Function owned_rooted

tests/all/gc.rs:1639–1670

()

#[test]
fn owned_rooted() -> Result<()> {
    let _ = env_logger::try_init();

    let mut config = Config::new();
    config.wasm_function_references(true);
    config.wasm_gc(true);
    config.collector(Collector::DeferredReferenceCounting);

    let engine = Engine::new(&config)?;

    let mut store = Store::new(&engine, ());
    let inner_dropped = Arc::new(AtomicBool::new(false));
    let r = {
        let mut scope = RootScope::new(&mut store);
        let r = ExternRef::new(&mut scope, SetFlagOnDrop(inner_dropped.clone()))?;
        r.to_owned_rooted(&mut scope)?
    };
    assert!(!inner_dropped.load(SeqCst));
    store.gc(None)?;
    assert!(!inner_dropped.load(SeqCst));
    let r2 = r.clone();
    store.gc(None)?;
    assert!(!inner_dropped.load(SeqCst));
    drop(r);
    store.gc(None)?;
    assert!(!inner_dropped.load(SeqCst));
    drop(r2);
    store.gc(None)?;
    assert!(inner_dropped.load(SeqCst));

    Ok(())
}

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