jquery/test/unit/effects.js

if ( jQuery.fx ) {

module("effects", { teardown: moduleTeardown });

test("sanity check", function() {
	expect(1);
	ok( jQuery("#dl:visible, #qunit-fixture:visible, #foo:visible").length === 3, "QUnit state is correct for testing effects" );
});

test("show()", function() {
	expect(26);

	var hiddendiv = jQuery("div.hidden");

	hiddendiv.hide().show();

	equal( hiddendiv.css("display"), "block", "Make sure a pre-hidden div is visible." );

	var div = jQuery("<div>").hide().appendTo("#qunit-fixture").show();

	equal( div.css("display"), "block", "Make sure pre-hidden divs show" );

	QUnit.reset();

	hiddendiv = jQuery("div.hidden");

	equal(jQuery.css( hiddendiv[0], "display"), "none", "hiddendiv is display: none");

	hiddendiv.css("display", "block");
	equal(jQuery.css( hiddendiv[0], "display"), "block", "hiddendiv is display: block");

	hiddendiv.show();
	equal(jQuery.css( hiddendiv[0], "display"), "block", "hiddendiv is display: block");

	hiddendiv.css("display","");

	var pass = true;
	div = jQuery("#qunit-fixture div");
	div.show().each(function(){
		if ( this.style.display == "none" ) pass = false;
	});
	ok( pass, "Show" );

	var speeds = {
		"null speed": null,
		"undefined speed": undefined,
		"false speed": false
	};

	jQuery.each(speeds, function(name, speed) {
		pass = true;
		div.hide().show(speed).each(function() {
			if ( this.style.display == "none" ) pass = false;
		});
		ok( pass, "Show with " + name);
	});

	jQuery.each(speeds, function(name, speed) {
	pass = true;
	div.hide().show(speed, function() {
			pass = false;
		});
		ok( pass, "Show with " + name + " does not call animate callback" );
	});

	// #show-tests * is set display: none in CSS
	jQuery("#qunit-fixture").append("<div id='show-tests'><div><p><a href='#'></a></p><code></code><pre></pre><span></span></div><table><thead><tr><th></th></tr></thead><tbody><tr><td></td></tr></tbody></table><ul><li></li></ul></div><table id='test-table'></table>");

	var old = jQuery("#test-table").show().css("display") !== "table";
	jQuery("#test-table").remove();

	var test = {
		"div"      : "block",
		"p"        : "block",
		"a"        : "inline",
		"code"     : "inline",
		"pre"      : "block",
		"span"     : "inline",
		"table"    : old ? "block" : "table",
		"thead"    : old ? "block" : "table-header-group",
		"tbody"    : old ? "block" : "table-row-group",
		"tr"       : old ? "block" : "table-row",
		"th"       : old ? "block" : "table-cell",
		"td"       : old ? "block" : "table-cell",
		"ul"       : "block",
		"li"       : old ? "block" : "list-item"
	};

	jQuery.each(test, function(selector, expected) {
		var elem = jQuery(selector, "#show-tests").show();
		equal( elem.css("display"), expected, "Show using correct display type for " + selector );
	});

	// Make sure that showing or hiding a text node doesn't cause an error
	jQuery("<div>test</div> text <span>test</span>").show().remove();
	jQuery("<div>test</div> text <span>test</span>").hide().remove();
});

test("show(Number) - other displays", function() {
	expect(15);
	QUnit.reset();
	stop();

	// #show-tests * is set display: none in CSS
	jQuery("#qunit-fixture").append("<div id='show-tests'><div><p><a href='#'></a></p><code></code><pre></pre><span></span></div><table><thead><tr><th></th></tr></thead><tbody><tr><td></td></tr></tbody></table><ul><li></li></ul></div><table id='test-table'></table>");

	var old = jQuery("#test-table").show().css("display") !== "table",
		num = 0;
	jQuery("#test-table").remove();

	var test = {
		"div"      : "block",
		"p"        : "block",
		"a"        : "inline",
		"code"     : "inline",
		"pre"      : "block",
		"span"     : "inline",
		"table"    : old ? "block" : "table",
		"thead"    : old ? "block" : "table-header-group",
		"tbody"    : old ? "block" : "table-row-group",
		"tr"       : old ? "block" : "table-row",
		"th"       : old ? "block" : "table-cell",
		"td"       : old ? "block" : "table-cell",
		"ul"       : "block",
		"li"       : old ? "block" : "list-item"
	};

	jQuery.each(test, function(selector, expected) {
		var elem = jQuery(selector, "#show-tests").show(1, function() {
			equal( elem.css("display"), expected, "Show using correct display type for " + selector );
			if ( ++num === 15 ) {
				start();
			}
		});
	});
});



// Supports #7397
test("Persist correct display value", function() {
	expect(3);
	QUnit.reset();
	stop();

	// #show-tests * is set display: none in CSS
	jQuery("#qunit-fixture").append("<div id='show-tests'><span style='position:absolute;'>foo</span></div>");

	var $span = jQuery("#show-tests span"),
		displayNone = $span.css("display"),
		display = "", num = 0;

	$span.show();

	display = $span.css("display");

	$span.hide();

