commit b9f4ad3a9a01ba249a3a2d668f96935b31c78d82
author Georg Brandl <georg@python.org> Sun Oct 29 18:31:42 2006 +0000
committer Georg Brandl <georg@python.org> Sun Oct 29 18:31:42 2006 +0000
tree deb728f59d7ae8ec78f482c3959636a3fe9ec543
parent f733a013b2d1546e58dd6d4d3cdcb083e2176bea

Bug #1576657: when setting a KeyError for a tuple key, make sure that
the tuple isn't used as the "exception arguments tuple".

Lib/test/test_dict.py

diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py
index bbca798..218f7cc 100644
--- a/Lib/test/test_dict.py
+++ b/Lib/test/test_dict.py
@@ -444,6 +444,16 @@
         else:
             self.fail_("g[42] didn't raise KeyError")
 
+    def test_tuple_keyerror(self):
+        # SF #1576657
+        d = {}
+        try:
+            d[(1,)]
+        except KeyError, e:
+            self.assertEqual(e.args, ((1,),))
+        else:
+            self.fail("missing KeyError")
+
 
 from test import mapping_tests