// remove task-ending chunk, past task deadline, s.b. Timeout error.
  public void testRemoveChunkTaskEndTimeout() {
    final List finished = new ArrayList();
    StepTask t1 =
        task(
            100,
            200,
            100,
            new TaskCallback() {
              public void taskEvent(SchedulableTask task, Schedule.EventType event) {
                if (log.isDebug2()) {
                  log.debug2("testRemoveChunkTaskEndTimeout callback");
                }
                if (event == Schedule.EventType.FINISH) {
                  finished.add(task);
                }
              }
            });
    Schedule s = sched(ListUtil.list(t1));
    fact.setResult(s);
    assertTrue(tr.addToSchedule(t1));

    Schedule.Chunk chunk = (Schedule.Chunk) s.getEvents().get(0);
    assertTrue(tr.getCurrentSchedule().getEvents().contains(chunk));
    chunk.setTaskEnd();
    TimeBase.setSimulated(201);
    tr.removeChunk(chunk);
    assertFalse(tr.getCurrentSchedule().getEvents().contains(chunk));
    assertSame(t1, finished.get(0));
    assertNotNull(t1.e);
    assertTrue(t1.e.toString(), t1.e instanceof SchedService.Timeout);
    assertEmpty(tr.getAcceptedTasks());
  }
  // remove overrunnable task-ending chunk, before deadline,
  public void testRemoveChunkTaskEndOver() {
    final List finished = new ArrayList();
    StepTask t1 =
        task(
            100,
            200,
            100,
            new TaskCallback() {
              public void taskEvent(SchedulableTask task, Schedule.EventType event) {
                if (log.isDebug2()) {
                  log.debug2("testRemoveChunkTaskEndOver callback");
                }
                if (event == Schedule.EventType.FINISH) {
                  finished.add(task);
                }
              }
            });
    t1.setOverrunAllowed(true);
    Schedule s = sched(ListUtil.list(t1));
    fact.setResult(s);
    assertTrue(tr.addToSchedule(t1));

    Schedule.Chunk chunk = (Schedule.Chunk) s.getEvents().get(0);
    assertTrue(tr.getCurrentSchedule().getEvents().contains(chunk));
    chunk.setTaskEnd();
    tr.removeChunk(chunk);
    assertFalse(tr.getCurrentSchedule().getEvents().contains(chunk));
    assertEmpty(finished);
    assertIsomorphic(ListUtil.list(t1), tr.getAcceptedTasks());
    assertIsomorphic(SetUtil.set(t1), tr.getOverrunTasks());
  }
  public void testRemoveChunk() {
    StepTask t1 = task(100, 200, 100);
    Schedule s = sched(ListUtil.list(t1));
    fact.setResult(s);
    assertTrue(tr.addToSchedule(t1));
    assertIsomorphic(ListUtil.list(t1), tr.getAcceptedTasks());

    Schedule.Chunk chunk = (Schedule.Chunk) s.getEvents().get(0);
    assertTrue(tr.getCurrentSchedule().getEvents().contains(chunk));
    tr.removeChunk(chunk);
    assertFalse(tr.getCurrentSchedule().getEvents().contains(chunk));
  }
  // one task to drop, two failed schedule tries
  public void testAddToScheduleFailNoCleanup() {
    ConfigurationUtil.addFromArgs(
        TaskRunner.PARAM_DROP_TASK_MAX, "10", TaskRunner.PARAM_MIN_CLEANUP_INTERVAL, "0");
    StepTask t1 = task(100, 200, 50);
    StepTask t2 = task(100, 200, 100);
    Schedule sched = sched(ListUtil.list(t1));
    fact.setResult(sched);
    assertTrue(tr.addToSchedule(t1));
    assertIsomorphic(ListUtil.list(t1), fact.scheduler.tasks);
    assertEquals(SetUtil.set(t1), SetUtil.theSet(tr.getAcceptedTasks()));
    assertForegroundStat(1, TaskRunner.STAT_ACCEPTED);
    assertForegroundStat(0, TaskRunner.STAT_REFUSED);
    assertForegroundStat(1, TaskRunner.STAT_WAITING);
    assertForegroundStat(0, TaskRunner.STAT_DROPPED);

