public boolean equals(Object obj) {
if (obj instanceof BERec) {
BERec o = (BERec) obj;
return when.equals(o.when) && task.equals(o.task) && event == o.event;
}
return false;
}
// make a BackgroundEvent for the task
Schedule.BackgroundEvent bEvent(BackgroundTask task, Schedule.EventType event) {
return new Schedule.BackgroundEvent(
task, (event == Schedule.EventType.START ? task.getStart() : task.getFinish()), event);
}
public void testBackground() {
final List rec = new ArrayList();
TaskCallback cb =
new TaskCallback() {
public void taskEvent(SchedulableTask task, Schedule.EventType event) {
rec.add(new BERec(Deadline.in(0), (BackgroundTask) task, event));
}
};
assertFalse(tr.findTaskToRun());
BackgroundTask t1 = btask(100, 200, .1, cb);
BackgroundTask t2 = btask(100, 300, .2, cb);
BackgroundTask t3 = btask(150, 200, .4, cb);
Schedule s =
sched(
ListUtil.list(
bEvent(t1, Schedule.EventType.START),
bEvent(t2, Schedule.EventType.START),
bEvent(t3, Schedule.EventType.START),
bEvent(t1, Schedule.EventType.FINISH),
bEvent(t3, Schedule.EventType.FINISH),
bEvent(t2, Schedule.EventType.FINISH)));
fact.setResults(ListUtil.list(s, s, s));
assertTrue(tr.addToSchedule(t1));
assertTrue(tr.addToSchedule(t2));
assertTrue(tr.addToSchedule(t3));
assertEquals(3, tr.getAcceptedTasks().size());
assertIsomorphic(ListUtil.list(t1, t2, t3), tr.getAcceptedTasks());
assertFalse(tr.findTaskToRun());
assertEquals(0, rec.size());
assertEquals(0, tr.getBackgroundLoadFactor(), .005);
assertEquals(Deadline.at(100), tr.runningDeadline);
TimeBase.setSimulated(101);
assertFalse(tr.findTaskToRun());
assertEquals(2, rec.size());
assertEquals(.3, tr.getBackgroundLoadFactor(), .005);
TimeBase.setSimulated(151);
assertFalse(tr.findTaskToRun());
assertEquals(3, rec.size());
assertEquals(.7, tr.getBackgroundLoadFactor(), .005);
assertEquals(3, tr.getAcceptedTasks().size());
TimeBase.setSimulated(201);
assertFalse(tr.findTaskToRun());
assertEquals(5, rec.size());
assertEquals(.2, tr.getBackgroundLoadFactor(), .005);
assertEquals(1, tr.getAcceptedTasks().size());
t2.taskIsFinished();
TimeBase.setSimulated(202);
assertFalse(tr.findTaskToRun());
assertEquals(6, rec.size());
assertEquals(0, tr.getBackgroundLoadFactor(), .005);
assertEquals(0, tr.getAcceptedTasks().size());
TimeBase.setSimulated(301);
assertFalse(tr.findTaskToRun());
assertEquals(6, rec.size());
assertEquals(0, tr.getBackgroundLoadFactor(), .005);
List exp =
ListUtil.list(
new BERec(101, t1, Schedule.EventType.START),
new BERec(101, t2, Schedule.EventType.START),
new BERec(151, t3, Schedule.EventType.START),
new BERec(201, t1, Schedule.EventType.FINISH),
new BERec(201, t3, Schedule.EventType.FINISH),
new BERec(201, t2, Schedule.EventType.FINISH));
assertEquals(exp, rec);
}
