def METHOD_NAME(self):
    """
    Test the number of focus points when the given area changes
    """
    # 4x4 focus points when given area is a square
    max_dis = 1e-06
    area_coords = (0,  0, 3.9e-06,  3.9e-06)
    focus_points = generate_triangulation_points(max_dis, area_coords)
    self.assertEqual(len(focus_points), 16)
    self.assertEqual(len(focus_points[0]), 2)  # (x,y)
    # 4x3 focus points when the given area is a rectangle
    max_dis = 1e-06  #
    area_coords = (0,  0, 3.9e-06,  2.9e-06)
    focus_points = generate_triangulation_points(max_dis, area_coords)
    self.assertEqual(len(focus_points), 12)
    self.assertEqual(len(focus_points[0]), 2)  # (x,y)