Function resource_any

tests/all/component_model/resources.rs:109–215

()

#[test]
fn resource_any() -> Result<()> {
    let engine = super::engine();
    let c = Component::new(
        &engine,
        r#"
            (component
                (type $t' (resource (rep i32)))
                (type $u' (resource (rep i32)))

                (export $t "t" (type $t'))
                (export $u "u" (type $u'))

                (core func $t_ctor (canon resource.new $t))
                (core func $u_ctor (canon resource.new $u))

                (func (export "[constructor]t") (param "x" u32) (result (own $t))
                    (canon lift (core func $t_ctor)))
                (func (export "[constructor]u") (param "x" u32) (result (own $u))
                    (canon lift (core func $u_ctor)))

                (core func $t_drop (canon resource.drop $t))
                (core func $u_drop (canon resource.drop $u))

                (func (export "drop-t") (param "x" (own $t))
                    (canon lift (core func $t_drop)))
                (func (export "drop-u") (param "x" (own $u))
                    (canon lift (core func $u_drop)))
            )
        "#,
    )?;

    let linker = Linker::new(&engine);
    {
        let mut store = Store::new(&engine, ());
        let i = linker.instantiate(&mut store, &c)?;
        let t = i.get_resource(&mut store, "t").unwrap();
        let u = i.get_resource(&mut store, "u").unwrap();

        assert_ne!(t, u);

        let t_ctor = i.get_typed_func::<(u32,), (ResourceAny,)>(&mut store, "[constructor]t")?;
        let u_ctor = i.get_typed_func::<(u32,), (ResourceAny,)>(&mut store, "[constructor]u")?;
        let t_dtor = i.get_typed_func::<(ResourceAny,), ()>(&mut store, "drop-t")?;
        let u_dtor = i.get_typed_func::<(ResourceAny,), ()>(&mut store, "drop-u")?;

        let (t1,) = t_ctor.call(&mut store, (100,))?;
        let (t2,) = t_ctor.call(&mut store, (200,))?;
        let (u1,) = u_ctor.call(&mut store, (300,))?;
        let (u2,) = u_ctor.call(&mut store, (400,))?;

        assert_eq!(t1.ty(), t);
        assert_eq!(t2.ty(), t);
        assert_eq!(u1.ty(), u);
        assert_eq!(u2.ty(), u);

        u_dtor.call(&mut store, (u2,))?;

        u_dtor.call(&mut store, (u1,))?;