecutorService e = Executors.newFixedThreadPool(2); |
123 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
124 |
> |
e.execute(new NoOpRunnable()); |
125 |
> |
e.execute(new NoOpRunnable()); |
126 |
> |
e.execute(new NoOpRunnable()); |
127 |
> |
} |
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} |
129 |
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|
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/** |
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* A new newFixedThreadPool with given ThreadFactory can execute runnables |
132 |
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*/ |
133 |
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public void testNewFixedThreadPool2() { |
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< |
ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
135 |
< |
e.execute(new NoOpRunnable()); |
136 |
< |
e.execute(new NoOpRunnable()); |
137 |
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e.execute(new NoOpRunnable()); |
138 |
< |
joinPool(e); |
134 |
> |
final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory()); |
135 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
136 |
> |
e.execute(new NoOpRunnable()); |
137 |
> |
e.execute(new NoOpRunnable()); |
138 |
> |
e.execute(new NoOpRunnable()); |
139 |
> |
} |
140 |
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} |
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|
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/** |
143 |
< |
* A new newFixedThreadPool with null ThreadFactory throws NPE |
143 |
> |
* A new newFixedThreadPool with null ThreadFactory throws |
144 |
> |
* NullPointerException |
145 |
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*/ |
146 |
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public void testNewFixedThreadPool3() { |
147 |
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try { |
148 |
< |
ExecutorService e = Executors.newFixedThreadPool(2, null); |
148 |
> |
ExecutorService unused = Executors.newFixedThreadPool(2, null); |
149 |
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shouldThrow(); |
150 |
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} catch (NullPointerException success) {} |
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} |
152 |
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|
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/** |
154 |
< |
* A new newFixedThreadPool with 0 threads throws IAE |
154 |
> |
* A new newFixedThreadPool with 0 threads throws IllegalArgumentException |
155 |
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*/ |
156 |
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public void testNewFixedThreadPool4() { |
157 |
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try { |
158 |
< |
ExecutorService e = Executors.newFixedThreadPool(0); |
158 |
> |
ExecutorService unused = Executors.newFixedThreadPool(0); |
159 |
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shouldThrow(); |
160 |
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} catch (IllegalArgumentException success) {} |
161 |
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} |
162 |
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|
186 |
– |
|
163 |
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/** |
164 |
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* An unconfigurable newFixedThreadPool can execute runnables |
165 |
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*/ |
166 |
< |
public void testunconfigurableExecutorService() { |
167 |
< |
ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
168 |
< |
e.execute(new NoOpRunnable()); |
169 |
< |
e.execute(new NoOpRunnable()); |
170 |
< |
e.execute(new NoOpRunnable()); |
171 |
< |
joinPool(e); |
166 |
> |
public void testUnconfigurableExecutorService() { |
167 |
> |
final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); |
168 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
