Author: Lars Wassermann <lars.wasserm...@gmail.com>
Branch:
Changeset: r346:92f8216c6434
Date: 2013-04-29 11:42 +0200
http://bitbucket.org/pypy/lang-smalltalk/changeset/92f8216c6434/
Log: added test for weak pointersobjects
diff --git a/spyvm/test/test_model.py b/spyvm/test/test_model.py
--- a/spyvm/test/test_model.py
+++ b/spyvm/test/test_model.py
@@ -314,3 +314,19 @@
assert target.pixelbuffer[i] == 0xff000000
for i in xrange(24, 32):
assert target.pixelbuffer[i] == 0xffffffff
+
+
+def test_weak_pointers():
+ from spyvm.shadow import WEAK_POINTERS
+
+ w_cls = mockclass(space, 1)
+ s_cls = w_cls.as_class_get_shadow(space)
+ s_cls.instance_kind = WEAK_POINTERS
+
+ weak_object = s_cls.new()
+ referenced = model.W_SmallInteger(10)
+ weak_object.store(space, 0, referenced)
+
+ assert weak_object.fetch(space, 0) is referenced
+ del referenced
+ assert weak_object.fetch(space, 0) is space.w_nil
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