1 |
/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
8 |
|
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import java.util.concurrent.*; |
10 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
11 |
import java.util.concurrent.locks.*; |
12 |
|
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import junit.framework.*; |
14 |
import java.util.*; |
15 |
|
16 |
public class ThreadPoolExecutorSubclassTest extends JSR166TestCase { |
17 |
public static void main(String[] args) { |
18 |
junit.textui.TestRunner.run(suite()); |
19 |
} |
20 |
public static Test suite() { |
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return new TestSuite(ThreadPoolExecutorSubclassTest.class); |
22 |
} |
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|
24 |
static class CustomTask<V> implements RunnableFuture<V> { |
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final Callable<V> callable; |
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final ReentrantLock lock = new ReentrantLock(); |
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final Condition cond = lock.newCondition(); |
28 |
boolean done; |
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boolean cancelled; |
30 |
V result; |
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Thread thread; |
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Exception exception; |
33 |
CustomTask(Callable<V> c) { |
34 |
if (c == null) throw new NullPointerException(); |
35 |
callable = c; |
36 |
} |
37 |
CustomTask(final Runnable r, final V res) { |
38 |
if (r == null) throw new NullPointerException(); |
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callable = new Callable<V>() { |
40 |
public V call() throws Exception { r.run(); return res; }}; |
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} |
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public boolean isDone() { |
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lock.lock(); try { return done; } finally { lock.unlock() ; } |
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} |
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public boolean isCancelled() { |
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lock.lock(); try { return cancelled; } finally { lock.unlock() ; } |
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} |
48 |
public boolean cancel(boolean mayInterrupt) { |
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lock.lock(); |
50 |
try { |
51 |
if (!done) { |
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cancelled = true; |
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done = true; |
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if (mayInterrupt && thread != null) |
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thread.interrupt(); |
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return true; |
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} |
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return false; |
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} |
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finally { lock.unlock() ; } |
61 |
} |
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public void run() { |
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boolean runme; |
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lock.lock(); |
65 |
try { |
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runme = !done; |
67 |
if (!runme) |
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thread = Thread.currentThread(); |
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} |
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finally { lock.unlock() ; } |
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if (!runme) return; |
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V v = null; |
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Exception e = null; |
74 |
try { |
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v = callable.call(); |
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} |
77 |
catch (Exception ex) { |
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e = ex; |
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} |
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lock.lock(); |
81 |
try { |
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result = v; |
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exception = e; |
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done = true; |
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thread = null; |
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cond.signalAll(); |
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} |
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finally { lock.unlock(); } |
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} |
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public V get() throws InterruptedException, ExecutionException { |
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lock.lock(); |
92 |
try { |
93 |
while (!done) |
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cond.await(); |
95 |
if (exception != null) |
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throw new ExecutionException(exception); |
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return result; |
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} |
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finally { lock.unlock(); } |
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} |
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public V get(long timeout, TimeUnit unit) |
102 |
throws InterruptedException, ExecutionException, TimeoutException { |
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long nanos = unit.toNanos(timeout); |
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lock.lock(); |
105 |
try { |
106 |
for (;;) { |
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if (done) break; |
108 |
if (nanos < 0) |
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throw new TimeoutException(); |
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nanos = cond.awaitNanos(nanos); |
111 |
} |
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if (exception != null) |
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throw new ExecutionException(exception); |
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return result; |
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} |
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finally { lock.unlock(); } |
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} |
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} |
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|
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|
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static class CustomTPE extends ThreadPoolExecutor { |
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protected <V> RunnableFuture<V> newTaskFor(Callable<V> c) { |
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return new CustomTask<V>(c); |
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} |
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protected <V> RunnableFuture<V> newTaskFor(Runnable r, V v) { |
