public void testIsStale_WhenTargetIsStale() {
assertFalse(target.isStale());
assertFalse(delayed.isStale());
target.fireStale();
assertTrue(target.isStale());
assertTrue(delayed.isStale());
}
public void testIsStale_DuringDelay() {
assertFalse(target.isStale());
assertFalse(delayed.isStale());
target.setValue(newValue);
assertFalse(target.isStale());
assertTrue(delayed.isStale());
}
private void assertFiresPendingValueChange(Runnable runnable) {
ValueChangeEventTracker tracker = ValueChangeEventTracker.observe(delayed);
target.setValue(newValue);
assertTrue(delayed.isStale());
assertEquals(0, tracker.count);
runnable.run();
assertFalse(delayed.isStale());
assertEquals(1, tracker.count);
assertEquals(oldValue, tracker.event.diff.getOldValue());
assertEquals(newValue, tracker.event.diff.getNewValue());
}