[Python-checkins] python/dist/src/Lib/test test_enumerate.py, 1.6, 1.7

[rhettinger at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Lib/test
In directory sc8-pr-cvs1:/tmp/cvs-serv17028/Lib/test

Modified Files:
	test_enumerate.py 
Log Message:
Implement and apply PEP 322, reverse iteration

Index: test_enumerate.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_enumerate.py,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** test_enumerate.py	29 May 2003 07:20:29 -0000	1.6
--- test_enumerate.py	6 Nov 2003 14:06:47 -0000	1.7
***************
*** 125,131 ****
      res = zip(range(20000), seq)
  
  
  def test_main(verbose=None):
!     testclasses = (EnumerateTestCase, SubclassTestCase, TestEmpty, TestBig)
      test_support.run_unittest(*testclasses)
  
--- 125,149 ----
      res = zip(range(20000), seq)
  
+ class TestReversed(unittest.TestCase):
+ 
+     def test_simple(self):
+         class A:
+             def __getitem__(self, i):
+                 if i < 5:
+                     return str(i)
+                 raise StopIteration
+             def __len__(self):
+                 return 5
+         for data in 'abc', range(5), tuple(enumerate('abc')), A(), xrange(1,17,5):
+             self.assertEqual(list(data)[::-1], list(reversed(data)))
+         self.assertRaises(TypeError, reversed, {})
+ 
+     def test_xrange_optimization(self):
+         x = xrange(1)
+         self.assertEqual(type(reversed(x)), type(iter(x)))
  
  def test_main(verbose=None):
!     testclasses = (EnumerateTestCase, SubclassTestCase, TestEmpty, TestBig,
!                    TestReversed)
      test_support.run_unittest(*testclasses)