Security analysis tool for EVM bytecode. Supports smart contracts built for Ethereum, Hedera, Quorum, Vechain, Roostock, Tron and other EVM-compatible blockchains.
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mythril/tests/disassembler/asm.py

44 lines
1.7 KiB

from mythril.disassembler.asm import *
import pytest
valid_names = [("PUSH1", 0x60), ("STOP", 0x0), ("RETURN", 0xf3)]
@pytest.mark.parametrize("operation_name, hex_value", valid_names)
def test_get_opcode(operation_name: str, hex_value: int):
# Act
return_value = get_opcode_from_name(operation_name)
# Assert
assert return_value == hex_value
def test_get_unknown_opcode():
operation_name = "definitely unknown"
# Act
with pytest.raises(RuntimeError):
get_opcode_from_name(operation_name)
sequence_match_test_data = [
# Normal no match
((["PUSH1"], ["EQ"]), [{"opcode": "PUSH1"}, {"opcode": "PUSH3"}, {"opcode": "EQ"}], 1, False),
# Normal match
((["PUSH1"], ["EQ"]), [{"opcode": "PUSH1"}, {"opcode": "PUSH1"}, {"opcode": "EQ"}], 1, True),
# Out of bounds pattern
((["PUSH1"], ["EQ"]), [{"opcode": "PUSH1"}, {"opcode": "PUSH3"}, {"opcode": "EQ"}], 3, False),
((["PUSH1"], ["EQ"]), [{"opcode": "PUSH1"}, {"opcode": "PUSH3"}, {"opcode": "EQ"}], 2, False),
# Double option match
((["PUSH1", "PUSH3"], ["EQ"]), [{"opcode": "PUSH1"}, {"opcode": "PUSH1"}, {"opcode": "EQ"}], 1, True),
((["PUSH1", "PUSH3"], ["EQ"]), [{"opcode": "PUSH1"}, {"opcode": "PUSH3"}, {"opcode": "EQ"}], 1, True),
# Double option no match
((["PUSH1", "PUSH3"], ["EQ"]), [{"opcode": "PUSH1"}, {"opcode": "PUSH3"}, {"opcode": "EQ"}], 0, False),
]
@pytest.mark.parametrize("pattern, instruction_list, index, expected_result", sequence_match_test_data)
def test_is_sequence_match(pattern, instruction_list, index, expected_result):
# Act
return_value = is_sequence_match(pattern, instruction_list, index)
# Assert
assert return_value == expected_result