// @Test
public void testNotifyTaskForked() throws InterruptedException, Exception {
System.out.println("notifyTaskForked");
final Task instance =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
return "result";
}
};
final Task t2 =
(new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
synchronized (instance) {
try {
instance.wait(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
fail("Interrupt while waiting notifyTaskForked notification semaphore");
}
assertEquals(Task.PENDING, instance.getStatus());
}
return "result";
}
})
.fork();
Thread.sleep(100);
assertEquals("Forked task instance is PENDING", Task.PENDING, instance.getStatus());
t2.cancel("testing");
}
// @Test
public void testToString() {
System.out.println("toString");
final Task instance =
new Task(Task.FASTLANE_PRIORITY, "start") {
protected Object exec(Object in) {
return in;
}
};
String result_1 = instance.toString();
assertTrue(result_1.length() > 5);
}
@Test(expected = TimeoutException.class)
public void taskTimesOutIfJoinedBeforeFork() throws CancellationException, TimeoutException {
Task instance =
new Task(Task.FASTLANE_PRIORITY, "white") {
protected Object exec(Object in) {
System.out.println("Executing task 1");
return (String) in + " rabbit";
}
};
instance.join(100);
fail("join() or get() to a Task that was not fork()ed should timeout");
}
/** Test of taskGetReturnsTheExecValue method, of class Task. */
@Test
public void taskGetReturnsTheExecValue() throws CancellationException, TimeoutException {
Task instance2 =
new Task(Task.FASTLANE_PRIORITY, "white") {
protected Object exec(Object in) {
System.out.println("Executing task 2");
return (String) in + " rabbit";
}
};
String out = (String) instance2.fork().get();
assertEquals("white rabbit", out);
}
// @Test
public void testGet() throws Exception {
System.out.println("get");
Task instance =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "result";
}
};
Object expResult_1 = "result";
instance.fork();
Object result_1 = instance.get();
assertEquals(expResult_1, result_1);
Task instance2 =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "result2";
}
};
Object expResult_2 = "result2";
Object result_2 = instance2.get();
assertEquals(expResult_2, result_2);
Task instance3 =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "result3";
}
};
instance3.fork();
Thread.sleep(100);
Object expResult_3 = "result3";
Object result_3 = instance3.get();
assertEquals(expResult_3, result_3);
}
@Test
public void testAnonInnerClassNameOverride() {
Task instance =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "run";
}
}.setClassName("TestInnerClassName");
assertEquals(
"Inner class name override is correct: " + instance.getClassName(),
"org.tantalum.TaskTest$1TestInnerClassName",
instance.getClassName());
}
/**
* You can call this as the return statement of your overriding method once you have set the
* result
*
* @return
*/
public final Object exec(Object in) {
Object out = in;
try {
synchronized (this) {
if (in == null) {
in = value;
} else {
value = in;
}
if (status == Task.CANCELED || status == Task.EXCEPTION) {
throw new IllegalStateException(
this.getStatusString() + " state can not be executed: " + this);
} else if (status != Task.EXEC_STARTED) {
setStatus(Task.EXEC_STARTED);
}
}
out = doInBackground(in);
final boolean doRun;
final Task t;
synchronized (this) {
value = out;
doRun = status == EXEC_STARTED;
if (doRun) {
setStatus(EXEC_FINISHED);
}
t = chainedTask;
}
