fn_call_size.rs

#[test]
fn size() {
    assert_eq!(function_size("Windows.Win32.System.Console", "ReadConsoleOutputA"), 20);
    assert_eq!(function_size("Windows.Win32.System.Console", "ReadConsoleOutputAttribute"), 20);
    assert_eq!(function_size("Windows.Win32.UI.Accessibility", "ItemContainerPattern_FindItemByProperty"), 32);
    assert_eq!(function_size("Windows.Win32.System.Ole", "VarI2FromCy"), 12);
    assert_eq!(function_size("Windows.Win32.UI.Accessibility", "UiaRaiseAutomationPropertyChangedEvent"), 40);
    assert_eq!(function_size("Windows.Win32.Graphics.Gdi", "AlphaBlend"), 44);
    assert_eq!(function_size("Windows.Win32.UI.Accessibility", "TextRange_FindAttribute"), 32);
    assert_eq!(function_size("Windows.Win32.System.Com", "GetErrorInfo"), 8);
}

fn function_size(namespace: &str, name: &str) -> usize {
    let files = vec![metadata::reader::File::new("../../libs/metadata/default/Windows.Win32.winmd").unwrap()];
    let reader = &metadata::reader::Reader::new(&files);
    if let Some(def) = reader.get(metadata::reader::TypeName::new(namespace, "Apis")).next() {
        for method in reader.type_def_methods(def) {
            if reader.method_def_name(method) == name {
                return reader.method_def_size(method);
            }
        }
    }
    0
}