1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 9acb16c..cc0640d 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -2368,6 +2368,18 @@ class SyntaxErrorTests(unittest.TestCase):
         finally:
             unlink(TESTFN)
 
+    def test_non_utf8(self):
+        # Check non utf-8 characters
+        try:
+            with open(TESTFN, 'bw') as testfile:
+                testfile.write(b"\x89")
+            rc, out, err = script_helper.assert_python_failure('-Wd', '-X', 'utf8', TESTFN)
+            err = err.decode('utf-8').splitlines()
+
+            self.assertIn("SyntaxError: Non-UTF-8 code starting with '\\x89' in file", err[-1])
+        finally:
+            unlink(TESTFN)
+
     def test_attributes_new_constructor(self):
         args = ("bad.py", 1, 2, "abcdefg", 1, 100)
         the_exception = SyntaxError("bad bad", args)