if (this instanceof UITask && doRun) {
PlatformUtils.runOnUiThread((UITask) this);
}
if (t != null) {
// #debug
L.i("Begin exec chained task", chainedTask.toString() + " INPUT: " + out);
t.exec(out);
// #debug
L.i("End exec chained task", chainedTask.toString());
}
} catch (final Throwable t) {
// #debug
L.e("Unhandled task exception", this.toString(), t);
setStatus(EXCEPTION);
}
return out;
}
/** Test of testDoInBackground method, of class Task. */
@Test
public void doInBackgroundTest() {
System.out.println("doInBackground");
final Task instance =
new Task(Task.FASTLANE_PRIORITY, "ca") {
@Override
protected Object exec(Object in) {
return (String) in + "tty";
}
};
instance.set("be");
try {
assertEquals("betty", (String) instance.fork().get());
} catch (Exception ex) {
fail("Could not testDoInBackground: " + ex);
}
}
// @Test
public void testGetStatus() {
System.out.println("getStatus");
final Task instanceA =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return in;
}
};
final Task instance2 =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
}
return in;
}
};
final Task instance3 =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
}
return in;
}
};
assertEquals(Task.PENDING, instanceA.getStatus());
instance2.fork();
instance3.fork();
instanceA.fork();
assertEquals(Task.PENDING, instanceA.getStatus());
instance2.cancel("testing");
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
assertEquals(Task.FINISHED, instanceA.getStatus());
}
private static void doJoinAll(final Task[] tasks, final long timeout, final boolean joinUI)
throws InterruptedException, CancellationException, ExecutionException, TimeoutException {
if (tasks == null) {
throw new IllegalArgumentException("Can not joinAll(), list of tasks to join is null");
}
if (timeout < 0) {
throw new IllegalArgumentException("Can not joinAll() with timeout < 0: timeout=" + timeout);
}
// #mdebug
if (PlatformUtils.isUIThread() && timeout > 100) {
L.i("WARNING- slow Task.joinAll() on UI Thread", "timeout=" + timeout);
}
// #enddebug
// #debug
L.i("Start joinAll(" + timeout + ")", "numberOfTasks=" + tasks.length);
long timeLeft = Long.MAX_VALUE;
try {
final long startTime = System.currentTimeMillis();
for (int i = 0; i < tasks.length; i++) {
final Task task = tasks[i];
timeLeft = startTime + timeout - System.currentTimeMillis();
if (timeLeft <= 0) {
throw new TimeoutException("joinAll(" + timeout + ") timout exceeded (" + timeLeft + ")");
}
if (joinUI && task instanceof UITask) {
task.joinUI(timeout);
} else {
task.join(timeout);
}
}
} finally {
// #debug
L.i(
"End joinAll(" + timeout + ")",
"numberOfTasks=" + tasks.length + " timeElapsed=" + (timeout - timeLeft));
}
}
// @Test
public void testGetResult() {
System.out.println("getResult");
final Task instance =
new Task(Task.FASTLANE_PRIORITY, "start") {
protected Object exec(Object in) {
return in;
}
};
final Task instance2 =
new Task(Task.FASTLANE_PRIORITY, "start") {
protected Object exec(Object in) {
return in;
}
};
try {
assertEquals("start", instance.get());
instance2.set("next");
assertEquals("next", instance2.get());
} catch (Exception e) {
fail("Exception in testGetResult: " + e);
}
}
/**
* Change the status
*
* <p>You can only change status CANCELED or EXCEPTION to the READY state to explicitly indicate
* you are going to re-use this Task. Note that Task re-use is generally not advised, but can be
* valid if you have a special need such as performance when re-creating the Task is particularly
* expensive.
