Author: Carl Friedrich Bolz <cfb...@gmx.de>
Branch:
Changeset: r45252:a36842c12c80
Date: 2011-07-01 23:36 +0200
http://bitbucket.org/pypy/pypy/changeset/a36842c12c80/
Log: a test that checks that mutating a string dict does not change any
caches
diff --git a/pypy/module/pypyjit/test_pypy_c/test_containers.py
b/pypy/module/pypyjit/test_pypy_c/test_containers.py
new file mode 100644
--- /dev/null
+++ b/pypy/module/pypyjit/test_pypy_c/test_containers.py
@@ -0,0 +1,25 @@
+
+import py, sys
+from pypy.module.pypyjit.test_pypy_c.test_00_model import BaseTestPyPyC
+
+
+class TestDicts(BaseTestPyPyC):
+ def test_strdict(self):
+ def fn(n):
+ import sys
+ d = {}
+ class A(object):
+ pass
+ a = A()
+ a.x = 1
+ for s in sys.modules.keys() * 1000:
+ inc = a.x # ID: look
+ d[s] = d.get(s, 0) + inc
+ return sum(d.values())
+ #
+ log = self.run(fn, [1000])
+ assert log.result % 1000 == 0
+ loop, = log.loops_by_filename(self.filepath)
+ ops = loop.ops_by_id('look')
+ assert log.opnames(ops) == ['setfield_gc',
+ 'guard_not_invalidated']
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