Function use_a_java_instance_in_different_thread

rust/src/lib.rs:631–649

()

    #[test]
    fn use_a_java_instance_in_different_thread() -> errors::Result<()> {
        let jvm = create_tests_jvm()?;
        let instantiation_args = vec![InvocationArg::try_from("3")?];
        let instance = jvm
            .create_instance("java.lang.String", instantiation_args.as_ref())
            ?;

        let jh = thread::spawn(move || {
            let jvm = create_tests_jvm()?;
            let res = jvm.invoke(&instance, "isEmpty", InvocationArg::empty());
            res
        });

        let join_res = jh.join();
        assert!(join_res.is_ok());
        assert!(join_res.unwrap().is_ok());

        Ok(())
    }

    #[test]
    fn drop_and_attach_main_thread() -> errors::Result<()> {