*
* @param status
*/
public final void setStatus(final int status) {
if (status < EXEC_PENDING || status > READY) {
throw new IllegalArgumentException("setStatus(" + status + ") not allowed");
}
final Task t;
synchronized (this) {
if ((this.status == CANCELED || this.status == EXCEPTION) && status != READY) {
// #debug
L.i(
"State change from "
+ getStatusString()
+ " to "
+ Task.STATUS_STRINGS[status]
+ " is ignored",
this.toString());
return;
}
this.status = status;
this.notifyAll();
t = chainedTask;
}
if (status == CANCELED || status == EXCEPTION) {
PlatformUtils.runOnUiThread(
new Runnable() {
public void run() {
// #debug
L.i("Task onCanceled()", Task.this.toString());
onCanceled();
}
});
// Also cancel any chained Tasks expecting the output of this Task
if (t != null) {
t.cancel(false);
}
}
}
// @Test
public void testCancelThread() {
System.out.println("cancelSelf");
final Task task1 =
new Task(Task.FASTLANE_PRIORITY, "1") {
@Override
protected Object exec(Object in) {
assertNotEquals(
"doInBackground() blue must not run on UI thread",
true,
PlatformUtils.getInstance().isUIThread());
cancel("Test cancel thread");
return (String) in + "2";
}
@Override
protected void onCanceled(final String reason) {
assertEquals(
"onCanceled() blue must run on UI thread",
true,
PlatformUtils.getInstance().isUIThread());
try {
set("blue");
fail("Can not set(\"blue\") in onCanceled()");
} catch (Exception e) {
}
}
};
try {
task1.fork();
Thread.sleep(200);
assertEquals(
"fork()ed task setStatus(Task.CANCELED) did not run onCanceled()", "blue", task1.get());
} catch (Exception e) {
e.printStackTrace();
fail("Can not testCancelThread()" + e);
}
}
/** Test of testFork method, of class Task. */
@Test
public void testFork() {
System.out.println("fork");
Task instance =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "run";
}
};
Task result_1 = instance.fork();
assertEquals(instance, result_1);
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
try {
assertEquals("run", (String) instance.get());
} catch (Exception ex) {
ex.printStackTrace();
fail("Can not get() : " + ex);
}
}
/** Test of testOnCanceled method, of class Task. */
@Ignore
@Test
public void onCanceledTest() {
System.out.println("onCanceled");
final Vector v = new Vector();
v.addElement("Dummy");
final Task instance =
new Task(Task.HIGH_PRIORITY) {
@Override
protected Object exec(Object in) {
try {
Thread.sleep(200);
fail("testOnCanceled() Task instance should have been interrupted");
} catch (InterruptedException ex) {
}
return in;
}
@Override
protected void onCanceled(String reason) {
v.insertElementAt("canceled-" + reason, 0);
}
};
instance.fork();
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
instance.cancel("testing");
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
assertEquals("canceled-testing", (String) v.firstElement());
}
// @Test
public void testSetResult() {
System.out.println("setResult");
try {
Task instance =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "result";
}
};
Task instance2 =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "result";
}
};
Task instance3 =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "result";
}
};
instance.set("prezult");
assertEquals("prezult", instance.get());
instance2.fork();
try {
assertEquals("result", instance2.get());
} catch (Exception ex) {
ex.printStackTrace();
fail("Can not testSetResult(): " + ex);
}
instance3.set("zult");
assertEquals("zult", instance3.get());
instance.set(null);
assertNull(instance3.get());
} catch (Exception e) {
fail("Exception in testSetResult(): " + e);
}
}
public void taskChainDelayTest() {
final long t = System.currentTimeMillis();
Task sleeper3sec =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
try {
L.i("sleeper3", "start sleep");
Thread.sleep(3000);
L.i("sleeper3", "end sleep");
} catch (Exception e) {
L.e("Problem with sleeper4", "", e);
}
