Function zoom_in

src/navigate.rs:867–881

()

    #[test]
    fn zoom_in() -> Result<()> {
        let mathml_str = "<math id='math'><mfrac id='mfrac'>
                <msup id='msup'><mi id='base'>b</mi><mn id='exp'>2</mn></msup>
                <mi id='denom'>d</mi>
            </mfrac></math>";
        init_default_prefs(mathml_str, "Enhanced");
        return MATHML_INSTANCE.with(|package_instance| {
            let package_instance = package_instance.borrow();
            let mathml = get_element(&*package_instance);
            test_command("ZoomIn", mathml, "msup");
            test_command("ZoomIn", mathml, "base");
            test_command("ZoomIn", mathml, "base");
            return Ok( () );
        });
    }

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