[pypy-svn] pypy default: Add a failing test about borrowed references.

[amauryfa]

Author: Amaury Forgeot d'Arc <amauryfa at gmail.com>
Branch: 
Changeset: r42508:a4e4beea777e
Date: 2011-03-11 13:41 +0100
http://bitbucket.org/pypy/pypy/changeset/a4e4beea777e/

Log:	Add a failing test about borrowed references. You'd better not
	borrow the same object from different containers...

diff --git a/pypy/module/cpyext/test/test_borrow.py b/pypy/module/cpyext/test/test_borrow.py
--- a/pypy/module/cpyext/test/test_borrow.py
+++ b/pypy/module/cpyext/test/test_borrow.py
@@ -38,3 +38,24 @@
             ])
         assert module.test_borrowing() # the test should not leak
 
+    def test_borrow_destroy(self):
+        skip("FIXME")
+        module = self.import_extension('foo', [
+            ("test_borrow_destroy", "METH_NOARGS",
+             """
+                PyObject *i = PyInt_FromLong(42);
+                PyObject *j;
+                PyObject *t1 = PyTuple_Pack(1, i);
+                PyObject *t2 = PyTuple_Pack(1, i);
+                Py_DECREF(i);
+
+                i = PyTuple_GetItem(t1, 0);
+                PyTuple_GetItem(t2, 0);
+                Py_DECREF(t2);
+
+                j = PyInt_FromLong(PyInt_AsLong(i));
+                Py_DECREF(t1);
+                return j;
+             """),
+            ])
+        assert module.test_borrow_destroy() == 42