def test_isobarycenter3D():
"""Check isobarycenter for 3D Polygons."""
p = Polygon(Point(0, 0, 0), Point(0, 1, 0), Point(0, 1, 1), Point(0, 0, 1))
assert p.isobarycenter() == Point(0, 0.5, 0.5)
def test_isobarycenter2D(pointO, pointA, pointB, pointC):
"""Check isobarycenter for 2D Polygons."""
p = Polygon(pointO, pointA, pointB, pointC)
assert p.isobarycenter() == Point(2, Number('1.25'))