[Python-checkins] python/dist/src/Lib/test test_set.py,1.22,1.23

[rhettinger@users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Lib/test
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv303/Lib/test

Modified Files:
	test_set.py 
Log Message:
No longer ignore exceptions raised by comparisons during key lookup.
Inspired by Armin Rigo's suggestion to do the same with dictionaries.



Index: test_set.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_set.py,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -d -r1.22 -r1.23
--- test_set.py	16 Aug 2005 10:44:15 -0000	1.22
+++ test_set.py	16 Sep 2005 07:14:21 -0000	1.23
@@ -15,6 +15,12 @@
     raise PassThru
     yield 1
 
+class BadCmp:
+    def __hash__(self):
+        return 1
+    def __cmp__(self, other):
+        raise RuntimeError
+
 class TestJointOps(unittest.TestCase):
     # Tests common to both set and frozenset
 
@@ -227,6 +233,17 @@
         f.add(s)
         f.discard(s)
 
+    def test_badcmp(self):
+        s = self.thetype([BadCmp()])
+        # Detect comparison errors during insertion and lookup
+        self.assertRaises(RuntimeError, self.thetype, [BadCmp(), BadCmp()])
+        self.assertRaises(RuntimeError, s.__contains__, BadCmp())
+        # Detect errors during mutating operations
+        if hasattr(s, 'add'):
+            self.assertRaises(RuntimeError, s.add, BadCmp())
+            self.assertRaises(RuntimeError, s.discard, BadCmp())
+            self.assertRaises(RuntimeError, s.remove, BadCmp())
+
 class TestSet(TestJointOps):
     thetype = set