def test_intersection_area(self):
"""Tests getting the intersection area of two intersecting rectangles"""
# Arrange
r1 = Rect(min_x=0, min_y=0, max_x=4, max_y=4)
r2 = Rect(min_x=2, min_y=2, max_x=5, max_y=5)
# Act
area = r1.get_intersection_area(r2)
# Assert
self.assertEqual(4, area)
def test_intersection_area_disjoint_y_overlap(self):
"""
Tests getting the intersection area of two disjoint rectangles where there is overlap in the y-dimension but not
in the x-dimension.
"""
# Arrange
r1 = Rect(min_x=0, min_y=0, max_x=2, max_y=4)
r2 = Rect(min_x=2, min_y=2, max_x=3, max_y=3)
# Act
area = r1.get_intersection_area(r2)
# Assert
self.assertEqual(0, area)
def test_intersection_area_disjoint(self):
"""
Tests getting the intersection area of two completely disjoint (non-intersecting) rectangles with no overlap in
either dimension.
"""
# Arrange
r1 = Rect(min_x=0, min_y=0, max_x=3, max_y=3)
r2 = Rect(min_x=5, min_y=5, max_x=8, max_y=8)
# Act
area = r1.get_intersection_area(r2)
# Assert
self.assertEqual(0, area)