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return new CustomTask<V>(r, v); |
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} |
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|
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
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workQueue); |
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} |
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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ThreadFactory threadFactory) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
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threadFactory); |
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} |
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|
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, |
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handler); |
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} |
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CustomTPE(int corePoolSize, |
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int maximumPoolSize, |
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long keepAliveTime, |
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TimeUnit unit, |
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BlockingQueue<Runnable> workQueue, |
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ThreadFactory threadFactory, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, maximumPoolSize, keepAliveTime, unit, |
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workQueue, threadFactory, handler); |
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} |
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|
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volatile boolean beforeCalled = false; |
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volatile boolean afterCalled = false; |
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volatile boolean terminatedCalled = false; |
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public CustomTPE() { |
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super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>()); |
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} |
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protected void beforeExecute(Thread t, Runnable r) { |
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beforeCalled = true; |
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} |
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protected void afterExecute(Runnable r, Throwable t) { |
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afterCalled = true; |
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} |
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protected void terminated() { |
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terminatedCalled = true; |
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} |
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|
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} |
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|
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static class FailingThreadFactory implements ThreadFactory { |
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int calls = 0; |
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public Thread newThread(Runnable r) { |
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if (++calls > 1) return null; |
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return new Thread(r); |
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} |
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} |
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|
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|
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/** |
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* execute successfully executes a runnable |
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*/ |
197 |
public void testExecute() throws InterruptedException { |
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ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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try { |
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p1.execute(new ShortRunnable()); |
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Thread.sleep(SMALL_DELAY_MS); |
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} finally { |
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joinPool(p1); |
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} |
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} |
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|
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/** |
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* getActiveCount increases but doesn't overestimate, when a |
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* thread becomes active |
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*/ |
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public void testGetActiveCount() throws InterruptedException { |
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ThreadPoolExecutor p2 = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p2.getActiveCount()); |
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p2.execute(new MediumRunnable()); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertEquals(1, p2.getActiveCount()); |
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joinPool(p2); |
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} |
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|
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/** |
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* prestartCoreThread starts a thread if under corePoolSize, else doesn't |
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*/ |
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public void testPrestartCoreThread() { |
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ThreadPoolExecutor p2 = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p2.getPoolSize()); |
226 |
assertTrue(p2.prestartCoreThread()); |
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assertEquals(1, p2.getPoolSize()); |
228 |
assertTrue(p2.prestartCoreThread()); |
229 |
assertEquals(2, p2.getPoolSize()); |
230 |
assertFalse(p2.prestartCoreThread()); |
231 |
assertEquals(2, p2.getPoolSize()); |
232 |
joinPool(p2); |
233 |
} |
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|
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/** |
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* prestartAllCoreThreads starts all corePoolSize threads |
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*/ |
238 |
public void testPrestartAllCoreThreads() { |
239 |
ThreadPoolExecutor p2 = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
240 |
assertEquals(0, p2.getPoolSize()); |
241 |
p2.prestartAllCoreThreads(); |
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assertEquals(2, p2.getPoolSize()); |
243 |
p2.prestartAllCoreThreads(); |
244 |
assertEquals(2, p2.getPoolSize()); |
245 |
joinPool(p2); |