    assertFalse(tr.addToSchedule(t2));
    assertEquals(
        ListUtil.list(ListUtil.list(t1), ListUtil.list(t1, t2), ListUtil.list(t1)),
        fact.createArgs);
    assertEquals(SetUtil.set(t1), SetUtil.theSet(fact.scheduler.tasks));
    assertEquals(sched, tr.getCurrentSchedule());
    assertEquals(SetUtil.set(t1), SetUtil.theSet(tr.getAcceptedTasks()));
    assertForegroundStat(1, TaskRunner.STAT_ACCEPTED);
    assertForegroundStat(1, TaskRunner.STAT_REFUSED);
    assertForegroundStat(1, TaskRunner.STAT_WAITING);
    assertForegroundStat(0, TaskRunner.STAT_DROPPED);
  }
 // ensure addToSchedule updates structures if (Mock)Scheduler returns true
 public void testAddToScheduleOk() {
   StepTask t1 = task(100, 200, 50);
   StepTask t2 = task(100, 200, 100);
   Schedule sched = sched(ListUtil.list(t1, t2));
   fact.setResult(sched);
   assertTrue(tr.addToSchedule(t1));
   assertIsomorphic(ListUtil.list(t1), fact.scheduler.tasks);
   assertForegroundStat(1, TaskRunner.STAT_ACCEPTED);
   assertForegroundStat(0, TaskRunner.STAT_REFUSED);
   fact.setResult(sched);
   assertTrue(tr.addToSchedule(t2));
   assertEquals(SetUtil.set(t1, t2), SetUtil.theSet(fact.scheduler.tasks));
   assertEquals(sched, tr.getCurrentSchedule());
   assertEquals(SetUtil.set(t1, t2), SetUtil.theSet(tr.getAcceptedTasks()));
   assertForegroundStat(2, TaskRunner.STAT_ACCEPTED);
   assertForegroundStat(2, TaskRunner.STAT_WAITING);
   assertForegroundStat(0, TaskRunner.STAT_REFUSED);
 }
  // one task to drop, succeeds after dropping it
  public void testAddToScheduleOkAfterDrops() {
    log.debug("testAddToScheduleOkAfterDrops()");
    ConfigurationUtil.addFromArgs(
        TaskRunner.PARAM_DROP_TASK_MAX, "10", TaskRunner.PARAM_MIN_CLEANUP_INTERVAL, "0");
    StepTask t1 = task(100, 200, 50);
    StepTask t2 = task(100, 200, 100);
    Schedule sched1 = sched(ListUtil.list(t1));
    Schedule sched2 = sched(ListUtil.list(t2));
    fact.setResults(ListUtil.list(sched1, null, null, sched2, sched2));
    TimeBase.step(101);
    assertTrue(tr.addToSchedule(t1));
    assertIsomorphic(ListUtil.list(t1), fact.scheduler.tasks);
    assertEquals(SetUtil.set(t1), SetUtil.theSet(tr.getAcceptedTasks()));
    assertForegroundStat(1, TaskRunner.STAT_ACCEPTED);
    assertForegroundStat(0, TaskRunner.STAT_REFUSED);
    assertForegroundStat(1, TaskRunner.STAT_WAITING);
    assertForegroundStat(0, TaskRunner.STAT_DROPPED);

    assertTrue(tr.addToSchedule(t2));
    assertEquals(
        ListUtil.list(
            ListUtil.list(t1),
            ListUtil.list(t1, t2),
            ListUtil.list(t1),
            Collections.EMPTY_SET,
            ListUtil.list(t1, t2)),
        fact.createArgs);
    assertEquals(SetUtil.set(t1, t2), SetUtil.theSet(fact.scheduler.tasks));
    assertTrue(t1.isDropped());
    assertEquals(sched2, tr.getCurrentSchedule());
    assertEquals(SetUtil.set(t1, t2), SetUtil.theSet(tr.getAcceptedTasks()));
    assertEquals(SetUtil.set(t1), SetUtil.theSet(tr.getOverrunTasks()));
    assertForegroundStat(2, TaskRunner.STAT_ACCEPTED);
    assertForegroundStat(0, TaskRunner.STAT_REFUSED);
    assertForegroundStat(1, TaskRunner.STAT_WAITING);
    assertForegroundStat(1, TaskRunner.STAT_DROPPED);

    t2.cancel();
    assertForegroundStat(2, TaskRunner.STAT_ACCEPTED);
    assertForegroundStat(0, TaskRunner.STAT_REFUSED);
    assertForegroundStat(0, TaskRunner.STAT_WAITING);
    assertForegroundStat(1, TaskRunner.STAT_DROPPED);
    assertForegroundStat(1, TaskRunner.STAT_CANCELLED);
  }
  // one task not ready to start yet, so not droppable
  public void testAddToScheduleFailNoDroppable() {
    log.debug("testAddToScheduleOkAfterDrops()");
    ConfigurationUtil.addFromArgs(
        TaskRunner.PARAM_DROP_TASK_MAX, "10", TaskRunner.PARAM_MIN_CLEANUP_INTERVAL, "0");
    StepTask t1 = task(100, 200, 50);
    StepTask t2 = task(100, 200, 100);
    Schedule sched1 = sched(ListUtil.list(t1));
    Schedule sched2 = sched(ListUtil.list(t2));
    fact.setResults(ListUtil.list(sched1, null, null, sched2, sched2));
    assertTrue(tr.addToSchedule(t1));
    assertIsomorphic(ListUtil.list(t1), fact.scheduler.tasks);
    assertEquals(SetUtil.set(t1), SetUtil.theSet(tr.getAcceptedTasks()));

    assertFalse(tr.addToSchedule(t2));
    assertEquals(
        ListUtil.list(ListUtil.list(t1), ListUtil.list(t1, t2), ListUtil.list(t1)),
        fact.createArgs);
    assertEquals(SetUtil.set(t1), SetUtil.theSet(fact.scheduler.tasks));
    assertFalse(t1.isDropped());
    assertEquals(sched1, tr.getCurrentSchedule());
    assertEquals(SetUtil.set(t1), SetUtil.theSet(tr.getAcceptedTasks()));
    assertEmpty(SetUtil.theSet(tr.getOverrunTasks()));
  }