Subclasses of int/long are allowed to define an __index__.
diff --git a/Lib/test/test_index.py b/Lib/test/test_index.py
index 6ad7d5e..ecb566d 100644
--- a/Lib/test/test_index.py
+++ b/Lib/test/test_index.py
@@ -48,11 +48,12 @@
self.assertEqual(self.o.__index__(), 4)
self.assertEqual(self.n.__index__(), 5)
- def test_infinite_recursion(self):
- self.failUnlessRaises(TypeError, operator.index, TrapInt())
- self.failUnlessRaises(TypeError, operator.index, TrapLong())
- self.failUnless(slice(TrapInt()).indices(0)==(0,0,1))
- self.failUnlessRaises(TypeError, slice(TrapLong()).indices, 0)
+ def test_subclasses(self):
+ r = range(10)
+ self.assertEqual(r[TrapInt(5):TrapInt(10)], r[5:10])
+ self.assertEqual(r[TrapLong(5):TrapLong(10)], r[5:10])
+ self.assertEqual(slice(TrapInt()).indices(0), (0,0,1))
+ self.assertEqual(slice(TrapLong(0)).indices(0), (0,0,1))
def test_error(self):
self.o.ind = 'dumb'
@@ -104,9 +105,9 @@
self.assertEqual(self.seq.__mul__(self.n), self.seq * 5)
self.assertEqual(self.seq.__rmul__(self.n), self.seq * 5)
- def test_infinite_recursion(self):
- self.failUnlessRaises(TypeError, operator.getitem, self.seq, TrapInt())
- self.failUnlessRaises(TypeError, operator.getitem, self.seq, TrapLong())
+ def test_subclasses(self):
+ self.assertEqual(self.seq[TrapInt()], self.seq[0])
+ self.assertEqual(self.seq[TrapLong()], self.seq[0])
def test_error(self):
self.o.ind = 'dumb'