def test_concrete_calldata_calldatasize():
# Arrange
calldata = ConcreteCalldata(0, [1, 4, 7, 3, 7, 2, 9])
solver = Solver()
# Act
solver.check()
model = solver.model()
result = model.eval(calldata.calldatasize.raw)
# Assert
assert result == 7
def test_as_long():
# Arrange
solver = Solver()
x = symbol_factory.BitVecSym("x", 256)
expression = x == symbol_factory.BitVecVal(2, 256)
# Act
solver.add(expression)
result = solver.check()
model = solver.model()
x_concrete = model.eval(x.raw).as_long()
# Assert
assert z3.sat == result
assert 2 == x_concrete
def test_decls():
# Arrange
solver = Solver()
x = symbol_factory.BitVecSym("x", 256)
expression = x == symbol_factory.BitVecVal(2, 256)
# Act
solver.add(expression)
result = solver.check()
model = solver.model()
decls = model.decls()
# Assert
assert z3.sat == result
assert x.raw.decl() in decls
def test_get_item():
# Arrange
solver = Solver()
x = symbol_factory.BitVecSym("x", 256)
expression = x == symbol_factory.BitVecVal(2, 256)
# Act
solver.add(expression)
result = solver.check()
model = solver.model()
x_concrete = model[x.raw.decl()]
# Assert
assert z3.sat == result
assert 2 == x_concrete
def test_bitvecfunc_find_input():
# Arrange
s = Solver()
input1 = symbol_factory.BitVecSym("input1", 256)
input2 = symbol_factory.BitVecSym("input2", 256)
bvf1 = symbol_factory.BitVecFuncSym("bvf1", "sha3", 256, input_=input1)
bvf2 = symbol_factory.BitVecFuncSym("bvf3", "sha3", 256, input_=input2)
# Act
s.add(input1 == symbol_factory.BitVecVal(1, 256))
s.add(bvf1 == bvf2)
# Assert
assert s.check() == z3.sat
assert s.model()[input2.raw] == 1
def test_bitvecfunc_bitvecfuncval_comparison():
# Arrange
s = Solver()
input1 = symbol_factory.BitVecSym("input1", 256)
input2 = symbol_factory.BitVecVal(1337, 256)
bvf1 = symbol_factory.BitVecFuncSym("bvf1", "sha3", 256, input_=input1)
bvf2 = symbol_factory.BitVecFuncVal(12345678910,
"sha3",
256,
input_=input2)
# Act
s.add(bvf1 == bvf2)
# Assert
assert s.check() == z3.sat
assert s.model().eval(input2.raw) == 1337