169 |
> |
e.execute(new NoOpRunnable()); |
170 |
> |
e.execute(new NoOpRunnable()); |
171 |
> |
e.execute(new NoOpRunnable()); |
172 |
> |
} |
173 |
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} |
174 |
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|
175 |
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/** |
176 |
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* unconfigurableExecutorService(null) throws NPE |
177 |
|
*/ |
178 |
< |
public void testunconfigurableExecutorServiceNPE() { |
178 |
> |
public void testUnconfigurableExecutorServiceNPE() { |
179 |
|
try { |
180 |
< |
ExecutorService e = Executors.unconfigurableExecutorService(null); |
180 |
> |
ExecutorService unused = |
181 |
> |
Executors.unconfigurableExecutorService(null); |
182 |
|
shouldThrow(); |
183 |
|
} catch (NullPointerException success) {} |
184 |
|
} |
186 |
|
/** |
187 |
|
* unconfigurableScheduledExecutorService(null) throws NPE |
188 |
|
*/ |
189 |
< |
public void testunconfigurableScheduledExecutorServiceNPE() { |
189 |
> |
public void testUnconfigurableScheduledExecutorServiceNPE() { |
190 |
|
try { |
191 |
< |
ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); |
191 |
> |
ExecutorService unused = |
192 |
> |
Executors.unconfigurableScheduledExecutorService(null); |
193 |
|
shouldThrow(); |
194 |
|
} catch (NullPointerException success) {} |
195 |
|
} |
196 |
|
|
218 |
– |
|
197 |
|
/** |
198 |
|
* a newSingleThreadScheduledExecutor successfully runs delayed task |
199 |
|
*/ |
200 |
|
public void testNewSingleThreadScheduledExecutor() throws Exception { |
201 |
< |
try { |
202 |
< |
TrackedCallable callable = new TrackedCallable(); |
203 |
< |
ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
204 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
205 |
< |
assertFalse(callable.done); |
206 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
207 |
< |
assertTrue(callable.done); |
208 |
< |
assertEquals(Boolean.TRUE, f.get()); |
209 |
< |
joinPool(p1); |
210 |
< |
} catch (RejectedExecutionException e) {} |
201 |
> |
final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
202 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
203 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
204 |
> |
final Runnable task = new CheckedRunnable() { |
205 |
> |
public void realRun() { |
206 |
> |
await(proceed); |
207 |
> |
}}; |
208 |
> |
long startTime = System.nanoTime(); |
209 |
> |
Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE), |
210 |
> |
timeoutMillis(), MILLISECONDS); |
211 |
> |
assertFalse(f.isDone()); |
212 |
> |
proceed.countDown(); |
213 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
214 |
> |
assertSame(Boolean.TRUE, f.get()); |
215 |
> |
assertTrue(f.isDone()); |
216 |
> |
assertFalse(f.isCancelled()); |
217 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
218 |
> |
} |
219 |
|
} |
220 |
|
|
221 |
|
/** |
222 |
|
* a newScheduledThreadPool successfully runs delayed task |
223 |
|
*/ |
224 |
< |
public void testnewScheduledThreadPool() throws Exception { |
225 |
< |
try { |
226 |
< |
TrackedCallable callable = new TrackedCallable(); |
227 |
< |
ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
228 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
229 |
< |
assertFalse(callable.done); |
230 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
231 |
< |
assertTrue(callable.done); |
232 |
< |
assertEquals(Boolean.TRUE, f.get()); |
233 |
< |
joinPool(p1); |
234 |
< |
} catch (RejectedExecutionException e) {} |
224 |
> |
public void testNewScheduledThreadPool() throws Exception { |
225 |
> |
final ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
226 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
227 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
228 |
> |
final Runnable task = new CheckedRunnable() { |
229 |
> |
public void realRun() { |
230 |
> |
await(proceed); |
231 |
> |
}}; |
232 |
> |
long startTime = System.nanoTime(); |
