chromium/third_party/blink/web_tests/http/tests/xmlhttprequest/simple-cross-origin-progress-events.html

<!doctype html>
<html>
<body>
<p>Test that upload progress events are not dispatched for simple cross-origin requests
(i.e. if the listener is set after calling send(), and there are no other reasons to make a preflight request).</p>
<pre id="console"></pre>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

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

var sawProgress;
var sawUploadProgress;

function progress(evt)
{
    if (!sawProgress)
        log("onprogress");
    sawProgress = true;
}

function allowedUploadProgress()
{
    if (sawUploadProgress)
        return;

    sawUploadProgress = true;
    log("upload.onprogress");
}

function notAllowedUploadProgress()
{
    if (sawUploadProgress)
        return;

    sawUploadProgress = true;
    log("FAIL: upload.onprogress");
}

// Build a long string.
var stringToSend = "a";
for (var i = 0; i < 23; ++i)
    stringToSend += stringToSend;

function test1()
{
    sawProgress = false;
    sawUploadProgress = false;

    log("Test 1: The URL is allowed for cross-origin requests");

    var xhr = new XMLHttpRequest();
    xhr.onprogress = progress;
    xhr.open("POST", "http://localhost:8000/xmlhttprequest/resources/cross-site-progress-events.cgi?allow", true);
    xhr.setRequestHeader("Content-Type", "text/plain");
    xhr.send(stringToSend);
    xhr.upload.onloadstart = function() { log("FAIL: upload.onloadstart"); };
    xhr.upload.onprogress = notAllowedUploadProgress;
    xhr.upload.onload = function() { log("FAIL: upload.onload"); };
    xhr.upload.onerror = function() { log("FAIL: upload.onerror"); };
    xhr.onerror = function() { log("onerror") };
    xhr.onload = function() {
        log("onload");
        log("Response length: " + xhr.responseText.length);
        test2();
    };
}

function test2()
{
    sawProgress = false;
    sawUploadProgress = false;

    log("\nTest 2: The URL is not allowed for cross-origin requests");

    var xhr = new XMLHttpRequest();
    xhr.onprogress = progress;
    xhr.open("POST", "http://localhost:8000/xmlhttprequest/resources/cross-site-progress-events.cgi", true);
    xhr.setRequestHeader("Content-Type", "text/plain");
    xhr.send(stringToSend);
    xhr.upload.onloadstart = function() { log("FAIL: upload.onloadstart"); };
    xhr.upload.onprogress = notAllowedUploadProgress;
    xhr.upload.onload = function() { log("FAIL: upload.onload"); };
    xhr.upload.onerror = function() { log("FAIL: upload.onerror"); };
    xhr.onload = function() { log("onload"); };
    xhr.onerror = function() {
        log("onerror (expected)");
        log("Response length: " + xhr.responseText.length);
        test3();
    };
}

function test3()
{
    sawProgress = false;
    sawUploadProgress = false;

    log("\nTest 3: The URL is not allowed for cross-origin requests and at least one upload event is listened for before doing the send.");

    var xhr = new XMLHttpRequest();
    xhr.onprogress = progress;
    xhr.open("POST", "http://localhost:8000/xmlhttprequest/resources/cross-site-progress-events.cgi", true);
    xhr.setRequestHeader("Content-Type", "text/plain");
    xhr.upload.onloadstart = function() { log("upload.onloadstart"); };
    xhr.send(stringToSend);
    xhr.upload.onprogress = allowedUploadProgress;
    xhr.upload.onload = function() { log("FAIL: upload.onload"); };
    xhr.upload.onerror = function() { log("upload.onerror (expected)"); };
    xhr.onload = function() { log("onload"); }
    xhr.onerror = function() {
        log("onerror (expected)");
        log("Response length: " + xhr.responseText.length);
        if (window.testRunner)
            testRunner.notifyDone();
    };
}

test1();
</script>
</body>
</html>