mark-rushakoff/gist:1922091

## gistfile1.html
<html>
<head>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>

<script>
    google.load("jquery", "1.7.1");

    function findLeaks(jQuery) {
        var cache = {};
        jQuery.each(jQuery.cache, function(key, val) {
            cache[key] = val;
        });
        jQuery("*").each(function(i, el) {
            delete cache[el[jQuery.expando]];
        });

        return cache;
    }

    function jQueryIsClean(jQuery) {
        ok(jQuery.isEmptyObject(findLeaks(jQuery)), "expected no leaks in jQuery cache");
    }

    function jQueryHasLeak(jQuery) {
        ok(!jQuery.isEmptyObject(findLeaks(jQuery)), "expected leak in jQuery cache");
    }

    google.setOnLoadCallback(function () {
        test("the default state should be clean", function() {
            jQueryIsClean($);
        });

        test("cleaning up after a data should be clean", function() {
            jQueryIsClean($);
            var $div = $("<div/>");
            $div.data("foo", "bar");
            ok(!!$.cache[$div[0][$.expando]], "The element with data should be present in jQuery's cache");

            $div.remove();

            jQueryIsClean($);
        });

        test("it recognizes when there is a leak", function() {
            jQueryIsClean($);
            $("<div> <span/> </div>").find("span").data("foo", "bar");
            jQueryHasLeak($);
        });
    });
</script>

<link rel="stylesheet" href="http://code.jquery.com/qunit/git/qunit.css" type="text/css" media="screen" />
<script type="text/javascript" src="http://code.jquery.com/qunit/git/qunit.js"></script>

</head>
<body>
  <h1 id="qunit-header">QUnit example</h1>
 <h2 id="qunit-banner"></h2>
 <div id="qunit-testrunner-toolbar"></div>
 <h2 id="qunit-userAgent"></h2>
 <ol id="qunit-tests"></ol>
 <div id="qunit-fixture">test markup, will be hidden</div>

</body>
</html>
	<html>
	<head>
	<script type="text/javascript" src="https://www.google.com/jsapi"></script>

	<script>
	google.load("jquery", "1.7.1");

	function findLeaks(jQuery) {
	var cache = {};
	jQuery.each(jQuery.cache, function(key, val) {
	cache[key] = val;
	});
	jQuery("*").each(function(i, el) {
	delete cache[el[jQuery.expando]];
	});

	return cache;
	}

	function jQueryIsClean(jQuery) {
	ok(jQuery.isEmptyObject(findLeaks(jQuery)), "expected no leaks in jQuery cache");
	}

	function jQueryHasLeak(jQuery) {
	ok(!jQuery.isEmptyObject(findLeaks(jQuery)), "expected leak in jQuery cache");
	}

	google.setOnLoadCallback(function () {
	test("the default state should be clean", function() {
	jQueryIsClean($);
	});

	test("cleaning up after a data should be clean", function() {
	jQueryIsClean($);
	var $div = $("<div/>");
	$div.data("foo", "bar");
	ok(!!$.cache[$div[0][$.expando]], "The element with data should be present in jQuery's cache");

	$div.remove();

	jQueryIsClean($);
	});

	test("it recognizes when there is a leak", function() {
	jQueryIsClean($);
	$("<div> <span/> </div>").find("span").data("foo", "bar");
	jQueryHasLeak($);
	});
	});
	</script>

	<link rel="stylesheet" href="http://code.jquery.com/qunit/git/qunit.css" type="text/css" media="screen" />
	<script type="text/javascript" src="http://code.jquery.com/qunit/git/qunit.js"></script>

	</head>
	<body>
	<h1 id="qunit-header">QUnit example</h1>
	<h2 id="qunit-banner"></h2>
	<div id="qunit-testrunner-toolbar"></div>
	<h2 id="qunit-userAgent"></h2>
	<ol id="qunit-tests"></ol>
	<div id="qunit-fixture">test markup, will be hidden</div>

	</body>
	</html>