233 |
> |
Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE), |
234 |
> |
timeoutMillis(), MILLISECONDS); |
235 |
> |
assertFalse(f.isDone()); |
236 |
> |
proceed.countDown(); |
237 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
238 |
> |
assertSame(Boolean.TRUE, f.get()); |
239 |
> |
assertTrue(f.isDone()); |
240 |
> |
assertFalse(f.isCancelled()); |
241 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
242 |
> |
} |
243 |
|
} |
244 |
|
|
245 |
|
/** |
246 |
< |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
247 |
< |
*/ |
248 |
< |
public void testunconfigurableScheduledExecutorService() throws Exception { |
249 |
< |
try { |
250 |
< |
TrackedCallable callable = new TrackedCallable(); |
251 |
< |
ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
252 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
253 |
< |
assertFalse(callable.done); |
254 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
255 |
< |
assertTrue(callable.done); |
256 |
< |
assertEquals(Boolean.TRUE, f.get()); |
257 |
< |
joinPool(p1); |
258 |
< |
} catch (RejectedExecutionException e) {} |
246 |
> |
* an unconfigurable newScheduledThreadPool successfully runs delayed task |
247 |
> |
*/ |
248 |
> |
public void testUnconfigurableScheduledExecutorService() throws Exception { |
249 |
> |
final ScheduledExecutorService p = |
250 |
> |
Executors.unconfigurableScheduledExecutorService |
251 |
> |
(Executors.newScheduledThreadPool(2)); |
252 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
253 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
254 |
> |
final Runnable task = new CheckedRunnable() { |
255 |
> |
public void realRun() { |
256 |
> |
await(proceed); |
257 |
> |
}}; |
258 |
> |
long startTime = System.nanoTime(); |
259 |
> |
Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE), |
260 |
> |
timeoutMillis(), MILLISECONDS); |
261 |
> |
assertFalse(f.isDone()); |
262 |
> |
proceed.countDown(); |
263 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
264 |
> |
assertSame(Boolean.TRUE, f.get()); |
265 |
> |
assertTrue(f.isDone()); |
266 |
> |
assertFalse(f.isCancelled()); |
267 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
268 |
> |
} |
269 |
|
} |
270 |
|
|
271 |
|
/** |
272 |
< |
* timeouts from execute will time out if they compute too long. |
272 |
> |
* Future.get on submitted tasks will time out if they compute too long. |
273 |
|
*/ |
274 |
|
public void testTimedCallable() throws Exception { |
275 |
< |
int N = 10000; |
276 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
277 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
278 |
< |
try { |
279 |
< |
long startTime = System.currentTimeMillis(); |
280 |
< |
|
281 |
< |
long i = 0; |
282 |
< |
while (tasks.size() < N) { |
283 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
284 |
< |
i += 10; |
285 |
< |
} |
286 |
< |
|
287 |
< |
int iters = 0; |
288 |
< |
BigInteger sum = BigInteger.ZERO; |
289 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
290 |
< |
try { |
291 |
< |
++iters; |
292 |
< |
sum = sum.add(it.next().call()); |
293 |
< |
} |
294 |
< |
catch (TimeoutException success) { |
295 |
< |
assertTrue(iters > 0); |
296 |
< |
return; |
297 |
< |
} |
298 |
< |
} |
299 |
< |
// if by chance we didn't ever time out, total time must be small |
300 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
297 |
< |
assertTrue(elapsed < N); |
298 |
< |
} |
299 |
< |
finally { |
275 |
> |
final ExecutorService[] executors = { |
276 |
> |
Executors.newSingleThreadExecutor(), |
277 |
> |
Executors.newCachedThreadPool(), |
278 |
> |
Executors.newFixedThreadPool(2), |
279 |
> |
Executors.newScheduledThreadPool(2), |
280 |
> |
}; |
281 |
> |
|
282 |
> |
final CountDownLatch done = new CountDownLatch(1); |
283 |
> |
|
284 |
> |
final Runnable sleeper = new CheckedRunnable() { |
285 |
> |
public void realRun() throws InterruptedException { |
286 |
> |
done.await(LONG_DELAY_MS, MILLISECONDS); |
287 |
