Function table_drops_externref

tests/all/gc.rs:329–375

()

#[test]
#[cfg_attr(miri, ignore)]
fn table_drops_externref() -> Result<()> {
    let _ = env_logger::try_init();
    test_engine(&Engine::default())?;

    let mut config = Config::new();
    config.allocation_strategy(crate::small_pool_config());
    test_engine(&Engine::new(&config)?)?;

    return Ok(());

    fn test_engine(engine: &Engine) -> Result<()> {
        let mut store = Store::new(&engine, ());
        let flag = Arc::new(AtomicBool::new(false));
        let externref = ExternRef::new(&mut store, SetFlagOnDrop(flag.clone()))?;
        Table::new(
            &mut store,
            TableType::new(RefType::EXTERNREF, 1, None),
            externref.into(),
        )?;
        drop(store);
        assert!(flag.load(SeqCst));

        let mut store = Store::new(&engine, ());
        let module = Module::new(
            &engine,
            r#"
            (module
                (table 1 externref)

                (func (export "run") (param externref)
                    i32.const 0
                    local.get 0
                    table.set 0
                )
            )
        "#,
        )?;
        let instance = Instance::new(&mut store, &module, &[])?;
        let run = instance.get_typed_func::<Option<Rooted<ExternRef>>, ()>(&mut store, "run")?;
        let flag = Arc::new(AtomicBool::new(false));
        let externref = ExternRef::new(&mut store, SetFlagOnDrop(flag.clone()))?;
        run.call(&mut store, Some(externref))?;
        drop(store);
        assert!(flag.load(SeqCst));
        Ok(())
    }
}

#[test]
#[cfg_attr(miri, ignore)]