LayoutTests/fast/forms/select-max-length.html

<p>This test that setting HTMLSelectElement.length is capped to 10,000, but that you can add additional Option elements by calling add.</p>
<pre id="console"></pre>
<select id="theSelect"></select>

<script>
    if (window.testRunner)
        testRunner.dumpAsText();

    function log(msg)
    {
        document.getElementById("console").appendChild(document.createTextNode(msg + "\n"));
    }

    var sel = document.getElementById('theSelect');
    log("Select length is " + sel.length);

    log("Trying: - sel.length = 20000;");
    sel.length = 20000;
    log("Select length is " + sel.length);

    log("Trying: - sel.add(new Option, 0);");
    sel.add(new Option, 0);
    log("Select length is " + sel.length);

    log("Trying: - sel.length = 0;");
    sel.length = 0;
    log("Select length is " + sel.length);
</script>