self = <test_013_SqlHandle_free_shutdown.TestHandleFreeShutdown object at 0x5506e60cd0>
conn_str = 'Server=172.17.0.4;Database=TestDB;Uid=SA;Pwd=Azure@123!;TrustServerCertificate=yes'

    def test_dbc_handle_cleanup_at_shutdown(self, conn_str):
        """
        Test DBC handle (Type 2) cleanup during Python shutdown.
    
        Scenario:
        1. Create multiple connections (multiple DBC handles)
        2. Close cursors but leave connections open
        3. Let Python shutdown without closing connections
        4. DBC handles' __del__ should skip SQLFreeHandle during shutdown
    
        Expected: No segfault, clean exit
        """
        script = textwrap.dedent(f"""
            import sys
            from mssql_python import connect
    
            # Create multiple connections (DBC handles)
            connections = []
            for i in range(3):
                conn = connect("{conn_str}")
                cursor = conn.cursor()
                cursor.execute(f"SELECT {{i}} AS test_value")
                result = cursor.fetchall()
                cursor.close()  # Close cursor, but keep connection
                connections.append(conn)
                print(f"Connection {{i}}: created and cursor closed")
    
            # Intentionally skip connection cleanup
            # This will trigger SqlHandle::free() for DBC handles during shutdown
            # Type 2 (DBC) handles should be skipped when pythonShuttingDown=true
            print("DBC handle cleanup test: Exiting without explicit connection cleanup")
            sys.exit(0)
        """)
    
        result = subprocess.run(
            [sys.executable, "-c", script], capture_output=True, text=True, timeout=5
        )
    
>       assert result.returncode == 0, f"Process crashed. stderr: {result.stderr}"
E       AssertionError: Process crashed. stderr: 
E       assert -11 == 0
E        +  where -11 = CompletedProcess(args=['/opt/venv/bin/python', '-c', '\nimport sys\nfrom mssql_python import connect\n\n# Create multiple connections (DBC handles)\nconnections = []\nfor i in range(3):\n    conn = connect("Server=172.17.0.4;Database=TestDB;Uid=SA;Pwd=Azure@123!;TrustServerCertificate=yes")\n    cursor = conn.cursor()\n    cursor.execute(f"SELECT {i} AS test_value")\n    result = cursor.fetchall()\n    cursor.close()  # Close cursor, but keep connection\n    connections.append(conn)\n    print(f"Connection {i}: created and cursor closed")\n\n# Intentionally skip connection cleanup\n# This will trigger SqlHandle::free() for DBC handles during shutdown\n# Type 2 (DBC) handles should be skipped when pythonShuttingDown=true\nprint("DBC handle cleanup test: Exiting without explicit connection cleanup")\nsys.exit(0)\n'], returncode=-11, stdout='', stderr='').returncode

tests/test_013_SqlHandle_free_shutdown.py:296: AssertionError