	$span.fadeIn(100, function() {
		equal($span.css("display"), display, "Expecting display: " + display);
		$span.fadeOut(100, function () {
			equal($span.css("display"), displayNone, "Expecting display: " + displayNone);
			$span.fadeIn(100, function() {
				equal($span.css("display"), display, "Expecting display: " + display);
				start();
			});
		});
	});
});

test("animate(Hash, Object, Function)", function() {
	expect(1);
	stop();
	var hash = {opacity: "show"};
	var hashCopy = jQuery.extend({}, hash);
	jQuery("#foo").animate(hash, 0, function() {
		equal( hash.opacity, hashCopy.opacity, "Check if animate changed the hash parameter" );
		start();
	});
});

test("animate negative height", function() {
	expect(1);
	stop();
	jQuery("#foo").animate({ height: -100 }, 100, function() {
		equal( this.offsetHeight, 0, "Verify height." );
		start();
	});
});

test("animate negative margin", function() {
	expect(1);
	stop();
	jQuery("#foo").animate({ marginTop: -100 }, 100, function() {
		equal( jQuery(this).css("marginTop"), "-100px", "Verify margin." );
		start();
	});
});

test("animate negative padding", function() {
	expect(1);
	stop();
	jQuery("#foo").animate({ paddingBottom: -100 }, 100, function() {
		equal( jQuery(this).css("paddingBottom"), "0px", "Verify paddingBottom." );
		start();
	});
});

test("animate block as inline width/height", function() {
	expect(3);

	var span = jQuery("<span>").css("display", "inline-block").appendTo("body"),
		expected = span.css("display");

	span.remove();

	if ( jQuery.support.inlineBlockNeedsLayout || expected === "inline-block" ) {
		stop();

		jQuery("#foo").css({ display: "inline", width: "", height: "" }).animate({ width: 42, height: 42 }, 100, function() {
			equal( jQuery(this).css("display"), jQuery.support.inlineBlockNeedsLayout ? "inline" : "inline-block", "inline-block was set on non-floated inline element when animating width/height" );
			equal( this.offsetWidth, 42, "width was animated" );
			equal( this.offsetHeight, 42, "height was animated" );
			start();
		});

	// Browser doesn't support inline-block
	} else {
		ok( true, "Browser doesn't support inline-block" );
		ok( true, "Browser doesn't support inline-block" );
		ok( true, "Browser doesn't support inline-block" );
	}
});

test("animate native inline width/height", function() {
	expect(3);

	var span = jQuery("<span>").css("display", "inline-block").appendTo("body"),
		expected = span.css("display");

	span.remove();

	if ( jQuery.support.inlineBlockNeedsLayout || expected === "inline-block" ) {
		stop();
		jQuery("#foo").css({ display: "", width: "", height: "" })
			.append("<span>text</span>")
			.children("span")
				.animate({ width: 42, height: 42 }, 100, function() {
					equal( jQuery(this).css("display"), "inline-block", "inline-block was set on non-floated inline element when animating width/height" );
					equal( this.offsetWidth, 42, "width was animated" );
					equal( this.offsetHeight, 42, "height was animated" );
					start();
				});

	// Browser doesn't support inline-block
	} else {
		ok( true, "Browser doesn't support inline-block" );
		ok( true, "Browser doesn't support inline-block" );
		ok( true, "Browser doesn't support inline-block" );
	}
});

test("animate block width/height", function() {
	expect(3);
	stop();
	jQuery("#foo").css({ display: "block", width: 20, height: 20 }).animate({ width: 42, height: 42 }, 100, function() {
		equal( jQuery(this).css("display"), "block", "inline-block was not set on block element when animating width/height" );
		equal( this.offsetWidth, 42, "width was animated" );
		equal( this.offsetHeight, 42, "height was animated" );
		start();
	});
});

test("animate table width/height", function() {
	expect(1);
	stop();

	var displayMode = jQuery("#table").css("display") !== "table" ? "block" : "table";

	jQuery("#table").animate({ width: 42, height: 42 }, 100, function() {
		equal( jQuery(this).css("display"), displayMode, "display mode is correct" );
		start();
	});
});

test("animate table-row width/height", function() {
	expect(3);
	stop();
	var tr = jQuery("#table")
		.attr({ "cellspacing": 0, "cellpadding": 0, "border": 0 })
		.html("<tr style='height:42px;'><td style='padding:0;'><div style='width:20px;height:20px;'></div></td></tr>")
		.find("tr");

	// IE<8 uses "block" instead of the correct display type
	var displayMode = tr.css("display") !== "table-row" ? "block" : "table-row";

	tr.animate({ width: 10, height: 10 }, 100, function() {
		equal( jQuery(this).css("display"), displayMode, "display mode is correct" );
		equal( this.offsetWidth, 20, "width animated to shrink wrap point" );
		equal( this.offsetHeight, 20, "height animated to shrink wrap point" );
		start();
	});
});

test("animate table-cell width/height", function() {
	expect(3);
	stop();
	var td = jQuery("#table")
		.attr({ "cellspacing": 0, "cellpadding": 0, "border": 0 })
		.html("<tr><td style='width:42px;height:42px;padding:0;'><div style='width:20px;height:20px;'></div></td></tr>")
		.find("td");

	// IE<8 uses "block" instead of the correct display type
	var displayMode = td.css("display") !== "table-cell" ? "block" : "table-cell";

	td.animate({ width: 10, height: 10 }, 100, function() {
		equal( jQuery(this).css("display"), displayMode, "display mode is correct" );
		equal( this.offsetWidth, 20, "width animated to shrink wrap point" );
		equal( this.offsetHeight, 20, "height animated to shrink wrap point" );
		start();
	});
});

test("animate percentage(%) on width/height", function() {
	expect( 2 );

	var $div = jQuery("<div style='position:absolute;top:-999px;left:-999px;width:60px;height:60px;'><div style='width:50%;height:50%;'></div></div>")
		.appendTo("#qunit-fixture").children("div");

	stop();
	$div.animate({ width: "25%", height: "25%" }, 13, function() {
		var $this = jQuery(this);
		equal( $this.width(), 15, "Width was animated to 15px rather than 25px");
		equal( $this.height(), 15, "Height was animated to 15px rather than 25px");
		start();
	});
});

test("animate resets overflow-x and overflow-y when finished", function() {
	expect(2);
	stop();
	jQuery("#foo")
		.css({ display: "block", width: 20, height: 20, overflowX: "visible", overflowY: "auto" })
		.animate({ width: 42, height: 42 }, 100, function() {
			equal( this.style.overflowX, "visible", "overflow-x is visible" );
			equal( this.style.overflowY, "auto", "overflow-y is auto" );
			start();
		});
});

