Static Analyzer for Solidity
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slither/tests/test_constant_folding.py

38 lines
1.8 KiB

from slither import Slither
from slither.visitors.expression.constants_folding import ConstantFolding
def test_constant_folding_unary():
Slither("./tests/constant_folding_unary.sol")
def test_constant_folding_rational():
s = Slither("./tests/constant_folding_rational.sol")
contract = s.get_contract_from_name("C")[0]
variable_a = contract.get_state_variable_from_name("a")
assert str(variable_a.type) == "uint256"
assert str(ConstantFolding(variable_a.expression, "uint256").result()) == "10"
variable_b = contract.get_state_variable_from_name("b")
assert str(variable_b.type) == "int128"
assert str(ConstantFolding(variable_b.expression, "int128").result()) == "2"
variable_c = contract.get_state_variable_from_name("c")
assert str(variable_c.type) == "int64"
assert str(ConstantFolding(variable_c.expression, "int64").result()) == "3"
variable_d = contract.get_state_variable_from_name("d")
assert str(variable_d.type) == "int256"
assert str(ConstantFolding(variable_d.expression, "int256").result()) == "1500"
variable_e = contract.get_state_variable_from_name("e")
assert str(variable_e.type) == "uint256"
assert str(ConstantFolding(variable_e.expression, "uint256").result()) == "57896044618658097711785492504343953926634992332820282019728792003956564819968"
variable_f = contract.get_state_variable_from_name("f")
assert str(variable_f.type) == "uint256"
assert str(ConstantFolding(variable_f.expression, "uint256").result()) == "115792089237316195423570985008687907853269984665640564039457584007913129639935"
variable_g = contract.get_state_variable_from_name("g")
assert str(variable_g.type) == "int64"
assert str(ConstantFolding(variable_g.expression, "int64").result()) == "-7"