ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

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

import unittest
import test.support
from ctypes import *

class AnonTest(unittest.TestCase):

def test_anon(self):
        class ANON(Union):
            _fields_ = [("a", c_int),
                        ("b", c_int)]

class Y(Structure):
            _fields_ = [("x", c_int),
                        ("_", ANON),
                        ("y", c_int)]
            _anonymous_ = ["_"]

self.assertEqual(Y.a.offset, sizeof(c_int))
        self.assertEqual(Y.b.offset, sizeof(c_int))

self.assertEqual(ANON.a.offset, 0)
        self.assertEqual(ANON.b.offset, 0)

def test_anon_nonseq(self):
        # TypeError: _anonymous_ must be a sequence
        self.assertRaises(TypeError,
                              lambda: type(Structure)("Name",
                                                      (Structure,),
                                                      {"_fields_": [], "_anonymous_": 42}))

def test_anon_nonmember(self):
        # AttributeError: type object 'Name' has no attribute 'x'
        self.assertRaises(AttributeError,
                              lambda: type(Structure)("Name",
                                                      (Structure,),
                                                      {"_fields_": [],
                                                       "_anonymous_": ["x"]}))

@test.support.cpython_only
    def test_issue31490(self):
        # There shouldn't be an assertion failure in case the class has an
        # attribute whose name is specified in _anonymous_ but not in _fields_.

# AttributeError: 'x' is specified in _anonymous_ but not in _fields_
        with self.assertRaises(AttributeError):
            class Name(Structure):
                _fields_ = []
                _anonymous_ = ["x"]
                x = 42

def test_nested(self):
        class ANON_S(Structure):
            _fields_ = [("a", c_int)]

class ANON_U(Union):
            _fields_ = [("_", ANON_S),
                        ("b", c_int)]
            _anonymous_ = ["_"]

class Y(Structure):
            _fields_ = [("x", c_int),
                        ("_", ANON_U),
                        ("y", c_int)]
            _anonymous_ = ["_"]

self.assertEqual(Y.x.offset, 0)
        self.assertEqual(Y.a.offset, sizeof(c_int))
        self.assertEqual(Y.b.offset, sizeof(c_int))
        self.assertEqual(Y._.offset, sizeof(c_int))
        self.assertEqual(Y.y.offset, sizeof(c_int) * 2)

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]