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} |
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|
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/** |
249 |
* getCompletedTaskCount increases, but doesn't overestimate, |
250 |
* when tasks complete |
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*/ |
252 |
public void testGetCompletedTaskCount() throws InterruptedException { |
253 |
ThreadPoolExecutor p2 = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
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assertEquals(0, p2.getCompletedTaskCount()); |
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p2.execute(new ShortRunnable()); |
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Thread.sleep(SMALL_DELAY_MS); |
257 |
assertEquals(1, p2.getCompletedTaskCount()); |
258 |
try { p2.shutdown(); } catch (SecurityException ok) { return; } |
259 |
joinPool(p2); |
260 |
} |
261 |
|
262 |
/** |
263 |
* getCorePoolSize returns size given in constructor if not otherwise set |
264 |
*/ |
265 |
public void testGetCorePoolSize() { |
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ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
267 |
assertEquals(1, p1.getCorePoolSize()); |
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joinPool(p1); |
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} |
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|
271 |
/** |
272 |
* getKeepAliveTime returns value given in constructor if not otherwise set |
273 |
*/ |
274 |
public void testGetKeepAliveTime() { |
275 |
ThreadPoolExecutor p2 = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
276 |
assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS)); |
277 |
joinPool(p2); |
278 |
} |
279 |
|
280 |
|
281 |
/** |
282 |
* getThreadFactory returns factory in constructor if not set |
283 |
*/ |
284 |
public void testGetThreadFactory() { |
285 |
ThreadFactory tf = new SimpleThreadFactory(); |
286 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler()); |
287 |
assertSame(tf, p.getThreadFactory()); |
288 |
joinPool(p); |
289 |
} |
290 |
|
291 |
/** |
292 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
293 |
*/ |
294 |
public void testSetThreadFactory() { |
295 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
296 |
ThreadFactory tf = new SimpleThreadFactory(); |
297 |
p.setThreadFactory(tf); |
298 |
assertSame(tf, p.getThreadFactory()); |
299 |
joinPool(p); |
300 |
} |
301 |
|
302 |
|
303 |
/** |
304 |
* setThreadFactory(null) throws NPE |
305 |
*/ |
306 |
public void testSetThreadFactoryNull() { |
307 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
308 |
try { |
309 |
p.setThreadFactory(null); |
310 |
shouldThrow(); |
311 |
} catch (NullPointerException success) { |
312 |
} finally { |
313 |
joinPool(p); |
314 |
} |
315 |
} |
316 |
|
317 |
/** |
318 |
* getRejectedExecutionHandler returns handler in constructor if not set |
319 |
*/ |
320 |
public void testGetRejectedExecutionHandler() { |
321 |
RejectedExecutionHandler h = new NoOpREHandler(); |
322 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h); |
323 |
assertSame(h, p.getRejectedExecutionHandler()); |
324 |
joinPool(p); |
325 |
} |
326 |
|
327 |
/** |
328 |
* setRejectedExecutionHandler sets the handler returned by |
329 |
* getRejectedExecutionHandler |
330 |
*/ |
331 |
public void testSetRejectedExecutionHandler() { |
332 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
333 |
RejectedExecutionHandler h = new NoOpREHandler(); |
334 |
p.setRejectedExecutionHandler(h); |
335 |
assertSame(h, p.getRejectedExecutionHandler()); |
336 |
joinPool(p); |
337 |
} |
338 |
|
339 |
|
340 |
/** |
341 |
* setRejectedExecutionHandler(null) throws NPE |
342 |
*/ |
343 |
public void testSetRejectedExecutionHandlerNull() { |
344 |
ThreadPoolExecutor p = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
345 |
try { |
346 |
p.setRejectedExecutionHandler(null); |
347 |
shouldThrow(); |
348 |
} catch (NullPointerException success) { |
349 |
} finally { |
350 |
joinPool(p); |
351 |
} |
352 |
} |
353 |
|
354 |
|
355 |
/** |
356 |
* getLargestPoolSize increases, but doesn't overestimate, when |
357 |
* multiple threads active |
358 |
*/ |
359 |
public void testGetLargestPoolSize() throws InterruptedException { |
360 |
ThreadPoolExecutor p2 = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
361 |
assertEquals(0, p2.getLargestPoolSize()); |
362 |
p2.execute(new MediumRunnable()); |
363 |
p2.execute(new MediumRunnable()); |
364 |
Thread.sleep(SHORT_DELAY_MS); |
365 |
assertEquals(2, p2.getLargestPoolSize()); |
366 |
joinPool(p2); |
367 |
} |
368 |
|
369 |
/** |
370 |
* getMaximumPoolSize returns value given in constructor if not |
371 |
* otherwise set |
372 |
*/ |
373 |
public void testGetMaximumPoolSize() { |
374 |
ThreadPoolExecutor p2 = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
375 |
assertEquals(2, p2.getMaximumPoolSize()); |
376 |
joinPool(p2); |
377 |
} |
378 |
|
379 |
/** |
380 |
* getPoolSize increases, but doesn't overestimate, when threads |
381 |
* become active |
382 |
*/ |
383 |
public void testGetPoolSize() { |
384 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
385 |
assertEquals(0, p1.getPoolSize()); |
386 |
p1.execute(new MediumRunnable()); |
387 |
assertEquals(1, p1.getPoolSize()); |
388 |
joinPool(p1); |
389 |
} |
390 |
|
391 |
/** |
392 |
* getTaskCount increases, but doesn't overestimate, when tasks submitted |
393 |
*/ |
394 |
public void testGetTaskCount() throws InterruptedException { |
395 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
396 |
assertEquals(0, p1.getTaskCount()); |
397 |
p1.execute(new MediumRunnable()); |
398 |
Thread.sleep(SHORT_DELAY_MS); |
399 |
assertEquals(1, p1.getTaskCount()); |
400 |
joinPool(p1); |
401 |
} |
402 |
|
403 |
/** |
404 |
* isShutDown is false before shutdown, true after |
405 |
*/ |
406 |
public void testIsShutdown() { |
407 |
|
408 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
409 |
assertFalse(p1.isShutdown()); |
410 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
411 |
assertTrue(p1.isShutdown()); |
412 |
joinPool(p1); |
413 |
} |
414 |
|
415 |
|
416 |
/** |
417 |
* isTerminated is false before termination, true after |
418 |
*/ |
419 |
public void testIsTerminated() throws InterruptedException { |
420 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
421 |
assertFalse(p1.isTerminated()); |
422 |
try { |
423 |
p1.execute(new MediumRunnable()); |
424 |
} finally { |
425 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
426 |
} |
427 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
428 |
assertTrue(p1.isTerminated()); |
429 |
} |
430 |
|
431 |
/** |
432 |
* isTerminating is not true when running or when terminated |
433 |
*/ |
434 |
public void testIsTerminating() throws InterruptedException { |
435 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
436 |
assertFalse(p1.isTerminating()); |
437 |
try { |
438 |
p1.execute(new SmallRunnable()); |
439 |
assertFalse(p1.isTerminating()); |
440 |
} finally { |
441 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
442 |
} |
443 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
444 |
