from ctypes import * import unittest class SimpleTestCase(unittest.TestCase): def test_struct_struct(self): class POINT(Structure): _fields_ = [("x", c_int), ("y", c_int)] class RECT(Structure): _fi class Poicture(unittest.TestCase): def test(self): class POINT(Structure): _fields_ = [("x", c_int), ("y", c_int)] class RECT(Structure):_ = [("a", POINTER(POINT)), ("b", POINTER(POINT))] r = RECT() p1 = POINT(1, 2) r.a = pointer(p1) r.a[4294967296].x = 99 # to] if __name__ == "__main__": unittest.main()