def test_simple_types_ints_symbolic(self):
cs = ConstraintSet()
x = cs.new_bitvec(256, name="x")
y = cs.new_bitvec(256, name="y")
# Something is terribly wrong x,y = 10,20
my_ser = ABI.serialize('(uint,uint)', x, y)
x_, y_ = ABI.deserialize('(uint,uint)', my_ser)
self.assertTrue(solver.must_be_true(cs, x == x_))
self.assertTrue(solver.must_be_true(cs, y == y_))
def test_serialize_bytes_symbolic(self):
cs = ConstraintSet()
buf = cs.new_array(index_max=17)
ret = ABI.serialize('bytes', buf)
# does the offset field look right?
self.assertTrue(solver.must_be_true(cs, ret[0:32] == bytearray(b'\x00'*31 + b'\x20')))
# does the size field look right?
self.assertTrue(solver.must_be_true(cs, ret[32:64] == bytearray(b'\x00'*31 + b'\x11')))
# does the data field look right?
self.assertTrue(solver.must_be_true(cs, ret[64:64+32] == buf + bytearray(b'\x00'*15)))
def test_simple_types_ints_symbolic1(self):
cs = ConstraintSet()
x = cs.new_bitvec(256, name="x")
# Something is terribly wrong x,y = 10,20
my_ser = ABI.serialize('uint', x)
self.assertTrue(
solver.must_be_true(cs,
my_ser[0] == operators.EXTRACT(x, 256 - 8, 8)))
