def test_typical_case(self):
from construction import RectangularRegion
region = RectangularRegion(x=20, y=30, width=50, height=40)
subregion = region.right_subregion(40)
self.assertEqual(subregion.x, 40)
self.assertEqual(subregion.width, 30)
self.assertEqual(subregion.y, 30)
self.assertEqual(subregion.height, 40)
def test_subregion_above_gives_whole_region(self):
from construction import RectangularRegion
region = RectangularRegion(x=20, y=30, width=50, height=40)
subregion = region.subregion_above(y=150)
self.assertEqual(subregion.x, 20)
self.assertEqual(subregion.width, 50)
self.assertEqual(subregion.y, 30)
self.assertEqual(subregion.height, 40)
def test_subregion_below_produces_zero_area_region(self):
from construction import RectangularRegion
region = RectangularRegion(x=20, y=30, width=50, height=40)
subregion = region.subregion_below(y=100)
self.assertEqual(subregion.x, 20)
self.assertEqual(subregion.width, 50)
self.assertEqual(subregion.y, 70)
self.assertEqual(subregion.height, 0)
def test_subregion_below_normal_case(self):
from construction import RectangularRegion
region = RectangularRegion(x=20, y=30, width=50, height=40)
subregion = region.subregion_below(y=40)
self.assertEqual(subregion.x, 20)
self.assertEqual(subregion.width, 50)
self.assertEqual(subregion.y, 40)
self.assertEqual(subregion.height, 30)
def test_subregion_formed_outside_original_area(self):
from construction import RectangularRegion
region = RectangularRegion(x=20, y=30, width=50, height=40)
region.left_subregion(-10).subregion_below(400)