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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 junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.math.BigInteger; |
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import java.security.*; |
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|
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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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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ExecutorsTest.class); |
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} |
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|
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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, 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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} 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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} |
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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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} 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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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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/** |
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* unconfigurableExecutorService(null) throws NPE |
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*/ |
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public void testunconfigurableExecutorServiceNPE() { |
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public void testUnconfigurableExecutorServiceNPE() { |
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try { |
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ExecutorService e = Executors.unconfigurableExecutorService(null); |
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shouldThrow(); |
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/** |
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* unconfigurableScheduledExecutorService(null) throws NPE |
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*/ |
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public void testunconfigurableScheduledExecutorServiceNPE() { |
181 |
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public void testUnconfigurableScheduledExecutorServiceNPE() { |
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try { |
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ExecutorService e = Executors.unconfigurableScheduledExecutorService(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 newSingleThreadScheduledExecutor successfully runs delayed task |
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*/ |
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public void testNewSingleThreadScheduledExecutor() throws Exception { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.newSingleThreadScheduledExecutor(); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, 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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ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); |
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try { |
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final CountDownLatch proceed = new CountDownLatch(1); |
195 |
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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), |
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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()); |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* a newScheduledThreadPool successfully runs delayed task |
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*/ |
217 |
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public void testnewScheduledThreadPool() throws Exception { |
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TrackedCallable callable = new TrackedCallable(); |
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ScheduledExecutorService p1 = Executors.newScheduledThreadPool(2); |
