def test_two_ropes_no_intersections(self):
ropes = [(2, 2), (3, 5)]
self.assertEquals(0, calculate_intersections(ropes))
def test_three_ropes_two_intersections(self):
ropes = [(1, 10), (5, 5), (7, 7)]
self.assertEquals(2, calculate_intersections(ropes))
def test_one_rope_no_intersections(self):
ropes = [(1, 3)]
self.assertEquals(0, calculate_intersections(ropes))
def test_two_ropes_one_intersection(self):
ropes = [(1, 2), (2, 1)]
self.assertEquals(1, calculate_intersections(ropes))
def test_another_two_ropes_one_intersection(self):
ropes = [(2, 10), (3, 1)]
self.assertEquals(1, calculate_intersections(ropes))
def test_two_ropes_no_intersections(self):
ropes = [[2, 2], [3, 5]]
self.assertEquals(0, calculate_intersections(ropes))
def test_three_ropes_no_intersections(self):
ropes = [(1, 1), (2, 3), (4, 5)]
self.assertEquals(0, calculate_intersections(ropes))
def test_one_rope_no_intersections(self):
ropes = [[1, 3]]
self.assertEquals(0, calculate_intersections(ropes))
def test_three_ropes_two_intersections(self):
ropes = [[1, 10], [5, 5], [7, 7]]
self.assertEquals(2, calculate_intersections(ropes))
def test_another_two_ropes_one_intersection(self):
ropes = [[2, 10], [3, 1]]
self.assertEquals(1, calculate_intersections(ropes))
def test_two_ropes_one_intersection(self):
ropes = [[1, 2], [2, 1]]
self.assertEquals(1, calculate_intersections(ropes))
def test_three_ropes_no_intersections(self):
ropes = [[1, 1], [2, 3], [4, 5]]
self.assertEquals(0, calculate_intersections(ropes))
