Python test.test_support.gc_collect() Examples
The following are 30
code examples of test.test_support.gc_collect().
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example.
You may also want to check out all available functions/classes of the module
test.test_support
, or try the search function
.
.
Example #1
| Source File: test_io.py From oss-ftp with MIT License | 6 votes |
|
def test_blockingioerror(self):
# Various BlockingIOError issues
self.assertRaises(TypeError, self.BlockingIOError)
self.assertRaises(TypeError, self.BlockingIOError, 1)
self.assertRaises(TypeError, self.BlockingIOError, 1, 2, 3, 4)
self.assertRaises(TypeError, self.BlockingIOError, 1, "", None)
b = self.BlockingIOError(1, "")
self.assertEqual(b.characters_written, 0)
class C(unicode):
pass
c = C("")
b = self.BlockingIOError(1, c)
c.b = b
b.c = c
wr = weakref.ref(c)
del c, b
support.gc_collect()
self.assertTrue(wr() is None, wr)
Example #2
| Source File: test_io.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_IOBase_finalize(self):
# Issue #12149: segmentation fault on _PyIOBase_finalize when both a
# class which inherits IOBase and an object of this class are caught
# in a reference cycle and close() is already in the method cache.
class MyIO(self.IOBase):
def close(self):
pass
# create an instance to populate the method cache
MyIO()
obj = MyIO()
obj.obj = obj
wr = weakref.ref(obj)
del MyIO
del obj
support.gc_collect()
self.assertIsNone(wr(), wr)
Example #3
| Source File: test_socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def _assert_no_pending_threads(self, group, msg):
# Ensure __del__ finalizers are called on sockets. Two things to note:
# 1. It takes two collections for finalization to run.
# 2. gc.collect() is only advisory to the JVM, never mandatory. Still
# it usually seems to happen under light load.
# Wait up to one second for there not to be pending threads
for i in xrange(10):
pending_threads = _check_threadpool_for_pending_threads(group)
if len(pending_threads) == 0:
break
test_support.gc_collect()
if pending_threads:
print "Pending threads in Netty msg={} pool={}".format(msg, pprint.pformat(pending_threads))
Example #4
| Source File: test_io.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_override_destructor(self):
record = []
class MyTextIO(self.TextIOWrapper):
def __del__(self):
record.append(1)
try:
f = super(MyTextIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyTextIO, self).close()
def flush(self):
record.append(3)
super(MyTextIO, self).flush()
b = self.BytesIO()
t = MyTextIO(b, encoding="ascii")
del t
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
Example #5
| Source File: test_descr.py From gcblue with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_weakrefs(self):
# Testing weak references...
import weakref
class C(object):
pass
c = C()
r = weakref.ref(c)
self.assertEqual(r(), c)
del c
test_support.gc_collect()
self.assertEqual(r(), None)
del r
class NoWeak(object):
__slots__ = ['foo']
no = NoWeak()
try:
weakref.ref(no)
except TypeError, msg:
self.assertIn("weak reference", str(msg))
Example #6
| Source File: test_io.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_blockingioerror(self):
# Various BlockingIOError issues
self.assertRaises(TypeError, self.BlockingIOError)
self.assertRaises(TypeError, self.BlockingIOError, 1)
self.assertRaises(TypeError, self.BlockingIOError, 1, 2, 3, 4)
self.assertRaises(TypeError, self.BlockingIOError, 1, "", None)
b = self.BlockingIOError(1, "")
self.assertEqual(b.characters_written, 0)
class C(unicode):
pass
c = C("")
b = self.BlockingIOError(1, c)
c.b = b
b.c = c
wr = weakref.ref(c)
del c, b
support.gc_collect()
self.assertIsNone(wr(), wr)
Example #7
| Source File: test_io.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 6 votes |
|
def test_destructor(self):
record = []
class MyFileIO(self.FileIO):
def __del__(self):
record.append(1)
try:
f = super(MyFileIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyFileIO, self).close()
def flush(self):
record.append(3)
super(MyFileIO, self).flush()
f = MyFileIO(support.TESTFN, "wb")
f.write(b"xxx")
del f
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"xxx")
Example #8
| Source File: test_descr.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_weakrefs(self):
