def test_explicit_field_override(self):
field_proto = BitField(16, ULInt16(),
b1=BitBool(),
b2=BitBool(),
remaining=BitNum(14))
inst = field_proto.create_instance(None)
inst.b1 = True
inst.b2 = False
inst.remaining = 0x1EF
sio = six.BytesIO()
inst.pack(sio)
# should be packed in little endian form
self.assertEqual(sio.getvalue(), b"\xef\x81")
inst2 = field_proto.create_instance(None)
inst2.unpack(b"\xef\x81")
self.assertEqual(inst.b1, inst2.b1)
self.assertEqual(inst.b2, inst2.b2)
self.assertEqual(inst.remaining, inst2.remaining)
def test_explicit_field_override(self):
field_proto = BitField(16,
ULInt16(),
b1=BitBool(),
b2=BitBool(),
remaining=BitNum(14))
inst = field_proto.create_instance(None)
inst.b1 = True
inst.b2 = False
inst.remaining = 0x1EF
sio = six.BytesIO()
inst.pack(sio)
# should be packed in little endian form
self.assertEqual(sio.getvalue(), b"\xef\x81")
inst2 = field_proto.create_instance(None)
inst2.unpack(b"\xef\x81")
self.assertEqual(inst.b1, inst2.b1)
self.assertEqual(inst.b2, inst2.b2)
self.assertEqual(inst.remaining, inst2.remaining)
def test_packing(self):
field_proto = BitField(16,
nib1=BitNum(4),
nib2=BitNum(4),
nib3=BitNum(4),
nib4=BitNum(4),
)
field = field_proto.create_instance(None)
field.nib1 = 1
field.nib2 = 2
field.nib3 = 3
field.nib4 = 4
field2 = field_proto.create_instance(None)
sio = six.BytesIO()
field.pack(sio)
field2.unpack(sio.getvalue())
self.assertEqual(field2.nib1, 1)
self.assertEqual(field2.nib2, 2)
self.assertEqual(field2.nib3, 3)
self.assertEqual(field2.nib4, 4)
def test_packing(self):
field_proto = BitField(
16,
nib1=BitNum(4),
nib2=BitNum(4),
nib3=BitNum(4),
nib4=BitNum(4),
)
field = field_proto.create_instance(None)
field.nib1 = 1
field.nib2 = 2
field.nib3 = 3
field.nib4 = 4
field2 = field_proto.create_instance(None)
sio = six.BytesIO()
field.pack(sio)
field2.unpack(sio.getvalue())
self.assertEqual(field2.nib1, 1)
self.assertEqual(field2.nib2, 2)
self.assertEqual(field2.nib3, 3)
self.assertEqual(field2.nib4, 4)
