Remove the ability to slice/index on exceptions per PEP 352.
diff --git a/Lib/test/test_pep352.py b/Lib/test/test_pep352.py
index 2a6bac1..1f72ead 100644
--- a/Lib/test/test_pep352.py
+++ b/Lib/test/test_pep352.py
@@ -15,7 +15,7 @@
self.failUnless(issubclass(Exception, object))
def verify_instance_interface(self, ins):
- for attr in ("args", "message", "__str__", "__repr__", "__getitem__"):
+ for attr in ("args", "message", "__str__", "__repr__"):
self.failUnless(hasattr(ins, attr), "%s missing %s attribute" %
(ins.__class__.__name__, attr))
@@ -72,8 +72,7 @@
inheritance_tree.close()
self.failUnlessEqual(len(exc_set), 0, "%s not accounted for" % exc_set)
- interface_tests = ("length", "args", "message", "str", "unicode", "repr",
- "indexing")
+ interface_tests = ("length", "args", "message", "str", "unicode", "repr")
def interface_test_driver(self, results):
for test_name, (given, expected) in zip(self.interface_tests, results):
@@ -86,7 +85,7 @@
exc = Exception(arg)
results = ([len(exc.args), 1], [exc.args[0], arg], [exc.message, arg],
[str(exc), str(arg)], [unicode(exc), unicode(arg)],
- [repr(exc), exc.__class__.__name__ + repr(exc.args)], [exc[0], arg])
+ [repr(exc), exc.__class__.__name__ + repr(exc.args)])
self.interface_test_driver(results)
def test_interface_multi_arg(self):
@@ -97,8 +96,7 @@
results = ([len(exc.args), arg_count], [exc.args, args],
[exc.message, ''], [str(exc), str(args)],
[unicode(exc), unicode(args)],
- [repr(exc), exc.__class__.__name__ + repr(exc.args)],
- [exc[-1], args[-1]])
+ [repr(exc), exc.__class__.__name__ + repr(exc.args)])
self.interface_test_driver(results)
def test_interface_no_arg(self):
@@ -106,7 +104,7 @@
exc = Exception()
results = ([len(exc.args), 0], [exc.args, tuple()], [exc.message, ''],
[str(exc), ''], [unicode(exc), u''],
- [repr(exc), exc.__class__.__name__ + '()'], [True, True])
+ [repr(exc), exc.__class__.__name__ + '()'])
self.interface_test_driver(results)
class UsageTests(unittest.TestCase):
@@ -166,6 +164,10 @@
self.catch_fails(NonBaseException)
self.catch_fails(NonBaseException())
+ def test_catch_BaseException_instance(self):
+ # Catching an instance of a BaseException subclass won't work.
+ self.catch_fails(BaseException())
+
def test_catch_string(self):
# Catching a string is bad.
self.catch_fails("spam")