def testEmptyScalar():
scalar = Scalar.CreateEmptyScalar()
assert not scalar.HasCategory()
assert scalar == scalar.Copy()
scalar = scalar.CreateCopy(category="pressure", unit="psi")
assert scalar.HasCategory()
assert scalar.GetValue() == 0.0
assert scalar == scalar.Copy()
def testEmptyScalar():
"""
ScalarMultiData exception when some of its scalars don't have a quantity_type
"""
# An empty scalar doesn't have a category defined
scalar_1 = Scalar.CreateEmptyScalar(20.0)
# When try to retrieve scalar value or unit a exception was being raised
assert scalar_1.GetValue("m") == 20.
assert scalar_1.GetUnit() == ""