> |
}}; |
288 |
> |
|
289 |
> |
List<Thread> threads = new ArrayList<>(); |
290 |
> |
for (final ExecutorService executor : executors) { |
291 |
> |
threads.add(newStartedThread(new CheckedRunnable() { |
292 |
> |
public void realRun() { |
293 |
> |
Future<?> future = executor.submit(sleeper); |
294 |
> |
assertFutureTimesOut(future); |
295 |
> |
}})); |
296 |
> |
} |
297 |
> |
for (Thread thread : threads) |
298 |
> |
awaitTermination(thread); |
299 |
> |
done.countDown(); |
300 |
> |
for (ExecutorService executor : executors) |
301 |
|
joinPool(executor); |
301 |
– |
} |
302 |
|
} |
303 |
|
|
304 |
– |
|
304 |
|
/** |
305 |
|
* ThreadPoolExecutor using defaultThreadFactory has |
306 |
|
* specified group, priority, daemon status, and name |
307 |
|
*/ |
308 |
+ |
@SuppressWarnings("removal") |
309 |
|
public void testDefaultThreadFactory() throws Exception { |
310 |
|
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
311 |
< |
Runnable r = new Runnable() { |
312 |
< |
public void run() { |
313 |
< |
try { |
314 |
< |
Thread current = Thread.currentThread(); |
315 |
< |
threadAssertTrue(!current.isDaemon()); |
316 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
317 |
< |
ThreadGroup g = current.getThreadGroup(); |
318 |
< |
SecurityManager s = System.getSecurityManager(); |
319 |
< |
if (s != null) |
320 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
321 |
< |
else |
322 |
< |
threadAssertTrue(g == egroup); |
323 |
< |
String name = current.getName(); |
324 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
325 |
< |
} catch (SecurityException ok) { |
326 |
< |
// Also pass if not allowed to change setting |
327 |
< |
} |
311 |
> |
final CountDownLatch done = new CountDownLatch(1); |
312 |
> |
Runnable r = new CheckedRunnable() { |
313 |
> |
public void realRun() { |
314 |
> |
try { |
315 |
> |
Thread current = Thread.currentThread(); |
316 |
> |
assertFalse(current.isDaemon()); |
317 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
318 |
> |
SecurityManager s = System.getSecurityManager(); |
319 |
> |
assertSame(current.getThreadGroup(), |
320 |
> |
(s == null) ? egroup : s.getThreadGroup()); |
321 |
> |
assertTrue(current.getName().endsWith("thread-1")); |
322 |
> |
} catch (SecurityException ok) { |
323 |
> |
// Also pass if not allowed to change setting |
324 |
|
} |
325 |
< |
}; |
325 |
> |
done.countDown(); |
326 |
> |
}}; |
327 |
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
328 |
< |
|
329 |
< |
e.execute(r); |
330 |
< |
try { |
334 |
< |
e.shutdown(); |
335 |
< |
} catch (SecurityException ok) { |
336 |
< |
} |
337 |
< |
|
338 |
< |
try { |
339 |
< |
Thread.sleep(SHORT_DELAY_MS); |
340 |
< |
} finally { |
341 |
< |
joinPool(e); |
328 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
329 |
> |
e.execute(r); |
330 |
> |
await(done); |
331 |
|
} |
332 |
|
} |
333 |
|
|
336 |
|
* specified group, priority, daemon status, name, |
337 |
|
* access control context and context class loader |
338 |
|
*/ |
339 |
+ |
@SuppressWarnings("removal") |
340 |
|
public void testPrivilegedThreadFactory() throws Exception { |
341 |
< |
Policy savedPolicy = null; |
342 |
< |
try { |
343 |
< |
savedPolicy = Policy.getPolicy(); |
344 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
345 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
346 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
347 |
< |
Policy.setPolicy(policy); |
348 |
< |
} catch (AccessControlException ok) { |
349 |
< |
return; |
350 |
< |
} |
351 |
< |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
352 |
< |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
353 |
< |
final AccessControlContext thisacc = AccessController.getContext(); |
354 |
< |
Runnable r = new Runnable() { |
355 |
< |
public void run() { |
356 |
< |
try { |
357 |
< |
Thread current = Thread.currentThread(); |
358 |
< |
threadAssertTrue(!current.isDaemon()); |
359 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
