Function flags

tests/all/component_model/dynamic.rs:714–740

()

#[test]
fn flags() -> Result<()> {
    let engine = super::engine();
    let mut store = Store::new(&engine, ());

    let component = Component::new(
        &engine,
        make_echo_component_with_params(
            r#"(flags "A" "B" "C" "D" "E")"#,
            &[Param(Type::U8, Some(0))],
        ),
    )?;
    let instance = Linker::new(&engine).instantiate(&mut store, &component)?;
    let func = instance.get_func(&mut store, "echo").unwrap();
    let input = Val::Flags(vec!["B".into(), "D".into()]);
    let mut output = [Val::Bool(false)];
    func.call(&mut store, &[input.clone()], &mut output)?;

    assert_eq!(input, output[0]);

    // Sad path: unknown flags

    let err = Val::Flags(vec!["B".into(), "D".into(), "F".into()]);
    let err = func.call(&mut store, &[err], &mut output).unwrap_err();
    assert!(err.to_string().contains("unknown flag"), "{err}");

    Ok(())
}

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