def test_insert_check_end(self):
instructions = self.evmcode.disassemble()
instructions.insert(0, registry.create_instruction(name="JUMPDEST"))
for idx in range(len(instructions)):
instructions.insert(-idx,
registry.create_instruction(name="JUMPDEST"))
self._check_address_linear(instructions)
for _ in range(len(instructions)):
idx = random.randint(0, len(instructions) - 1)
instructions.insert(idx,
registry.create_instruction(name="JUMPDEST"))
self._check_address_linear(instructions)
def test_instruction_set_operand_bytes(self):
value = b'\xc0\xfe\xfe'
push = registry.create_instruction("PUSH%d" % len(value))
push.operand_bytes = value
self.assertEqual(push.operand, utils.bytes_to_str(value, prefix=""))
self.assertEqual(push.operand_bytes, value)
self.assertEqual(push.operand_length, len(value))
def test_instruction_set_operand(self):
value = "c0fefe"
push = registry.create_instruction("PUSH%d" % len(value))
push.operand = value
self.assertEqual(push.operand, value)
self.assertEqual(push.operand_bytes, utils.str_to_bytes(value))
self.assertEqual(push.operand_length, len(value))
def test_append_check_end_no_fix_address(self):
instructions = self.evmcode.disassemble()
instructions._fix_addresses = False
for _ in range(4000):
instructions.append(registry.create_instruction(name="JUMPDEST"))
error = False
pc = instructions[0].address
for instr in instructions:
if not instr.address == pc:
error = True
break
pc += len(instr)
self.assertTrue(error)
def test_append_check_end_getitem(self):
instructions = self.evmcode.disassemble()
for _ in range(4000):
instructions.append(registry.create_instruction(name="JUMPDEST"))
self._check_address_linear_getitem(instructions)
self._check_address_linear_getitem(instructions)
def test_create_instruction(self):
self.assertEqual(registry.instruction.JUMP,
registry.INSTRUCTIONS_BY_NAME["JUMP"])
self.assertNotEqual(registry.instruction.JUMP,
registry.create_instruction(name="JUMP"))