Function drop_host_twice

tests/all/component_model/resources.rs:382–416

()

#[test]
fn drop_host_twice() -> Result<()> {
    let engine = super::engine();
    let c = Component::new(
        &engine,
        r#"
            (component
                (import "t" (type $t (sub resource)))

                (core func $dtor (canon resource.drop $t))
                (func (export "dtor") (param "x" (own $t))
                    (canon lift (core func $dtor)))
            )
        "#,
    )?;

    struct MyType;

    let mut store = Store::new(&engine, ());
    let mut linker = Linker::new(&engine);
    linker
        .root()
        .resource("t", ResourceType::host::<MyType>(), |_, _| Ok(()))?;
    let i = linker.instantiate(&mut store, &c)?;
    let dtor = i.get_typed_func::<(&Resource<MyType>,), ()>(&mut store, "dtor")?;

    let t = Resource::new_own(100);
    dtor.call(&mut store, (&t,))?;

    assert_eq!(
        dtor.call(&mut store, (&t,)).unwrap_err().to_string(),
        "host resource already consumed"
    );

    Ok(())
}

#[test]
fn manually_destroy() -> Result<()> {