/* // This test ends up being flaky depending upon the CPU load
test("animate option (queue === false)", function () {
	expect(1);
	stop();

	var order = [];

	var $foo = jQuery("#foo");
	$foo.animate({width:"100px"}, 3000, function () {
		// should finish after unqueued animation so second
		order.push(2);
		deepEqual( order, [ 1, 2 ], "Animations finished in the correct order" );
		start();
	});
	$foo.animate({fontSize:"2em"}, {queue:false, duration:10, complete:function () {
		// short duration and out of queue so should finish first
		order.push(1);
	}});
});
*/

asyncTest( "animate option { queue: false }", function() {
	expect( 2 );
	var foo = jQuery( "#foo" );

	foo.animate({
		fontSize: "2em"
	}, {
		queue: false,
		duration: 10,
		complete: function() {
			ok( true, "Animation Completed" );
			start();
		}
	});

	equal( foo.queue().length, 0, "Queue is empty" );
});

asyncTest( "animate option { queue: true }", function() {
	expect( 2 );
	var foo = jQuery( "#foo" );

	foo.animate({
		fontSize: "2em"
	}, {
		queue: true,
		duration: 10,
		complete: function() {
			ok( true, "Animation Completed" );
			start();
		}
	});

	notEqual( foo.queue().length, 0, "Default queue is not empty" );
});

asyncTest( "animate option { queue: 'name' }", function() {
	expect( 5 );
	var foo = jQuery( "#foo" ),
		origWidth = foo.width(),
		order = [];

	foo.animate( { width: origWidth + 100 }, {
		queue: 'name',
		duration: 1,
		complete: function() {

			// second callback function
			order.push( 2 );
			equal( foo.width(), origWidth + 100, "Animation ended" );
			equal( foo.queue("name").length, 1, "Queue length of 'name' queue" );
		}
	}).queue( "name", function( next ) {

		// last callback function
		deepEqual( order, [ 1, 2 ], "Callbacks in expected order" );
		start();
	});

	setTimeout( function() {

		// this is the first callback function that should be called
		order.push( 1 );
		equal( foo.width(), origWidth, "Animation does not start on its own." );
		equal( foo.queue("name").length, 2, "Queue length of 'name' queue" );
		foo.dequeue( "name" );
	}, 100 );

});

test("animate with no properties", function() {
	expect(2);

	var divs = jQuery("div"), count = 0;

	divs.animate({}, function(){
		count++;
	});

	equal( divs.length, count, "Make sure that callback is called for each element in the set." );

	stop();

	var foo = jQuery("#foo");

	foo.animate({});
	foo.animate({top: 10}, 100, function(){
		ok( true, "Animation was properly dequeued." );
		start();
	});
});

test("animate duration 0", function() {
	expect(11);

	stop();

	var $elems = jQuery([{ a:0 },{ a:0 }]), counter = 0;

	equal( jQuery.timers.length, 0, "Make sure no animation was running from another test" );

	$elems.eq(0).animate( {a:1}, 0, function(){
		ok( true, "Animate a simple property." );
		counter++;
	});

	// Failed until [6115]
	equal( jQuery.timers.length, 0, "Make sure synchronic animations are not left on jQuery.timers" );

	equal( counter, 1, "One synchronic animations" );

	$elems.animate( { a:2 }, 0, function(){
		ok( true, "Animate a second simple property." );
		counter++;
	});

	equal( counter, 3, "Multiple synchronic animations" );

	$elems.eq(0).animate( {a:3}, 0, function(){
		ok( true, "Animate a third simple property." );
		counter++;
	});
	$elems.eq(1).animate( {a:3}, 200, function(){
		counter++;
		// Failed until [6115]
		equal( counter, 5, "One synchronic and one asynchronic" );
		start();
	});

	var $elem = jQuery("<div />");
	$elem.show(0, function(){
		ok(true, "Show callback with no duration");
	});
	$elem.hide(0, function(){
		ok(true, "Hide callback with no duration");
	});

	// manually clean up detached elements
	$elem.remove();
});

test("animate hyphenated properties", function() {
	expect(1);
	stop();

	jQuery("#foo")
		.css("font-size", 10)
		.animate({"font-size": 20}, 200, function() {
			equal( this.style.fontSize, "20px", "The font-size property was animated." );
			start();
		});
});

test("animate non-element", function() {
	expect(1);
	stop();

	var obj = { test: 0 };

	jQuery(obj).animate({test: 200}, 200, function(){
		equal( obj.test, 200, "The custom property should be modified." );
		start();
	});
});

test("stop()", function() {
	expect(4);
	stop();

	var $foo = jQuery("#foo");
	var w = 0;

