1 files changed, 14 insertions, 0 deletions
diff --git a/tests/test_nsjail.py b/tests/test_nsjail.py
index d54d31b..dde20bc 100644
--- a/tests/test_nsjail.py
+++ b/tests/test_nsjail.py
@@ -250,6 +250,20 @@ class NsJailTests(unittest.TestCase):
         )
         self.assertEqual(result.stderr, None)
 
+    def test_filename_encoding_illegal_chars(self):
+        code = dedent(
+            r"""
+            with open(b"\xC3.txt", "w") as f:
+                f.write("test")
+            """
+        ).strip()
+        result = self.eval_file(code)
+        self.assertEqual(result.returncode, None)
+        self.assertEqual(
+            result.stdout, "FileParsingError: invalid bytes in filename while parsing attachments"
+        )
+        self.assertEqual(result.stderr, None)
+
     def test_file_parsing_depth_limit(self):
         code = dedent(
             """