return in;
}
};
Task sleeper3chain =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
L.i("getter3sec", "completed");
return new Long(System.currentTimeMillis() - t);
}
};
Task sleeper4sec =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
try {
L.i("sleeper4", "start sleep");
Thread.sleep(4000);
L.i("sleeper4", "end sleep");
} catch (Exception e) {
L.e("Problem with sleeper3", "", e);
}
return in;
}
};
Task sleeper4chain =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
L.i("getter10sec", "completed");
in = new Long(System.currentTimeMillis() - t);
return in;
}
};
sleeper3sec.chain(sleeper3chain);
sleeper4sec.chain(sleeper4chain);
sleeper4sec.fork();
sleeper3sec.fork();
Task[] sleepers = {sleeper4sec, sleeper3sec};
try {
Task.joinAll(sleepers);
assertTrue("joinAll() waiting >4sec", System.currentTimeMillis() - t >= 4000);
Object long4 = sleeper4chain.get();
Object long3 = sleeper3chain.get();
assertTrue("sleeper4chain should be non-null", long4 != null);
assertTrue("sleeper3chain should be non-null", long3 != null);
assertEquals("sleeper4 should return Long", Long.class, long4.getClass());
assertEquals("sleeper3 should return Long", Long.class, long3.getClass());
final long runtime4 = ((Long) long4).longValue();
final long runtime3 = ((Long) long3).longValue();
assertTrue(
"4sec chain delay task "
+ runtime4
+ " should be slower than 3sec "
+ runtime3
+ " delay task",
runtime3 < runtime4);
assertTrue(
"4sec chain delay task "
+ runtime4
+ " should be nearly 1 sec after 3sec "
+ runtime3
+ " delay task",
Math.abs(runtime4 - runtime3 - 1000) < 100);
} catch (Exception e) {
fail("Problem running taskChainDelayTest: " + e);
}
}
// @Test
public void testCancelSelf() {
System.out.println("cancelSelf");
final Task task1a =
new Task(Task.FASTLANE_PRIORITY, "1") {
@Override
protected Object exec(Object in) {
return (String) in + "2";
}
};
final Task task1aChain =
new Task(Task.UI_PRIORITY) {
@Override
protected Object exec(Object in) {
try {
// TEST FOR LOGIC ERROR- you can not set() after background execution completes
set("UI");
fail("set() after run should have been stopped");
} catch (Exception e) {
}
return in;
}
};
final Task task1b =
new Task(Task.FASTLANE_PRIORITY, "3") {
protected Object exec(Object in) {
return (String) in + "4";
}
public void run(Object result) {
// TEST FOR LOGIC ERROR- you can not cancel() after background execution completes
try {
cancel("testing");
fail("cancel() after run should have been stopped");
} catch (Exception e) {
}
}
};
final Task task2 =
new Task(Task.FASTLANE_PRIORITY, "5") {
@Override
protected Object exec(Object in) {
cancel("testing");
return in + "6";
}
};
final Task task3 =
new Task(Task.FASTLANE_PRIORITY, "B") {
protected Object exec(Object in) {
cancel("testing");
return in + "C";
}
};
final Task task4 =
new Task(Task.FASTLANE_PRIORITY, "D") {
protected Object exec(Object in) {
cancel("testing");
return in + "E";
}
};
try {
task1a.chain(task1aChain);
task1a.fork();
Thread.sleep(300);
assertEquals("task1a was FINISHED", Task.FINISHED, task1a.getStatus());
assertEquals("task1a result was 12", "12", task1a.get());
task1b.fork().join();
assertEquals("task1b was not EXEC_FINISHED", Task.FINISHED, task1b.getStatus());
task2.fork().join();
assertEquals(
"task2 should not have been CANCELED- you can not cancel() yourself",
Task.FINISHED,
task2.getStatus());
task3.fork().join();
assertNotEquals("task4a should not have been CANCELED", Task.CANCELED, task3.getStatus());
try {
task4.fork().join();
fail("Task 4b- join() should throw ClassCastException if Task (not UITask)");
} catch (ClassCastException e) {
// Normal execution path
}
} catch (Exception ex) {
ex.printStackTrace();
fail("Can not testCancelSelf: " + ex);
}
}
// @Test
public void testJoinAll() {
System.out.println("joinAll");
final Task task1 =
new Task(Task.FASTLANE_PRIORITY, "1") {
protected Object exec(Object in) {
