ladybird/Tests/LibWeb/Text/input/DOM/Document-createCDATASection.html

<script src="../include.js"></script>
<script>
    test(() => {
        const xmlDocument = new DOMParser().parseFromString("<xml></xml>", "application/xml");
        const validCdata = xmlDocument.createCDATASection("Some <CDATA> data & then some");
        xmlDocument.querySelector("xml").appendChild(validCdata);
        println(new XMLSerializer().serializeToString(xmlDocument));

        try {
            document.createCDATASection("This isn't valid for HTML documents")
        } catch (e) {
            println(`Exception: ${e.name}`);
        }

        try {
            const cdataWithAnEndDelimiter = xmlDocument.createCDATASection("This: ']]>' is a CDATA end delimiter");
        } catch (e) {
            println(`Exception: ${e.name}`);
        }
    });
</script>