http/tests/xmlhttprequest/open-async-overload.html

<html>
<body>
<p>XMLHttpRequest.open() should be correctly overloaded</p>
<script>

    var console_messages = document.createElement("ol");
    document.body.appendChild(console_messages);

    function log(message)
    {
        var item = document.createElement("li");
        item.appendChild(document.createTextNode(message));
        console_messages.appendChild(item);
    }

    function shouldSendBehaveAs(req, async, description)
    {
        var expectedState = async ? 1 : 4;

        req.send();

        if (req.readyState == expectedState)
          log("PASS: " + description);
        else        
          log("FAIL: " + description + " (expected:" + expectedState + ", actual:" + req.readyState +")");
    }

    if (window.testRunner)
        testRunner.dumpAsText();

    req = new XMLHttpRequest();
    req.open("GET", "methods.cgi", true);
    shouldSendBehaveAs(req, true, "if async argument is true, send() should behave asynchronously");

    req = new XMLHttpRequest();
    req.open("GET", "methods.cgi", false);
    shouldSendBehaveAs(req, false, "if async argument is false, send() should behave synchronously");

    req = new XMLHttpRequest();
    req.open("GET", "methods.cgi");
    shouldSendBehaveAs(req, true, "if async argument is not given, send() should behave like as async=true");

    req = new XMLHttpRequest();
    req.open("GET", "methods.cgi", undefined);
    shouldSendBehaveAs(req, false, "if async argument is undefined, send() should behave like as async=false");

    req = new XMLHttpRequest();
    req.open("GET", "methods.cgi", "OK");
    shouldSendBehaveAs(req, true, "if async argument is a non-empty string, send() should behave like as async=true");

</script>
</body>
</html>