send-no-response-event-loadstart.htm

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This WPT test may be referenced by the following Test IDs:
- /xhr/send-no-response-event-loadstart.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

    <link rel="help" href="https://xhr.spec.whatwg.org/#handler-xhr-onloadstart" data-tested-assertations="/../.." />

    <link rel="help" href="https://xhr.spec.whatwg.org/#event-xhr-loadstart" data-tested-assertations="/../.." />

    <link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method" data-tested-assertations="/following-sibling::ol/li[9]/ol/li[2]" />

    <link rel="help" href="https://xhr.spec.whatwg.org/#the-response-attribute" data-tested-assertations="/following-sibling::ol/li[1]" />

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

    <title>XMLHttpRequest: The send() method: Fire a progress event named loadstart (no response entity body and the state is LOADING)</title>

</head>

<body>

    <div id="log"></div>

    <script type="text/javascript">

        var test = async_test();

        test.step(function()

            var xhr = new XMLHttpRequest();

            xhr.onreadystatechange = function()

                test.step(function()

                    if (xhr.readyState == 3)

                        assert_equals(xhr.response, "");

                    else if (xhr.readyState == 4)

                        assert_unreached("loadstart event did not fire in LOADING state!");

});

};

            xhr.onloadstart = function()

                test.step(function() { test.done("Test done!"); });

};

            xhr.open("POST", "./resources/content.py", true);

            xhr.send();

});

    </script>

</body>

</html>