# Testing weak references...
import weakref
class C(object):
pass
c = C()
r = weakref.ref(c)
self.assertEqual(r(), c)
del c
test_support.gc_collect()
self.assertEqual(r(), None)
del r
class NoWeak(object):
__slots__ = ['foo']
no = NoWeak()
try:
weakref.ref(no)
except TypeError, msg:
self.assertIn("weak reference", str(msg))
Example #9
| Source File: test_descr.py From gcblue with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_delete_hook(self):
# Testing __del__ hook...
log = []
class C(object):
def __del__(self):
log.append(1)
c = C()
self.assertEqual(log, [])
del c
test_support.gc_collect()
self.assertEqual(log, [1])
class D(object): pass
d = D()
try: del d[0]
except TypeError: pass
else: self.fail("invalid del() didn't raise TypeError")
Example #10
| Source File: test_abc.py From gcblue with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_cache_leak(self):
# See issue #2521.
class A(object):
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def f(self):
pass
class C(A):
def f(self):
A.f(self)
r = weakref.ref(C)
# Trigger cache.
C().f()
del C
test_support.gc_collect()
self.assertEqual(r(), None)
Example #11
| Source File: test_io.py From gcblue with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_blockingioerror(self):
# Various BlockingIOError issues
self.assertRaises(TypeError, self.BlockingIOError)
self.assertRaises(TypeError, self.BlockingIOError, 1)
self.assertRaises(TypeError, self.BlockingIOError, 1, 2, 3, 4)
self.assertRaises(TypeError, self.BlockingIOError, 1, "", None)
b = self.BlockingIOError(1, "")
self.assertEqual(b.characters_written, 0)
class C(unicode):
pass
c = C("")
b = self.BlockingIOError(1, c)
c.b = b
b.c = c
wr = weakref.ref(c)
del c, b
support.gc_collect()
self.assertTrue(wr() is None, wr)
Example #12
| Source File: test_abc.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_cache_leak(self):
# See issue #2521.
class A(object):
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def f(self):
pass
class C(A):
def f(self):
A.f(self)
r = weakref.ref(C)
# Trigger cache.
C().f()
del C
test_support.gc_collect()
self.assertEqual(r(), None)
Example #13
| Source File: test_io.py From BinderFilter with MIT License | 6 votes |
|
def test_destructor(self):
record = []
class MyFileIO(self.FileIO):
def __del__(self):
record.append(1)
try:
f = super(MyFileIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyFileIO, self).close()
def flush(self):
record.append(3)
super(MyFileIO, self).flush()
f = MyFileIO(support.TESTFN, "wb")
f.write(b"xxx")
del f
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"xxx")
Example #14
| Source File: test_io.py From BinderFilter with MIT License | 6 votes |
|
def test_override_destructor(self):
record = []
class MyTextIO(self.TextIOWrapper):
def __del__(self):
record.append(1)
try:
f = super(MyTextIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyTextIO, self).close()
def flush(self):
record.append(3)
super(MyTextIO, self).flush()
b = self.BytesIO()
t = MyTextIO(b, encoding="ascii")
del t
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
Example #15
| Source File: test_io.py From BinderFilter with MIT License | 6 votes |
|
def test_blockingioerror(self):
# Various BlockingIOError issues
self.assertRaises(TypeError, self.BlockingIOError)
self.assertRaises(TypeError, self.BlockingIOError, 1)
self.assertRaises(TypeError, self.BlockingIOError, 1, 2, 3, 4)
self.assertRaises(TypeError, self.BlockingIOError, 1, "", None)
b = self.BlockingIOError(1, "")
self.assertEqual(b.characters_written, 0)
class C(unicode):
pass
c = C("")
b = self.BlockingIOError(1, c)
c.b = b
b.c = c
wr = weakref.ref(c)
del c, b
support.gc_collect()
self.assertTrue(wr() is None, wr)
Example #16
| Source File: test_descr.py From BinderFilter with MIT License | 6 votes |
|
def test_weakrefs(self):