return (String) in + "2";
}
};
final Task task2 =
new Task(Task.FASTLANE_PRIORITY, "3") {
protected Object exec(Object in) {
return in + "4";
}
};
final Task task3 =
new Task(Task.FASTLANE_PRIORITY, "A") {
protected Object exec(Object in) {
return (String) in + "2";
}
};
final Task task4 =
new Task(Task.FASTLANE_PRIORITY, "B") {
protected Object exec(Object in) {
return in + "3";
}
};
final Task task5a =
new Task(Task.FASTLANE_PRIORITY, "fail_a") {
protected Object exec(Object in) {
this.cancel("testing");
return in + "fail";
}
};
final Task task5b =
new Task(Task.FASTLANE_PRIORITY, "fail_b") {
protected Object exec(Object in) {
this.cancel("testing");
return in + "fail";
}
};
final Task task6 =
new Task(Task.FASTLANE_PRIORITY, "slow") {
protected Object exec(Object in) {
double j = Double.MIN_VALUE;
for (int i = 0; i < 1000000; i++) {
j = j + i * 1.01;
}
return "" + j;
}
};
try {
task3.fork();
Task[] tasks = {task1, task2};
Task.joinAll(tasks, 102);
assertEquals("1234", (String) task1.get() + (String) task2.get());
Task[] moreTasks = {task3, task4};
Task.joinAll(moreTasks, 102);
assertEquals("A2B3", (String) task3.get() + (String) task4.get());
Task[] exceptionTasks1 = {task1, task2, task3, task4, task5a};
try {
Task.joinAll(exceptionTasks1, 104);
// Correct execution path
} catch (CancellationException e) {
fail("joinAll() exceptoinTasks1 should not have thrown an CancellationException, but did");
}
Task[] exceptionTasks2 = {task1, task2, task3, task4, task5b};
try {
Task.joinAll(exceptionTasks2, 105);
// Correct execution path
} catch (CancellationException e) {
fail("joinAll() exceptoinTasks2 should have thrown an CancellationException, but did not");
}
Task[] slowTasks = {task1, task6, task3};
try {
Task.joinAll(slowTasks, 9);
fail("joinAll() should have thrown a TimeoutException, but did not");
} catch (TimeoutException e) {
// Correct execution path
}
try {
Task.joinAll(null, 10);
fail("joinAll() should have thrown an IllegalArgumentException for null, but did not");
} catch (IllegalArgumentException e) {
// Correct execution path
}
try {
Task.joinAll(tasks, -1);
fail(
"joinAll() should have thrown an IllegalArgumentException for negative timeout, but did not");
} catch (IllegalArgumentException e) {
// Correct execution path
}
} catch (Exception ex) {
ex.printStackTrace();
fail("Can not joinAll: " + ex);
}
}
// @Test
public void testJoin() throws Exception {
System.out.println("join");
Task instance =
new Task(Task.FASTLANE_PRIORITY) {
protected Object exec(Object in) {
return "run";
}
};
instance.fork();
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
String result_1 = (String) instance.join(1000);
assertEquals("run", result_1);
Task instance_2 =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
return "run2";
}
};
instance_2.fork();
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
String result_2 = (String) instance_2.join(1000);
assertEquals("run2", result_2);
Task instance_3 =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
return "run3";
}
};
instance_3.fork();
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
try {
String result_3 = (String) instance_3.join(10);
fail("Should throw timeout on too-short join of running task");
} catch (Exception e) {
}
Task blocker =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
return "blocker";
}
};
Task blocker2 =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
return "blocker2";
}
};
Task instance_4 =
new Task(Task.HIGH_PRIORITY) {
protected Object exec(Object in) {
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
return "run4";
}
};
blocker.fork();
blocker2.fork();
instance_4.fork();
try {
instance_4.join(10);
fail("Should throw timeout on too-short join of queued task");
} catch (Exception e) {
}
}
// @Test
public void testChain() {
System.out.println("chain");
final Task instance =
new Task(Task.FASTLANE_PRIORITY, "1") {
