text: module("data", { teardown: moduleTeardown });
  
  test("expando", function(){
  	expect(1);
  
  	equal(jQuery.expando !== undefined, true, "jQuery is exposing the expando");
  });
  
  function dataTests( elem ) {
  	var dataObj, internalDataObj;
  
  	equal( jQuery.data(elem, "foo"), undefined, "No data exists initially" );
  	strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists initially" );
  
  	dataObj = jQuery.data(elem);
  	equal( typeof dataObj, "object", "Calling data with no args gives us a data object reference" );
  	strictEqual( jQuery.data(elem), dataObj, "Calling jQuery.data returns the same data object when called multiple times" );
  
  	strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists even when an empty data obj exists" );
  
  	dataObj["foo"] = "bar";
  	equal( jQuery.data(elem, "foo"), "bar", "Data is readable by jQuery.data when set directly on a returned data object" );
  
  	strictEqual( jQuery.hasData(elem), true, "jQuery.hasData agrees data exists when data exists" );
  
  	jQuery.data(elem, "foo", "baz");
  	equal( jQuery.data(elem, "foo"), "baz", "Data can be changed by jQuery.data" );
  	equal( dataObj["foo"], "baz", "Changes made through jQuery.data propagate to referenced data object" );
  
  	jQuery.data(elem, "foo", undefined);
  	equal( jQuery.data(elem, "foo"), "baz", "Data is not unset by passing undefined to jQuery.data" );
  
  	jQuery.data(elem, "foo", null);
  	strictEqual( jQuery.data(elem, "foo"), null, "Setting null using jQuery.data works OK" );
  
  	jQuery.data(elem, "foo", "foo1");
  
  	jQuery.data(elem, { "bar" : "baz", "boom" : "bloz" });
  	strictEqual( jQuery.data(elem, "foo"), "foo1", "Passing an object extends the data object instead of replacing it" );
  	equal( jQuery.data(elem, "boom"), "bloz", "Extending the data object works" );
  
  	jQuery._data(elem, "foo", "foo2", true);
  	equal( jQuery._data(elem, "foo"), "foo2", "Setting internal data works" );
  	equal( jQuery.data(elem, "foo"), "foo1", "Setting internal data does not override user data" );
  
  	internalDataObj = jQuery._data( elem );
  	ok( internalDataObj, "Internal data object exists" );
  	notStrictEqual( dataObj, internalDataObj, "Internal data object is not the same as user data object" );
  
  	strictEqual( elem.boom, undefined, "Data is never stored directly on the object" );
  
  	jQuery.removeData(elem, "foo");
  	strictEqual( jQuery.data(elem, "foo"), undefined, "jQuery.removeData removes single properties" );
  
  	jQuery.removeData(elem);
  	strictEqual( jQuery._data(elem), internalDataObj, "jQuery.removeData does not remove internal data if it exists" );
  
  	jQuery.data(elem, "foo", "foo1");
  	jQuery._data(elem, "foo", "foo2");
  
  	equal( jQuery.data(elem, "foo"), "foo1", "(sanity check) Ensure data is set in user data object" );
  	equal( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
  
  	strictEqual( jQuery._data(elem, jQuery.expando), undefined, "Removing the last item in internal data destroys the internal data object" );
  
  	jQuery._data(elem, "foo", "foo2");
  	equal( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
  
  	jQuery.removeData(elem, "foo");
  	equal( jQuery._data(elem, "foo"), "foo2", "(sanity check) jQuery.removeData for user data does not remove internal data" );
  }
  
  test("jQuery.data(div)", 25, function() {
  	var div = document.createElement("div");
  
  	dataTests( div );
  
