def Byte(value=None):
'''
Match or read a byte (if a value is given, it must match).
'''
if value is None:
return BEnd(8)
else:
return _Constant(BitString.from_byte(value))
def Byte(value=None):
'''
Match or read a byte (if a value is given, it must match).
'''
if value is None:
return BEnd(8)
else:
return _Constant(BitString.from_byte(value))
def test_from_byte(self):
self.assert_error(lambda: BitString.from_byte(-1))
self.assert_length_value(8, b'\x00', BitString.from_byte(0))
self.assert_length_value(8, b'\x01', BitString.from_byte(1))
self.assert_length_value(8, b'\xff', BitString.from_byte(255))
self.assert_error(lambda: BitString.from_byte(256))
def test_from_byte(self):
self.assert_error(lambda: BitString.from_byte(-1))
self.assert_length_value(8, b'\x00', BitString.from_byte(0))
self.assert_length_value(8, b'\x01', BitString.from_byte(1))
self.assert_length_value(8, b'\xff', BitString.from_byte(255))
self.assert_error(lambda: BitString.from_byte(256))
