rust/hg-cpython/src/ref_sharing.rs

43288:434d7a3e92e3

                )
            }
        }
    };
}

43289:8d432d3a2d7c

                )
            }
        }
    };
}

#[cfg(test)]
#[cfg(any(feature = "python27-bin", feature = "python3-bin"))]
mod test {
    use super::*;
    use cpython::{GILGuard, Python};

    py_class!(class Owner |py| {
        data string: PySharedRefCell<String>;
    });
    py_shared_ref!(Owner, String, string, string_shared);

    fn prepare_env() -> (GILGuard, Owner) {
        let gil = Python::acquire_gil();
        let py = gil.python();
        let owner =
            Owner::create_instance(py, PySharedRefCell::new("new".to_owned()))
                .unwrap();
        (gil, owner)
    }

    #[test]
    fn test_borrow_mut_while_leaked() {
        let (gil, owner) = prepare_env();
        let py = gil.python();
        assert!(owner.string_shared(py).borrow_mut().is_ok());
        let _leaked = owner.string_shared(py).leak_immutable().unwrap();
        // TODO: will be allowed
        assert!(owner.string_shared(py).borrow_mut().is_err());
    }
}