  	// We stored one key in the private data
  	// assert that nothing else was put in there, and that that
  	// one stayed there.
  	QUnit.expectJqData( div, "foo" );
  });
  
  test("jQuery.data({})", 25, function() {
  	dataTests( {} );
  });
  
  test("jQuery.data(window)", 25, function() {
  	// remove bound handlers from window object to stop potential false positives caused by fix for #5280 in
  	// transports/xhr.js
  	jQuery( window ).off( "unload" );
  
  	dataTests( window );
  });
  
  test("jQuery.data(document)", 25, function() {
  	dataTests( document );
  
  	QUnit.expectJqData( document, "foo" );
  });
  
  test("Expando cleanup", 4, function() {
  	var expected, actual,
  		div = document.createElement("div");
  
  	function assertExpandoAbsent(message) {
  		if (jQuery.support.deleteExpando) {
  			expected = false;
  			actual = jQuery.expando in div;
  		} else {
  			expected = null;
  			actual = div[ jQuery.expando ];
  		}
  		equal( actual, expected, message );
  	}
  
  	assertExpandoAbsent("There is no expando on new elements");
  
  	jQuery.data(div, "foo", 100);
  	jQuery.data(div, "bar", 200);
  
  	ok(jQuery.expando in div, "There is an expando on the element after using $.data()");
  
  	jQuery.removeData(div, "foo");
  
  	ok(jQuery.expando in div, "There is still an expando on the element after removing (some) of the data");
  
  	jQuery.removeData(div, "bar");
  
  	assertExpandoAbsent("Removing the last item in the data store deletes the expando");
  
  	// Clean up unattached element
  	jQuery(div).remove();
  });
  
  test("Data is not being set on comment and text nodes", function() {
  	expect(2);
  
  	ok( !jQuery.hasData( jQuery("<!-- comment -->").data("foo", 0) ) );
  	ok( !jQuery.hasData( jQuery("<span>text</span>").contents().data("foo", 0) ) );
  
  });
  
  test("jQuery.acceptData", function() {
  	expect( 10 );
  
  	var flash, pdf;
  
  	ok( jQuery.acceptData( document ), "document" );
  	ok( jQuery.acceptData( document.documentElement ), "documentElement" );
  	ok( jQuery.acceptData( {} ), "object" );
  	ok( !jQuery.acceptData( document.createElement( "embed" ) ), "embed" );
  
  	flash = document.createElement( "object" );
  	flash.setAttribute( "classid", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" );
  	ok( jQuery.acceptData( flash ), "flash" );
  
  	pdf = document.createElement( "object" );
  	pdf.setAttribute( "classid", "clsid:CA8A9780-280D-11CF-A24D-444553540000" );
  	ok( !jQuery.acceptData( pdf ), "pdf" );
  
  	ok( !jQuery.acceptData( document.createComment( "" ) ), "comment" );
  	ok( !jQuery.acceptData( document.createTextNode( "" ) ), "text" );
  	ok( !jQuery.acceptData( document.createDocumentFragment() ), "documentFragment" );
  
  	ok( jQuery.acceptData(
  		jQuery( "#form" ).append( "<input id='nodeType'/><input id='nodeName'/>" )[ 0 ] ),
  		"form with aliased DOM properties" );
  });
  
  // attempting to access the data of an undefined jQuery element should be undefined
  test("jQuery().data() === undefined (#14101)", 2, function() {
  	strictEqual(jQuery().data(), undefined);
  	strictEqual(jQuery().data("key"), undefined);
  });
  
  test(".data()", function() {
  	expect(5);
  
  	var div, dataObj, nodiv, obj;
  
  	div = jQuery("#foo");
  	strictEqual( div.data("foo"), undefined, "Make sure that missing result is undefined" );
  	div.data("test", "success");
  
  	dataObj = div.data();
  
  	deepEqual( dataObj, {test: "success"}, "data() returns entire data object with expected properties" );
  	strictEqual( div.data("foo"), undefined, "Make sure that missing result is still undefined" );
  
  	nodiv = jQuery("#unfound");
  	equal( nodiv.data(), null, "data() on empty set returns null" );
  
  	obj = { foo: "bar" };
  	jQuery(obj).data("foo", "baz");
  