220 |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
223 |
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assertTrue(callable.done); |
224 |
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assertEquals(Boolean.TRUE, f.get()); |
225 |
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joinPool(p1); |
217 |
> |
public void testNewScheduledThreadPool() throws Exception { |
218 |
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ScheduledExecutorService p = Executors.newScheduledThreadPool(2); |
219 |
> |
try { |
220 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
221 |
> |
final Runnable task = new CheckedRunnable() { |
222 |
> |
public void realRun() { |
223 |
> |
await(proceed); |
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> |
}}; |
225 |
> |
long startTime = System.nanoTime(); |
226 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
227 |
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timeoutMillis(), MILLISECONDS); |
228 |
> |
assertFalse(f.isDone()); |
229 |
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proceed.countDown(); |
230 |
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assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
231 |
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assertSame(Boolean.TRUE, f.get()); |
232 |
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assertTrue(f.isDone()); |
233 |
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assertFalse(f.isCancelled()); |
234 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
235 |
> |
} finally { |
236 |
> |
joinPool(p); |
237 |
> |
} |
238 |
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} |
239 |
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|
240 |
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/** |
241 |
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* an unconfigurable newScheduledThreadPool successfully runs delayed task |
242 |
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*/ |
243 |
< |
public void testunconfigurableScheduledExecutorService() throws Exception { |
244 |
< |
TrackedCallable callable = new TrackedCallable(); |
245 |
< |
ScheduledExecutorService p1 = Executors.unconfigurableScheduledExecutorService(Executors.newScheduledThreadPool(2)); |
246 |
< |
Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
247 |
< |
assertFalse(callable.done); |
248 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
249 |
< |
assertTrue(callable.done); |
250 |
< |
assertEquals(Boolean.TRUE, f.get()); |
251 |
< |
joinPool(p1); |
243 |
> |
public void testUnconfigurableScheduledExecutorService() throws Exception { |
244 |
> |
ScheduledExecutorService p = |
245 |
> |
Executors.unconfigurableScheduledExecutorService |
246 |
> |
(Executors.newScheduledThreadPool(2)); |
247 |
> |
try { |
248 |
> |
final CountDownLatch proceed = new CountDownLatch(1); |
249 |
> |
final Runnable task = new CheckedRunnable() { |
250 |
> |
public void realRun() { |
251 |
> |
await(proceed); |
252 |
> |
}}; |
253 |
> |
long startTime = System.nanoTime(); |
254 |
> |
Future f = p.schedule(Executors.callable(task, Boolean.TRUE), |
255 |
> |
timeoutMillis(), MILLISECONDS); |
256 |
> |
assertFalse(f.isDone()); |
257 |
> |
proceed.countDown(); |
258 |
> |
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); |
259 |
> |
assertSame(Boolean.TRUE, f.get()); |
260 |
> |
assertTrue(f.isDone()); |
261 |
> |
assertFalse(f.isCancelled()); |
262 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
263 |
> |
} finally { |
264 |
> |
joinPool(p); |
265 |
> |
} |
266 |
|
} |
267 |
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|
268 |
|
/** |
269 |
< |
* timeouts from execute will time out if they compute too long. |
269 |
> |
* Future.get on submitted tasks will time out if they compute too long. |
270 |
|
*/ |
271 |
|
public void testTimedCallable() throws Exception { |
272 |
< |
int N = 10000; |
273 |
< |
ExecutorService executor = Executors.newSingleThreadExecutor(); |
274 |
< |
List<Callable<BigInteger>> tasks = new ArrayList<Callable<BigInteger>>(N); |
275 |
< |
try { |
276 |
< |
long startTime = System.currentTimeMillis(); |
