#2831: add start argument to enumerate(). Patch by Scott Dial and me.

1 files changed, 15 insertions, 1 deletions

diff --git a/Lib/test/test_enumerate.py b/Lib/test/test_enumerate.py
index e0a272e025..a27846fbcf 100644
--- a/Lib/test/test_enumerate.py
+++ b/Lib/test/test_enumerate.py
@@ -100,7 +100,8 @@ class EnumerateTestCase(unittest.TestCase):
     def test_argumentcheck(self):
         self.assertRaises(TypeError, self.enum) # no arguments
         self.assertRaises(TypeError, self.enum, 1) # wrong type (not iterable)
-        self.assertRaises(TypeError, self.enum, 'abc', 2) # too many arguments
+        self.assertRaises(TypeError, self.enum, 'abc', 'a') # wrong type
+        self.assertRaises(TypeError, self.enum, 'abc', 2, 3) # too many arguments
 
     def test_tuple_reuse(self):
         # Tests an implementation detail where tuple is reused
@@ -196,6 +197,19 @@ class TestReversed(unittest.TestCase):
         self.assertEqual(rc, sys.getrefcount(r))
 
 
+class TestStart(EnumerateTestCase):
+
+    enum = lambda i: enumerate(i, start=11)
+    seq, res = 'abc', [(1, 'a'), (2, 'b'), (3, 'c')]
+
+
+class TestLongStart(EnumerateTestCase):
+
+    enum = lambda i: enumerate(i, start=sys.maxint+1)
+    seq, res = 'abc', [(sys.maxint+1,'a'), (sys.maxint+2,'b'),
+                       (sys.maxint+3,'c')]
+
+
 def test_main(verbose=None):
     testclasses = (EnumerateTestCase, SubclassTestCase, TestEmpty, TestBig,
                    TestReversed)