assertTrue(p1.isTerminated()); |
445 |
assertFalse(p1.isTerminating()); |
446 |
} |
447 |
|
448 |
/** |
449 |
* getQueue returns the work queue, which contains queued tasks |
450 |
*/ |
451 |
public void testGetQueue() throws InterruptedException { |
452 |
BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
453 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, q); |
454 |
FutureTask[] tasks = new FutureTask[5]; |
455 |
for (int i = 0; i < 5; i++) { |
456 |
tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); |
457 |
p1.execute(tasks[i]); |
458 |
} |
459 |
try { |
460 |
Thread.sleep(SHORT_DELAY_MS); |
461 |
BlockingQueue<Runnable> wq = p1.getQueue(); |
462 |
assertSame(q, wq); |
463 |
assertFalse(wq.contains(tasks[0])); |
464 |
assertTrue(wq.contains(tasks[4])); |
465 |
for (int i = 1; i < 5; ++i) |
466 |
tasks[i].cancel(true); |
467 |
p1.shutdownNow(); |
468 |
} finally { |
469 |
joinPool(p1); |
470 |
} |
471 |
} |
472 |
|
473 |
/** |
474 |
* remove(task) removes queued task, and fails to remove active task |
475 |
*/ |
476 |
public void testRemove() throws InterruptedException { |
477 |
BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10); |
478 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, q); |
479 |
FutureTask[] tasks = new FutureTask[5]; |
480 |
for (int i = 0; i < 5; i++) { |
481 |
tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); |
482 |
p1.execute(tasks[i]); |
483 |
} |
484 |
try { |
485 |
Thread.sleep(SHORT_DELAY_MS); |
486 |
assertFalse(p1.remove(tasks[0])); |
487 |
assertTrue(q.contains(tasks[4])); |
488 |
assertTrue(q.contains(tasks[3])); |
489 |
assertTrue(p1.remove(tasks[4])); |
490 |
assertFalse(p1.remove(tasks[4])); |
491 |
assertFalse(q.contains(tasks[4])); |
492 |
assertTrue(q.contains(tasks[3])); |
493 |
assertTrue(p1.remove(tasks[3])); |
494 |
assertFalse(q.contains(tasks[3])); |
495 |
} finally { |
496 |
joinPool(p1); |
497 |
} |
498 |
} |
499 |
|
500 |
/** |
501 |
* purge removes cancelled tasks from the queue |
502 |
*/ |
503 |
public void testPurge() { |
504 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
505 |
FutureTask[] tasks = new FutureTask[5]; |
506 |
for (int i = 0; i < 5; i++) { |
507 |
tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE); |
508 |
p1.execute(tasks[i]); |
509 |
} |
510 |
tasks[4].cancel(true); |
511 |
tasks[3].cancel(true); |
512 |
p1.purge(); |
513 |
long count = p1.getTaskCount(); |
514 |
assertTrue(count >= 2 && count < 5); |
515 |
joinPool(p1); |
516 |
} |
517 |
|
518 |
/** |
519 |
* shutDownNow returns a list containing tasks that were not run |
520 |
*/ |
521 |
public void testShutDownNow() { |
522 |
ThreadPoolExecutor p1 = new CustomTPE(1, 1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
523 |
List l; |
524 |
try { |
525 |
for (int i = 0; i < 5; i++) |
526 |
p1.execute(new MediumPossiblyInterruptedRunnable()); |
527 |
} |
528 |
finally { |
529 |
try { |
530 |
l = p1.shutdownNow(); |
531 |
} catch (SecurityException ok) { return; } |
532 |
} |
533 |
assertTrue(p1.isShutdown()); |
534 |
assertTrue(l.size() <= 4); |
535 |
} |
536 |
|
537 |
// Exception Tests |
538 |
|
539 |
|
540 |
/** |
541 |
* Constructor throws if corePoolSize argument is less than zero |
542 |
*/ |
543 |
public void testConstructor1() { |
544 |
try { |
545 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
546 |
shouldThrow(); |
547 |
} catch (IllegalArgumentException success) {} |
548 |
} |
549 |
|
550 |
/** |
551 |
* Constructor throws if maximumPoolSize is less than zero |
552 |
*/ |
553 |
public void testConstructor2() { |
554 |
try { |
555 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
556 |
shouldThrow(); |
557 |
} catch (IllegalArgumentException success) {} |
558 |
} |
559 |
|
560 |
/** |
561 |
* Constructor throws if maximumPoolSize is equal to zero |
562 |
*/ |
563 |
public void testConstructor3() { |
564 |
try { |
565 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
566 |
shouldThrow(); |
567 |
} catch (IllegalArgumentException success) {} |
568 |
} |
569 |
|
570 |
/** |
571 |
* Constructor throws if keepAliveTime is less than zero |
572 |
*/ |
573 |
public void testConstructor4() { |
574 |
try { |
575 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
576 |
shouldThrow(); |
577 |
} catch (IllegalArgumentException success) {} |
578 |
} |
579 |
|
580 |
/** |
581 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
582 |
*/ |
583 |
public void testConstructor5() { |
584 |
try { |
585 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
586 |
shouldThrow(); |
587 |
} catch (IllegalArgumentException success) {} |
588 |
} |
589 |
|
590 |
/** |
591 |
* Constructor throws if workQueue is set to null |
592 |
*/ |
593 |
public void testConstructorNullPointerException() { |
594 |
try { |
595 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null); |
596 |
shouldThrow(); |
597 |
} catch (NullPointerException success) {} |
598 |
} |
599 |
|
600 |
|
601 |
|
602 |
/** |
603 |
* Constructor throws if corePoolSize argument is less than zero |
604 |
*/ |
605 |
public void testConstructor6() { |
606 |
try { |
607 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
608 |
shouldThrow(); |
609 |
} catch (IllegalArgumentException success) {} |
610 |
} |
611 |
|
612 |
/** |
613 |
* Constructor throws if maximumPoolSize is less than zero |
614 |
*/ |
615 |
public void testConstructor7() { |
616 |
try { |
617 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
618 |
shouldThrow(); |
619 |
} catch (IllegalArgumentException success) {} |
620 |
} |
621 |
|
622 |
/** |
623 |
* Constructor throws if maximumPoolSize is equal to zero |
624 |
*/ |
625 |
public void testConstructor8() { |
626 |
try { |
627 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
628 |
shouldThrow(); |
629 |
} catch (IllegalArgumentException success) {} |
630 |
} |
631 |
|
632 |
/** |
633 |
* Constructor throws if keepAliveTime is less than zero |
634 |
*/ |
635 |
public void testConstructor9() { |
636 |
try { |
637 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
638 |
shouldThrow(); |
639 |
} catch (IllegalArgumentException success) {} |
640 |
} |
641 |
|
642 |
/** |
643 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
644 |
*/ |
645 |
public void testConstructor10() { |
646 |
try { |
647 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory()); |
648 |
shouldThrow(); |
649 |
} catch (IllegalArgumentException success) {} |
650 |
} |
651 |
|
652 |
/** |
653 |
* Constructor throws if workQueue is set to null |
654 |
*/ |
655 |
public void testConstructorNullPointerException2() { |
656 |
try { |
657 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory()); |
658 |
shouldThrow(); |
659 |
} catch (NullPointerException success) {} |
660 |
} |
661 |
|
662 |
/** |
663 |
* Constructor throws if threadFactory is set to null |
664 |
*/ |
665 |
public void testConstructorNullPointerException3() { |
666 |
try { |
667 |
ThreadFactory f = null; |
668 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f); |
669 |
shouldThrow(); |
670 |
} catch (NullPointerException success) {} |
671 |
} |
672 |
|
673 |
|
674 |
/** |
675 |
* Constructor throws if corePoolSize argument is less than zero |
676 |
*/ |
677 |
