def testDeallocUninit(self):
import objc
import warnings
warnings.filterwarnings('ignore',
category=objc.UninitializedDeallocWarning)
try:
for clsName in [ 'NSURL', 'NSObject', 'NSArray' ]:
d = objc.lookUpClass(clsName).alloc()
del d
finally:
del warnings.filters[0]
# Check that we generate a warning for unitialized objects that
# get deallocated
import sys
if sys.version_info[0] == 2:
from StringIO import StringIO
else:
from io import StringIO
warnings.filterwarnings('always',
category=objc.UninitializedDeallocWarning)
sys.stderr = buf = StringIO()
try:
d = NSObject.alloc()
del d
finally:
del warnings.filters[0]
sys.stderr = sys.__stderr__
# A warning is three lines: location info, source code, empty line
self.assertEqual(len(buf.getvalue().split('\n')), 3)
def testCPicklePure(self):
import cPickle as pickle
o = NSObject.alloc().init()
self.assertRaises((TypeError, ValueError), pickle.dumps, o, 0)
self.assertRaises((TypeError, ValueError), pickle.dumps, o, 1)
self.assertRaises((TypeError, ValueError), pickle.dumps, o, 2)
def testDeallocUninit(self):
import objc
import warnings
warnings.filterwarnings("ignore", category=objc.UninitializedDeallocWarning)
try:
for clsName in ["NSURL", "NSObject", "NSArray"]:
d = objc.lookUpClass(clsName).alloc()
del d
finally:
del warnings.filters[0]
# Check that we generate a warning for unitialized objects that
# get deallocated
import sys
import StringIO
warnings.filterwarnings("always", category=objc.UninitializedDeallocWarning)
sys.stderr = io = StringIO.StringIO()
try:
d = NSObject.alloc()
del d
finally:
del warnings.filters[0]
sys.stderr = sys.__stderr__
# A warning is three lines: location info, source code, empty line
self.assertEquals(len(io.getvalue().split("\n")), 3)
def testOneArgumentTooMany (self):
class ClsIsNone (NSObject):
@classmethod
def f(cls):
pass
object = NSObject.alloc().init()
self.assertRaises(TypeError, object.description, None)
self.assertRaises(TypeError, object.description, "twelf")
self.assertRaises(TypeError, NSObject.description, None)
self.assertRaises(TypeError, ClsIsNone.f, None)
def testOneArgumentTooMany(self):
class ClsIsNone(NSObject):
@classmethod
def f(cls):
pass
object = NSObject.alloc().init()
self.assertRaises(TypeError, object.description, None)
self.assertRaises(TypeError, object.description, "twelf")
self.assertRaises(TypeError, NSObject.description, None)
self.assertRaises(TypeError, ClsIsNone.f, None)
def test_weakref_to_objc(self):
pool = NSAutoreleasePool.alloc().init()
o = NSObject.alloc().init()
a = NSArray.arrayWithObject_(o)
r = objc.WeakRef(o)
self.assertIs(r(), o)
del o
del pool
pool = NSAutoreleasePool.alloc().init()
self.assertIsInstance(r(), NSObject)
del a
del pool
self.assertIs(r(), None)
def test_weakref_to_objc(self):
pool = NSAutoreleasePool.alloc().init()
o = NSObject.alloc().init()
a = NSArray.arrayWithObject_(o)
r = objc.WeakRef(o)
self.assertIs(r(), o)
del o
del pool
pool = NSAutoreleasePool.alloc().init()
self.assertIsInstance(r(), NSObject)
del a
del pool
self.assertIs(r(), None)
def testDeallocUninit(self):
with warnings.catch_warnings():
warnings.filterwarnings("ignore",
category=objc.UninitializedDeallocWarning)
for clsName in ["NSURL", "NSObject", "NSArray"]:
d = objc.lookUpClass(clsName).alloc()
del d
# Check that we generate a warning for unitialized objects that
# get deallocated
with warnings.catch_warnings(record=True) as w:
warnings.filterwarnings("always")
d = NSObject.alloc()
del d
# Expliclty for garbage collection, without this
# there are sporadic test failures when using
# coverage.py
gc.collect()
self.assertTrue(len(w) == 1)
self.assertEqual(w[0].category, objc.UninitializedDeallocWarning)
def setUp(self):
self.NSObjectInstance = NSObject.alloc().init()