@Test
public void testCancellationAwareTask2() {
Callable task1 = new CancellationAwareTask(5000);
ExecutorService executor = createSingleNodeExecutorService("testCancellationAwareTask", 1);
executor.submit(task1);
Callable task2 = new BasicTestTask();
Future future = executor.submit(task2);
assertFalse(future.isDone());
assertTrue(future.cancel(true));
assertTrue(future.isCancelled());
assertTrue(future.isDone());
try {
future.get();
fail("Should not complete the task successfully");
} catch (CancellationException expected) {
} catch (Exception e) {
fail("Unexpected exception " + e);
}
}
@Test
public void testCancellationAwareTask() throws ExecutionException, InterruptedException {
CancellationAwareTask task = new CancellationAwareTask(5000);
ExecutorService executor = createSingleNodeExecutorService("testCancellationAwareTask");
Future future = executor.submit(task);
try {
future.get(2, TimeUnit.SECONDS);
fail("Should throw TimeoutException!");
} catch (TimeoutException expected) {
}
assertFalse(future.isDone());
assertTrue(future.cancel(true));
assertTrue(future.isCancelled());
assertTrue(future.isDone());
try {
future.get();
fail("Should not complete the task successfully");
} catch (CancellationException expected) {
} catch (Exception e) {
fail("Unexpected exception " + e);
}
}
@Test
public void testExecutorServiceStats() throws InterruptedException, ExecutionException {
final IExecutorService executorService =
createSingleNodeExecutorService("testExecutorServiceStats");
final int k = 10;
final CountDownLatch latch = new CountDownLatch(k);
final int executionTime = 200;
for (int i = 0; i < k; i++) {
executorService.execute(
new Runnable() {
public void run() {
try {
Thread.sleep(executionTime);
} catch (InterruptedException e) {
e.printStackTrace();
}
latch.countDown();
}
});
}
latch.await(2, TimeUnit.MINUTES);
final Future<Boolean> f = executorService.submit(new CancellationAwareTask(10000));
Thread.sleep(1000);
f.cancel(true);
try {
f.get();
} catch (CancellationException e) {
}
final LocalExecutorStats stats = executorService.getLocalExecutorStats();
assertEquals(k + 1, stats.getStartedTaskCount());
assertEquals(k, stats.getCompletedTaskCount());
assertEquals(0, stats.getPendingTaskCount());
assertEquals(1, stats.getCancelledTaskCount());
}