1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_tools/test_reindent.py b/Lib/test/test_tools/test_reindent.py
index d7c20e1..34df0c5 100644
--- a/Lib/test/test_tools/test_reindent.py
+++ b/Lib/test/test_tools/test_reindent.py
@@ -7,6 +7,7 @@ Tools directory of a Python checkout or tarball, such as reindent.py.
 import os
 import unittest
 from test.support.script_helper import assert_python_ok
+from test.support import findfile
 
 from test.test_tools import scriptsdir, skip_if_missing
 
@@ -23,6 +24,12 @@ class ReindentTests(unittest.TestCase):
         self.assertEqual(out, b'')
         self.assertGreater(err, b'')
 
+    def test_reindent_file_with_bad_encoding(self):
+        bad_coding_path = findfile('bad_coding.py')
+        rc, out, err = assert_python_ok(self.script, '-r', bad_coding_path)
+        self.assertEqual(out, b'')
+        self.assertNotEqual(err, b'')
+
 
 if __name__ == '__main__':
     unittest.main()