Fix py3k warnings in test_decimal, using unittest.assertItemsEqual.

Lib/test/test_decimal.py

@@ -30,7 +30,8 @@ import pickle, copy
 import unittest
 from decimal import *
 import numbers
-from test.test_support import (run_unittest, run_doctest, is_resource_enabled)
+from test.test_support import (run_unittest, run_doctest,
+                               is_resource_enabled, check_py3k_warnings)
 import random
 try:
     import threading
@@ -201,7 +202,7 @@ class DecimalTest(unittest.TestCase):
         if skip_expected:
             raise unittest.SkipTest
             return
-        for line in open(file).xreadlines():
+        for line in open(file):
             line = line.replace('\r\n', '').replace('\n', '')
             #print line
             try:
@@ -360,12 +361,9 @@ class DecimalTest(unittest.TestCase):
         myexceptions = self.getexceptions()
         self.context.clear_flags()
 
-        myexceptions.sort()
-        theirexceptions.sort()
-
         self.assertEqual(result, ans,
                          'Incorrect answer for ' + s + ' -- got ' + result)
-        self.assertEqual(myexceptions, theirexceptions,
+        self.assertItemsEqual(myexceptions, theirexceptions,
               'Incorrect flags set in ' + s + ' -- got ' + str(myexceptions))
         return
 
@@ -616,12 +614,13 @@ class DecimalImplicitConstructionTest(unittest.TestCase):
             ('//', '__floordiv__', '__rfloordiv__'),
             ('**', '__pow__', '__rpow__')
         ]
-        if 1/2 == 0:
-            # testing with classic division, so add __div__
-            oplist.append(('/', '__div__', '__rdiv__'))
-        else:
-            # testing with -Qnew, so add __truediv__
-            oplist.append(('/', '__truediv__', '__rtruediv__'))
+        with check_py3k_warnings():
+            if 1 / 2 == 0:
+                # testing with classic division, so add __div__
+                oplist.append(('/', '__div__', '__rdiv__'))
+            else:
+                # testing with -Qnew, so add __truediv__
+                oplist.append(('/', '__truediv__', '__rtruediv__'))
 
         for sym, lop, rop in oplist:
             setattr(E, lop, lambda self, other: 'str' + lop + str(other))
@@ -1199,8 +1198,9 @@ class DecimalUsabilityTest(unittest.TestCase):
         self.assertEqual(a, b)
 
         # with None
-        self.assertFalse(Decimal(1) < None)
-        self.assertTrue(Decimal(1) > None)
+        with check_py3k_warnings():
+            self.assertFalse(Decimal(1) < None)
+            self.assertTrue(Decimal(1) > None)
 
     def test_copy_and_deepcopy_methods(self):
         d = Decimal('43.24')
@@ -2141,16 +2141,14 @@ class ContextFlags(unittest.TestCase):
                 for flag in extra_flags:
                     if flag not in expected_flags:
                         expected_flags.append(flag)
-                expected_flags.sort()
 
                 # flags we actually got
                 new_flags = [k for k,v in context.flags.items() if v]
-                new_flags.sort()
 
                 self.assertEqual(ans, new_ans,
                                  "operation produces different answers depending on flags set: " +
                                  "expected %s, got %s." % (ans, new_ans))
-                self.assertEqual(new_flags, expected_flags,
+                self.assertItemsEqual(new_flags, expected_flags,
                                   "operation raises different flags depending on flags set: " +
                                   "expected %s, got %s" % (expected_flags, new_flags))