| Current Path : /usr/local/lib/python2.5/ctypes/test/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/local/lib/python2.5/ctypes/test/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.failUnlessEqual(Y.a.offset, sizeof(c_int))
self.failUnlessEqual(Y.b.offset, sizeof(c_int))
self.failUnlessEqual(ANON.a.offset, 0)
self.failUnlessEqual(ANON.b.offset, 0)
def test_anon_nonseq(self):
# TypeError: _anonymous_ must be a sequence
self.failUnlessRaises(TypeError,
lambda: type(Structure)("Name",
(Structure,),
{"_fields_": [], "_anonymous_": 42}))
def test_anon_nonmember(self):
# AttributeError: type object 'Name' has no attribute 'x'
self.failUnlessRaises(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.failUnlessEqual(Y.x.offset, 0)
self.failUnlessEqual(Y.a.offset, sizeof(c_int))
self.failUnlessEqual(Y.b.offset, sizeof(c_int))
self.failUnlessEqual(Y._.offset, sizeof(c_int))
self.failUnlessEqual(Y.y.offset, sizeof(c_int) * 2)
if __name__ == "__main__":
unittest.main()