protected Object exec(Object in) {
return (String) in + "2";
}
};
final Task instance2 =
new Task(Task.FASTLANE_PRIORITY, "bad") {
protected Object exec(Object in) {
return in + "3";
}
};
final Task instance3 =
new Task(Task.FASTLANE_PRIORITY, "ugly") {
protected Object exec(Object in) {
return in + "4";
}
};
final Task instanceA =
new Task(Task.FASTLANE_PRIORITY, "A") {
@Override
protected Object exec(Object in) {
return (String) in + "B";
}
};
final Task instance5 =
new Task(Task.FASTLANE_PRIORITY, "5") {
@Override
protected Object exec(Object in) {
return (String) in + "6";
}
};
final Task instance6 =
new Task(Task.FASTLANE_PRIORITY, "BAD") {
@Override
protected Object exec(Object in) {
return in + "7";
}
};
try {
instance.chain(instance2).chain(instance3);
instance.fork().join(200);
assertEquals("12", (String) instance.get());
assertEquals("123", (String) instance2.get());
assertEquals("1234", (String) instance3.get());
instanceA.chain(instance5);
instanceA.chain(null);
instanceA.chain(instance6);
instanceA.fork();
assertEquals("AB", (String) instanceA.get());
assertEquals("AB67", (String) instance6.get());
} catch (Exception ex) {
ex.printStackTrace();
fail("Can not chain: " + ex);
}
}
// @Test
public void testCancel() {
final Vector errors = new Vector();
System.out.println("cancel");
final Task testCancelRunsToEnd =
new Task(Task.FASTLANE_PRIORITY, "I AM") {
protected Object exec(Object in) {
return in + " DONE";
}
};
final Task testCancelInstance =
new Task(Task.FASTLANE_PRIORITY, "test_cancel_instance") {
protected Object exec(Object in) {
try {
Thread.sleep(400);
} catch (InterruptedException ex) {
errors.addElement(
"testCancel() Task testCancelInstance should not have been interrupted");
}
return in;
}
};
final Task testCancelInstance2 =
new Task(Task.FASTLANE_PRIORITY, "test_cancel_instance2") {
protected Object exec(Object in) {
try {
Thread.sleep(400);
errors.addElement("testCancel() Task instance2 should have been interrupted");
} catch (InterruptedException ex) {
}
return in;
}
};
final Task testCancelInstance3 =
new Task(Task.FASTLANE_PRIORITY, "test_cancel_instance3") {
protected Object exec(Object in) {
return in;
}
};
testCancelInstance.fork();
testCancelInstance2.fork();
testCancelInstance3.fork();
testCancelRunsToEnd.fork();
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
assertEquals("Cancel queued but not started task", true, testCancelInstance3.cancel("testing"));
testCancelInstance2.cancel("testing");
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
assertEquals("Soft cancel running task", false, testCancelInstance.cancel("testing"));
try {
testCancelInstance.get(); // Cleanup for next test
} catch (Exception ex) {
fail("join cleanup between tests: " + ex);
ex.printStackTrace();
}
try {
Thread.sleep(1000);
} catch (Exception e) {
}
final Task instance4 =
new Task(Task.HIGH_PRIORITY, "instance4") {
protected Object exec(Object in) {
try {
Thread.sleep(200);
errors.addElement("testCancel() Task instance4 should have been interrupted 4");
} catch (InterruptedException ex) {
}
return in;
}
};
final Task instance5 =
new Task(Task.HIGH_PRIORITY, "instance5") {
@Override
protected Object exec(Object in) {
try {
instance4.join(400);
errors.addElement("Should have canceled doInBackground 5");
} catch (CancellationException ex) {
} catch (Exception ex) {
errors.addElement("Exception on doInBackground cancel: " + ex);
}
return in;
}
};
instance4.fork();
instance5.fork();
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
instance4.cancel("testing");
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
try {
assertEquals("I AM DONE", testCancelRunsToEnd.get());
assertEquals(false, testCancelRunsToEnd.cancel("testing"));
for (int i = 0; i < errors.size(); i++) {
fail((String) errors.elementAt(i));
}
} catch (Exception e) {
fail("Problem in testCancel: " + e);
}
}