Author: Armin Rigo <[email protected]>
Branch:
Changeset: r1149:364decc0267b
Date: 2014-04-09 13:04 +0200
http://bitbucket.org/pypy/stmgc/changeset/364decc0267b/
Log: A failing test
diff --git a/c7/test/test_weakref.py b/c7/test/test_weakref.py
--- a/c7/test/test_weakref.py
+++ b/c7/test/test_weakref.py
@@ -360,3 +360,40 @@
self.switch(1)
make_wr()
stm_major_collect()
+
+
+class TestManyThreads(BaseTest):
+ NB_THREADS = NB_SEGMENTS
+
+ def test_weakref_bug3(self):
+ # make an object
+ self.start_transaction()
+ lp0 = stm_allocate(16)
+ self.push_root(lp0)
+ self.commit_transaction()
+ lp0 = self.pop_root()
+ self.push_root(lp0)
+ #
+ # privatize the page in all segments
+ for i in range(NB_SEGMENTS-1, -1, -1):
+ self.switch(i)
+ self.start_transaction()
+ stm_set_char(lp0, 'A')
+ self.commit_transaction()
+ #
+ self.start_transaction()
+ lp2 = stm_allocate(16)
+ self.push_root(lp2)
+ lp1 = stm_allocate_weakref(lp2)
+ self.push_root(lp1)
+ self.commit_transaction()
+ lp1 = self.pop_root()
+ lp2 = self.pop_root()
+ self.push_root(lp2)
+ self.push_root(lp1)
+ # the commit copies the weakref to all segments, but misses
+ # segment #0
+ #
+ self.start_transaction()
+ stm_major_collect() # reshare all, keeping only segment #0
+ assert stm_get_weakref(lp1) == lp2
_______________________________________________
pypy-commit mailing list
[email protected]
https://mail.python.org/mailman/listinfo/pypy-commit
