<!DOCTYPE html>
<script>
    if (window.testRunner)
        window.testRunner.dumpAsText();
    onload = () => {
        document.designMode = 'on';
        let span0 = document.createElement('span');
        span0.appendChild(document.createElement('input'));
        let div0 = document.createElement('div');
        span0.appendChild(div0);
        div0.appendChild(document.createElement('input'));
        document.body.attachShadow({mode: 'open'}).append(span0);
        getSelection().selectAllChildren(span0);
        document.execCommand('Delete');
        document.write("Test passes if it does not crash.");
    };
</script>