Author: Armin Rigo <[email protected]>
Branch: gc-incminimark-pinning
Changeset: r74074:e34a36193f6a
Date: 2014-10-22 15:20 +0200
http://bitbucket.org/pypy/pypy/changeset/e34a36193f6a/
Log: A random test trying to pin objects.
diff --git a/rpython/translator/c/test/test_newgc.py
b/rpython/translator/c/test/test_newgc.py
--- a/rpython/translator/c/test/test_newgc.py
+++ b/rpython/translator/c/test/test_newgc.py
@@ -1504,6 +1504,54 @@
class TestIncrementalMiniMarkGC(TestMiniMarkGC):
gcpolicy = "incminimark"
+ def define_random_pin(self):
+ class A:
+ foo = None
+ bar = '..'
+ def f():
+ alist = [A()]
+ slist = ['..']
+ i = 0
+ j = 0
+ k = 0
+ while i < 3000000:
+ k = (k * 1291 + i) % 4603
+ a = A()
+ if k < 1000:
+ alist.append(a)
+ elif k < 2000:
+ j = (i * k)
+ alist[j % len(alist)].foo = alist[(j+i) % len(alist)]
+ elif k < 3000:
+ alist[i % len(alist)].bar = slist[(j+i) % len(slist)]
+ elif k < 4000:
+ slist.append(chr(i & 255) + chr(k & 255))
+ elif k < 4100 and len(alist) > 1:
+ drop = alist.pop()
+ alist[i % len(alist)] = drop
+ elif k < 4200 and len(slist) > 1:
+ drop = slist.pop()
+ slist[i % len(slist)] = drop
+ elif k < 4300:
+ rgc.pin(slist[i % len(slist)]) # <------ pin!
+ keepalive_until_here(a)
+ i += 1
+ n = 0
+ m = 0
+ for i in range(len(alist)):
+ a = alist[i]
+ if a.foo is None:
+ n -= 1
+ else:
+ n += ord(a.foo.bar[0])
+ m += ord(a.foo.bar[1])
+ return m - n
+ return f
+
+ def test_random_pin(self):
+ res = self.run("random_pin")
+ assert res == 279882
+
# ____________________________________________________________________
_______________________________________________
pypy-commit mailing list
[email protected]
https://mail.python.org/mailman/listinfo/pypy-commit
