http/tests/xmlhttprequest/exceptions.html

<html>
<head>
<title>Test XMLHttpRequest exceptions</title>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<body>
<p>Test that XMLHttpRequest raises exceptions when it should.</p>
<script>

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

    var console_messages = document.createElement("ul");
    document.body.appendChild(console_messages);
    
    function log(message)
    {
        var item = document.createElement("li");
        item.appendChild(document.createTextNode(message));
        console_messages.appendChild(item);
    }
    
    function shouldThrow(_a, _e) {
        var exception;
        var _av;
        try {
            _av = eval(_a);
        } catch (e) {
            exception = e.description ? e.description : e;
        }
        
        var _ev;
        if (_e)
            _ev =  eval(_e);
        
        if (exception) {
            if (typeof _e == "undefined" || exception == _ev)
                log("PASS: " + _a + " threw exception " + exception + ".");
            else
                log("FAIL: " + _a + " should throw exception " + _ev + ". Threw exception " + exception + ".");
        } else if (typeof _av == "undefined")
            log("FAIL: " + _a + " should throw exception " + _e + ". Was undefined.");
        else
            log("FAIL: " + _a + " should throw exception " + _e + ". Was " + _av + ".");
    }

// -------------------------
    
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
    } else {
        try {
            req = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (ex) {
            req = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    log("new XMLHttpRequest()");

    shouldThrow('req.setRequestHeader("Foo", "bar")');
    shouldThrow('req.send(null)');
    
    req.open('GET', 'resources/zero-length.txt', false);
    log("open()");
    
    shouldThrow('req.setRequestHeader()');
    shouldThrow('req.setRequestHeader("Foo")');
    shouldThrow('req.status()');
    shouldThrow('req.statusText()');
    
    req.send(null);
    log("send()");

    shouldThrow('req.send(null)');
    shouldThrow('req.setRequestHeader("Foo", "bar")');
    shouldThrow('req.getResponseHeader()');

    shouldThrow('req.open()');
    shouldThrow('req.open(null)');
   
</script>
</body>
</html>