# Testing weak references...
import weakref
class C(object):
pass
c = C()
r = weakref.ref(c)
self.assertEqual(r(), c)
del c
test_support.gc_collect()
self.assertEqual(r(), None)
del r
class NoWeak(object):
__slots__ = ['foo']
no = NoWeak()
try:
weakref.ref(no)
except TypeError, msg:
self.assertTrue(str(msg).find("weak reference") >= 0)
Example #17
| Source File: test_io.py From BinderFilter with MIT License | 6 votes |
|
def test_IOBase_finalize(self):
# Issue #12149: segmentation fault on _PyIOBase_finalize when both a
# class which inherits IOBase and an object of this class are caught
# in a reference cycle and close() is already in the method cache.
class MyIO(self.IOBase):
def close(self):
pass
# create an instance to populate the method cache
MyIO()
obj = MyIO()
obj.obj = obj
wr = weakref.ref(obj)
del MyIO
del obj
support.gc_collect()
self.assertTrue(wr() is None, wr)
Example #18
| Source File: test_descr.py From BinderFilter with MIT License | 6 votes |
|
def test_delete_hook(self):
# Testing __del__ hook...
log = []
class C(object):
def __del__(self):
log.append(1)
c = C()
self.assertEqual(log, [])
del c
test_support.gc_collect()
self.assertEqual(log, [1])
class D(object): pass
d = D()
try: del d[0]
except TypeError: pass
else: self.fail("invalid del() didn't raise TypeError")
Example #19
| Source File: test_abc.py From BinderFilter with MIT License | 6 votes |
|
def test_cache_leak(self):
# See issue #2521.
class A(object):
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def f(self):
pass
class C(A):
def f(self):
A.f(self)
r = weakref.ref(C)
# Trigger cache.
C().f()
del C
test_support.gc_collect()
self.assertEqual(r(), None)
Example #20
| Source File: test_io.py From oss-ftp with MIT License | 6 votes |
|
def test_destructor(self):
record = []
class MyFileIO(self.FileIO):
def __del__(self):
record.append(1)
try:
f = super(MyFileIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyFileIO, self).close()
def flush(self):
record.append(3)
super(MyFileIO, self).flush()
f = MyFileIO(support.TESTFN, "wb")
f.write(b"xxx")
del f
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"xxx")
Example #21
| Source File: test_io.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def test_destructor(self):
record = []
class MyFileIO(self.FileIO):
def __del__(self):
record.append(1)
try:
f = super(MyFileIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyFileIO, self).close()
def flush(self):
record.append(3)
super(MyFileIO, self).flush()
f = MyFileIO(support.TESTFN, "wb")
f.write(b"xxx")
del f
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"xxx")
Example #22
| Source File: test_io.py From gcblue with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def test_destructor(self):
record = []
class MyFileIO(self.FileIO):
def __del__(self):
record.append(1)
try:
f = super(MyFileIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyFileIO, self).close()
def flush(self):
record.append(3)
super(MyFileIO, self).flush()
f = MyFileIO(support.TESTFN, "wb")
f.write(b"xxx")
del f
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
with self.open(support.TESTFN, "rb") as f:
self.assertEqual(f.read(), b"xxx")
Example #23
| Source File: test_abc.py From oss-ftp with MIT License | 6 votes |
|
def test_cache_leak(self):
# See issue #2521.
class A(object):
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def f(self):
pass
class C(A):
def f(self):
A.f(self)
r = weakref.ref(C)
