diff -r 917295aaad76 Lib/test/test_filecmp.py
--- a/Lib/test/test_filecmp.py	Mon Jul 30 00:01:44 2012 +0200
+++ b/Lib/test/test_filecmp.py	Tue Jul 31 13:48:53 2012 -0400
@@ -107,6 +107,17 @@
         self.assertTrue(d.left_only == d.right_only == [])
         self.assertEqual(d.same_files, ['file'])
         self.assertEqual(d.diff_files, [])
+        pattern = "^diff\s.*?\s.*?\n" \
+                  "Identical files : \['file'\]$"
+        with support.captured_stdout() as t:
+            d.report()
+        self.assertRegex(t.getvalue(), pattern)
+        with support.captured_stdout() as t:
+            d.report_partial_closure()
+        self.assertRegex(t.getvalue(), pattern)
+        with support.captured_stdout() as t:
+            d.report_full_closure()
+        self.assertRegex(t.getvalue(), pattern)
 
         # Check attributes for comparison of two different directories
         d = filecmp.dircmp(self.dir, self.dir_diff)
@@ -117,6 +128,18 @@
         self.assertEqual(d.right_only, ['file2'])
         self.assertEqual(d.same_files, ['file'])
         self.assertEqual(d.diff_files, [])
+        pattern = "^diff\s.*?\s(?P<diff>.*?)\n" \
+                  "Only in\s(?P=diff) : \['file2'\]\n" \
+                  "Identical files : \['file'\]$"
+        with support.captured_stdout() as t:
+            d.report()
+        self.assertRegex(t.getvalue(), pattern)
+        with support.captured_stdout() as t:
+            d.report_partial_closure()
+        self.assertRegex(t.getvalue(), pattern)
+        with support.captured_stdout() as t:
+            d.report_full_closure()
+        self.assertRegex(t.getvalue(), pattern)
 
         # Add different file2
         output = open(os.path.join(self.dir, 'file2'), 'w')
@@ -125,6 +148,18 @@
         d = filecmp.dircmp(self.dir, self.dir_diff)
         self.assertEqual(d.same_files, ['file'])
         self.assertEqual(d.diff_files, ['file2'])
+        pattern = "^diff\s.*?\s.*?\n" \
+                  "Identical files : \['file'\]\n" \
+                  "Differing files : \['file2'\]$"
+        with support.captured_stdout() as t:
+            d.report()
+        self.assertRegex(t.getvalue(), pattern)
+        with support.captured_stdout() as t:
+            d.report_partial_closure()
+        self.assertRegex(t.getvalue(), pattern)
+        with support.captured_stdout() as t:
+            d.report_full_closure()
+        self.assertRegex(t.getvalue(), pattern)
 
 
 def test_main():