// @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 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 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);
}
}
// @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);
}
}
// @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);
}
}
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 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);
}
}