277 |
< |
|
278 |
< |
long i = 0; |
279 |
< |
while (tasks.size() < N) { |
280 |
< |
tasks.add(new TimedCallable<BigInteger>(executor, new Fib(i), 1)); |
281 |
< |
i += 10; |
282 |
< |
} |
283 |
< |
|
284 |
< |
int iters = 0; |
285 |
< |
BigInteger sum = BigInteger.ZERO; |
286 |
< |
for (Iterator<Callable<BigInteger>> it = tasks.iterator(); it.hasNext();) { |
287 |
< |
try { |
288 |
< |
++iters; |
289 |
< |
sum = sum.add(it.next().call()); |
290 |
< |
} |
291 |
< |
catch (TimeoutException success) { |
292 |
< |
assertTrue(iters > 0); |
293 |
< |
return; |
294 |
< |
} |
295 |
< |
} |
290 |
< |
// if by chance we didn't ever time out, total time must be small |
291 |
< |
long elapsed = System.currentTimeMillis() - startTime; |
292 |
< |
assertTrue(elapsed < N); |
293 |
< |
} |
294 |
< |
finally { |
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 |
> |
long startTime = System.nanoTime(); |
289 |
> |
Future future = executor.submit(sleeper); |
290 |
> |
assertFutureTimesOut(future); |
291 |
> |
}})); |
292 |
> |
} |
293 |
> |
for (Thread thread : threads) |
294 |
> |
awaitTermination(thread); |
295 |
> |
for (ExecutorService executor : executors) |
296 |
|
joinPool(executor); |
296 |
– |
} |
297 |
|
} |
298 |
|
|
299 |
– |
|
299 |
|
/** |
300 |
|
* ThreadPoolExecutor using defaultThreadFactory has |
301 |
|
* specified group, priority, daemon status, and name |
302 |
|
*/ |
303 |
|
public void testDefaultThreadFactory() throws Exception { |
304 |
|
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
305 |
< |
Runnable r = new Runnable() { |
306 |
< |
public void run() { |
307 |
< |
try { |
308 |
< |
Thread current = Thread.currentThread(); |
309 |
< |
threadAssertTrue(!current.isDaemon()); |
310 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
311 |
< |
ThreadGroup g = current.getThreadGroup(); |
312 |
< |
SecurityManager s = System.getSecurityManager(); |
313 |
< |
if (s != null) |
314 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
315 |
< |
else |
316 |
< |
threadAssertTrue(g == egroup); |
317 |
< |
String name = current.getName(); |
318 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
319 |
< |
} catch (SecurityException ok) { |
320 |
< |
// Also pass if not allowed to change setting |
321 |
< |
} |
305 |
> |
final CountDownLatch done = new CountDownLatch(1); |
306 |
> |
Runnable r = new CheckedRunnable() { |
307 |
> |
public void realRun() { |
308 |
> |
try { |
309 |
> |
Thread current = Thread.currentThread(); |
310 |
> |
assertTrue(!current.isDaemon()); |
311 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
312 |
> |
ThreadGroup g = current.getThreadGroup(); |
313 |
> |
SecurityManager s = System.getSecurityManager(); |
314 |
> |
if (s != null) |
315 |
> |
assertTrue(g == s.getThreadGroup()); |
316 |
> |
else |
317 |
> |
assertTrue(g == egroup); |
318 |
> |
String name = current.getName(); |
319 |
> |
assertTrue(name.endsWith("thread-1")); |
320 |
> |
} catch (SecurityException ok) { |
321 |
> |
// Also pass if not allowed to change setting |
322 |
|
} |
323 |
< |
}; |
323 |
> |
done.countDown(); |
324 |
> |
}}; |
325 |
|
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); |
326 |
|
|
327 |
|
e.execute(r); |
328 |
+ |
await(done); |
329 |
+ |
|
330 |
|
try { |
331 |
|
e.shutdown(); |
332 |
|
} catch (SecurityException ok) { |
333 |
|
} |
334 |
|
|
335 |
< |
try { |
334 |
< |
Thread.sleep(SHORT_DELAY_MS); |
335 |
< |
} finally { |
336 |
< |
joinPool(e); |
337 |
< |
} |
335 |
> |
joinPool(e); |
336 |
|
} |
337 |
|
|
338 |
|
/** |
341 |
|
* access control context and context class loader |
342 |
|
*/ |
343 |
|
public void testPrivilegedThreadFactory() throws Exception { |
344 |
< |
Policy savedPolicy = null; |
345 |
< |
try { |
346 |
< |
savedPolicy = Policy.getPolicy(); |
347 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
348 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
349 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
350 |
< |
Policy.setPolicy(policy); |
351 |
< |
} catch (AccessControlException ok) { |
354 |
< |
return; |
355 |
< |
} |
356 |
< |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
357 |