  	dataObj = jQuery.extend(true, {}, jQuery(obj).data());
  
  	deepEqual( dataObj, { "foo": "baz" }, "Retrieve data object from a wrapped JS object (#7524)" );
  });
  
  function testDataTypes( $obj ) {
  	jQuery.each({
  		"null": null,
  		"true": true,
  		"false": false,
  		"zero": 0,
  		"one": 1,
  		"empty string": "",
  		"empty array": [],
  		"array": [1],
  		"empty object": {},
  		"object": { foo: "bar" },
  		"date": new Date(),
  		"regex": /test/,
  		"function": function() {}
  	}, function( type, value ) {
  		strictEqual( $obj.data( "test", value ).data("test"), value, "Data set to " + type );
  	});
  }
  
  test("jQuery(Element).data(String, Object).data(String)", function() {
  	expect( 18 );
  	var parent = jQuery("<div><div></div></div>"),
  		div = parent.children();
  
  	strictEqual( div.data("test"), undefined, "No data exists initially" );
  	strictEqual( div.data("test", "success").data("test"), "success", "Data added" );
  	strictEqual( div.data("test", "overwritten").data("test"), "overwritten", "Data overwritten" );
  	strictEqual( div.data("test", undefined).data("test"), "overwritten", ".data(key,undefined) does nothing but is chainable (#5571)");
  	strictEqual( div.data("notexist"), undefined, "No data exists for unset key" );
  	testDataTypes( div );
  
  	parent.remove();
  });
  
  test("jQuery(plain Object).data(String, Object).data(String)", function() {
  	expect( 16 );
  
  	// #3748
  	var $obj = jQuery({ exists: true });
  	strictEqual( $obj.data("nothing"), undefined, "Non-existent data returns undefined");
  	strictEqual( $obj.data("exists"), undefined, "Object properties are not returned as data" );
  	testDataTypes( $obj );
  
  	// Clean up
  	$obj.removeData();
  	deepEqual( $obj[0], { exists: true }, "removeData does not clear the object" );
  });
  
  test("data-* attributes", function() {
  	expect( 43 );
  
  	var prop, i, l, metadata, elem,
  		obj, obj2, check, num, num2,
  		parseJSON = jQuery.parseJSON,
  		div = jQuery("<div>"),
  		child = jQuery("<div data-myobj='old data' data-ignored=\"DOM\" data-other='test'></div>"),
  		dummy = jQuery("<div data-myobj='old data' data-ignored=\"DOM\" data-other='test'></div>");
  
  	equal( div.data("attr"), undefined, "Check for non-existing data-attr attribute" );
  
  	div.attr("data-attr", "exists");
  	equal( div.data("attr"), "exists", "Check for existing data-attr attribute" );
  
  	div.attr("data-attr", "exists2");
  	equal( div.data("attr"), "exists", "Check that updates to data- don't update .data()" );
  
  	div.data("attr", "internal").attr("data-attr", "external");
  	equal( div.data("attr"), "internal", "Check for .data('attr') precedence (internal > external data-* attribute)" );
  
  	div.remove();
  
  	child.appendTo("#qunit-fixture");
  	equal( child.data("myobj"), "old data", "Value accessed from data-* attribute");
  
  	child.data("myobj", "replaced");
  	equal( child.data("myobj"), "replaced", "Original data overwritten");
  
  	child.data("ignored", "cache");
  	equal( child.data("ignored"), "cache", "Cached data used before DOM data-* fallback");
  
  	obj = child.data();
  	obj2 = dummy.data();
  	check = [ "myobj", "ignored", "other" ];
  	num = 0;
  	num2 = 0;
  
  	dummy.remove();
  
  	for ( i = 0, l = check.length; i < l; i++ ) {
  		ok( obj[ check[i] ], "Make sure data- property exists when calling data-." );
  		ok( obj2[ check[i] ], "Make sure data- property exists when calling data-." );
  	}
  
  	for ( prop in obj ) {
  		num++;
  	}
  
  	equal( num, check.length, "Make sure that the right number of properties came through." );
  
  	for ( prop in obj2 ) {
  		num2++;
  	}
  
  	equal( num2, check.length, "Make sure that the right number of properties came through." );
  
  	child.attr("data-other", "newvalue");
  
  	equal( child.data("other"), "test", "Make sure value was pulled in properly from a .data()." );
  
