--- jsr166/src/test/tck/ExecutorsTest.java 2010/11/09 15:29:11 1.36 +++ jsr166/src/test/tck/ExecutorsTest.java 2015/02/22 19:16:12 1.44 @@ -1,18 +1,30 @@ /* * Written by Doug Lea with assistance from members of JCP JSR-166 * Expert Group and released to the public domain, as explained at - * http://creativecommons.org/licenses/publicdomain + * http://creativecommons.org/publicdomain/zero/1.0/ * Other contributors include Andrew Wright, Jeffrey Hayes, * Pat Fisher, Mike Judd. */ - -import junit.framework.*; -import java.util.*; -import java.util.concurrent.*; import static java.util.concurrent.TimeUnit.MILLISECONDS; -import java.math.BigInteger; -import java.security.*; + +import java.security.AccessControlContext; +import java.security.AccessControlException; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.security.PrivilegedExceptionAction; +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.Callable; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.Executors; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Future; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.ThreadPoolExecutor; + +import junit.framework.Test; +import junit.framework.TestSuite; public class ExecutorsTest extends JSR166TestCase { public static void main(String[] args) { @@ -54,7 +66,6 @@ public class ExecutorsTest extends JSR16 } catch (NullPointerException success) {} } - /** * A new SingleThreadExecutor can execute runnables */ @@ -101,7 +112,6 @@ public class ExecutorsTest extends JSR16 } } - /** * A new newFixedThreadPool can execute runnables */ @@ -144,11 +154,10 @@ public class ExecutorsTest extends JSR16 } catch (IllegalArgumentException success) {} } - /** * An unconfigurable newFixedThreadPool can execute runnables */ - public void testunconfigurableExecutorService() { + public void testUnconfigurableExecutorService() { ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2)); e.execute(new NoOpRunnable()); e.execute(new NoOpRunnable()); @@ -159,7 +168,7 @@ public class ExecutorsTest extends JSR16 /** * unconfigurableExecutorService(null) throws NPE */ - public void testunconfigurableExecutorServiceNPE() { + public void testUnconfigurableExecutorServiceNPE() { try { ExecutorService e = Executors.unconfigurableExecutorService(null); shouldThrow(); @@ -169,32 +178,34 @@ public class ExecutorsTest extends JSR16 /** * unconfigurableScheduledExecutorService(null) throws NPE */ - public void testunconfigurableScheduledExecutorServiceNPE() { + public void testUnconfigurableScheduledExecutorServiceNPE() { try { ExecutorService e = Executors.unconfigurableScheduledExecutorService(null); shouldThrow(); } catch (NullPointerException success) {} } - /** * a newSingleThreadScheduledExecutor successfully runs delayed task */ public void testNewSingleThreadScheduledExecutor() throws Exception { ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor(); try { - final CountDownLatch done = new CountDownLatch(1); + final CountDownLatch proceed = new CountDownLatch(1); final Runnable task = new CheckedRunnable() { public void realRun() { - done.countDown(); + await(proceed); }}; + long startTime = System.nanoTime(); Future f = p.schedule(Executors.callable(task, Boolean.TRUE), - SHORT_DELAY_MS, MILLISECONDS); + timeoutMillis(), MILLISECONDS); assertFalse(f.isDone()); - assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); - assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); + proceed.countDown(); + assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); assertSame(Boolean.TRUE, f.get()); assertTrue(f.isDone()); + assertFalse(f.isCancelled()); + assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); } finally { joinPool(p); } @@ -203,21 +214,24 @@ public class ExecutorsTest extends JSR16 /** * a newScheduledThreadPool successfully runs delayed task */ - public void testnewScheduledThreadPool() throws Exception { + public void testNewScheduledThreadPool() throws Exception { ScheduledExecutorService p = Executors.newScheduledThreadPool(2); try { - final CountDownLatch done = new CountDownLatch(1); + final CountDownLatch proceed = new CountDownLatch(1); final Runnable task = new CheckedRunnable() { public void realRun() { - done.countDown(); + await(proceed); }}; + long startTime = System.nanoTime(); Future f = p.schedule(Executors.callable(task, Boolean.TRUE), - SHORT_DELAY_MS, MILLISECONDS); + timeoutMillis(), MILLISECONDS); assertFalse(f.isDone()); - assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); - assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); + proceed.countDown(); + assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); assertSame(Boolean.TRUE, f.get()); assertTrue(f.isDone()); + assertFalse(f.isCancelled()); + assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); } finally { joinPool(p); } @@ -226,23 +240,26 @@ public class ExecutorsTest extends JSR16 /** * an unconfigurable newScheduledThreadPool successfully runs delayed task */ - public void testunconfigurableScheduledExecutorService() throws Exception { + public void testUnconfigurableScheduledExecutorService() throws Exception { ScheduledExecutorService p = Executors.unconfigurableScheduledExecutorService (Executors.newScheduledThreadPool(2)); try { - final CountDownLatch done = new CountDownLatch(1); + final CountDownLatch proceed = new CountDownLatch(1); final Runnable task = new CheckedRunnable() { public void realRun() { - done.countDown(); + await(proceed); }}; + long startTime = System.nanoTime(); Future f = p.schedule(Executors.callable(task, Boolean.TRUE), - SHORT_DELAY_MS, MILLISECONDS); + timeoutMillis(), MILLISECONDS); assertFalse(f.isDone()); - assertTrue(done.await(MEDIUM_DELAY_MS, MILLISECONDS)); - assertSame(Boolean.TRUE, f.get(SMALL_DELAY_MS, MILLISECONDS)); + proceed.countDown(); + assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS)); assertSame(Boolean.TRUE, f.get()); assertTrue(f.isDone()); + assertFalse(f.isCancelled()); + assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); } finally { joinPool(p); } @@ -252,40 +269,39 @@ public class ExecutorsTest extends JSR16 * Future.get on submitted tasks will time out if they compute too long. */ public void testTimedCallable() throws Exception { + final ExecutorService[] executors = { + Executors.newSingleThreadExecutor(), + Executors.newCachedThreadPool(), + Executors.newFixedThreadPool(2), + Executors.newScheduledThreadPool(2), + }; + final Runnable sleeper = new CheckedInterruptedRunnable() { public void realRun() throws InterruptedException { - Thread.sleep(LONG_DELAY_MS); + delay(LONG_DELAY_MS); }}; - for (ExecutorService executor : - new ExecutorService[] { - Executors.newSingleThreadExecutor(), - Executors.newCachedThreadPool(), - Executors.newFixedThreadPool(2), - Executors.newScheduledThreadPool(2), - }) { - try { - Future future = executor.submit(sleeper); - try { - future.get(SHORT_DELAY_MS, MILLISECONDS); - shouldThrow(); - } catch (TimeoutException success) { - } finally { - future.cancel(true); - } - } - finally { - joinPool(executor); - } + + List threads = new ArrayList(); + for (final ExecutorService executor : executors) { + threads.add(newStartedThread(new CheckedRunnable() { + public void realRun() { + Future future = executor.submit(sleeper); + assertFutureTimesOut(future); + }})); } + for (Thread thread : threads) + awaitTermination(thread); + for (ExecutorService executor : executors) + joinPool(executor); } - /** * ThreadPoolExecutor using defaultThreadFactory has * specified group, priority, daemon status, and name */ public void testDefaultThreadFactory() throws Exception { final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); + final CountDownLatch done = new CountDownLatch(1); Runnable r = new CheckedRunnable() { public void realRun() { try { @@ -303,20 +319,19 @@ public class ExecutorsTest extends JSR16 } catch (SecurityException ok) { // Also pass if not allowed to change setting } + done.countDown(); }}; ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory()); e.execute(r); + await(done); + try { e.shutdown(); } catch (SecurityException ok) { } - try { - Thread.sleep(SHORT_DELAY_MS); - } finally { - joinPool(e); - } + joinPool(e); } /** @@ -325,6 +340,7 @@ public class ExecutorsTest extends JSR16 * access control context and context class loader */ public void testPrivilegedThreadFactory() throws Exception { + final CountDownLatch done = new CountDownLatch(1); Runnable r = new CheckedRunnable() { public void realRun() throws Exception { final ThreadGroup egroup = Thread.currentThread().getThreadGroup(); @@ -345,11 +361,12 @@ public class ExecutorsTest extends JSR16 assertTrue(name.endsWith("thread-1")); assertSame(thisccl, current.getContextClassLoader()); assertEquals(thisacc, AccessController.getContext()); + done.countDown(); }}; ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory()); e.execute(r); + await(done); e.shutdown(); - Thread.sleep(SHORT_DELAY_MS); joinPool(e); }}; @@ -387,7 +404,6 @@ public class ExecutorsTest extends JSR16 } } - /** * Without class loader permissions, creating * privilegedCallableUsingCurrentClassLoader throws ACE @@ -410,7 +426,7 @@ public class ExecutorsTest extends JSR16 * With class loader permissions, calling * privilegedCallableUsingCurrentClassLoader does not throw ACE */ - public void testprivilegedCallableUsingCCLWithPrivs() throws Exception { + public void testPrivilegedCallableUsingCCLWithPrivs() throws Exception { Runnable r = new CheckedRunnable() { public void realRun() throws Exception { Executors.privilegedCallableUsingCurrentClassLoader @@ -426,7 +442,7 @@ public class ExecutorsTest extends JSR16 /** * Without permissions, calling privilegedCallable throws ACE */ - public void testprivilegedCallableWithNoPrivs() throws Exception { + public void testPrivilegedCallableWithNoPrivs() throws Exception { // Avoid classloader-related SecurityExceptions in swingui.TestRunner Executors.privilegedCallable(new CheckCCL()); @@ -498,13 +514,13 @@ public class ExecutorsTest extends JSR16 /** * With permissions, calling privilegedCallable succeeds */ - public void testprivilegedCallableWithPrivs() throws Exception { + public void testPrivilegedCallableWithPrivs() throws Exception { Runnable r = new CheckedRunnable() { public void realRun() throws Exception { Executors.privilegedCallable(new CheckCCL()).call(); }}; - runWithPermissions(r, + runWithPermissions(r, new RuntimePermission("getClassLoader"), new RuntimePermission("setContextClassLoader")); } @@ -543,7 +559,6 @@ public class ExecutorsTest extends JSR16 assertSame(one, c.call()); } - /** * callable(null Runnable) throws NPE */ @@ -584,5 +599,4 @@ public class ExecutorsTest extends JSR16 } catch (NullPointerException success) {} } - }