def test_denormalized_as_denormalized():
bbox = BBox.from_xywh(5, 10, 20, 50)
assert bbox.as_denormalized(100, 100) is bbox
def test_denormalized_as_normalized():
bbox = BBox.from_xywh(5, 10, 20, 50)
normalized = bbox.as_normalized(100, 100)
assert isinstance(normalized, NormalizedBBox)
assert normalized == bbox.normalize(100, 100)
def test_class_constructor():
bbox = BBox.from_xywh(1, 1, 5, 5)
assert isinstance(bbox, BBox)
bbox = NormalizedBBox.from_xywh(0.1, 0.1, 0.5, 0.5)
assert isinstance(bbox, NormalizedBBox)
def test_rescale_at_center():
bbox = BBox.from_xywh(100, 200, 50, 100)
assert bbox.rescale_at_center(2).xywh() == (75, 150, 100, 200)
def test_from_xywh():
bbox = BBox.from_xywh(5, 6, 10, 30)
assert bbox.xmin == 5
assert bbox.xmax == 15
assert bbox.ymin == 6
assert bbox.ymax == 36