  	// attribute parsing
  	i = 0;
  	jQuery.parseJSON = function() {
  		i++;
  		return parseJSON.apply( this, arguments );
  	};
  
  	child
  		.attr("data-true", "true")
  		.attr("data-false", "false")
  		.attr("data-five", "5")
  		.attr("data-point", "5.5")
  		.attr("data-pointe", "5.5E3")
  		.attr("data-grande", "5.574E9")
  		.attr("data-hexadecimal", "0x42")
  		.attr("data-pointbad", "5..5")
  		.attr("data-pointbad2", "-.")
  		.attr("data-bigassnum", "123456789123456789123456789")
  		.attr("data-badjson", "{123}")
  		.attr("data-badjson2", "[abc]")
  		.attr("data-notjson", " {}")
  		.attr("data-notjson2", "[] ")
  		.attr("data-empty", "")
  		.attr("data-space", " ")
  		.attr("data-null", "null")
  		.attr("data-string", "test");
  
  	strictEqual( child.data("true"), true, "Primitive true read from attribute");
  	strictEqual( child.data("false"), false, "Primitive false read from attribute");
  	strictEqual( child.data("five"), 5, "Integer read from attribute");
  	strictEqual( child.data("point"), 5.5, "Floating-point number read from attribute");
  	strictEqual( child.data("pointe"), "5.5E3",
  		"Exponential-notation number read from attribute as string");
  	strictEqual( child.data("grande"), "5.574E9",
  		"Big exponential-notation number read from attribute as string");
  	strictEqual( child.data("hexadecimal"), "0x42",
  		"Hexadecimal number read from attribute as string");
  	strictEqual( child.data("pointbad"), "5..5",
  		"Extra-point non-number read from attribute as string");
  	strictEqual( child.data("pointbad2"), "-.",
  		"No-digit non-number read from attribute as string");
  	strictEqual( child.data("bigassnum"), "123456789123456789123456789",
  		"Bad bigass number read from attribute as string");
  	strictEqual( child.data("badjson"), "{123}", "Bad JSON object read from attribute as string");
  	strictEqual( child.data("badjson2"), "[abc]", "Bad JSON array read from attribute as string");
  	strictEqual( child.data("notjson"), " {}",
  		"JSON object with leading non-JSON read from attribute as string");
  	strictEqual( child.data("notjson2"), "[] ",
  		"JSON array with trailing non-JSON read from attribute as string");
  	strictEqual( child.data("empty"), "", "Empty string read from attribute");
  	strictEqual( child.data("space"), " ", "Whitespace string read from attribute");
  	strictEqual( child.data("null"), null, "Primitive null read from attribute");
  	strictEqual( child.data("string"), "test", "Typical string read from attribute");
  	equal( i, 2, "Correct number of JSON parse attempts when reading from attributes" );
  
  	jQuery.parseJSON = parseJSON;
  	child.remove();
  
  	// tests from metadata plugin
  	function testData(index, elem) {
  		switch (index) {
  		case 0:
  			equal(jQuery(elem).data("foo"), "bar", "Check foo property");
  			equal(jQuery(elem).data("bar"), "baz", "Check baz property");
  			break;
  		case 1:
  			equal(jQuery(elem).data("test"), "bar", "Check test property");
  			equal(jQuery(elem).data("bar"), "baz", "Check bar property");
  			break;
  		case 2:
  			equal(jQuery(elem).data("zoooo"), "bar", "Check zoooo property");
  			deepEqual(jQuery(elem).data("bar"), {"test":"baz"}, "Check bar property");
  			break;
  		case 3:
  			equal(jQuery(elem).data("number"), true, "Check number property");
  			deepEqual(jQuery(elem).data("stuff"), [2,8], "Check stuff property");
  			break;
  		default:
  			ok(false, ["Assertion failed on index ", index, ", with data"].join(""));
  		}
  	}
  
