Author: Armin Rigo <[email protected]>
Branch: 
Changeset: r57070:7307034ccd39
Date: 2012-09-01 18:47 +0200
http://bitbucket.org/pypy/pypy/changeset/7307034ccd39/

Log:    issue 1249: found a failing test.

diff --git a/pypy/module/itertools/test/test_itertools.py 
b/pypy/module/itertools/test/test_itertools.py
--- a/pypy/module/itertools/test/test_itertools.py
+++ b/pypy/module/itertools/test/test_itertools.py
@@ -664,6 +664,17 @@
         ref = weakref.ref(b)
         assert ref() is b
 
+    def test_tee_bug1(self):
+        import itertools
+        a, b = itertools.tee('abcde')
+        x = a.next()
+        assert x == 'a'
+        c, d = itertools.tee(a)
+        x = c.next()
+        assert x == 'b'
+        x = d.next()
+        assert x == 'b'
+
 
 class AppTestItertools26:
     def setup_class(cls):
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