def test_polyline_area3():
a = 1000
pl = PolyLine([(1 + a, 2 + a), (11 + a, 2 + a), (10 + a, 0 + a),
(0 + a, 0 + a)],
copy_data=True)
assert pl.get_area() == approx(20)
def test_polyline_area5():
pl = PolyLine([(1, 1), (2, 1), (1, 3)], copy_data=True)
assert pl.get_area() == approx(1)
def test_polyline_area2():
pl = PolyLine([(1, 2), (11, 2), (10, 0), (0, 0)], copy_data=True)
assert pl.get_area() == approx(20)