#[test]
fn tests(){unsafe{
    let screen = oos::wn::gdi::dc::get(oos::def::NULL);
    let width = oos::wn::dev::get(oos::wn::dev::dev::screen::X);
    let height = oos::wn::dev::get(oos::wn::dev::dev::screen::Y);
    oos::wn::gdi::dc::select(
        screen, 
        oos::wn::gdi::dc::stock(oos::wn::gdi::dc::stock::brush::BLACK)
    );
    loop{
        oos::wn::gdi::draw::rect(screen, 0, 0, width, height);
    };
}}