  @Test
  public void isAngleAcceptableTest() {

    gestureDetector.pointerIdList.add(0);
    gestureDetector.pointerIdList.add(1);
    gestureDetector.pointersDistanceMap.put(
      new PointerDistancePair(0, 1),
      new MultiFingerDistancesObject(300, 0, 275, 15)
    );
    assertTrue(gestureDetector.isAngleAcceptable());

    gestureDetector.pointerIdList.clear();
    gestureDetector.pointersDistanceMap.clear();
    gestureDetector.pointerIdList.add(0);
    gestureDetector.pointerIdList.add(1);
    gestureDetector.pointersDistanceMap.put(
      new PointerDistancePair(0, 1),
      new MultiFingerDistancesObject(300, 0, 275, 150)
    );
    assertFalse(gestureDetector.isAngleAcceptable());
  }