def test_value(self):
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.VALUE),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.VALUE)
self.assertIsNone(operands[0].opreg)
self.assertEqual(operands[0].opvalue, 65535)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(opcode_length, 4)
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.VALUE),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.BYTE)
self.assertEqual(operands[0].optype, OpType.VALUE)
self.assertIsNone(operands[0].opreg)
self.assertEqual(operands[0].opvalue, 255)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(opcode_length, 3)
def test_value(self):
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.VALUE),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.VALUE)
self.assertIsNone(operands[0].opreg)
self.assertEqual(operands[0].opvalue, 65535)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertListEqual(operand_buffer_indices, [3])
self.assertEqual(opcode_length, 4)
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.VALUE),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.BYTE)
self.assertEqual(operands[0].optype, OpType.VALUE)
self.assertIsNone(operands[0].opreg)
self.assertEqual(operands[0].opvalue, 255)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertListEqual(operand_buffer_indices, [2])
self.assertEqual(opcode_length, 3)
def test_abs_ref(self):
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.ABS_REF_REG, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.ABS_REF_REG)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertEqual(operands[0].opoffset, -1)
self.assertEqual(opcode_length, 3)
with self.assertRaises(InvalidRegisterCodeError):
parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.ABS_REF_REG, 'AH'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
def test_address(self):
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.ADDRESS),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.ADDRESS)
self.assertIsNone(operands[0].opreg)
self.assertEqual(operands[0].opvalue, -1)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(opcode_length, 4)
with self.assertRaises(InvalidOperandError):
parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.ADDRESS),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
def test_rel_ref(self):
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REL_REF_WORD),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REL_REF_WORD)
self.assertIsNone(operands[0].opreg)
self.assertIsNone(operands[0].opvalue)
self.assertEqual(operands[0].opbase, -1)
self.assertIsNone(operands[0].opoffset)
self.assertListEqual(operand_buffer_indices, [3])
self.assertEqual(opcode_length, 4)
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REL_REF_WORD_BYTE),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REL_REF_WORD_BYTE)
self.assertIsNone(operands[0].opreg)
self.assertIsNone(operands[0].opvalue)
self.assertEqual(operands[0].opbase, -1)
self.assertEqual(operands[0].opoffset, 255)
self.assertListEqual(operand_buffer_indices, [4])
self.assertEqual(opcode_length, 5)
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REL_REF_WORD_REG, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REL_REF_WORD_REG)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertEqual(operands[0].opbase, -1)
self.assertIsNone(operands[0].opoffset)
self.assertListEqual(operand_buffer_indices, [3])
self.assertEqual(opcode_length, 4)
def test_abs_ref(self):
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.ABS_REF_REG, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.ABS_REF_REG)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertEqual(operands[0].opoffset, -1)
self.assertListEqual(operand_buffer_indices, [2])
self.assertEqual(opcode_length, 3)
with self.assertRaises(InvalidRegisterCodeError):
parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.ABS_REF_REG, 'AH'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
def test_address(self):
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.ADDRESS),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.ADDRESS)
self.assertIsNone(operands[0].opreg)
self.assertEqual(operands[0].opvalue, -1)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertListEqual(operand_buffer_indices, [3])
self.assertEqual(opcode_length, 4)
with self.assertRaises(InvalidOperandError):
parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.ADDRESS),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
def test_rel_ref(self):
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REL_REF_WORD),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REL_REF_WORD)
self.assertIsNone(operands[0].opreg)
self.assertIsNone(operands[0].opvalue)
self.assertEqual(operands[0].opbase, -1)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(opcode_length, 4)
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REL_REF_WORD_BYTE),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REL_REF_WORD_BYTE)
self.assertIsNone(operands[0].opreg)
self.assertIsNone(operands[0].opvalue)
self.assertEqual(operands[0].opbase, -1)
self.assertEqual(operands[0].opoffset, 255)
self.assertEqual(opcode_length, 5)
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REL_REF_WORD_REG, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REL_REF_WORD_REG)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertEqual(operands[0].opbase, -1)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(opcode_length, 4)
def test_multiple_operands(self):
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REGISTER, 'BX'),
_get_opbyte(OpLen.WORD, OpType.VALUE),
0xFF, 0xFF, 0xFF, 0xFF,
], 2)
self.assertEqual(len(operands), 2)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REGISTER)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(operands[1].oplen, OpLen.WORD)
self.assertEqual(operands[1].optype, OpType.VALUE)
self.assertIsNone(operands[1].opreg)
self.assertEqual(operands[1].opvalue, 65535)
self.assertIsNone(operands[1].opbase)
self.assertIsNone(operands[1].opoffset)
self.assertEqual(opcode_length, 5)
def test_multiple_operands(self):
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REGISTER, 'BX'),
_get_opbyte(OpLen.WORD, OpType.VALUE),
0xFF, 0xFF, 0xFF, 0xFF,
], 2)
self.assertEqual(len(operands), 2)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REGISTER)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(operands[1].oplen, OpLen.WORD)
self.assertEqual(operands[1].optype, OpType.VALUE)
self.assertIsNone(operands[1].opreg)
self.assertEqual(operands[1].opvalue, 65535)
self.assertIsNone(operands[1].opbase)
self.assertIsNone(operands[1].opoffset)
self.assertListEqual(operand_buffer_indices, [1, 4])
self.assertEqual(opcode_length, 5)
def test_register(self):
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REGISTER, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REGISTER)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertListEqual(operand_buffer_indices, [1])
self.assertEqual(opcode_length, 2)
operands, operand_buffer_indices, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.REGISTER, 'AH'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.BYTE)
self.assertEqual(operands[0].optype, OpType.REGISTER)
self.assertEqual(operands[0].opreg, 'AH')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertListEqual(operand_buffer_indices, [1])
self.assertEqual(opcode_length, 2)
with self.assertRaises(InvalidRegisterCodeError):
parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.REGISTER, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
with self.assertRaises(InvalidRegisterNameError):
parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REGISTER, 'XX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
def test_register(self):
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REGISTER, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.WORD)
self.assertEqual(operands[0].optype, OpType.REGISTER)
self.assertEqual(operands[0].opreg, 'BX')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(opcode_length, 2)
operands, opcode_length = parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.REGISTER, 'AH'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
self.assertEqual(len(operands), 1)
self.assertEqual(operands[0].oplen, OpLen.BYTE)
self.assertEqual(operands[0].optype, OpType.REGISTER)
self.assertEqual(operands[0].opreg, 'AH')
self.assertIsNone(operands[0].opvalue)
self.assertIsNone(operands[0].opbase)
self.assertIsNone(operands[0].opoffset)
self.assertEqual(opcode_length, 2)
with self.assertRaises(InvalidRegisterCodeError):
parse_operand_buffer([
_get_opbyte(OpLen.BYTE, OpType.REGISTER, 'BX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
with self.assertRaises(InvalidRegisterNameError):
parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.REGISTER, 'XX'),
0xFF, 0xFF, 0xFF, 0xFF,
], 1)
def test_not_enough_buffer(self):
with self.assertRaises(InsufficientOperandBufferError):
parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.VALUE),
0xFF,
], 1)
def test_not_enough_buffer(self):
with self.assertRaises(InsufficientOperandBufferError):
parse_operand_buffer([
_get_opbyte(OpLen.WORD, OpType.VALUE),
0xFF,
], 1)