def test_coincident_horizontal_lines_are_coincident(self):
l1 = Line(Vector([0, 1]), 1)
l2 = Line(Vector([0, 5]), 5)
self.assertTrue(l1.coincidentTo(l2))
def test_non_coincident_lines_are_not_coincident(self):
l1 = Line(Vector([1, 1]), 1)
l2 = Line(Vector([1, 1]), 2)
self.assertFalse(l1.coincidentTo(l2))
self.assertFalse(l2.coincidentTo(l1))
def test_coincident_vertical_lines_are_coincident(self):
l1 = Line(Vector([1, 0]), 1)
l2 = Line(Vector([5, 0]), 5)
self.assertTrue(l1.coincidentTo(l2))
def test_coincident_lines_are_coincident(self):
l1 = Line(Vector([1, 1]), 1)
l2 = Line(Vector([-3, -3]), -3)
self.assertTrue(l1.coincidentTo(l2))
self.assertTrue(l2.coincidentTo(l1))
def test_coincident_horizontal_lines_are_coincident(self):
l1 = Line(Vector([0,1]), 1)
l2 = Line(Vector([0,5]), 5)
self.assertTrue(l1.coincidentTo(l2))
def test_coincident_vertical_lines_are_coincident(self):
l1 = Line(Vector([1,0]), 1)
l2 = Line(Vector([5,0]), 5)
self.assertTrue(l1.coincidentTo(l2))
def test_non_coincident_lines_are_not_coincident(self):
l1 = Line(Vector([1,1]), 1)
l2 = Line(Vector([1,1]), 2)
self.assertFalse(l1.coincidentTo(l2))
self.assertFalse(l2.coincidentTo(l1))
def test_coincident_lines_are_coincident(self):
l1 = Line(Vector([1,1]), 1)
l2 = Line(Vector([-3,-3]), -3)
self.assertTrue(l1.coincidentTo(l2))
self.assertTrue(l2.coincidentTo(l1))