< |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
358 |
< |
final AccessControlContext thisacc = AccessController.getContext(); |
359 |
< |
Runnable r = new Runnable() { |
360 |
< |
public void run() { |
361 |
< |
try { |
344 |
> |
final CountDownLatch done = new CountDownLatch(1); |
345 |
> |
Runnable r = new CheckedRunnable() { |
346 |
> |
public void realRun() throws Exception { |
347 |
> |
final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); |
348 |
> |
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader(); |
349 |
> |
final AccessControlContext thisacc = AccessController.getContext(); |
350 |
> |
Runnable r = new CheckedRunnable() { |
351 |
> |
public void realRun() { |
352 |
|
Thread current = Thread.currentThread(); |
353 |
< |
threadAssertTrue(!current.isDaemon()); |
354 |
< |
threadAssertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
353 |
> |
assertTrue(!current.isDaemon()); |
354 |
> |
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY); |
355 |
|
ThreadGroup g = current.getThreadGroup(); |
356 |
|
SecurityManager s = System.getSecurityManager(); |
357 |
|
if (s != null) |
358 |
< |
threadAssertTrue(g == s.getThreadGroup()); |
358 |
> |
assertTrue(g == s.getThreadGroup()); |
359 |
|
else |
360 |
< |
threadAssertTrue(g == egroup); |
360 |
> |
assertTrue(g == egroup); |
361 |
|
String name = current.getName(); |
362 |
< |
threadAssertTrue(name.endsWith("thread-1")); |
363 |
< |
threadAssertTrue(thisccl == current.getContextClassLoader()); |
364 |
< |
threadAssertTrue(thisacc.equals(AccessController.getContext())); |
365 |
< |
} catch (SecurityException ok) { |
366 |
< |
// Also pass if not allowed to change settings |
367 |
< |
} |
368 |
< |
} |
369 |
< |
}; |
370 |
< |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
362 |
> |
assertTrue(name.endsWith("thread-1")); |
363 |
> |
assertSame(thisccl, current.getContextClassLoader()); |
364 |
> |
assertEquals(thisacc, AccessController.getContext()); |
365 |
> |
done.countDown(); |
366 |
> |
}}; |
367 |
> |
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); |
368 |
> |
e.execute(r); |
369 |
> |
await(done); |
370 |
> |
e.shutdown(); |
371 |
> |
joinPool(e); |
372 |
> |
}}; |
373 |
> |
|
374 |
> |
runWithPermissions(r, |
375 |
> |
new RuntimePermission("getClassLoader"), |
376 |
> |
new RuntimePermission("setContextClassLoader"), |
377 |
> |
new RuntimePermission("modifyThread")); |
378 |
> |
} |
379 |
|
|
380 |
< |
Policy.setPolicy(savedPolicy); |
381 |
< |
e.execute(r); |
382 |
< |
try { |
383 |
< |
e.shutdown(); |
384 |
< |
} catch (SecurityException ok) { |
385 |
< |
} |
386 |
< |
try { |
387 |
< |
Thread.sleep(SHORT_DELAY_MS); |
388 |
< |
} finally { |
391 |
< |
joinPool(e); |
380 |
> |
boolean haveCCLPermissions() { |
381 |
> |
SecurityManager sm = System.getSecurityManager(); |
382 |
> |
if (sm != null) { |
383 |
> |
try { |
384 |
> |
sm.checkPermission(new RuntimePermission("setContextClassLoader")); |
385 |
> |
sm.checkPermission(new RuntimePermission("getClassLoader")); |
386 |
> |
} catch (AccessControlException e) { |
387 |
> |
return false; |
388 |
> |
} |
389 |
|
} |
390 |
< |
|
390 |
> |
return true; |
391 |
|
} |
392 |
|
|
393 |
|
void checkCCL() { |
405 |
|
} |
406 |
|
} |
407 |
|
|
411 |
– |
|
408 |
|
/** |
409 |
|
* Without class loader permissions, creating |
410 |
|
* privilegedCallableUsingCurrentClassLoader throws ACE |
411 |
|
*/ |
412 |
|
public void testCreatePrivilegedCallableUsingCCLWithNoPrivs() { |
413 |
< |
Policy savedPolicy = null; |
414 |
< |
try { |
415 |
< |
savedPolicy = Policy.getPolicy(); |
416 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
417 |
< |
Policy.setPolicy(policy); |
418 |
< |
} catch (AccessControlException ok) { |
419 |
< |
return; |
420 |
< |
} |
421 |
< |
|
426 |
< |
// Check if program still has too many permissions to run test |
427 |
< |
try { |
428 |
< |
checkCCL(); |
429 |
< |
// too many privileges to test; so return |
430 |
< |
Policy.setPolicy(savedPolicy); |
431 |
< |
return; |
432 |
< |
} catch (AccessControlException ok) { |
433 |
< |
} |
413 |
> |
Runnable r = new CheckedRunnable() { |
414 |
> |
public void realRun() throws Exception { |
415 |
> |
