def test_to_1(): a = PhysicalQuantity(4000, 'mm/s') assert a.to('m/s') == a
def test_prefix_attributes(): d = PhysicalQuantity(1, 'm') assert d.to('mm') == d.mm
def test_to(): a = PhysicalQuantity(1, 'm') b = PhysicalQuantity(1000, 'mm') assert a.to('mm') == b