Function box_map_elements_panic

datafusion/common/src/tree_node.rs:2483–2494

()

    #[test]
    fn box_map_elements_panic() {
        use std::panic::{AssertUnwindSafe, catch_unwind};
        let boxed = Box::new(TestTreeNode::new_leaf(42i32));
        let result = catch_unwind(AssertUnwindSafe(|| {
            boxed
                .map_elements(|_: TestTreeNode<i32>| -> Result<_> {
                    panic!("simulated panic during rewrite")
                })
                .ok()
        }));
        assert!(result.is_err());
    }
}