def test_yOrder_withEqualYCoordinatePoints_shouldReturnZero(self):
for i in range(500):
y = random.uniform(0, 1000)
a = Point2D( 1, y)
b = Point2D(-1, y)
self.assertEqual(0, Point2D.y_order(a, b))
self.assertEqual(0, Point2D.y_order(b, a))
def test_yOrder_withNotEqualYCoordinatePoints_shouldReturnCorrectComparatorResult(self):
for i in range(500):
ya = random.uniform(0, 1000)
yb = random.uniform(-1000, -1)
a = Point2D( 1, ya)
b = Point2D(-1, yb)
self.assertEqual( 1, Point2D.y_order(a, b))
self.assertEqual(-1, Point2D.y_order(b, a))