	$foo.hide().width(200)
		.animate({ width: "show" }, 1000);

	setTimeout(function() {
		var nw = $foo.width();
		notEqual( nw, w, "An animation occurred " + nw + "px " + w + "px");
		$foo.stop();

		nw = $foo.width();
		notEqual( nw, w, "Stop didn't reset the animation " + nw + "px " + w + "px");
		setTimeout(function() {
			$foo.removeData();
			$foo.removeData(undefined, true);
			equal( nw, $foo.width(), "The animation didn't continue" );
			start();
		}, 100);
	}, 100);

	var $one = jQuery("#fadein");
	var $two = jQuery("#show");
	$one.fadeTo(100, 0, function() {
		$one.stop();
	});
	setTimeout(function() {
		$two.fadeTo(100, 0, function() {
			equal( $two.css("opacity"), "0", "Stop does not interfere with animations on other elements (#6641)" );
			// Reset styles
			$one.add( $two ).css("opacity", "");
		});
	}, 50);
});

test("stop() - several in queue", function() {
	expect(3);
	stop();

	var $foo = jQuery("#foo");
	var w = 0;
	$foo.hide().width(200).width();

	$foo.animate({ width: "show" }, 1000);
	$foo.animate({ width: "hide" }, 1000);
	$foo.animate({ width: "show" }, 1000);
	setTimeout(function(){
		equal( $foo.queue().length, 3, "All 3 still in the queue" );
		var nw = $foo.width();
		notEqual( nw, w, "An animation occurred " + nw + "px " + w + "px");
		$foo.stop();

		nw = $foo.width();
		notEqual( nw, w, "Stop didn't reset the animation " + nw + "px " + w + "px");

		$foo.stop(true);
		start();
	}, 100);
});

test("stop(clearQueue)", function() {
	expect(4);
	stop();

	var $foo = jQuery("#foo");
	var w = 0;
	$foo.hide().width(200).width();

	$foo.animate({ width: "show" }, 1000);
	$foo.animate({ width: "hide" }, 1000);
	$foo.animate({ width: "show" }, 1000);
	setTimeout(function(){
		var nw = $foo.width();
		ok( nw != w, "An animation occurred " + nw + "px " + w + "px");
		$foo.stop(true);

		nw = $foo.width();
		ok( nw != w, "Stop didn't reset the animation " + nw + "px " + w + "px");

		equal( $foo.queue().length, 0, "The animation queue was cleared" );
		setTimeout(function(){
			equal( nw, $foo.width(), "The animation didn't continue" );
			start();
		}, 100);
	}, 100);
});

test("stop(clearQueue, gotoEnd)", function() {
	expect(1);
	stop();

	var $foo = jQuery("#foo");
	var w = 0;
	$foo.hide().width(200).width();

	$foo.animate({ width: "show" }, 1000);
	$foo.animate({ width: "hide" }, 1000);
	$foo.animate({ width: "show" }, 1000);
	$foo.animate({ width: "hide" }, 1000);
	setTimeout(function(){
		var nw = $foo.width();
		ok( nw != w, "An animation occurred " + nw + "px " + w + "px");
		$foo.stop(false, true);

		nw = $foo.width();
		// Disabled, being flaky
		//equal( nw, 1, "Stop() reset the animation" );

		setTimeout(function(){
			// Disabled, being flaky
			//equal( $foo.queue().length, 2, "The next animation continued" );
			$foo.stop(true);
			start();
		}, 100);
	}, 100);
});

asyncTest( "stop( queue, ..., ... ) - Stop single queues", function() {
	expect( 3 );
	var foo = jQuery( "#foo" ),
		saved;

	foo.width( 200 ).height( 200 );
	foo.animate({
		width: 400
	},{
		duration: 1000,
		complete: function() {
			equal( foo.width(), 400, "Animation completed for standard queue" );
			equal( foo.height(), saved, "Height was not changed after the second stop");
			start();
		}
	});

	foo.animate({
		height: 400
	},{
		duration: 1000,
		queue: "height"
	}).dequeue( "height" ).stop( "height", false, true );

	equal( foo.height(), 400, "Height was stopped with gotoEnd" );

	foo.animate({
		height: 200
	},{
		duration: 1000,
		queue: "height"
	}).dequeue( "height" ).stop( "height", false, false );
	saved = foo.height();
});

test("toggle()", function() {
	expect(6);
	var x = jQuery("#foo");
	ok( x.is(":visible"), "is visible" );
	x.toggle();
	ok( x.is(":hidden"), "is hidden" );
	x.toggle();
	ok( x.is(":visible"), "is visible again" );

	x.toggle(true);
	ok( x.is(":visible"), "is visible" );
	x.toggle(false);
	ok( x.is(":hidden"), "is hidden" );
	x.toggle(true);
	ok( x.is(":visible"), "is visible again" );
});

jQuery.checkOverflowDisplay = function(){
	var o = jQuery.css( this, "overflow" );

	equal(o, "visible", "Overflow should be visible: " + o);
	equal(jQuery.css( this, "display" ), "inline", "Display shouldn't be tampered with.");

	start();
};

test( "jQuery.fx.prototype.cur() - <1.8 Back Compat", 7, function() {
	var div = jQuery( "<div></div>" ).appendTo( "#qunit-fixture" ).css({
			color: "#ABC",
			border: "5px solid black",
			left: "auto",
			marginBottom: "-11000px"
		})[0];

	equal(
		( new jQuery.fx( div, {}, "color" ) ).cur(),
		jQuery.css( div, "color" ),
		"Return the same value as jQuery.css for complex properties (bug #7912)"
	);

	strictEqual(
		( new jQuery.fx( div, {}, "borderLeftWidth" ) ).cur(),
		5,
		"Return simple values parsed as Float"
	);