360 |
< |
ThreadGroup g = current.getThreadGroup(); |
361 |
< |
SecurityManager s = System.getSecurityManager(); |
362 |
< |
if (s != null) |
363 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
374 |
< |
else |
375 |
< |
threadAssertTrue(g == egroup); |
376 |
< |
String name = current.getName(); |
377 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
378 |
< |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
379 |
< |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
380 |
< |
} catch (SecurityException ok) { |
381 |
< |
// Also pass if not allowed to change settings |
382 |
< |
} |
341 |
> |
final CountDownLatch done = new CountDownLatch(1); |
342 |
> |
Runnable r = new CheckedRunnable() { |
343 |
> |
public void realRun() throws Exception { |
344 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
345 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
346 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
347 |
> |
Runnable r = new CheckedRunnable() { |
348 |
> |
public void realRun() { |
349 |
> |
Thread current = Thread.currentThread(); |
350 |
> |
assertFalse(current.isDaemon()); |
351 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
352 |
> |
SecurityManager s = System.getSecurityManager(); |
353 |
> |
assertSame(current.getThreadGroup(), |
354 |
> |
(s == null) ? egroup : s.getThreadGroup()); |
355 |
> |
assertTrue(current.getName().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 |
< |
}; |
385 |
< |
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) { |
392 |
< |
} |
393 |
< |
try { |
394 |
< |
Thread.sleep(SHORT_DELAY_MS); |
395 |
< |
} finally { |
396 |
< |
joinPool(e); |
397 |
< |
} |
367 |
> |
runWithPermissions(r, |
368 |
> |
new RuntimePermission("getClassLoader"), |
369 |
> |
new RuntimePermission("setContextClassLoader"), |
370 |
> |
new RuntimePermission("modifyThread")); |
371 |
> |
} |
372 |
|
|
373 |
+ |
@SuppressWarnings("removal") |
374 |
+ |
boolean haveCCLPermissions() { |
375 |
+ |
SecurityManager sm = System.getSecurityManager(); |
376 |
+ |
if (sm != null) { |
377 |
+ |
try { |
378 |
+ |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
379 |
+ |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
380 |
+ |
} catch (AccessControlException e) { |
381 |
+ |
return false; |
382 |
+ |
} |
383 |
+ |
} |
384 |
+ |
return true; |
385 |
|
} |
386 |
|
|
387 |
+ |
@SuppressWarnings("removal") |
388 |
|
void checkCCL() { |
389 |
|
SecurityManager sm = System.getSecurityManager(); |
390 |
|
if (sm != null) { |
400 |
|
} |
401 |
|
} |
402 |
|
|
416 |
– |
|
403 |
|
/** |
404 |
|
* Without class loader permissions, creating |
405 |
|
* privilegedCallableUsingCurrentClassLoader throws ACE |
406 |
|
*/ |
407 |
+ |
@SuppressWarnings("removal") |
408 |
|
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
409 |
< |
Policy savedPolicy = null; |
410 |
< |
try { |
411 |
< |
savedPolicy = Policy.getPolicy(); |
412 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
413 |
< |
Policy.setPolicy(policy); |
414 |
< |
} catch (AccessControlException ok) { |
415 |
< |
return; |
416 |
< |
} |
417 |
< |
|
431 |
< |
// Check if program still has too many permissions to run test |
432 |
< |
try { |
433 |
< |
checkCCL(); |
434 |
< |
// too many privileges to test; so return |
435 |
< |
Policy.setPolicy(savedPolicy); |
436 |
< |
return; |
437 |
< |
} catch (AccessControlException ok) { |
438 |
< |
} |
409 |
> |
Runnable r = new CheckedRunnable() { |
410 |
> |
public void realRun() throws Exception { |
411 |
> |
if (System.getSecurityManager() == null) |
412 |
> |
return; |
413 |
> |
try { |
414 |
> |
Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
415 |
> |
shouldThrow(); |
416 |
> |
} catch (AccessControlException success) {} |
417 |
> |
}}; |
418 |
|
|
419 |
< |
try { |
441 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
442 |
< |
shouldThrow(); |
443 |
< |
} catch (AccessControlException success) { |
444 |
< |
} finally { |
445 |
< |
