class V:
other_typ = T.Int16.transform(lambda _, v: v + 5, lambda _, v: v - 5)
two_typ = T.String(20 * 8).allow_callable()
thing_typ = T.Reserved(lambda p: p.other * 8)
@hp.memoized_property
def G1(s):
class G1(dictobj.PacketSpec):
fields = [("other", s.other_typ), ("thing", s.thing_typ)]
return G1
@hp.memoized_property
def P(s):
class P(dictobj.PacketSpec):
fields = [("one", T.Bool), ("two", s.two_typ), ("g1", s.G1)]
return P
group = mock.Mock(name="group")
info = FieldInfo(name, typ, val, size_bits, group)
assert info.name is name
assert info.typ is typ
assert info.val is val
assert info.size_bits is size_bits
assert info.group is group
describe "value":
it "returns value as is", info, val:
assert info.value is val
it "returns value as 0 bits if our typ is Reserved and val is NotSpecified", info:
info.typ = T.Reserved(8)
info.size_bits = 8
info.val = sb.NotSpecified
assert info.value == bitarray("0" * 8)
it "returns value as is if typ is Reserved but value is not NotSpecified", info, val:
info.typ = T.Reserved(8)
assert info.value == val
describe "to_sized_bitarray":
it "removes from the right if no left_cut", info:
info.typ.left_cut = False
info.size_bits = 3
to_bitarray = mock.Mock(name="to_bitarray")
to_bitarray.return_value = bitarray("110000", endian="little")
