You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
883 B
Python
36 lines
883 B
Python
import gc
|
|
import weakref
|
|
|
|
|
|
import greenlet
|
|
from . import TestCase
|
|
|
|
class WeakRefTests(TestCase):
|
|
def test_dead_weakref(self):
|
|
def _dead_greenlet():
|
|
g = greenlet.greenlet(lambda: None)
|
|
g.switch()
|
|
return g
|
|
o = weakref.ref(_dead_greenlet())
|
|
gc.collect()
|
|
self.assertEqual(o(), None)
|
|
|
|
def test_inactive_weakref(self):
|
|
o = weakref.ref(greenlet.greenlet())
|
|
gc.collect()
|
|
self.assertEqual(o(), None)
|
|
|
|
def test_dealloc_weakref(self):
|
|
seen = []
|
|
def worker():
|
|
try:
|
|
greenlet.getcurrent().parent.switch()
|
|
finally:
|
|
seen.append(g())
|
|
g = greenlet.greenlet(worker)
|
|
g.switch()
|
|
g2 = greenlet.greenlet(lambda: None, g)
|
|
g = weakref.ref(g2)
|
|
g2 = None
|
|
self.assertEqual(seen, [None])
|