Policy.setPolicy(savedPolicy); |
446 |
< |
} |
419 |
> |
runWithoutPermissions(r); |
420 |
|
} |
421 |
|
|
422 |
|
/** |
423 |
|
* With class loader permissions, calling |
424 |
|
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
425 |
|
*/ |
426 |
< |
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
427 |
< |
Policy savedPolicy = null; |
428 |
< |
try { |
429 |
< |
savedPolicy = Policy.getPolicy(); |
430 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
431 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
432 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
433 |
< |
Policy.setPolicy(policy); |
434 |
< |
} catch (AccessControlException ok) { |
435 |
< |
return; |
436 |
< |
} |
437 |
< |
|
465 |
< |
try { |
466 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
467 |
< |
task.call(); |
468 |
< |
} |
469 |
< |
finally { |
470 |
< |
Policy.setPolicy(savedPolicy); |
471 |
< |
} |
426 |
> |
@SuppressWarnings("removal") |
427 |
> |
public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception { |
428 |
> |
Runnable r = new CheckedRunnable() { |
429 |
> |
public void realRun() throws Exception { |
430 |
> |
Executors.privilegedCallableUsingCurrentClassLoader |
431 |
> |
(new NoOpCallable()) |
432 |
> |
.call(); |
433 |
> |
}}; |
434 |
> |
|
435 |
> |
runWithPermissions(r, |
436 |
> |
new RuntimePermission("getClassLoader"), |
437 |
> |
new RuntimePermission("setContextClassLoader")); |
438 |
|
} |
439 |
|
|
440 |
|
/** |
441 |
|
* Without permissions, calling privilegedCallable throws ACE |
442 |
|
*/ |
443 |
< |
public void testprivilegedCallableWithNoPrivs() throws Exception { |
444 |
< |
Callable task; |
445 |
< |
Policy savedPolicy = null; |
446 |
< |
AdjustablePolicy policy = null; |
447 |
< |
AccessControlContext noprivAcc = null; |
448 |
< |
try { |
449 |
< |
savedPolicy = Policy.getPolicy(); |
450 |
< |
policy = new AdjustablePolicy(); |
451 |
< |
Policy.setPolicy(policy); |
452 |
< |
noprivAcc = AccessController.getContext(); |
453 |
< |
task = Executors.privilegedCallable(new CheckCCL()); |
454 |
< |
Policy.setPolicy(savedPolicy); |
455 |
< |
} catch (AccessControlException ok) { |
456 |
< |
return; // program has too few permissions to set up test |
457 |
< |
} |
458 |
< |
|
459 |
< |
// Make sure that program doesn't have too many permissions |
460 |
< |
try { |
461 |
< |
AccessController.doPrivileged(new PrivilegedAction() { |
462 |
< |
public Object run() { |
463 |
< |
checkCCL(); |
464 |
< |
return null; |
465 |
< |
}}, noprivAcc); |
466 |
< |
// too many permssions; skip test |
467 |
< |
return; |
468 |
< |
} catch (AccessControlException ok) { |
469 |
< |
} |
470 |
< |
|
471 |
< |
try { |
472 |
< |
task.call(); |
473 |
< |
shouldThrow(); |
474 |
< |
} catch (AccessControlException success) {} |
443 |
> |
@SuppressWarnings("removal") |
444 |
> |
public void testPrivilegedCallableWithNoPrivs() throws Exception { |
445 |
> |
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
446 |
> |
Executors.privilegedCallable(new CheckCCL()); |
447 |
> |
|
448 |
> |
Runnable r = new CheckedRunnable() { |
449 |
> |
public void realRun() throws Exception { |
450 |
> |
if (System.getSecurityManager() == null) |
451 |
> |
return; |
452 |
> |
Callable<?> task = Executors.privilegedCallable(new CheckCCL()); |
453 |
> |
try { |
454 |
> |
task.call(); |
455 |
> |
shouldThrow(); |
456 |
> |
} catch (AccessControlException success) {} |
457 |
> |
}}; |
458 |
> |
|
459 |
> |
runWithoutPermissions(r); |
460 |
> |
|
461 |
> |
// It seems rather difficult to test that the |
462 |
> |
// AccessControlContext of the privilegedCallable is used |
463 |
> |
// instead of its caller. Below is a failed attempt to do |
464 |
> |
// that, which does not work because the AccessController |
465 |
> |
// cannot capture the internal state of the current Policy. |
466 |
> |
// It would be much more work to differentiate based on, |
467 |
> |
// e.g. CodeSource. |
468 |
> |
|
469 |
> |
