ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: opt / bitninja-python-dojo / embedded / lib / python3.9 / ctypes / test

import unittest
import pickle
from ctypes import *
import _ctypes_test
dll = CDLL(_ctypes_test.__file__)

class X(Structure):
    _fields_ = [("a", c_int), ("b", c_double)]
    init_called = 0
    def __init__(self, *args, **kw):
        X.init_called += 1
        self.x = 42

class Y(X):
    _fields_ = [("str", c_char_p)]

class PickleTest:
    def dumps(self, item):
        return pickle.dumps(item, self.proto)

def loads(self, item):
        return pickle.loads(item)

def test_simple(self):
        for src in [
            c_int(42),
            c_double(3.14),
            ]:
            dst = self.loads(self.dumps(src))
            self.assertEqual(src.__dict__, dst.__dict__)
            self.assertEqual(memoryview(src).tobytes(),
                                 memoryview(dst).tobytes())

def test_struct(self):
        X.init_called = 0

x = X()
        x.a = 42
        self.assertEqual(X.init_called, 1)

y = self.loads(self.dumps(x))

# loads must NOT call __init__
        self.assertEqual(X.init_called, 1)

# ctypes instances are identical when the instance __dict__
        # and the memory buffer are identical
        self.assertEqual(y.__dict__, x.__dict__)
        self.assertEqual(memoryview(y).tobytes(),
                             memoryview(x).tobytes())

def test_unpickable(self):
        # ctypes objects that are pointers or contain pointers are
        # unpickable.
        self.assertRaises(ValueError, lambda: self.dumps(Y()))

prototype = CFUNCTYPE(c_int)

for item in [
            c_char_p(),
            c_wchar_p(),
            c_void_p(),
            pointer(c_int(42)),
            dll._testfunc_p_p,
            prototype(lambda: 42),
            ]:
            self.assertRaises(ValueError, lambda: self.dumps(item))

def test_wchar(self):
        self.dumps(c_char(b"x"))
        # Issue 5049
        self.dumps(c_wchar("x"))

for proto in range(pickle.HIGHEST_PROTOCOL + 1):
    name = 'PickleTest_%s' % proto
    globals()[name] = type(name,
                           (PickleTest, unittest.TestCase),
                           {'proto': proto})

if __name__ == "__main__":
    unittest.main()

[-] test_win32.py [edit]
[-] test_bitfields.py [edit]
[-] test_libc.py [edit]
[-] test_array_in_pointer.py [edit]
[-] test_varsize_struct.py [edit]
[-] test_arrays.py [edit]
[-] test_random_things.py [edit]
[-] test_callbacks.py [edit]
[-] test_init.py [edit]
[-] test_numbers.py [edit]
[-] test_stringptr.py [edit]
[-] test_sizes.py [edit]
[-] test_internals.py [edit]
[+] ..
[-] test_errno.py [edit]
[-] test_wintypes.py [edit]
[-] test_struct_fields.py [edit]
[-] test_unicode.py [edit]
[-] test_checkretval.py [edit]
[-] test_bytes.py [edit]
[-] test_returnfuncptrs.py [edit]
[-] test_python_api.py [edit]
[-] test_parameters.py [edit]
[-] __main__.py [edit]
[-] test_strings.py [edit]
[-] test_values.py [edit]
[-] test_pointers.py [edit]
[-] test_repr.py [edit]
[-] test_delattr.py [edit]
[-] test_pep3118.py [edit]
[-] test_buffers.py [edit]
[-] test_objects.py [edit]
[+] __pycache__
[-] test_cast.py [edit]
[-] test_prototypes.py [edit]
[-] test_keeprefs.py [edit]
[-] test_incomplete.py [edit]
[-] test_slicing.py [edit]
[-] test_cfuncs.py [edit]
[-] test_structures.py [edit]
[-] test_funcptr.py [edit]
[-] test_refcounts.py [edit]
[-] test_byteswap.py [edit]
[-] test_unaligned_structures.py [edit]
[-] test_loading.py [edit]
[-] test_frombuffer.py [edit]
[-] test_anon.py [edit]
[-] test_macholib.py [edit]
[-] test_as_parameter.py [edit]
[-] test_find.py [edit]
[-] __init__.py [edit]
[-] test_functions.py [edit]
[-] test_pickling.py [edit]
[-] test_memfunctions.py [edit]
[-] test_simplesubclasses.py [edit]