def test_orientation_2(self):
"""
Base case: simple counterclockwise triangle.
"""
line = Line(0, 0, 1, 0)
p = np.array([3, 2])
output = compute_orientation_points(line, p)
self.assertEqual(Orientation.COUNTERCLOCKWISE, output)
def test_orientation_1(self):
"""
Base case: simple clockwise triangle.
"""
line = Line(0, 0, 1, 1)
p = np.array([2, 0])
output = compute_orientation_points(line, p)
self.assertEqual(Orientation.CLOCKWISE, output)
def test_orientation_8(self):
"""
Corner case: counterclockwise, 2 points same x-val.
"""
line = Line(1, 1, 1, 2)
p = np.array([0, 2])
output = compute_orientation_points(line, p)
self.assertEqual(Orientation.COUNTERCLOCKWISE, output)
def test_orientation_6(self):
"""
Base case: right-angle counterclockwise triangle.
"""
line = Line(1, 1, 2, 1)
p = np.array([2, 2])
output = compute_orientation_points(line, p)
self.assertEqual(Orientation.COUNTERCLOCKWISE, output)
def test_orientation_5(self):
"""
Base case: wide-angle clockwise triangle.
"""
line = Line(1, 1, 2, 1)
p = np.array([3, 0])
output = compute_orientation_points(line, p)
self.assertEqual(Orientation.CLOCKWISE, output)
def test_orientation_3(self):
"""
Base case: simple collinear line.
"""
line = Line(0, 0, 5, 5)
p = np.array([2, 2])
output = compute_orientation_points(line, p)
self.assertEqual(Orientation.COLLINEAR, output)