commit 5c456e6f4571fec64a98e28e7e316972f35d19fc
author Senthil Kumaran <orsenthil@gmail.com> Mon Nov 23 18:41:31 2009 +0000
committer Senthil Kumaran <orsenthil@gmail.com> Mon Nov 23 18:41:31 2009 +0000
tree c8d68f50c39733465208de8d1f8cfe551c003444
parent f058d2dc0835eecf75c1d93d77e8e3b7c372a862

Fix for issue1488943 - difflib.Differ() doesn't always add hints for tab
characters.

Lib/test/test_difflib.py

diff --git a/Lib/test/test_difflib.py b/Lib/test/test_difflib.py
index 011ef17..93f5c74 100644
--- a/Lib/test/test_difflib.py
+++ b/Lib/test/test_difflib.py
@@ -20,6 +20,14 @@
         diff_gen = difflib.unified_diff([], [])
         self.assertRaises(StopIteration, diff_gen.next)
 
+    def test_added_tab_hint(self):
+        # Check fix for bug #1488943
+        diff = list(difflib.Differ().compare(["\tI am a buggy"],["\t\tI am a bug"]))
+        self.assertEqual("- \tI am a buggy", diff[0])
+        self.assertEqual("?            --\n", diff[1])
+        self.assertEqual("+ \t\tI am a bug", diff[2])
+        self.assertEqual("? +\n", diff[3])
+
 patch914575_from1 = """
    1. Beautiful is beTTer than ugly.
    2. Explicit is better than implicit.