  	metadata = "<ol><li class='test test2' data-foo='bar' data-bar='baz' data-arr='[1,2]'>Some stuff</li><li class='test test2' data-test='bar' data-bar='baz'>Some stuff</li><li class='test test2' data-zoooo='bar' data-bar='{\"test\":\"baz\"}'>Some stuff</li><li class='test test2' data-number=true data-stuff='[2,8]'>Some stuff</li></ol>";
  	elem = jQuery(metadata).appendTo("#qunit-fixture");
  
  	elem.find("li").each(testData);
  	elem.remove();
  });
  
  test(".data(Object)", function() {
  	expect(4);
  
  	var obj, jqobj,
  		div = jQuery("<div/>");
  
  	div.data({ "test": "in", "test2": "in2" });
  	equal( div.data("test"), "in", "Verify setting an object in data" );
  	equal( div.data("test2"), "in2", "Verify setting an object in data" );
  
  	obj = {test:"unset"};
  	jqobj = jQuery(obj);
  
  	jqobj.data("test", "unset");
  	jqobj.data({ "test": "in", "test2": "in2" });
  	equal( jQuery.data(obj)["test"], "in", "Verify setting an object on an object extends the data object" );
  	equal( obj["test2"], undefined, "Verify setting an object on an object does not extend the object" );
  
  	// manually clean up detached elements
  	div.remove();
  });
  
  test("jQuery.removeData", function() {
  	expect(10);
  
  	var obj,
  		div = jQuery("#foo")[0];
  	jQuery.data(div, "test", "testing");
  	jQuery.removeData(div, "test");
  	equal( jQuery.data(div, "test"), undefined, "Check removal of data" );
  
  	jQuery.data(div, "test2", "testing");
  	jQuery.removeData( div );
  	ok( !jQuery.data(div, "test2"), "Make sure that the data property no longer exists." );
  	ok( !div[ jQuery.expando ], "Make sure the expando no longer exists, as well." );
  
  	jQuery.data(div, {
  		test3: "testing",
  		test4: "testing"
  	});
  	jQuery.removeData( div, "test3 test4" );
  	ok( !jQuery.data(div, "test3") || jQuery.data(div, "test4"), "Multiple delete with spaces." );
  
  	jQuery.data(div, {
  		test3: "testing",
  		test4: "testing"
  	});
  	jQuery.removeData( div, [ "test3", "test4" ] );
  	ok( !jQuery.data(div, "test3") || jQuery.data(div, "test4"), "Multiple delete by array." );
  
  	jQuery.data(div, {
  		"test3 test4": "testing",
  		"test3": "testing"
  	});
  	jQuery.removeData( div, "test3 test4" );
  	ok( !jQuery.data(div, "test3 test4"), "Multiple delete with spaces deleted key with exact name" );
  	ok( jQuery.data(div, "test3"), "Left the partial matched key alone" );
  
  	obj = {};
  	jQuery.data(obj, "test", "testing");
  	equal( jQuery(obj).data("test"), "testing", "verify data on plain object");
  	jQuery.removeData(obj, "test");
  	equal( jQuery.data(obj, "test"), undefined, "Check removal of data on plain object" );
  
  	jQuery.data( window, "BAD", true );
  	jQuery.removeData( window, "BAD" );
  	ok( !jQuery.data( window, "BAD" ), "Make sure that the value was not still set." );
  });
  
  test(".removeData()", function() {
  	expect(6);
  	var div = jQuery("#foo");
  	div.data("test", "testing");
  	div.removeData("test");
  	equal( div.data("test"), undefined, "Check removal of data" );
  
