def writeVarUInt32(self, value: int) -> None:
"""
Writes a variable 32-bit unsigned integer value to the underlying storage.
:param value: Value to write.
:raises PythonRuntimeException: If the value is out of the range.
"""
self._writeVarNum(value, 4, getBitSizeOfVarUInt32(value) // 8, isSigned=False)
def writeVarUInt32(self, value):
"""
Writes a variable 32-bit unsigned integer value to the underlying storage.
:param value: Value to write.
:raises PythonRuntimeException: If the value is out of the range.
"""
numBytes = getBitSizeOfVarUInt32(value) // 8
self._writeVarNum(value, numBytes, VARUINT32_NUM_BITS)
def bitSizeOf(_bitPosition, value):
"""
Returns length of Zserio varuint32 type stored in the bit stream in bits.
:param _bitPosition: Not used.
:param value: Zserio varuint32 type value.
:returns: Length of given Zserio varuint32 type in bits.
"""
return getBitSizeOfVarUInt32(value)
def testGetBitSizeOfVarUInt32(self):
self.assertEqual(1 * 8, getBitSizeOfVarUInt32(0))
self.assertEqual(1 * 8, getBitSizeOfVarUInt32(1 << (0)))
self.assertEqual(1 * 8, getBitSizeOfVarUInt32((1 << (7)) - 1))
self.assertEqual(2 * 8, getBitSizeOfVarUInt32(1 << (7)))
self.assertEqual(2 * 8, getBitSizeOfVarUInt32((1 << (7 + 7)) - 1))
self.assertEqual(3 * 8, getBitSizeOfVarUInt32(1 << (7 + 7)))
self.assertEqual(3 * 8, getBitSizeOfVarUInt32((1 << (7 + 7 + 7)) - 1))
self.assertEqual(4 * 8, getBitSizeOfVarUInt32(1 << (7 + 7 + 7)))
self.assertEqual(4 * 8,
getBitSizeOfVarUInt32((1 << (7 + 7 + 7 + 8)) - 1))
with self.assertRaises(PythonRuntimeException):
getBitSizeOfVarUInt32(-1) # below the lower bound
with self.assertRaises(PythonRuntimeException):
getBitSizeOfVarUInt32(1 <<
(7 + 7 + 7 + 8)) # above the upper bound