1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/test_sqlite3/test_dump.py b/Lib/test/test_sqlite3/test_dump.py
index 3107e1b165d..0279ce68eeb 100644
--- a/Lib/test/test_sqlite3/test_dump.py
+++ b/Lib/test/test_sqlite3/test_dump.py
@@ -133,6 +133,21 @@ class DumpTests(MemoryDatabaseMixin, unittest.TestCase):
         actual = list(self.cx.iterdump())
         self.assertEqual(expected, actual)
 
+    def test_dump_unicode_invalid(self):
+        # gh-108590
+        expected = [
+            "BEGIN TRANSACTION;",
+            "CREATE TABLE foo (data TEXT);",
+            "INSERT INTO \"foo\" VALUES('a\x9f');",
+            "COMMIT;",
+        ]
+        self.cu.executescript("""
+            CREATE TABLE foo (data TEXT);
+            INSERT INTO foo VALUES (CAST(X'619f' AS TEXT));
+        """)
+        actual = list(self.cx.iterdump())
+        self.assertEqual(expected, actual)
+
 
 if __name__ == "__main__":
     unittest.main()