	// backgroundPosition actually returns 0% 0% in most browser
	// this fakes a "" return
	// hook now gets called twice because Tween will grab the current
	// value as it is being newed
	jQuery.cssHooks.backgroundPosition = {
		get: function() {
			ok( true, "hook used" );
			return "";
		}
	};

	strictEqual(
		( new jQuery.fx( div, {}, "backgroundPosition" ) ).cur(),
		0,
		"Return 0 when jQuery.css returns an empty string"
	);

	delete jQuery.cssHooks.backgroundPosition;

	strictEqual(
		( new jQuery.fx( div, {}, "left" ) ).cur(),
		0,
		"Return 0 when jQuery.css returns 'auto'"
	);

	equal(
		( new jQuery.fx( div, {}, "marginBottom" ) ).cur(),
		-11000,
		"support negative values < -10000 (bug #7193)"
	);
});

test("JS Overflow and Display", function() {
	expect(2);
	stop();
	jQuery.makeTest( "JS Overflow and Display" )
		.addClass("widewidth")
		.css({ overflow: "visible", display: "inline" })
		.addClass("widewidth")
		.text("Some sample text.")
		.before("text before")
		.after("text after")
		.animate({ opacity: 0.5 }, "slow", jQuery.checkOverflowDisplay);
});

test("CSS Overflow and Display", function() {
	expect(2);
	stop();
	jQuery.makeTest( "CSS Overflow and Display" )
		.addClass("overflow inline")
		.addClass("widewidth")
		.text("Some sample text.")
		.before("text before")
		.after("text after")
		.animate({ opacity: 0.5 }, "slow", jQuery.checkOverflowDisplay);
});

jQuery.each({
	"CSS Auto": function( elem, prop ) {
		jQuery( elem ).addClass( "auto" + prop )
			.text( "This is a long string of text." );
		return "";
	},
	"JS Auto": function( elem, prop ) {
		jQuery( elem ).css( prop, "" )
			.text( "This is a long string of text." );
		return "";
	},
	"CSS 100": function( elem, prop ) {
		jQuery( elem ).addClass( "large" + prop );
		return "";
	},
	"JS 100": function( elem, prop ) {
		jQuery( elem ).css( prop, prop === "opacity" ? 1 : "100px" );
		return prop === "opacity" ? 1 : 100;
	},
	"CSS 50": function( elem, prop ) {
		jQuery( elem ).addClass( "med" + prop );
		return "";
	},
	"JS 50": function( elem, prop ) {
		jQuery( elem ).css( prop, prop === "opacity" ? 0.50 : "50px" );
		return prop === "opacity" ? 0.5 : 50;
	},
	"CSS 0": function( elem, prop ) {
		jQuery( elem ).addClass( "no" + prop );
		return "";
	},
	"JS 0": function( elem, prop ) {
		jQuery( elem ).css( prop, prop === "opacity" ? 0 : "0px" );
		return 0;
	}
}, function( fn, f ) {
	jQuery.each({
		"show": function( elem, prop ) {
			jQuery( elem ).hide( ).addClass( "wide" + prop );
			return "show";
		},
		"hide": function( elem, prop ) {
			jQuery( elem ).addClass( "wide" + prop );
			return "hide";
		},
		"100": function( elem, prop ) {
			jQuery( elem ).addClass( "wide" + prop );
			return prop == "opacity" ? 1 : 100;
		},
		"50": function( elem, prop ) {
			return prop == "opacity" ? 0.50 : 50;
		},
		"0": function( elem, prop ) {
			jQuery( elem ).addClass( "noback" );
			return 0;
		}
	}, function( tn, t ) {
		test(fn + " to " + tn, function() {
			var elem = jQuery.makeTest( fn + " to " + tn );

			var t_w = t( elem, "width" );
			var f_w = f( elem, "width" );
			var t_h = t( elem, "height" );
			var f_h = f( elem, "height" );
			var t_o = t( elem, "opacity" );
			var f_o = f( elem, "opacity" );

			if ( f_o === "" ) {
				f_o = 1;
			}

			var num = 0;

			if ( t_h == "show" ) num++;
			if ( t_w == "show" ) num++;
			if ( t_w == "hide" || t_w == "show" ) num++;
			if ( t_h == "hide" || t_h == "show" ) num++;
			if ( t_o == "hide" || t_o == "show" ) num++;
			if ( t_w == "hide" ) num++;
			if ( t_o.constructor == Number ) num += 2;
			if ( t_w.constructor == Number ) num += 2;
			if ( t_h.constructor == Number ) num +=2;

			expect( num );
			stop();

			var anim = { width: t_w, height: t_h, opacity: t_o };

			elem.animate(anim, 50);

			jQuery.when( elem ).done(function( elem ) {

				elem = elem[ 0 ];

				if ( t_w == "show" ) {
					equal( elem.style.display, "block", "Showing, display should block: " + elem.style.display );
				}

				if ( t_w == "hide" || t_w == "show" ) {
					ok( f_w === "" ? elem.style.width === f_w : elem.style.width.indexOf( f_w ) === 0, "Width must be reset to " + f_w + ": " + elem.style.width );
				}

				if ( t_h == "hide" || t_h == "show" ) {
					ok( f_h === "" ? elem.style.height === f_h : elem.style.height.indexOf( f_h ) === 0, "Height must be reset to " + f_h + ": " + elem.style.height );
				}

				var cur_o = jQuery.style(elem, "opacity");

				if ( f_o !== jQuery.css(elem, "opacity") ) {
					f_o = f( elem, "opacity" );
				}

