return "com.google.gwt.touch.Touch";
}
public void testCalculateEndVlocity() {
// Two points at the same time should return null.
TemporalPoint from = new TemporalPoint(new Point(100.0, 200.0), 0);
TemporalPoint sameTime = new TemporalPoint(new Point(100.0, 100.0), 0);
assertNull(scroller.calculateEndVelocity(from, sameTime));
// Two different points should return a velocity.
TemporalPoint to = new TemporalPoint(new Point(250.0, 150.0), 25);
assertEquals(new Point(-6.0, 2.0), scroller.calculateEndVelocity(from, to));
}