public void testConstructor11() { |
678 |
try { |
679 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
680 |
shouldThrow(); |
681 |
} catch (IllegalArgumentException success) {} |
682 |
} |
683 |
|
684 |
/** |
685 |
* Constructor throws if maximumPoolSize is less than zero |
686 |
*/ |
687 |
public void testConstructor12() { |
688 |
try { |
689 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
690 |
shouldThrow(); |
691 |
} catch (IllegalArgumentException success) {} |
692 |
} |
693 |
|
694 |
/** |
695 |
* Constructor throws if maximumPoolSize is equal to zero |
696 |
*/ |
697 |
public void testConstructor13() { |
698 |
try { |
699 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
700 |
shouldThrow(); |
701 |
} catch (IllegalArgumentException success) {} |
702 |
} |
703 |
|
704 |
/** |
705 |
* Constructor throws if keepAliveTime is less than zero |
706 |
*/ |
707 |
public void testConstructor14() { |
708 |
try { |
709 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
710 |
shouldThrow(); |
711 |
} catch (IllegalArgumentException success) {} |
712 |
} |
713 |
|
714 |
/** |
715 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
716 |
*/ |
717 |
public void testConstructor15() { |
718 |
try { |
719 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler()); |
720 |
shouldThrow(); |
721 |
} catch (IllegalArgumentException success) {} |
722 |
} |
723 |
|
724 |
/** |
725 |
* Constructor throws if workQueue is set to null |
726 |
*/ |
727 |
public void testConstructorNullPointerException4() { |
728 |
try { |
729 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new NoOpREHandler()); |
730 |
shouldThrow(); |
731 |
} catch (NullPointerException success) {} |
732 |
} |
733 |
|
734 |
/** |
735 |
* Constructor throws if handler is set to null |
736 |
*/ |
737 |
public void testConstructorNullPointerException5() { |
738 |
try { |
739 |
RejectedExecutionHandler r = null; |
740 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r); |
741 |
shouldThrow(); |
742 |
} catch (NullPointerException success) {} |
743 |
} |
744 |
|
745 |
|
746 |
/** |
747 |
* Constructor throws if corePoolSize argument is less than zero |
748 |
*/ |
749 |
public void testConstructor16() { |
750 |
try { |
751 |
new CustomTPE(-1,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
752 |
shouldThrow(); |
753 |
} catch (IllegalArgumentException success) {} |
754 |
} |
755 |
|
756 |
/** |
757 |
* Constructor throws if maximumPoolSize is less than zero |
758 |
*/ |
759 |
public void testConstructor17() { |
760 |
try { |
761 |
new CustomTPE(1,-1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
762 |
shouldThrow(); |
763 |
} catch (IllegalArgumentException success) {} |
764 |
} |
765 |
|
766 |
/** |
767 |
* Constructor throws if maximumPoolSize is equal to zero |
768 |
*/ |
769 |
public void testConstructor18() { |
770 |
try { |
771 |
new CustomTPE(1,0,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
772 |
shouldThrow(); |
773 |
} catch (IllegalArgumentException success) {} |
774 |
} |
775 |
|
776 |
/** |
777 |
* Constructor throws if keepAliveTime is less than zero |
778 |
*/ |
779 |
public void testConstructor19() { |
780 |
try { |
781 |
new CustomTPE(1,2,-1L,MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
782 |
shouldThrow(); |
783 |
} catch (IllegalArgumentException success) {} |
784 |
} |
785 |
|
786 |
/** |
787 |
* Constructor throws if corePoolSize is greater than the maximumPoolSize |
788 |
*/ |
789 |
public void testConstructor20() { |
790 |
try { |
791 |
new CustomTPE(2,1,LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler()); |
792 |
shouldThrow(); |
793 |
} catch (IllegalArgumentException success) {} |
794 |
} |
795 |
|
796 |
/** |
797 |
* Constructor throws if workQueue is set to null |
798 |
*/ |
799 |
public void testConstructorNullPointerException6() { |
800 |
try { |
801 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler()); |
802 |
shouldThrow(); |
803 |
} catch (NullPointerException success) {} |
804 |
} |
805 |
|
806 |
/** |
807 |
* Constructor throws if handler is set to null |
808 |
*/ |
809 |
public void testConstructorNullPointerException7() { |
810 |
try { |
811 |
RejectedExecutionHandler r = null; |
812 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r); |
813 |
shouldThrow(); |
814 |
} catch (NullPointerException success) {} |
815 |
} |
816 |
|
817 |
/** |
818 |
* Constructor throws if ThreadFactory is set top null |
819 |
*/ |
820 |
public void testConstructorNullPointerException8() { |
821 |
try { |
822 |
ThreadFactory f = null; |
823 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler()); |
824 |
shouldThrow(); |
825 |
} catch (NullPointerException success) {} |
826 |
} |
827 |
|
828 |
|
829 |
/** |
830 |
* execute throws RejectedExecutionException |
831 |
* if saturated. |
832 |
*/ |
833 |
public void testSaturatedExecute() { |
834 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
835 |
try { |
836 |
|
837 |
for (int i = 0; i < 5; ++i) { |
838 |
p.execute(new MediumRunnable()); |
839 |
} |
840 |
shouldThrow(); |
841 |
} catch (RejectedExecutionException success) {} |
842 |
joinPool(p); |
843 |
} |
844 |
|
845 |
/** |
846 |
* executor using CallerRunsPolicy runs task if saturated. |
847 |
*/ |
848 |
public void testSaturatedExecute2() { |
849 |
RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
850 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
851 |
try { |
852 |
|
853 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
854 |
for (int i = 0; i < 5; ++i) { |
855 |
tasks[i] = new TrackedNoOpRunnable(); |
856 |
} |
857 |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
858 |
p.execute(mr); |
859 |
for (int i = 0; i < 5; ++i) { |
860 |
p.execute(tasks[i]); |
861 |
} |
862 |
for (int i = 1; i < 5; ++i) { |
863 |
assertTrue(tasks[i].done); |
864 |
} |
865 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
866 |
} finally { |
867 |
joinPool(p); |
868 |
} |
869 |
} |
870 |
|
871 |
/** |
872 |
* executor using DiscardPolicy drops task if saturated. |
873 |
*/ |
874 |
public void testSaturatedExecute3() { |
875 |
RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
876 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
877 |
try { |
878 |
|
879 |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
880 |
for (int i = 0; i < 5; ++i) { |
881 |
tasks[i] = new TrackedNoOpRunnable(); |
882 |
} |
883 |
p.execute(new TrackedLongRunnable()); |
884 |
for (int i = 0; i < 5; ++i) { |
885 |
p.execute(tasks[i]); |
886 |
} |
887 |
for (int i = 0; i < 5; ++i) { |
888 |
assertFalse(tasks[i].done); |
889 |
} |
890 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
891 |
} finally { |
892 |
joinPool(p); |
893 |
} |
894 |
} |
895 |
|
896 |
/** |
897 |
* executor using DiscardOldestPolicy drops oldest task if saturated. |
898 |
*/ |
899 |
public void testSaturatedExecute4() { |
900 |
RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
901 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
902 |
try { |
903 |
p.execute(new TrackedLongRunnable()); |
904 |
TrackedLongRunnable r2 = new TrackedLongRunnable(); |
905 |
p.execute(r2); |
906 |
assertTrue(p.getQueue().contains(r2)); |
907 |
TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