# Trigger cache.
C().f()
del C
test_support.gc_collect()
self.assertEqual(r(), None)
Example #24
| Source File: test_io.py From oss-ftp with MIT License | 6 votes |
|
def test_override_destructor(self):
record = []
class MyTextIO(self.TextIOWrapper):
def __del__(self):
record.append(1)
try:
f = super(MyTextIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(2)
super(MyTextIO, self).close()
def flush(self):
record.append(3)
super(MyTextIO, self).flush()
b = self.BytesIO()
t = MyTextIO(b, encoding="ascii")
del t
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
Example #25
| Source File: test_io.py From oss-ftp with MIT License | 6 votes |
|
def test_IOBase_finalize(self):
# Issue #12149: segmentation fault on _PyIOBase_finalize when both a
# class which inherits IOBase and an object of this class are caught
# in a reference cycle and close() is already in the method cache.
class MyIO(self.IOBase):
def close(self):
pass
# create an instance to populate the method cache
MyIO()
obj = MyIO()
obj.obj = obj
wr = weakref.ref(obj)
del MyIO
del obj
support.gc_collect()
self.assertTrue(wr() is None, wr)
Example #26
| Source File: test_descr.py From oss-ftp with MIT License | 6 votes |
|
def test_weakrefs(self):
# Testing weak references...
import weakref
class C(object):
pass
c = C()
r = weakref.ref(c)
self.assertEqual(r(), c)
del c
test_support.gc_collect()
self.assertEqual(r(), None)
del r
class NoWeak(object):
__slots__ = ['foo']
no = NoWeak()
try:
weakref.ref(no)
except TypeError, msg:
self.assertIn("weak reference", str(msg))
Example #27
| Source File: test_socket.py From ironpython2 with Apache License 2.0 | 5 votes |
|
def test_weakref__sock(self):
s = socket.socket()._sock
w = weakref.ref(s)
self.assertIs(w(), s)
del s
test_support.gc_collect()
self.assertIsNone(w())
Example #28
| Source File: regrtest.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 5 votes |
|
def cleanup_test_droppings(testname, verbose):
import shutil
# Try to clean up junk commonly left behind. While tests shouldn't leave
# any files or directories behind, when a test fails that can be tedious
# for it to arrange. The consequences can be especially nasty on Windows,
# since if a test leaves a file open, it cannot be deleted by name (while
# there's nothing we can do about that here either, we can display the
# name of the offending test, which is a real help).
for name in (test_support.TESTFN,
"db_home",
):
if not os.path.exists(name):
continue
# work around tests depending on refcounting files,
# but this doesn't work with respect to Windows
test_support.gc_collect()
if os.path.isdir(name):
kind, nuker = "directory", shutil.rmtree
elif os.path.isfile(name):
kind, nuker = "file", os.unlink
else:
raise SystemError("os.path says %r exists but is neither "
"directory nor file" % name)
if verbose:
print "%r left behind %s %r" % (testname, kind, name)
try:
nuker(name)
except Exception, msg:
print >> sys.stderr, ("%r left behind %s %r and it couldn't be "
"removed: %s" % (testname, kind, name, msg))
Example #29
| Source File: test_io.py From gcblue with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def _check_base_destructor(self, base):
record = []
class MyIO(base):
def __init__(self):
# This exercises the availability of attributes on object
# destruction.
# (in the C version, close() is called by the tp_dealloc
# function, not by __del__)
self.on_del = 1
self.on_close = 2
self.on_flush = 3
def __del__(self):
record.append(self.on_del)
try:
f = super(MyIO, self).__del__
except AttributeError:
pass
else:
f()
def close(self):
record.append(self.on_close)
super(MyIO, self).close()
def flush(self):
record.append(self.on_flush)
super(MyIO, self).flush()
f = MyIO()
del f
support.gc_collect()
self.assertEqual(record, [1, 2, 3])
Example #30
| Source File: test_descr.py From oss-ftp with MIT License | 5 votes |
|
def test_cycle_through_dict(self):
# See bug #1469629
class X(dict):
def __init__(self):
dict.__init__(self)
self.__dict__ = self
x = X()
x.attr = 42
wr = weakref.ref(x)
del x
test_support.gc_collect()
self.assertIsNone(wr())
for o in gc.get_objects():
self.assertIsNot(type(o), X)