if (System.getSecurityManager() == null) |
416 |
> |
return; |
417 |
> |
try { |
418 |
> |
Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
419 |
> |
shouldThrow(); |
420 |
> |
} catch (AccessControlException success) {} |
421 |
> |
}}; |
422 |
|
|
423 |
< |
try { |
436 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
437 |
< |
shouldThrow(); |
438 |
< |
} catch (AccessControlException success) { |
439 |
< |
} finally { |
440 |
< |
Policy.setPolicy(savedPolicy); |
441 |
< |
} |
423 |
> |
runWithoutPermissions(r); |
424 |
|
} |
425 |
|
|
426 |
|
/** |
427 |
|
* With class loader permissions, calling |
428 |
|
* privilegedCallableUsingCurrentClassLoader does not throw ACE |
429 |
|
*/ |
430 |
< |
public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { |
431 |
< |
Policy savedPolicy = null; |
432 |
< |
try { |
433 |
< |
savedPolicy = Policy.getPolicy(); |
434 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
435 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
436 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
437 |
< |
Policy.setPolicy(policy); |
438 |
< |
} catch (AccessControlException ok) { |
439 |
< |
return; |
440 |
< |
} |
459 |
< |
|
460 |
< |
try { |
461 |
< |
Callable task = Executors.privilegedCallableUsingCurrentClassLoader(new NoOpCallable()); |
462 |
< |
task.call(); |
463 |
< |
} |
464 |
< |
finally { |
465 |
< |
Policy.setPolicy(savedPolicy); |
466 |
< |
} |
430 |
> |
public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception { |
431 |
> |
Runnable r = new CheckedRunnable() { |
432 |
> |
public void realRun() throws Exception { |
433 |
> |
Executors.privilegedCallableUsingCurrentClassLoader |
434 |
> |
(new NoOpCallable()) |
435 |
> |
.call(); |
436 |
> |
}}; |
437 |
> |
|
438 |
> |
runWithPermissions(r, |
439 |
> |
new RuntimePermission("getClassLoader"), |
440 |
> |
new RuntimePermission("setContextClassLoader")); |
441 |
|
} |
442 |
|
|
443 |
|
/** |
444 |
|
* Without permissions, calling privilegedCallable throws ACE |
445 |
|
*/ |
446 |
< |
public void testprivilegedCallableWithNoPrivs() throws Exception { |
447 |
< |
Callable task; |
448 |
< |
Policy savedPolicy = null; |
449 |
< |
AdjustablePolicy policy = null; |
450 |
< |
AccessControlContext noprivAcc = null; |
451 |
< |
try { |
452 |
< |
savedPolicy = Policy.getPolicy(); |
453 |
< |
policy = new AdjustablePolicy(); |
454 |
< |
Policy.setPolicy(policy); |
455 |
< |
noprivAcc = AccessController.getContext(); |
456 |
< |
task = Executors.privilegedCallable(new CheckCCL()); |
457 |
< |
Policy.setPolicy(savedPolicy); |
458 |
< |
} catch (AccessControlException ok) { |
459 |
< |
return; // program has too few permissions to set up test |
460 |
< |
} |
461 |
< |
|
462 |
< |
// Make sure that program doesn't have too many permissions |
463 |
< |
try { |
464 |
< |
AccessController.doPrivileged(new PrivilegedAction() { |
465 |
< |
public Object run() { |
466 |
< |
checkCCL(); |
467 |
< |
return null; |
468 |
< |
}}, noprivAcc); |
469 |
< |
// too many permssions; skip test |
470 |
< |
return; |
471 |
< |
} catch (AccessControlException ok) { |
472 |
< |
} |
473 |
< |
|
474 |
< |
try { |
475 |
< |
task.call(); |
476 |
< |
shouldThrow(); |
477 |
< |
} catch (AccessControlException success) {} |
446 |
> |
public void testPrivilegedCallableWithNoPrivs() throws Exception { |
447 |
> |
// Avoid classloader-related SecurityExceptions in swingui.TestRunner |
448 |
> |
Executors.privilegedCallable(new CheckCCL()); |
449 |
> |
|
450 |
> |
Runnable r = new CheckedRunnable() { |
451 |
> |
public void realRun() throws Exception { |
452 |
> |
if (System.getSecurityManager() == null) |
453 |
> |
return; |
454 |
> |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
455 |
> |
try { |
456 |
> |
task.call(); |
457 |
> |
shouldThrow(); |
458 |
> |
} catch (AccessControlException success) {} |
459 |
> |
}}; |
460 |
> |
|
461 |
> |
runWithoutPermissions(r); |
462 |
> |
|
463 |
> |
// It seems rather difficult to test that the |
464 |
> |
// AccessControlContext of the privilegedCallable is used |
465 |
> |
// instead of its caller. Below is a failed attempt to do |
466 |
> |
// that, which does not work because the AccessController |
