Function run_image

core/tests/testutils/mod.rs:489–503

Executes `image` through completion in `vm`, and converts the result into an exit code.

(vm: &mut Vm, image: &Image)

/// Executes `image` through completion in `vm`, and converts the result into an exit code.
async fn run_image(vm: &mut Vm, image: &Image) -> Result<i32, String> {
    loop {
        match vm.exec(image) {
            StopReason::End(code) => return Ok(code.to_i32()),
            StopReason::Eof => return Ok(0),
            StopReason::UpcallAsync(handle) => {
                if let Err(e) = handle.invoke().await {
                    return Err(e.to_string());
                }
            }
            StopReason::Exception(pos, e) => return Err(format!("{}: {}", pos, e)),
            StopReason::Yield => (),
        }
    }
}

/// Given a `golden` test definition, executes its source part and writes the corresponding
/// `generated` file.  The test is expected to pass when both match, but the caller is responsible