def test_python_fn_kwargs(self):
weakrefs = []
sentinel = []
def watch(obj, kwarg=True):
self.assertEqual(kwarg, True)
# log the death of the reference by appending to the sentinel
ref = weakref.ref(obj, sentinel.append)
weakrefs.append(ref)
self.assertTrue(not sentinel)
thunk1 = lambda: None
watch(thunk1)
self.assertTrue(not sentinel)
del thunk1
extra_collect()
self.assertTrue(sentinel)
del sentinel[:]
thunk2 = lambda: None
watch(thunk2, kwarg=True) # <--- only difference: called with a kwarg
self.assertTrue(not sentinel)
del thunk2
extra_collect()
self.assertTrue(sentinel)
def testLeaks(self):
class Foo:
count = 0
def __init__(self):
Foo.count += 1
def __del__(self):
Foo.count -= 1
def f1():
x = Foo()
def f2():
return x
f2()
for i in range(100):
f1()
if is_jython:
from test_weakref import extra_collect
# A lot of garbage
for i in range(3):
extra_collect()
self.assertEqual(Foo.count, 0)
def testLeaks(self):
class Foo:
count = 0
def __init__(self):
Foo.count += 1
def __del__(self):
Foo.count -= 1
def f1():
x = Foo()
def f2():
return x
f2()
for i in range(100):
f1()
if is_jython:
from test_weakref import extra_collect
# A lot of garbage
for i in range(3):
extra_collect()
self.assertEqual(Foo.count, 0)
def test_weakref(self):
s = array.array(self.typecode, self.example)
p = proxy(s)
self.assertEqual(p.tostring(), s.tostring())
s = None
if test_support.is_jython:
extra_collect()
self.assertRaises(ReferenceError, len, p)
def test_weakref(self):
s = array.array(self.typecode, self.example)
p = proxy(s)
self.assertEqual(p.tostring(), s.tostring())
s = None
if test_support.is_jython:
extra_collect()
self.assertRaises(ReferenceError, len, p)
def test_weakref(self):
d = deque('gallahad')
p = proxy(d)
self.assertEqual(str(p), str(d))
d = None
if test_support.is_jython:
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, str, p)
def test_weakref(self):
f = self.thetype(int, base=16)
p = proxy(f)
self.assertEqual(f.func, p.func)
f = None
if test_support.is_jython:
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, getattr, p, 'func')
def test_weakref(self):
d = deque('gallahad')
p = weakref.proxy(d)
self.assertEqual(str(p), str(d))
d = None
if test_support.is_jython:
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, str, p)
def test_weakref(self):
f = self.thetype(int, base=16)
p = proxy(f)
self.assertEqual(f.func, p.func)
f = None
if test_support.is_jython:
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, getattr, p, 'func')
def testWeakRefs(self):
# verify weak references
p = proxy(self.f)
p.write('teststring')
self.assertEquals(self.f.tell(), p.tell())
self.f.close()
self.f = None
if is_jython:
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, getattr, p, 'tell')
def testWeakRefs(self):
# verify weak references
p = proxy(self.f)
p.write('teststring')
self.assertEquals(self.f.tell(), p.tell())
self.f.close()
self.f = None
if is_jython:
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, getattr, p, 'tell')
def testWeakRefs(self):
# verify weak references
p = proxy(self.f)
p.write('teststring')
self.assertEqual(self.f.tell(), p.tell())
self.f.close()
self.f = None
if test_support.is_jython: # GC is not immediate: borrow a trick
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, getattr, p, 'tell')
def testWeakRefs(self):
# verify weak references
p = proxy(self.f)
p.write('teststring')
self.assertEqual(self.f.tell(), p.tell())
self.f.close()
self.f = None
if test_support.is_jython: # GC is not immediate: borrow a trick
from test_weakref import extra_collect
extra_collect()
self.assertRaises(ReferenceError, getattr, p, 'tell')
def tearDownClass(cls):
if test.test_support.is_jython:
# GC is not immediate, so if Popen.__del__ may be delayed.
# Try to force any Popen.__del__ errors within scope of test.
from test_weakref import extra_collect
extra_collect()
testme < 1
testme > 1
testme <> 1
testme != 1
1 == testme
1 < testme
1 > testme
1 <> testme
1 != testme
# This test has to be last (duh.)
del testme
if sys.platform[:4] == 'java':
from test_weakref import extra_collect
extra_collect()
# Interfering tests
class ExtraTests:
def __getattr__(self, *args):
print "__getattr__:", args
return "SomeVal"
def __setattr__(self, *args):
print "__setattr__:", args
def __delattr__(self, *args):
print "__delattr__:", args
testme = ExtraTests()
x = Foo()
def f2():
return x
f2()
for i in range(100):
f1()
if is_jython:
from test_weakref import extra_collect
# A lot of garbage
for i in range(3):
extra_collect()
vereq(Foo.count, 0)
print "17. class and global"
def test(x):
class Foo:
global x
def __call__(self, y):
return x + y
return Foo()
def tearDownClass(cls):
if is_jython:
