public void testIsStale_DuringDelay() {
assertFalse(target.isStale());
assertFalse(delayed.isStale());
target.setValue(newValue);
assertFalse(target.isStale());
assertTrue(delayed.isStale());
}
public void testSetValue_PropagatesToTarget() {
assertEquals(oldValue, delayed.getValue());
assertEquals(oldValue, target.getValue());
delayed.setValue(newValue);
assertEquals(newValue, target.getValue());
assertEquals(newValue, delayed.getValue());
}
public void testIsStale_WhenTargetIsStale() {
assertFalse(target.isStale());
assertFalse(delayed.isStale());
target.fireStale();
assertTrue(target.isStale());
assertTrue(delayed.isStale());
}
public void testSetValue_CachesGetValueFromTarget() {
Object overrideValue = target.overrideValue = new Object();
assertEquals(oldValue, delayed.getValue());
assertEquals(oldValue, target.getValue());
delayed.setValue(newValue);
assertEquals(overrideValue, target.getValue());
assertEquals(overrideValue, delayed.getValue());
}
@Override
protected void setUp() throws Exception {
super.setUp();
target = new ObservableValueStub(Realm.getDefault());
oldValue = new Object();
newValue = new Object();
target.setValue(oldValue);
delayed = Observables.observeDelayedValue(1, target);
}
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());
}
public void testGetValueType_SameAsTarget() {
assertEquals(target.getValueType(), delayed.getValueType());
}
@Override
protected void tearDown() throws Exception {
target.dispose();
target = null;
super.tearDown();
}