<!DOCTYPE html>
<script>

if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function runTest() {
    const selection = document.getSelection();
    selection.selectAllChildren(span);
    selection.selectAllChildren(input);
    selection.modify("extend", "forward", "documentboundary");
    document.execCommand("insertUnorderedList", false, null);
    setTimeout(() => {
        document.body.innerHTML = 'This test passes if WebKit does not hit any assertions.<br>PASS';
        if (window.testRunner)
            testRunner.notifyDone();
    }, 0);
}

function focusOut() {
    document.getSelection().selectAllChildren(span);
    const iframe = document.createElement('iframe');
    document.body.appendChild(iframe);
    iframe.contentDocument.body.appendChild(spanContainer);
}

function deleteAndShowModal() {
    document.execCommand("delete", false, null);
    dialog.showModal();
}

</script>
<body onload="runTest()">
<dialog id="dialog" contenteditable="true"></dialog>
<div id="spanContainer" contenteditable="true" onblur="deleteAndShowModal()">A<span id="span"></span></div>
<div onfocusout="focusOut()" contenteditable="true"><iframe></iframe><input id="input"></div>