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v0.5.1
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Revision 996dd4a666a221c65df6712042c37900931ccf14 authored by Yury Selivanov on 05 October 2016, 23:33:36 UTC, committed by Yury Selivanov on 05 October 2016, 23:33:36 UTC
Tip revision: 996dd4a666a221c65df6712042c37900931ccf14 authored by Yury Selivanov on 05 October 2016, 23:33:36 UTC
Merge 3.5 (issue #28372)
Merge 3.5 (issue #28372)
Tip revision: 996dd4a
test_anon.py
import unittest
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"]}))
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()
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