// final AccessControlContext[] noprivAcc = new AccessControlContext[1]; |
470 |
> |
// final Callable[] task = new Callable[1]; |
471 |
> |
|
472 |
> |
// runWithPermissions |
473 |
> |
// (new CheckedRunnable() { |
474 |
> |
// public void realRun() { |
475 |
> |
// if (System.getSecurityManager() == null) |
476 |
> |
// return; |
477 |
> |
// noprivAcc[0] = AccessController.getContext(); |
478 |
> |
// task[0] = Executors.privilegedCallable(new CheckCCL()); |
479 |
> |
// try { |
480 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
481 |
> |
// public Void run() { |
482 |
> |
// checkCCL(); |
483 |
> |
// return null; |
484 |
> |
// }}, noprivAcc[0]); |
485 |
> |
// shouldThrow(); |
486 |
> |
// } catch (AccessControlException success) {} |
487 |
> |
// }}); |
488 |
> |
|
489 |
> |
// runWithPermissions |
490 |
> |
// (new CheckedRunnable() { |
491 |
> |
// public void realRun() throws Exception { |
492 |
> |
// if (System.getSecurityManager() == null) |
493 |
> |
// return; |
494 |
> |
// // Verify that we have an underprivileged ACC |
495 |
> |
// try { |
496 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
497 |
> |
// public Void run() { |
498 |
> |
// checkCCL(); |
499 |
> |
// return null; |
500 |
> |
// }}, noprivAcc[0]); |
501 |
> |
// shouldThrow(); |
502 |
> |
// } catch (AccessControlException success) {} |
503 |
> |
|
504 |
> |
// try { |
505 |
> |
// task[0].call(); |
506 |
> |
// shouldThrow(); |
507 |
> |
// } catch (AccessControlException success) {} |
508 |
> |
// }}, |
509 |
> |
// new RuntimePermission("getClassLoader"), |
510 |
> |
// new RuntimePermission("setContextClassLoader")); |
511 |
|
} |
512 |
|
|
513 |
|
/** |
514 |
|
* With permissions, calling privilegedCallable succeeds |
515 |
|
*/ |
516 |
< |
public void testprivilegedCallableWithPrivs() throws Exception { |
517 |
< |
Policy savedPolicy = null; |
518 |
< |
try { |
519 |
< |
savedPolicy = Policy.getPolicy(); |
520 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
521 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
522 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
523 |
< |
Policy.setPolicy(policy); |
524 |
< |
} catch (AccessControlException ok) { |
525 |
< |
return; |
524 |
< |
} |
525 |
< |
|
526 |
< |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
527 |
< |
try { |
528 |
< |
task.call(); |
529 |
< |
} finally { |
530 |
< |
Policy.setPolicy(savedPolicy); |
531 |
< |
} |
516 |
> |
@SuppressWarnings("removal") |
517 |
> |
public void testPrivilegedCallableWithPrivs() throws Exception { |
518 |
> |
Runnable r = new CheckedRunnable() { |
519 |
> |
public void realRun() throws Exception { |
520 |
> |
Executors.privilegedCallable(new CheckCCL()).call(); |
521 |
> |
}}; |
522 |
> |
|
523 |
> |
runWithPermissions(r, |
524 |
> |
new RuntimePermission("getClassLoader"), |
525 |
> |
new RuntimePermission("setContextClassLoader")); |
526 |
|
} |
527 |
|
|
528 |
|
/** |
529 |
|
* callable(Runnable) returns null when called |
530 |
|
*/ |
531 |
|
public void testCallable1() throws Exception { |
532 |
< |
Callable c = Executors.callable(new NoOpRunnable()); |
532 |
> |
Callable<?> c = Executors.callable(new NoOpRunnable()); |
533 |
|
assertNull(c.call()); |
534 |
|
} |
535 |
|
|
537 |
|
* callable(Runnable, result) returns result when called |
538 |
|
*/ |
539 |
|
public void testCallable2() throws Exception { |
540 |
< |
Callable c = Executors.callable(new NoOpRunnable(), one); |
541 |
< |
assertEquals(one, c.call()); |
540 |
> |
Callable<?> c = Executors.callable(new NoOpRunnable(), one); |
541 |
> |
assertSame(one, c.call()); |
542 |
|
} |
543 |
|
|
544 |
|
/** |
545 |
|
* callable(PrivilegedAction) returns its result when called |
546 |
|
*/ |
547 |
|
public void testCallable3() throws Exception { |
548 |
< |
Callable c = Executors.callable(new PrivilegedAction() { |
548 |
> |
Callable<?> c = Executors.callable(new PrivilegedAction() { |
549 |
|
public Object run() { return one; }}); |
550 |