				// The only time an _empty_string_ will be matched is in IE
				// otherwise, the correct values will be tested as usual
				if ( f_o === "" ) {
					f_o = 1;
				}
				// See above
				if ( cur_o === "" ) {
					cur_o = 1;
				}

				if ( t_o == "hide" || t_o == "show" ) {
					equal( cur_o, f_o, "Opacity must be reset to " + f_o + ": " + cur_o );
				}

				if ( t_w == "hide" ) {
					equal( elem.style.display, "none", "Hiding, display should be none: " + elem.style.display );
				}

				if ( t_o.constructor == Number ) {
					equal( cur_o, t_o, "Final opacity should be " + t_o + ": " + cur_o );

					ok( jQuery.css(elem, "opacity") != "" || cur_o == t_o, "Opacity should be explicitly set to " + t_o + ", is instead: " + cur_o );
				}

				if ( t_w.constructor == Number ) {
					equal( elem.style.width, t_w + "px", "Final width should be " + t_w + ": " + elem.style.width );

					var cur_w = jQuery.css( elem,"width" );

					ok( elem.style.width != "" || cur_w == t_w, "Width should be explicitly set to " + t_w + ", is instead: " + cur_w );
				}

				if ( t_h.constructor == Number ) {
					equal( elem.style.height, t_h + "px", "Final height should be " + t_h + ": " + elem.style.height );

					var cur_h = jQuery.css( elem,"height" );

					ok( elem.style.height != "" || cur_h == t_h, "Height should be explicitly set to " + t_h + ", is instead: " + cur_w );
				}

				if ( t_h == "show" ) {
					var old_h = jQuery.css( elem, "height" );
					jQuery( elem ).append("<br/>Some more text<br/>and some more...");

					if ( /Auto/.test( fn ) ) {
						notEqual( jQuery.css( elem, "height" ), old_h, "Make sure height is auto." );
					} else {
						equal( jQuery.css( elem, "height" ), old_h, "Make sure height is not auto." );
					}
				}

				// manually remove generated element
				jQuery( elem ).remove();

				start();
			});
		});
	});
});

jQuery.fn.saveState = function( hiddenOverflow ) {
	var check = ["opacity", "height", "width", "display", "overflow"];
	expect(check.length);

	stop();
	return this.each(function(){
		var self = this;
		self.save = {};
		jQuery.each(check, function( i, c ) {
			self.save[ c ] = c === "overflow" && hiddenOverflow ? "hidden" : self.style[ c ] || jQuery.css( self, c );
		});
	});
};

jQuery.checkState = function() {
	var self = this;
	jQuery.each(this.save, function( c, v ) {
		var cur = self.style[ c ] || jQuery.css( self, c );
		equal( cur, v, "Make sure that " + c + " is reset (Old: " + v + " Cur: " + cur + ")");
	});

	// manually clean data on modified element
	jQuery.removeData( this, "olddisplay", true );

	start();
};

// Chaining Tests
test("Chain fadeOut fadeIn", function() {
	jQuery("#fadein div").saveState().fadeOut("fast").fadeIn("fast", jQuery.checkState );
});
test("Chain fadeIn fadeOut", function() {
	jQuery("#fadeout div").saveState().fadeIn("fast").fadeOut("fast", jQuery.checkState );
});

test("Chain hide show", function() {
	jQuery("#show div").saveState( jQuery.support.shrinkWrapBlocks ).hide("fast").show("fast", jQuery.checkState );
});
test("Chain show hide", function() {
	jQuery("#hide div").saveState( jQuery.support.shrinkWrapBlocks ).show("fast").hide("fast", jQuery.checkState );
});
test("Chain show hide with easing and callback", function() {
	jQuery("#hide div").saveState().show("fast").hide("fast","linear", jQuery.checkState );
});

test("Chain toggle in", function() {
	jQuery("#togglein div").saveState( jQuery.support.shrinkWrapBlocks ).toggle("fast").toggle("fast", jQuery.checkState );
});
test("Chain toggle out", function() {
	jQuery("#toggleout div").saveState( jQuery.support.shrinkWrapBlocks ).toggle("fast").toggle("fast", jQuery.checkState );
});
test("Chain toggle out with easing and callback", function() {
	jQuery("#toggleout div").saveState( jQuery.support.shrinkWrapBlocks ).toggle("fast").toggle("fast","linear", jQuery.checkState );
});
test("Chain slideDown slideUp", function() {
	jQuery("#slidedown div").saveState( jQuery.support.shrinkWrapBlocks ).slideDown("fast").slideUp("fast", jQuery.checkState );
});
test("Chain slideUp slideDown", function() {
	jQuery("#slideup div").saveState( jQuery.support.shrinkWrapBlocks ).slideUp("fast").slideDown("fast", jQuery.checkState );
});
test("Chain slideUp slideDown with easing and callback", function() {
	jQuery("#slideup div").saveState( jQuery.support.shrinkWrapBlocks ).slideUp("fast").slideDown("fast","linear", jQuery.checkState );
});

test("Chain slideToggle in", function() {
	jQuery("#slidetogglein div").saveState( jQuery.support.shrinkWrapBlocks ).slideToggle("fast").slideToggle("fast", jQuery.checkState );
});
test("Chain slideToggle out", function() {
	jQuery("#slidetoggleout div").saveState( jQuery.support.shrinkWrapBlocks ).slideToggle("fast").slideToggle("fast", jQuery.checkState );
});

test("Chain fadeToggle in", function() {
	jQuery("#fadetogglein div").saveState().fadeToggle("fast").fadeToggle("fast", jQuery.checkState );
});
test("Chain fadeToggle out", function() {
	jQuery("#fadetoggleout div").saveState().fadeToggle("fast").fadeToggle("fast", jQuery.checkState );
});