  	div.data("test", "testing");
  	div.data("test.foo", "testing2");
  	div.removeData("test.bar");
  	equal( div.data("test.foo"), "testing2", "Make sure data is intact" );
  	equal( div.data("test"), "testing", "Make sure data is intact" );
  
  	div.removeData("test");
  	equal( div.data("test.foo"), "testing2", "Make sure data is intact" );
  	equal( div.data("test"), undefined, "Make sure data is intact" );
  
  	div.removeData("test.foo");
  	equal( div.data("test.foo"), undefined, "Make sure data is intact" );
  });
  
  if (window.JSON && window.JSON.stringify) {
  	test("JSON serialization (#8108)", function () {
  		expect(1);
  
  		var obj = { "foo": "bar" };
  		jQuery.data(obj, "hidden", true);
  
  		equal( JSON.stringify(obj), "{\"foo\":\"bar\"}", "Expando is hidden from JSON.stringify" );
  	});
  }
  
  test("jQuery.data should follow html5 specification regarding camel casing", function() {
  	expect(10);
  
  	var div = jQuery("<div id='myObject' data-w-t-f='ftw' data-big-a-little-a='bouncing-b' data-foo='a' data-foo-bar='b' data-foo-bar-baz='c'></div>")
  		.prependTo("body");
  
  	equal( div.data()["wTF"], "ftw", "Verify single letter data-* key" );
  	equal( div.data()["bigALittleA"], "bouncing-b", "Verify single letter mixed data-* key" );
  
  	equal( div.data()["foo"], "a", "Verify single word data-* key" );
  	equal( div.data()["fooBar"], "b", "Verify multiple word data-* key" );
  	equal( div.data()["fooBarBaz"], "c", "Verify multiple word data-* key" );
  
  	equal( div.data("foo"), "a", "Verify single word data-* key" );
  	equal( div.data("fooBar"), "b", "Verify multiple word data-* key" );
  	equal( div.data("fooBarBaz"), "c", "Verify multiple word data-* key" );
  
  	div.data("foo-bar", "d");
  
  	equal( div.data("fooBar"), "d", "Verify updated data-* key" );
  	equal( div.data("foo-bar"), "d", "Verify updated data-* key" );
  
  	div.remove();
  });
  
  test("jQuery.data should not miss data with preset hyphenated property names", function() {
  
  	expect(2);
  
  	var div = jQuery("<div/>", { id: "hyphened" }).appendTo("#qunit-fixture"),
  		test = {
  			"camelBar": "camelBar",
  			"hyphen-foo": "hyphen-foo"
  		};
  
  	div.data( test );
  
  	jQuery.each( test , function(i, k) {
  		equal( div.data(k), k, "data with property '"+k+"' was correctly found");
  	});
  });
  
  test("jQuery.data supports interoperable hyphenated/camelCase get/set of properties with arbitrary non-null|NaN|undefined values", function() {
  
  	var div = jQuery("<div/>", { id: "hyphened" }).appendTo("#qunit-fixture"),
  		datas = {
  			"non-empty": "a string",
  			"empty-string": "",
  			"one-value": 1,
  			"zero-value": 0,
  			"an-array": [],
  			"an-object": {},
  			"bool-true": true,
  			"bool-false": false,
  			// JSHint enforces double quotes,
  			// but JSON strings need double quotes to parse
  			// so we need escaped double quotes here
  			"some-json": "{ \"foo\": \"bar\" }",
  			"num-1-middle": true,
  			"num-end-2": true,
  			"2-num-start": true
  		};
  
  	expect( 24 );
  
  	jQuery.each( datas, function( key, val ) {
  		div.data( key, val );
  
  		deepEqual( div.data( key ), val, "get: " + key );
  		deepEqual( div.data( jQuery.camelCase( key ) ), val, "get: " + jQuery.camelCase( key ) );
  	});
  });
  