908 |
p.execute(r3); |
909 |
assertFalse(p.getQueue().contains(r2)); |
910 |
assertTrue(p.getQueue().contains(r3)); |
911 |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
912 |
} finally { |
913 |
joinPool(p); |
914 |
} |
915 |
} |
916 |
|
917 |
/** |
918 |
* execute throws RejectedExecutionException if shutdown |
919 |
*/ |
920 |
public void testRejectedExecutionExceptionOnShutdown() { |
921 |
ThreadPoolExecutor tpe = |
922 |
new CustomTPE(1,1,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(1)); |
923 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
924 |
try { |
925 |
tpe.execute(new NoOpRunnable()); |
926 |
shouldThrow(); |
927 |
} catch (RejectedExecutionException success) {} |
928 |
|
929 |
joinPool(tpe); |
930 |
} |
931 |
|
932 |
/** |
933 |
* execute using CallerRunsPolicy drops task on shutdown |
934 |
*/ |
935 |
public void testCallerRunsOnShutdown() { |
936 |
RejectedExecutionHandler h = new CustomTPE.CallerRunsPolicy(); |
937 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
938 |
|
939 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
940 |
try { |
941 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
942 |
p.execute(r); |
943 |
assertFalse(r.done); |
944 |
} finally { |
945 |
joinPool(p); |
946 |
} |
947 |
} |
948 |
|
949 |
/** |
950 |
* execute using DiscardPolicy drops task on shutdown |
951 |
*/ |
952 |
public void testDiscardOnShutdown() { |
953 |
RejectedExecutionHandler h = new CustomTPE.DiscardPolicy(); |
954 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
955 |
|
956 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
957 |
try { |
958 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
959 |
p.execute(r); |
960 |
assertFalse(r.done); |
961 |
} finally { |
962 |
joinPool(p); |
963 |
} |
964 |
} |
965 |
|
966 |
|
967 |
/** |
968 |
* execute using DiscardOldestPolicy drops task on shutdown |
969 |
*/ |
970 |
public void testDiscardOldestOnShutdown() { |
971 |
RejectedExecutionHandler h = new CustomTPE.DiscardOldestPolicy(); |
972 |
ThreadPoolExecutor p = new CustomTPE(1,1, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h); |
973 |
|
974 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
975 |
try { |
976 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
977 |
p.execute(r); |
978 |
assertFalse(r.done); |
979 |
} finally { |
980 |
joinPool(p); |
981 |
} |
982 |
} |
983 |
|
984 |
|
985 |
/** |
986 |
* execute (null) throws NPE |
987 |
*/ |
988 |
public void testExecuteNull() { |
989 |
ThreadPoolExecutor tpe = null; |
990 |
try { |
991 |
tpe = new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
992 |
tpe.execute(null); |
993 |
shouldThrow(); |
994 |
} catch (NullPointerException success) {} |
995 |
|
996 |
joinPool(tpe); |
997 |
} |
998 |
|
999 |
/** |
1000 |
* setCorePoolSize of negative value throws IllegalArgumentException |
1001 |
*/ |
1002 |
public void testCorePoolSizeIllegalArgumentException() { |
1003 |
ThreadPoolExecutor tpe = |
1004 |
new CustomTPE(1,2,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1005 |
try { |
1006 |
tpe.setCorePoolSize(-1); |
1007 |
shouldThrow(); |
1008 |
} catch (IllegalArgumentException success) { |
1009 |
} finally { |
1010 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1011 |
} |
1012 |
joinPool(tpe); |
1013 |
} |
1014 |
|
1015 |
/** |
1016 |
* setMaximumPoolSize(int) throws IllegalArgumentException if |
1017 |
* given a value less the core pool size |
1018 |
*/ |
1019 |
public void testMaximumPoolSizeIllegalArgumentException() { |
1020 |
ThreadPoolExecutor tpe = |
1021 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1022 |
try { |
1023 |
tpe.setMaximumPoolSize(1); |
1024 |
shouldThrow(); |
1025 |
} catch (IllegalArgumentException success) { |
1026 |
} finally { |
1027 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1028 |
} |
1029 |
joinPool(tpe); |
1030 |
} |
1031 |
|
1032 |
/** |
1033 |
* setMaximumPoolSize throws IllegalArgumentException |
1034 |
* if given a negative value |
1035 |
*/ |
1036 |
public void testMaximumPoolSizeIllegalArgumentException2() { |
1037 |
ThreadPoolExecutor tpe = |
1038 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1039 |
try { |
1040 |
tpe.setMaximumPoolSize(-1); |
1041 |
shouldThrow(); |
1042 |
} catch (IllegalArgumentException success) { |
1043 |
} finally { |
1044 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1045 |
} |
1046 |
joinPool(tpe); |
1047 |
} |
1048 |
|
1049 |
|
1050 |
/** |
1051 |
* setKeepAliveTime throws IllegalArgumentException |
1052 |
* when given a negative value |
1053 |
*/ |
1054 |
public void testKeepAliveTimeIllegalArgumentException() { |
1055 |
ThreadPoolExecutor tpe = |
1056 |
new CustomTPE(2,3,LONG_DELAY_MS, MILLISECONDS,new ArrayBlockingQueue<Runnable>(10)); |
1057 |
|
1058 |
try { |
1059 |
tpe.setKeepAliveTime(-1,MILLISECONDS); |
1060 |
shouldThrow(); |
1061 |
} catch (IllegalArgumentException success) { |
1062 |
} finally { |
1063 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1064 |
} |
1065 |
joinPool(tpe); |
1066 |
} |
1067 |
|
1068 |
/** |
1069 |
* terminated() is called on termination |
1070 |
*/ |
1071 |
public void testTerminated() { |
1072 |
CustomTPE tpe = new CustomTPE(); |
1073 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1074 |
assertTrue(tpe.terminatedCalled); |
1075 |
joinPool(tpe); |
1076 |
} |
1077 |
|
1078 |
/** |
1079 |
* beforeExecute and afterExecute are called when executing task |
1080 |
*/ |
1081 |
public void testBeforeAfter() throws InterruptedException { |
1082 |
CustomTPE tpe = new CustomTPE(); |
1083 |
try { |
1084 |
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1085 |
tpe.execute(r); |
1086 |
Thread.sleep(SHORT_DELAY_MS); |
1087 |
assertTrue(r.done); |
1088 |
assertTrue(tpe.beforeCalled); |
1089 |
assertTrue(tpe.afterCalled); |
1090 |
try { tpe.shutdown(); } catch (SecurityException ok) { return; } |
1091 |
} finally { |
1092 |
joinPool(tpe); |
1093 |
} |
1094 |
} |
1095 |
|
1096 |
/** |
1097 |
* completed submit of callable returns result |
1098 |
*/ |
1099 |
public void testSubmitCallable() throws Exception { |
1100 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1101 |
try { |
1102 |
Future<String> future = e.submit(new StringTask()); |
1103 |
String result = future.get(); |
1104 |
assertSame(TEST_STRING, result); |
1105 |
} finally { |
1106 |
joinPool(e); |
1107 |
} |
1108 |
} |
1109 |
|
1110 |
/** |
1111 |
* completed submit of runnable returns successfully |
1112 |
*/ |
1113 |
public void testSubmitRunnable() throws Exception { |
1114 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1115 |
try { |
1116 |
Future<?> future = e.submit(new NoOpRunnable()); |
1117 |
future.get(); |
1118 |
assertTrue(future.isDone()); |
1119 |
} finally { |
1120 |
joinPool(e); |
1121 |
} |
1122 |
} |
1123 |
|
1124 |
/** |
1125 |
* completed submit of (runnable, result) returns result |
1126 |
*/ |
1127 |
public void testSubmitRunnable2() throws Exception { |
1128 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1129 |
try { |
1130 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
1131 |
String result = future.get(); |
1132 |
assertSame(TEST_STRING, result); |
1133 |
} finally { |
1134 |
