def test_max_field_value(self):
"""Use all bits of oxm_field."""
self.tlv.oxm_class = OxmClass.OFPXMC_EXPERIMENTER
self.tlv.oxm_field = 127
unpacked = OxmTLV()
unpacked.unpack(self.tlv.pack())
self.assertEqual(self.tlv, unpacked)
def test_max_field_value(self):
"""Use all bits of oxm_field."""
self.tlv.oxm_class = OxmClass.OFPXMC_EXPERIMENTER
self.tlv.oxm_field = 127
unpacked = OxmTLV()
unpacked.unpack(self.tlv.pack())
self.assertEqual(self.tlv, unpacked)
def test_unpack_invalid_field(self):
"""Raise UnpackException if field is invalid for a class.
Example: field 42 is invalid for oxm_class OFPXMC_OPENFLOW_BASIC.
"""
field42 = b'\x80\x00T\x00'
tlv = OxmTLV()
with self.assertRaises(UnpackException):
tlv.unpack(field42)
def test_unpack_invalid_field(self):
"""Raise UnpackException if field is invalid for a class.
Example: field 42 is invalid for oxm_class OFPXMC_OPENFLOW_BASIC.
"""
field42 = b'\x80\x00T\x00'
tlv = OxmTLV()
with self.assertRaises(UnpackException):
tlv.unpack(field42)
def _create_from_pack(self):
"""Return a new instance by unpacking self.tlv.pack()."""
unpacked = OxmTLV()
unpacked.unpack(self.tlv.pack())
return unpacked
def _create_from_pack(self):
"""Return a new instance by unpacking self.tlv.pack()."""
unpacked = OxmTLV()
unpacked.unpack(self.tlv.pack())
return unpacked
