<!DOCTYPE html>
</html>
<html>
<head>
<script>
onload = () => {
    if (window.testRunner)
        testRunner.dumpAsText();

    const br = document.querySelector('br');
    br.innerHTML = '<div style="text-indent: -1em;"><span>foo</span></div>';
    getSelection().setBaseAndExtent(document.querySelector('span').firstChild, 0, br, 1);
    document.execCommand("insertImage", "#foo");
}
</script>
</head>
<body contenteditable>
Test passes if it does not crash.
<br style="content: ''"><span style="display: none">
</body>