# GC is not immediate, so if Popen.__del__ may be delayed.
# Try to force Popen.__del__ within scope of test.
from test_weakref import extra_collect
extra_collect()
def test_unpack_iter(self):
a, b = 1, 2
self.assertEqual((a, b), (1, 2))
a, b, c = IteratingSequenceClass(3)
self.assertEqual((a, b, c), (0, 1, 2))
try: # too many values
a, b = IteratingSequenceClass(3)
except ValueError:
pass
else:
self.fail("should have raised ValueError")
try: # not enough values
a, b, c = IteratingSequenceClass(2)
except ValueError:
pass
else:
self.fail("should have raised ValueError")
try: # not iterable
a, b, c = len
except TypeError:
pass
else:
self.fail("should have raised TypeError")
a, b, c = iter({1: 42, 2: 42, 3: 42}.values())
self.assertEqual((a, b, c), (42, 42, 42))
f = open(TESTFN, "w")
lines = ("a\n", "bb\n", "ccc\n")
try:
for line in lines:
f.write(line)
finally:
f.close()
f = open(TESTFN, "r")
try:
a, b, c = f
self.assertEqual((a, b, c), lines)
finally:
f.close()
try:
unlink(TESTFN)
except OSError:
pass
(a, b), (c,) = IteratingSequenceClass(2), {42: 24}
self.assertEqual((a, b, c), (0, 1, 42))
# Test reference count behavior
# XXX: Jython new style objects don't support __del__ yet
from test_weakref import extra_collect
#class C(object):
class C:
count = 0
#def __new__(cls):
def __init__(self):
cls = C
cls.count += 1
#return object.__new__(cls)
def __del__(self):
cls = self.__class__
assert cls.count > 0
cls.count -= 1
x = C()
self.assertEqual(C.count, 1)
del x
extra_collect()
self.assertEqual(C.count, 0)
l = [C(), C(), C()]
self.assertEqual(C.count, 3)
try:
a, b = iter(l)
except ValueError:
pass
del l
extra_collect()
self.assertEqual(C.count, 0)
def tearDownClass(cls):
if test.test_support.is_jython:
# GC is not immediate, so Popen.__del__ may be delayed.
# Try to force any Popen.__del__ errors within scope of test.
from test_weakref import extra_collect
extra_collect()
def test_unpack_iter(self):
a, b = 1, 2
self.assertEqual((a, b), (1, 2))
a, b, c = IteratingSequenceClass(3)
self.assertEqual((a, b, c), (0, 1, 2))
try: # too many values
a, b = IteratingSequenceClass(3)
except ValueError:
pass
else:
self.fail("should have raised ValueError")
try: # not enough values
a, b, c = IteratingSequenceClass(2)
except ValueError:
pass
else:
self.fail("should have raised ValueError")
try: # not iterable
a, b, c = len
except TypeError:
pass
else:
self.fail("should have raised TypeError")
a, b, c = {1: 42, 2: 42, 3: 42}.itervalues()
self.assertEqual((a, b, c), (42, 42, 42))
f = open(TESTFN, "w")
lines = ("a\n", "bb\n", "ccc\n")
try:
for line in lines:
f.write(line)
finally:
f.close()
f = open(TESTFN, "r")
try:
a, b, c = f
self.assertEqual((a, b, c), lines)
finally:
f.close()
try:
unlink(TESTFN)
except OSError:
pass
(a, b), (c, ) = IteratingSequenceClass(2), {42: 24}
self.assertEqual((a, b, c), (0, 1, 42))
# Test reference count behavior
# XXX: Jython new style objects don't support __del__ yet
from test_weakref import extra_collect
#class C(object):
class C:
count = 0
#def __new__(cls):
def __init__(self):
cls = C
cls.count += 1
#return object.__new__(cls)
def __del__(self):
cls = self.__class__
assert cls.count > 0
cls.count -= 1
x = C()
self.assertEqual(C.count, 1)
del x
extra_collect()
self.assertEqual(C.count, 0)
l = [C(), C(), C()]
self.assertEqual(C.count, 3)
try:
a, b = iter(l)
except ValueError:
pass
del l
extra_collect()
self.assertEqual(C.count, 0)