test("Chain fadeTo 0.5 1.0 with easing and callback)", function() {
	jQuery("#fadeto div").saveState().fadeTo("fast",0.5).fadeTo("fast",1.0,"linear", jQuery.checkState );
});

jQuery.makeTest = function( text ){
	var elem = jQuery("<div></div>")
		.attr( "id", "test" + jQuery.makeTest.id++ )
		.addClass("box");

	jQuery("<h4></h4>")
		.text( text )
		.appendTo("#fx-tests")
		.after( elem );

	return elem;
};

jQuery.makeTest.id = 1;

test("jQuery.show('fast') doesn't clear radio buttons (bug #1095)", function () {
	expect(4);
	stop();

	var $checkedtest = jQuery("#checkedtest");
	// IE6 was clearing "checked" in jQuery(elem).show("fast");
	$checkedtest.hide().show("fast", function() {
		ok( !! jQuery(":radio:first", $checkedtest).attr("checked"), "Check first radio still checked." );
		ok( ! jQuery(":radio:last", $checkedtest).attr("checked"), "Check last radio still NOT checked." );
		ok( !! jQuery(":checkbox:first", $checkedtest).attr("checked"), "Check first checkbox still checked." );
		ok( ! jQuery(":checkbox:last", $checkedtest).attr("checked"), "Check last checkbox still NOT checked." );
		start();
	});
});

jQuery.each({
	"slideToggle": function( $elem ) {
		return $elem.height();
	},
	"fadeToggle": function( $elem ) {
		return $elem.css("opacity");
	},
	"toggle": function( $elem ) {
		return $elem.width();
	}
},
function( method, defProp ) {
	test( method + "().stop()." + method + "()", function() {
		expect( 8 );

		var animTime = 2000;

		jQuery.each([ "in", "out" ], function( i, type ) {
			var $elem = jQuery( "#" + method.toLowerCase() + type ),
				startVal = defProp( $elem );

			$elem[ method ]( animTime );
			stop();

			setTimeout( function() {
				$elem.stop();

				notEqual( defProp( $elem ), startVal, ".stop() is called about halfway through animation." );

				$elem[ method ](animTime, function() {
					equal( defProp( $elem ), startVal, "After doing .stop() halfway through hide, check that state has been saved for returning to original property value." );

					// Start from hidden position to show this time
					$elem.hide()[ method ]( animTime );
					setTimeout( function() {
						$elem.stop();

						notEqual( defProp( $elem ), startVal, ".stop() is called about halfway through animation." );

						$elem[ method ](animTime, function() {
							equal( defProp( $elem ), startVal, "After doing .stop() halfway through show, check that state has been saved for returning to original property value." );

							// Remove olddisplay data from .hide() call
							jQuery.removeData( this, "olddisplay", true );
							start();
						});
					}, animTime / 2);
				});
			}, animTime / 2);
		});
	});
});

test("animate with per-property easing", function(){

	expect(5);
	stop();

	var data = { a:0, b:0, c:0 },
		_test1_called = false,
		_test2_called = false,
		_default_test_called = false,
		props = {
			a: [ 100, "_test1" ],
			b: [ 100, "_test2" ],
			c: 100
		};

	jQuery.easing["_test1"] = function(p) {
		_test1_called = true;
		return p;
	};

	jQuery.easing["_test2"] = function(p) {
		_test2_called = true;
		return p;
	};

	jQuery.easing["_default_test"] = function(p) {
		_default_test_called = true;
		return p;
	};

	jQuery(data).animate( props, 400, "_default_test", function(){
		start();

		ok( _test1_called, "Easing function (_test1) called" );
		ok( _test2_called, "Easing function (_test2) called" );
		ok( _default_test_called, "Easing function (_default) called" );
		equal( props.a[ 1 ], "_test1", "animate does not change original props (per-property easing would be lost)");
		equal( props.b[ 1 ], "_test2", "animate does not change original props (per-property easing would be lost)");
	});

});

test("animate with CSS shorthand properties", function(){
	expect(11);
	stop();

	var _default_count = 0,
		_special_count = 0,
		propsBasic = { padding: "10 20 30" },
		propsSpecial = { padding: [ "1 2 3", "_special" ] };

	jQuery.easing["_default"] = function(p) {
		if ( p >= 1 ) {
			_default_count++;
		}
		return p;
	};

	jQuery.easing["_special"] = function(p) {
		if ( p >= 1 ) {
			_special_count++;
		}
		return p;
	};

	jQuery("#foo")
		.animate( propsBasic, 200, "_default", function() {
			equal( this.style.paddingTop, "10px", "padding-top was animated" );
			equal( this.style.paddingLeft, "20px", "padding-left was animated" );
			equal( this.style.paddingRight, "20px", "padding-right was animated" );
			equal( this.style.paddingBottom, "30px", "padding-bottom was animated" );
			equal( _default_count, 4, "per-animation default easing called for each property" );
			_default_count = 0;
		})
		.animate( propsSpecial, 200, "_default", function() {
			equal( this.style.paddingTop, "1px", "padding-top was animated again" );
			equal( this.style.paddingLeft, "2px", "padding-left was animated again" );
			equal( this.style.paddingRight, "2px", "padding-right was animated again" );
			equal( this.style.paddingBottom, "3px", "padding-bottom was animated again" );
			equal( _default_count, 0, "per-animation default easing not called" );
			equal( _special_count, 4, "special easing called for each property" );

