LayoutTests/http/tests/cache/xhr-vary-header.html

<p>Test that XMLHttpRequest doesn't return a wrong cached answer when there is a Vary header in response.</p>

<script src="/js-test-resources/js-test-pre.js"></script>
<script>
window.jsTestIsAsync = true;

if (location.protocol != "http:" || location.host != "127.0.0.1:8000")
    debug("This test must be run from http://127.0.0.1:8000");

var testStep = 1;

function testCrossOrigin()
{
    var req = new XMLHttpRequest;
    req.open("get", "http://localhost:8000/cache/resources/xhr-vary-header-response.php");
    req.onload=function() { receivedResponse(req.responseText) }
    req.send();
}

function testSameOrigin()
{
    frames[0].postMessage("", "http://localhost:8000");
}

function receivedResponse(text)
{
    window.responseText = text;
    switch (testStep) {
        case 1:
            shouldBe("responseText", "'Cross origin response'");
            testStep++;
            testSameOrigin();
            break;
        case 2:
            shouldBe("responseText", "'Same origin response'");
            testStep++;
            testCrossOrigin();
            break;
        case 3:
            shouldBe("responseText", "'Cross origin response'");
            finishJSTest();
            testStep++;
            break;
        default:
            debug(responseText);
            break;
    }
    delete window.responseText;
}

window.onmessage = function(msg) { receivedResponse(msg.data) }
window.onload = testCrossOrigin;

</script>

<button onclick="testCrossOrigin()">Make cross origin request</button>
<br>
<iframe src="http://localhost:8000/cache/resources/xhr-vary-header-subframe.html" frameborder=0 height=50></iframe>
<pre id=console></pre>
<script src="/js-test-resources/js-test-post.js"></script>