joinPool(e); |
1135 |
} |
1136 |
} |
1137 |
|
1138 |
|
1139 |
/** |
1140 |
* invokeAny(null) throws NPE |
1141 |
*/ |
1142 |
public void testInvokeAny1() throws Exception { |
1143 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1144 |
try { |
1145 |
e.invokeAny(null); |
1146 |
shouldThrow(); |
1147 |
} catch (NullPointerException success) { |
1148 |
} finally { |
1149 |
joinPool(e); |
1150 |
} |
1151 |
} |
1152 |
|
1153 |
/** |
1154 |
* invokeAny(empty collection) throws IAE |
1155 |
*/ |
1156 |
public void testInvokeAny2() throws Exception { |
1157 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1158 |
try { |
1159 |
e.invokeAny(new ArrayList<Callable<String>>()); |
1160 |
shouldThrow(); |
1161 |
} catch (IllegalArgumentException success) { |
1162 |
} finally { |
1163 |
joinPool(e); |
1164 |
} |
1165 |
} |
1166 |
|
1167 |
/** |
1168 |
* invokeAny(c) throws NPE if c has null elements |
1169 |
*/ |
1170 |
public void testInvokeAny3() throws Exception { |
1171 |
CountDownLatch latch = new CountDownLatch(1); |
1172 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1173 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1174 |
l.add(latchAwaitingStringTask(latch)); |
1175 |
l.add(null); |
1176 |
try { |
1177 |
e.invokeAny(l); |
1178 |
shouldThrow(); |
1179 |
} catch (NullPointerException success) { |
1180 |
} finally { |
1181 |
latch.countDown(); |
1182 |
joinPool(e); |
1183 |
} |
1184 |
} |
1185 |
|
1186 |
/** |
1187 |
* invokeAny(c) throws ExecutionException if no task completes |
1188 |
*/ |
1189 |
public void testInvokeAny4() throws Exception { |
1190 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1191 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1192 |
l.add(new NPETask()); |
1193 |
try { |
1194 |
e.invokeAny(l); |
1195 |
shouldThrow(); |
1196 |
} catch (ExecutionException success) { |
1197 |
assertTrue(success.getCause() instanceof NullPointerException); |
1198 |
} finally { |
1199 |
joinPool(e); |
1200 |
} |
1201 |
} |
1202 |
|
1203 |
/** |
1204 |
* invokeAny(c) returns result of some task |
1205 |
*/ |
1206 |
public void testInvokeAny5() throws Exception { |
1207 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1208 |
try { |
1209 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1210 |
l.add(new StringTask()); |
1211 |
l.add(new StringTask()); |
1212 |
String result = e.invokeAny(l); |
1213 |
assertSame(TEST_STRING, result); |
1214 |
} finally { |
1215 |
joinPool(e); |
1216 |
} |
1217 |
} |
1218 |
|
1219 |
/** |
1220 |
* invokeAll(null) throws NPE |
1221 |
*/ |
1222 |
public void testInvokeAll1() throws Exception { |
1223 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1224 |
try { |
1225 |
e.invokeAll(null); |
1226 |
shouldThrow(); |
1227 |
} catch (NullPointerException success) { |
1228 |
} finally { |
1229 |
joinPool(e); |
1230 |
} |
1231 |
} |
1232 |
|
1233 |
/** |
1234 |
* invokeAll(empty collection) returns empty collection |
1235 |
*/ |
1236 |
public void testInvokeAll2() throws Exception { |
1237 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1238 |
try { |
1239 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1240 |
assertTrue(r.isEmpty()); |
1241 |
} finally { |
1242 |
joinPool(e); |
1243 |
} |
1244 |
} |
1245 |
|
1246 |
/** |
1247 |
* invokeAll(c) throws NPE if c has null elements |
1248 |
*/ |
1249 |
public void testInvokeAll3() throws Exception { |
1250 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1251 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1252 |
l.add(new StringTask()); |
1253 |
l.add(null); |
1254 |
try { |
1255 |
e.invokeAll(l); |
1256 |
shouldThrow(); |
1257 |
} catch (NullPointerException success) { |
1258 |
} finally { |
1259 |
joinPool(e); |
1260 |
} |
1261 |
} |
1262 |
|
1263 |
/** |
1264 |
* get of element of invokeAll(c) throws exception on failed task |
1265 |
*/ |
1266 |
public void testInvokeAll4() throws Exception { |
1267 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1268 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1269 |
l.add(new NPETask()); |
1270 |
List<Future<String>> futures = e.invokeAll(l); |
1271 |
assertEquals(1, futures.size()); |
1272 |
try { |
1273 |
futures.get(0).get(); |
1274 |
shouldThrow(); |
1275 |
} catch (ExecutionException success) { |
1276 |
assertTrue(success.getCause() instanceof NullPointerException); |
1277 |
} finally { |
1278 |
joinPool(e); |
1279 |
} |
1280 |
} |
1281 |
|
1282 |
/** |
1283 |
* invokeAll(c) returns results of all completed tasks |
1284 |
*/ |
1285 |
public void testInvokeAll5() throws Exception { |
1286 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1287 |
try { |
1288 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1289 |
l.add(new StringTask()); |
1290 |
l.add(new StringTask()); |
1291 |
List<Future<String>> futures = e.invokeAll(l); |
1292 |
assertEquals(2, futures.size()); |
1293 |
for (Future<String> future : futures) |
1294 |
assertSame(TEST_STRING, future.get()); |
1295 |
} finally { |
1296 |
joinPool(e); |
1297 |
} |
1298 |
} |
1299 |
|
1300 |
|
1301 |
|
1302 |
/** |
1303 |
* timed invokeAny(null) throws NPE |
1304 |
*/ |
1305 |
public void testTimedInvokeAny1() throws Exception { |
1306 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1307 |
try { |
1308 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1309 |
shouldThrow(); |
1310 |
} catch (NullPointerException success) { |
1311 |
} finally { |
1312 |
joinPool(e); |
1313 |
} |
1314 |
} |
1315 |
|
1316 |
/** |
1317 |
* timed invokeAny(,,null) throws NPE |
1318 |
*/ |
1319 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1320 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1321 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1322 |
l.add(new StringTask()); |
1323 |
try { |
1324 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1325 |
shouldThrow(); |
1326 |
} catch (NullPointerException success) { |
1327 |
} finally { |
1328 |
joinPool(e); |
1329 |
} |
1330 |
} |
1331 |
|
1332 |
/** |
1333 |
* timed invokeAny(empty collection) throws IAE |
1334 |
*/ |
1335 |
public void testTimedInvokeAny2() throws Exception { |
1336 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1337 |
try { |
1338 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1339 |
shouldThrow(); |
1340 |
} catch (IllegalArgumentException success) { |
1341 |
} finally { |
1342 |
joinPool(e); |
1343 |
} |
1344 |
} |
1345 |
|
1346 |
/** |
1347 |
* timed invokeAny(c) throws NPE if c has null elements |
1348 |
*/ |
1349 |
public void testTimedInvokeAny3() throws Exception { |
1350 |
CountDownLatch latch = new CountDownLatch(1); |
1351 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1352 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1353 |
l.add(latchAwaitingStringTask(latch)); |
1354 |
l.add(null); |
1355 |
try { |
1356 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1357 |
shouldThrow(); |
1358 |
} catch (NullPointerException success) { |
1359 |
} finally { |
1360 |
latch.countDown(); |
1361 |
joinPool(e); |
1362 |
} |
1363 |
} |
1364 |
|
1365 |
/** |
1366 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1367 |
*/ |
1368 |
public void testTimedInvokeAny4() throws Exception { |
