<!DOCTYPE html>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<script>
    description("Tests the value of xhr.response.constructor");
    jsTestIsAsync = true;

    window.addEventListener('load', function(){
        const iframe = document.createElement('iframe')
        iframe.src = 'resources/xhr-response-constructor-iframe.html'
        iframe.addEventListener('load', function(){
            xhr = new XMLHttpRequest()
            xhr.responseType = "json";
            xhr.open('GET', 'resources/data.json');
            iframe.contentWindow.setupListener(xhr)
            xhr.addEventListener('load', function() {
                debug("* In top frame");
                shouldBe("xhr.response.constructor", "top.Object");
                finishJSTest();
            });
            xhr.send('');

        });
        document.body.appendChild(iframe)
    });
</script>
</body>
</html>