third_party/web_platform_tests/XMLHttpRequest/send-timeout-events.htm

<!DOCTYPE html>
<html>
<head>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <title>XMLHttpRequest: The send() method: timeout is not 0 </title>
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-timeout-attribute" data-tested-assertations="following::ol[1]/li[2]" />
    <link rel="help" href="https://xhr.spec.whatwg.org/#infrastructure-for-the-send()-method" data-tested-assertations="following::dt[5] following::a[contains(@href,'#timeout-error')]/.." />
    <link rel="help" href="https://xhr.spec.whatwg.org/#timeout-error" data-tested-assertations=".." />
    <link rel="help" href="https://xhr.spec.whatwg.org/#request-error" data-tested-assertations="following::ol[1]/li[4] following::ol[1]/li[6] following::ol[1]/li[7]/ol/li[3] following::ol[1]/li[7]/ol/li[4] following::ol[1]/li[9] following::ol[1]/li[10]" />
</head>

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

    <script type="text/javascript">
        var test = async_test();

        test.step(function()
        {
            var xhr = new XMLHttpRequest();
            var expect = [4, "", "upload.timeout", "upload.loadend", "timeout", "loadend"];
            var actual = [];

            xhr.onreadystatechange = test.step_func(function()
            {
                if (xhr.readyState == 4)
                {
                    actual.push(xhr.readyState, xhr.response);
                }
            });

            xhr.onloadend = test.step_func_done(function(e)
            {
                assert_equals(e.loaded, 0);
                assert_equals(e.total, 0);
                actual.push(e.type);
                assert_array_equals(actual, expect);
            });

            xhr.ontimeout = test.step_func(function(e)
            {
                assert_equals(e.loaded, 0);
                assert_equals(e.total, 0);
                actual.push(e.type);
            });


            xhr.upload.onloadend = test.step_func(function(e)
            {
                assert_equals(e.loaded, 0);
                assert_equals(e.total, 0);
                actual.push("upload." + e.type);
            });

            xhr.upload.ontimeout = test.step_func(function(e)
            {
                assert_equals(e.loaded, 0);
                assert_equals(e.total, 0);
                actual.push("upload." + e.type);
            });


            var content = "";
            for (var i = 0; i < 121026; i++)
            {
                content += "[" + i + "]";
            }

            xhr.open("POST", "./resources/trickle.py", true);
            xhr.timeout = 1;
            xhr.send(content);
        });
    </script>
</body>
</html>