1369 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1370 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1371 |
l.add(new NPETask()); |
1372 |
try { |
1373 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1374 |
shouldThrow(); |
1375 |
} catch (ExecutionException success) { |
1376 |
assertTrue(success.getCause() instanceof NullPointerException); |
1377 |
} finally { |
1378 |
joinPool(e); |
1379 |
} |
1380 |
} |
1381 |
|
1382 |
/** |
1383 |
* timed invokeAny(c) returns result of some task |
1384 |
*/ |
1385 |
public void testTimedInvokeAny5() throws Exception { |
1386 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1387 |
try { |
1388 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1389 |
l.add(new StringTask()); |
1390 |
l.add(new StringTask()); |
1391 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1392 |
assertSame(TEST_STRING, result); |
1393 |
} finally { |
1394 |
joinPool(e); |
1395 |
} |
1396 |
} |
1397 |
|
1398 |
/** |
1399 |
* timed invokeAll(null) throws NPE |
1400 |
*/ |
1401 |
public void testTimedInvokeAll1() throws Exception { |
1402 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1403 |
try { |
1404 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1405 |
shouldThrow(); |
1406 |
} catch (NullPointerException success) { |
1407 |
} finally { |
1408 |
joinPool(e); |
1409 |
} |
1410 |
} |
1411 |
|
1412 |
/** |
1413 |
* timed invokeAll(,,null) throws NPE |
1414 |
*/ |
1415 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1416 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1417 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1418 |
l.add(new StringTask()); |
1419 |
try { |
1420 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1421 |
shouldThrow(); |
1422 |
} catch (NullPointerException success) { |
1423 |
} finally { |
1424 |
joinPool(e); |
1425 |
} |
1426 |
} |
1427 |
|
1428 |
/** |
1429 |
* timed invokeAll(empty collection) returns empty collection |
1430 |
*/ |
1431 |
public void testTimedInvokeAll2() throws Exception { |
1432 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1433 |
try { |
1434 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1435 |
assertTrue(r.isEmpty()); |
1436 |
} finally { |
1437 |
joinPool(e); |
1438 |
} |
1439 |
} |
1440 |
|
1441 |
/** |
1442 |
* timed invokeAll(c) throws NPE if c has null elements |
1443 |
*/ |
1444 |
public void testTimedInvokeAll3() throws Exception { |
1445 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1446 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1447 |
l.add(new StringTask()); |
1448 |
l.add(null); |
1449 |
try { |
1450 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1451 |
shouldThrow(); |
1452 |
} catch (NullPointerException success) { |
1453 |
} finally { |
1454 |
joinPool(e); |
1455 |
} |
1456 |
} |
1457 |
|
1458 |
/** |
1459 |
* get of element of invokeAll(c) throws exception on failed task |
1460 |
*/ |
1461 |
public void testTimedInvokeAll4() throws Exception { |
1462 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1463 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1464 |
l.add(new NPETask()); |
1465 |
List<Future<String>> futures = |
1466 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1467 |
assertEquals(1, futures.size()); |
1468 |
try { |
1469 |
futures.get(0).get(); |
1470 |
shouldThrow(); |
1471 |
} catch (ExecutionException success) { |
1472 |
assertTrue(success.getCause() instanceof NullPointerException); |
1473 |
} finally { |
1474 |
joinPool(e); |
1475 |
} |
1476 |
} |
1477 |
|
1478 |
/** |
1479 |
* timed invokeAll(c) returns results of all completed tasks |
1480 |
*/ |
1481 |
public void testTimedInvokeAll5() throws Exception { |
1482 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1483 |
try { |
1484 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1485 |
l.add(new StringTask()); |
1486 |
l.add(new StringTask()); |
1487 |
List<Future<String>> futures = |
1488 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1489 |
assertEquals(2, futures.size()); |
1490 |
for (Future<String> future : futures) |
1491 |
assertSame(TEST_STRING, future.get()); |
1492 |
} finally { |
1493 |
joinPool(e); |
1494 |
} |
1495 |
} |
1496 |
|
1497 |
/** |
1498 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1499 |
*/ |
1500 |
public void testTimedInvokeAll6() throws Exception { |
1501 |
ExecutorService e = new CustomTPE(2, 2, LONG_DELAY_MS, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1502 |
try { |
1503 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1504 |
l.add(new StringTask()); |
1505 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1506 |
l.add(new StringTask()); |
1507 |
List<Future<String>> futures = |
1508 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1509 |
assertEquals(3, futures.size()); |
1510 |
Iterator<Future<String>> it = futures.iterator(); |
1511 |
Future<String> f1 = it.next(); |
1512 |
Future<String> f2 = it.next(); |
1513 |
Future<String> f3 = it.next(); |
1514 |
assertTrue(f1.isDone()); |
1515 |
assertTrue(f2.isDone()); |
1516 |
assertTrue(f3.isDone()); |
1517 |
assertFalse(f1.isCancelled()); |
1518 |
assertTrue(f2.isCancelled()); |
1519 |
} finally { |
1520 |
joinPool(e); |
1521 |
} |
1522 |
} |
1523 |
|
1524 |
/** |
1525 |
* Execution continues if there is at least one thread even if |
1526 |
* thread factory fails to create more |
1527 |
*/ |
1528 |
public void testFailingThreadFactory() throws InterruptedException { |
1529 |
ExecutorService e = new CustomTPE(100, 100, LONG_DELAY_MS, MILLISECONDS, new LinkedBlockingQueue<Runnable>(), new FailingThreadFactory()); |
1530 |
try { |
1531 |
for (int k = 0; k < 100; ++k) { |
1532 |
e.execute(new NoOpRunnable()); |
1533 |
} |
1534 |
Thread.sleep(LONG_DELAY_MS); |
1535 |
} finally { |
1536 |
joinPool(e); |
1537 |
} |
1538 |
} |
1539 |
|
1540 |
/** |
1541 |
* allowsCoreThreadTimeOut is by default false. |
1542 |
*/ |
1543 |
public void testAllowsCoreThreadTimeOut() { |
1544 |
ThreadPoolExecutor tpe = new CustomTPE(2, 2, 1000, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1545 |
assertFalse(tpe.allowsCoreThreadTimeOut()); |
1546 |
joinPool(tpe); |
1547 |
} |
1548 |
|
1549 |
/** |
1550 |
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1551 |
*/ |
1552 |
public void testAllowCoreThreadTimeOut_true() throws InterruptedException { |
1553 |
ThreadPoolExecutor tpe = new CustomTPE(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1554 |
tpe.allowCoreThreadTimeOut(true); |
1555 |
tpe.execute(new NoOpRunnable()); |
1556 |
try { |
1557 |
Thread.sleep(MEDIUM_DELAY_MS); |
1558 |
assertEquals(0, tpe.getPoolSize()); |
1559 |
} finally { |
1560 |
joinPool(tpe); |
1561 |
} |
1562 |
} |
1563 |
|
1564 |
/** |
1565 |
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
1566 |
*/ |
1567 |
public void testAllowCoreThreadTimeOut_false() throws InterruptedException { |
1568 |
ThreadPoolExecutor tpe = new CustomTPE(2, 10, 10, MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
1569 |
tpe.allowCoreThreadTimeOut(false); |
1570 |
tpe.execute(new NoOpRunnable()); |
1571 |
try { |
1572 |
Thread.sleep(MEDIUM_DELAY_MS); |
1573 |
assertTrue(tpe.getPoolSize() >= 1); |
1574 |
} finally { |
1575 |
joinPool(tpe); |
1576 |
} |
1577 |
} |
1578 |
|
1579 |
} |