<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body>
<script>
(function() {
    "use strict";

    let fakeXHRCreated = false;

    function createXHR() {
        let xhr = new window.XMLHttpRequest();
    }

    for (let i = 0; i < 1000; i++) {
        createXHR();
    }

    // Overwrite XMLHttpRequest
    window.XMLHttpRequest = function() {
        fakeXHRCreated = true;
    }

    createXHR();

    if (fakeXHRCreated)
        testPassed("Overrode XMLHttpRequest");
    else
        testFailed("Did not override XMLHttpRequest");
})();
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>