  test("jQuery.data supports interoperable removal of hyphenated/camelCase properties", function() {
  	var div = jQuery("<div/>", { id: "hyphened" }).appendTo("#qunit-fixture"),
  		datas = {
  			"non-empty": "a string",
  			"empty-string": "",
  			"one-value": 1,
  			"zero-value": 0,
  			"an-array": [],
  			"an-object": {},
  			"bool-true": true,
  			"bool-false": false,
  			// JSHint enforces double quotes,
  			// but JSON strings need double quotes to parse
  			// so we need escaped double quotes here
  			"some-json": "{ \"foo\": \"bar\" }"
  		};
  
  	expect( 27 );
  
  	jQuery.each( datas, function( key, val ) {
  		div.data( key, val );
  
  		deepEqual( div.data( key ), val, "get: " + key );
  		deepEqual( div.data( jQuery.camelCase( key ) ), val, "get: " + jQuery.camelCase( key ) );
  
  		div.removeData( key );
  
  		equal( div.data( key ), undefined, "get: " + key );
  
  	});
  });
  
  test( ".removeData supports removal of hyphenated properties via array (#12786)", function() {
  	expect( 4 );
  
  	var div, plain, compare;
  
  	div = jQuery("<div>").appendTo("#qunit-fixture");
  	plain = jQuery({});
  
  	// When data is batch assigned (via plain object), the properties
  	// are not camel cased as they are with (property, value) calls
  	compare = {
  		// From batch assignment .data({ "a-a": 1 })
  		"a-a": 1,
  		// From property, value assignment .data( "b-b", 1 )
  		"bB": 1
  	};
  
  	// Mixed assignment
  	div.data({ "a-a": 1 }).data( "b-b", 1 );
  	plain.data({ "a-a": 1 }).data( "b-b", 1 );
  
  	deepEqual( div.data(), compare, "Data appears as expected. (div)" );
  	deepEqual( plain.data(), compare, "Data appears as expected. (plain)" );
  
  	div.removeData([ "a-a", "b-b" ]);
  	plain.removeData([ "a-a", "b-b" ]);
  
  	// NOTE: Timo's proposal for "propEqual" (or similar) would be nice here
  	deepEqual( div.data(), {}, "Data is empty. (div)" );
  	deepEqual( plain.data(), {}, "Data is empty. (plain)" );
  });
  
  // Test originally by Moschel
  test("Triggering the removeData should not throw exceptions. (#10080)", function() {
  	expect(1);
  	stop();
  	var frame = jQuery("#loadediframe");
  	jQuery(frame[0].contentWindow).on("unload", function() {
  		ok(true, "called unload");
  		start();
  	});
  	// change the url to trigger unload
  	frame.attr("src", "data/iframe.html?param=true");
  });
  
  test( "Only check element attributes once when calling .data() - #8909", function() {
  	expect( 2 );
  	var testing = {
  			"test": "testing",
  			"test2": "testing"
  		},
  		element = jQuery( "<div data-test='testing'>" ),
  		node = element[ 0 ];
  
  	// set an attribute using attr to ensure it
  	node.setAttribute( "data-test2", "testing" );
  	deepEqual( element.data(), testing, "Sanity Check" );
  
  	node.setAttribute( "data-test3", "testing" );
  	deepEqual( element.data(), testing, "The data didn't change even though the data-* attrs did" );
  
  	// clean up data cache
  	element.remove();
  });
  
  test( "JSON data- attributes can have newlines", function() {
  	expect(1);
  
  	var x = jQuery("<div data-some='{\n\"foo\":\n\t\"bar\"\n}'></div>");
  	equal( x.data("some").foo, "bar", "got a JSON data- attribute with spaces" );
  	x.remove();
  });
  
  testIframeWithCallback( "enumerate data attrs on body (#14894)", "data/dataAttrs.html", function( result ) {
  	expect(1);
  
  	equal(result, "ok", "enumeration of data- attrs on body" );
  });
  