Fix difflib `?` hint in diff output when dealing with tabs (#15201)
diff --git a/Lib/test/test_difflib.py b/Lib/test/test_difflib.py
index 745ccbd..5e2ca1a 100644
--- a/Lib/test/test_difflib.py
+++ b/Lib/test/test_difflib.py
@@ -89,10 +89,16 @@
# 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 --\n", diff[1])
self.assertEqual("+ \t\tI am a bug", diff[2])
self.assertEqual("? +\n", diff[3])
+ def test_hint_indented_properly_with_tabs(self):
+ diff = list(difflib.Differ().compare(["\t \t \t^"], ["\t \t \t^\n"]))
+ self.assertEqual("- \t \t \t^", diff[0])
+ self.assertEqual("+ \t \t \t^\n", diff[1])
+ self.assertEqual("? \t \t \t +\n", diff[2])
+
def test_mdiff_catch_stop_iteration(self):
# Issue #33224
self.assertEqual(