def test_is_quantified_unit():
assert is_quantified_unit(1) is False
assert is_quantified_unit(1.1) is False
assert is_quantified_unit(Decimal(1.1)) is False
assert is_quantified_unit(Decimal("1.1")) is False
assert is_quantified_unit("1.1") is False
px, em = Unit.many("px em")
assert is_quantified_unit(px(3)) is True
assert is_quantified_unit(px(3) * 3) is True
assert is_quantified_unit(px(3) * 3 + px(2)) is True
assert is_quantified_unit(px(3) * 3 + em(2)) is False
def test_is_number():
assert is_number(1) is True
assert is_number(1.1) is True
assert is_number(Decimal(1.1)) is True
assert is_number(Decimal("1.1")) is True
assert is_number("1.1") is False
px, em = Unit.many("px em")
assert is_number(px(3)) is False
assert is_number(px(3) * 3) is False
assert is_number(px(3) * 3 + px(2)) is False
assert is_number(px(3) * 3 + em(2)) is False
def test_is_addition_part():
assert is_addition_part(1) is False
assert is_addition_part(1.1) is False
assert is_addition_part(Decimal(1.1)) is False
assert is_addition_part(Decimal("1.1")) is False
assert is_addition_part("1.1") is False
px, em = Unit.many("px em")
assert is_addition_part(px(3)) is True
assert is_addition_part(px(3) * 3) is True
assert is_addition_part(px(3) * 3 + px(2)) is True
assert is_addition_part(px(3) * 3 + em(2)) is True
def test_var_many():
aa, bb = Var.many("aa bb")
assert aa == "aa"
assert isinstance(aa, Var)
assert bb == "bb"
assert isinstance(bb, Var)
cc, dd = Var.many("cc", "dd")
assert cc == "cc"
assert isinstance(cc, Var)
assert dd == "dd"
assert isinstance(dd, Var)
ee, ff = Unit.many("ee", "ff")
assert ee == "ee"
assert isinstance(ee, Unit)
assert ff == "ff"
assert isinstance(ff, Unit)