467 |
> |
// cannot capture the internal state of the current Policy. |
468 |
> |
// It would be much more work to differentiate based on, |
469 |
> |
// e.g. CodeSource. |
470 |
> |
|
471 |
> |
// final AccessControlContext[] noprivAcc = new AccessControlContext[1]; |
472 |
> |
// final Callable[] task = new Callable[1]; |
473 |
> |
|
474 |
> |
// runWithPermissions |
475 |
> |
// (new CheckedRunnable() { |
476 |
> |
// public void realRun() { |
477 |
> |
// if (System.getSecurityManager() == null) |
478 |
> |
// return; |
479 |
> |
// noprivAcc[0] = AccessController.getContext(); |
480 |
> |
// task[0] = Executors.privilegedCallable(new CheckCCL()); |
481 |
> |
// try { |
482 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
483 |
> |
// public Void run() { |
484 |
> |
// checkCCL(); |
485 |
> |
// return null; |
486 |
> |
// }}, noprivAcc[0]); |
487 |
> |
// shouldThrow(); |
488 |
> |
// } catch (AccessControlException success) {} |
489 |
> |
// }}); |
490 |
> |
|
491 |
> |
// runWithPermissions |
492 |
> |
// (new CheckedRunnable() { |
493 |
> |
// public void realRun() throws Exception { |
494 |
> |
// if (System.getSecurityManager() == null) |
495 |
> |
// return; |
496 |
> |
// // Verify that we have an underprivileged ACC |
497 |
> |
// try { |
498 |
> |
// AccessController.doPrivileged(new PrivilegedAction<Void>() { |
499 |
> |
// public Void run() { |
500 |
> |
// checkCCL(); |
501 |
> |
// return null; |
502 |
> |
// }}, noprivAcc[0]); |
503 |
> |
// shouldThrow(); |
504 |
> |
// } catch (AccessControlException success) {} |
505 |
> |
|
506 |
> |
// try { |
507 |
> |
// task[0].call(); |
508 |
> |
// shouldThrow(); |
509 |
> |
// } catch (AccessControlException success) {} |
510 |
> |
// }}, |
511 |
> |
// new RuntimePermission("getClassLoader"), |
512 |
> |
// new RuntimePermission("setContextClassLoader")); |
513 |
|
} |
514 |
|
|
515 |
|
/** |
516 |
|
* With permissions, calling privilegedCallable succeeds |
517 |
|
*/ |
518 |
< |
public void testprivilegedCallableWithPrivs() throws Exception { |
519 |
< |
Policy savedPolicy = null; |
520 |
< |
try { |
521 |
< |
savedPolicy = Policy.getPolicy(); |
522 |
< |
AdjustablePolicy policy = new AdjustablePolicy(); |
523 |
< |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
524 |
< |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
525 |
< |
Policy.setPolicy(policy); |
526 |
< |
} catch (AccessControlException ok) { |
518 |
< |
return; |
519 |
< |
} |
520 |
< |
|
521 |
< |
Callable task = Executors.privilegedCallable(new CheckCCL()); |
522 |
< |
try { |
523 |
< |
task.call(); |
524 |
< |
} finally { |
525 |
< |
Policy.setPolicy(savedPolicy); |
526 |
< |
} |
518 |
> |
public void testPrivilegedCallableWithPrivs() throws Exception { |
519 |
> |
Runnable r = new CheckedRunnable() { |
520 |
> |
public void realRun() throws Exception { |
521 |
> |
Executors.privilegedCallable(new CheckCCL()).call(); |
522 |
> |
}}; |
523 |
> |
|
524 |
> |
runWithPermissions(r, |
525 |
> |
new RuntimePermission("getClassLoader"), |
526 |
> |
new RuntimePermission("setContextClassLoader")); |
527 |
|
} |
528 |
|
|
529 |
|
/** |
539 |
|
*/ |
540 |
|
public void testCallable2() throws Exception { |
541 |
|
Callable c = Executors.callable(new NoOpRunnable(), one); |
542 |
< |
assertEquals(one, c.call()); |
542 |
> |
assertSame(one, c.call()); |
543 |
|
} |
544 |
|
|
545 |
|
/** |
548 |
|
public void testCallable3() throws Exception { |
549 |
|
Callable c = Executors.callable(new PrivilegedAction() { |
550 |
|
public Object run() { return one; }}); |
551 |
< |
assertEquals(one, c.call()); |
551 |
> |
assertSame(one, c.call()); |
552 |
|
} |
553 |
|
|
554 |
|
/** |
557 |
|
public void testCallable4() throws Exception { |
558 |
|
Callable c = Executors.callable(new PrivilegedExceptionAction() { |
559 |
|
public Object run() { return one; }}); |
560 |
< |
assertEquals(one, c.call()); |
560 |
> |
assertSame(one, c.call()); |
561 |
|
} |
562 |
|
|
563 |
– |
|
563 |
|
/** |
564 |
|
* callable(null Runnable) throws NPE |
565 |
|
*/ |
600 |
|
} catch (NullPointerException success) {} |
601 |
|
} |
602 |
|
|
604 |
– |
|
603 |
|
} |