< |
assertEquals(one, c.call()); |
550 |
> |
assertSame(one, c.call()); |
551 |
|
} |
552 |
|
|
553 |
|
/** |
554 |
|
* callable(PrivilegedExceptionAction) returns its result when called |
555 |
|
*/ |
556 |
|
public void testCallable4() throws Exception { |
557 |
< |
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
557 |
> |
Callable<?> c = Executors.callable(new PrivilegedExceptionAction() { |
558 |
|
public Object run() { return one; }}); |
559 |
< |
assertEquals(one, c.call()); |
559 |
> |
assertSame(one, c.call()); |
560 |
|
} |
561 |
|
|
568 |
– |
|
562 |
|
/** |
563 |
|
* callable(null Runnable) throws NPE |
564 |
|
*/ |
565 |
|
public void testCallableNPE1() { |
566 |
|
try { |
567 |
< |
Callable c = Executors.callable((Runnable) null); |
567 |
> |
Callable<?> unused = Executors.callable((Runnable) null); |
568 |
|
shouldThrow(); |
569 |
|
} catch (NullPointerException success) {} |
570 |
|
} |
574 |
|
*/ |
575 |
|
public void testCallableNPE2() { |
576 |
|
try { |
577 |
< |
Callable c = Executors.callable((Runnable) null, one); |
577 |
> |
Callable<?> unused = Executors.callable((Runnable) null, one); |
578 |
|
shouldThrow(); |
579 |
|
} catch (NullPointerException success) {} |
580 |
|
} |
584 |
|
*/ |
585 |
|
public void testCallableNPE3() { |
586 |
|
try { |
587 |
< |
Callable c = Executors.callable((PrivilegedAction) null); |
587 |
> |
Callable<?> unused = Executors.callable((PrivilegedAction) null); |
588 |
|
shouldThrow(); |
589 |
|
} catch (NullPointerException success) {} |
590 |
|
} |
594 |
|
*/ |
595 |
|
public void testCallableNPE4() { |
596 |
|
try { |
597 |
< |
Callable c = Executors.callable((PrivilegedExceptionAction) null); |
597 |
> |
Callable<?> unused = Executors.callable((PrivilegedExceptionAction) null); |
598 |
|
shouldThrow(); |
599 |
|
} catch (NullPointerException success) {} |
600 |
|
} |
601 |
|
|
602 |
+ |
/** |
603 |
+ |
* callable(runnable, x).toString() contains toString of wrapped task |
604 |
+ |
*/ |
605 |
+ |
public void testCallable_withResult_toString() { |
606 |
+ |
if (testImplementationDetails) { |
607 |
+ |
Runnable r = () -> {}; |
608 |
+ |
Callable<String> c = Executors.callable(r, ""); |
609 |
+ |
assertEquals( |
610 |
+ |
identityString(c) + "[Wrapped task = " + r.toString() + "]", |
611 |
+ |
c.toString()); |
612 |
+ |
} |
613 |
+ |
} |
614 |
+ |
|
615 |
+ |
/** |
616 |
+ |
* callable(runnable).toString() contains toString of wrapped task |
617 |
+ |
*/ |
618 |
+ |
public void testCallable_toString() { |
619 |
+ |
if (testImplementationDetails) { |
620 |
+ |
Runnable r = () -> {}; |
621 |
+ |
Callable<Object> c = Executors.callable(r); |
622 |
+ |
assertEquals( |
623 |
+ |
identityString(c) + "[Wrapped task = " + r.toString() + "]", |
624 |
+ |
c.toString()); |
625 |
+ |
} |
626 |
+ |
} |
627 |
+ |
|
628 |
+ |
/** |
629 |
+ |
* privilegedCallable(callable).toString() contains toString of wrapped task |
630 |
+ |
*/ |
631 |
+ |
@SuppressWarnings("removal") |
632 |
+ |
public void testPrivilegedCallable_toString() { |
633 |
+ |
if (testImplementationDetails) { |
634 |
+ |
Callable<String> c = () -> ""; |
635 |
+ |
Callable<String> priv = Executors.privilegedCallable(c); |
636 |
+ |
assertEquals( |
637 |
+ |
identityString(priv) + "[Wrapped task = " + c.toString() + "]", |
638 |
+ |
priv.toString()); |
639 |
+ |
} |
640 |
+ |
} |
641 |
|
|
642 |
+ |
/** |
643 |
+ |
* privilegedCallableUsingCurrentClassLoader(callable).toString() |
644 |
+ |
* contains toString of wrapped task |
645 |
+ |
*/ |
646 |
+ |
@SuppressWarnings("removal") |
647 |
+ |
public void testPrivilegedCallableUsingCurrentClassLoader_toString() { |
648 |
+ |
if (testImplementationDetails) { |
649 |
+ |
Callable<String> c = () -> ""; |
650 |
+ |
Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c); |
651 |
+ |
assertEquals( |
652 |
+ |
identityString(priv) + "[Wrapped task = " + c.toString() + "]", |
653 |
+ |
priv.toString()); |
654 |
+ |
} |
655 |
+ |
} |
656 |
|
} |