Add test to disallow negatives.

ZeroIntensity · ZeroIntensity · commit 4d6238035b04 · 2024-07-30T14:57:53.000-04:00
diff --git a/Lib/test/test_readline.py b/Lib/test/test_readline.py
@@ -113,6 +113,14 @@ def test_write_read_append(self):
         # write_history_file can create the target
         readline.write_history_file(hfilename)
 
+        # Negative values should be disallowed
+        with self.assertRaises(ValueError):
+            readline.append_history_file(-42, hfilename)
+
+        # See gh-122431, using the minumum signed integer value caused a segfault
+        with self.assertRaises(ValueError):
+            readline.append_history_file(-2147483648, hfilename)
+
     def test_nonascii_history(self):
         readline.clear_history()
         try:
