gh-124703: Add extra checks for pdb quit test (#130286)

diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index 7e8bd73625bb4abbe4f0ab4f1258bab4ad9b0491..fa439c1fe8915c8c2e2aa3c6a93b65b87598ddb7 100644 (file)
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -4299,6 +4299,14 @@ class PdbTestInline(unittest.TestCase):
         stdout, stderr = self._run_script(script, commands)
         self.assertIn("2", stdout)
         self.assertIn("Quit anyway", stdout)
+        # Closing stdin will quit the debugger anyway so we need to confirm
+        # it's the quit command that does the job
+        # call/return event will print --Call-- and --Return--
+        self.assertNotIn("--", stdout)
+        # Normal exit should not print anything to stderr
+        self.assertEqual(stderr, "")
+        # The quit prompt should be printed exactly twice
+        self.assertEqual(stdout.count("Quit anyway"), 2)
 
 
 @support.requires_subprocess()