			jQuery(this).css("padding", "0");
			delete jQuery.easing["_default"];
			delete jQuery.easing["_special"];
			start();
		});
});

test("hide hidden elements, with animation (bug #7141)", function() {
	expect(3);
	QUnit.reset();
	stop();

	var div = jQuery("<div style='display:none'></div>").appendTo("#qunit-fixture");
	equal( div.css("display"), "none", "Element is hidden by default" );
	div.hide(1, function () {
		ok( !jQuery._data(div, "olddisplay"), "olddisplay is undefined after hiding an already-hidden element" );
		div.show(1, function () {
			equal( div.css("display"), "block", "Show a double-hidden element" );
			start();
		});
	});
});

test("animate unit-less properties (#4966)", 2, function() {
	stop();
	var div = jQuery( "<div style='z-index: 0; position: absolute;'></div>" ).appendTo( "#qunit-fixture" );
	equal( div.css( "z-index" ), "0", "z-index is 0" );
	div.animate({ zIndex: 2 }, function() {
		equal( div.css( "z-index" ), "2", "z-index is 2" );
		start();
	});
});

test( "animate properties missing px w/ opacity as last (#9074)", 2, function() {
	expect( 6 );
	stop();
	var div = jQuery( "<div style='position: absolute; margin-left: 0; left: 0px;'></div>" )
		.appendTo( "#qunit-fixture" );
	function cssInt( prop ) {
		return parseInt( div.css( prop ), 10 );
	}
	equal( cssInt( "marginLeft" ), 0, "Margin left is 0" );
	equal( cssInt( "left" ), 0, "Left is 0" );
	div.animate({
		left: 200,
		marginLeft: 200,
		opacity: 0
	}, 1000);
	setTimeout(function() {
		var ml = cssInt( "marginLeft" ),
			l = cssInt( "left" );
		notEqual( ml, 0, "Margin left is not 0 after partial animate" );
		notEqual( ml, 200, "Margin left is not 200 after partial animate" );
		notEqual( l, 0, "Left is not 0 after partial animate" );
		notEqual( l, 200, "Left is not 200 after partial animate" );
		div.stop().remove();
		start();
	}, 100);
});

test("callbacks should fire in correct order (#9100)", function() {
	stop();
	var a = 1,
		cb = 0,
		$lis = jQuery("<p data-operation='*2'></p><p data-operation='^2'></p>").appendTo("#qunit-fixture")
			// The test will always pass if no properties are animated or if the duration is 0
			.animate({fontSize: 12}, 13, function() {
				a *= jQuery(this).data("operation") === "*2" ? 2 : a;
				cb++;
				if ( cb === 2 ) {
					equal( a, 4, "test value has been *2 and _then_ ^2");
					start();
				}
			});
});

asyncTest( "callbacks that throw exceptions will be removed (#5684)", function() {
	expect( 2 );

	var foo = jQuery( "#foo" );

	function testException() {
	}

	foo.animate({ height: 1 }, 1, function() {
		throw new testException;
	});

	// this test thoroughly abuses undocumented methods - please feel free to update
	// with any changes internally to these functions.

	// make sure that the standard timer loop will NOT run.
	jQuery.fx.stop();

	setTimeout(function() {

		// the first call to fx.tick should raise the callback exception
		raises( jQuery.fx.tick, testException, "Exception was thrown" );

		// the second call shouldn't
		jQuery.fx.tick();

		ok( true, "Test completed without throwing a second exception" );

		start();
	}, 1);
});

test("animate will scale margin properties individually", function() {
	expect( 2 );
	stop();

	var foo = jQuery( "#foo" ).css({
		margin: 0,
		marginLeft: 100
	});

	ok( foo.css( "marginLeft" ) !== foo.css( "marginRight" ), "Sanity Check" );

	foo.animate({
		margin: 200
	}).stop();

	ok( foo.css( "marginLeft") !== foo.css( "marginRight" ), "The margin properties are different");

	// clean up for next test
	foo.css({
		marginLeft: '',
		marginRight: '',
		marginTop: '',
		marginBottom: ''
	});
	start();
});

test("Do not append px to 'fill-opacity' #9548", 1, function() {
	var $div = jQuery("<div>").appendTo("#qunit-fixture");

	$div.css("fill-opacity", 0).animate({ "fill-opacity": 1.0 }, 0, function () {
		equal( jQuery(this).css("fill-opacity"), 1, "Do not append px to 'fill-opacity'");
	});
});

// Start 1.8 Animation tests
asyncTest( "jQuery.Animation( object, props, opts )", 1, function() {
	var testObject = {
			foo: 0,
			bar: 1,
			width: 100
		},
		testDest = {
			foo: 1,
			bar: 0,
			width: 200
		};

	jQuery.Animation( testObject, testDest, { duration: 1 })
		.done( function() {
			deepEqual( testObject, testDest, "Animated foo and bar" );
			start();
		});
});

asyncTest( "Animate Option: step: function( percent, tween )", 1, function() {
	var counter = {};
	jQuery( "#foo" ).animate({
		prop1: 1,
		prop2: 2,
		prop3: 3
	}, {
		duration: 1,
		step: function( value, tween ) {
			calls = counter[ tween.prop ] = counter[ tween.prop ] || [];
			calls.push( value );
		}
	}).queue( function( next ) {
		deepEqual( counter, {
			prop1: [0, 1],
			prop2: [0, 2],
			prop3: [0, 3]
		}, "Step function was called once at 0% and once at 100% for each property");
		next();
		start();
	});
});

asyncTest( "Animate callbacks have correct context", 2, function() {
	var foo = jQuery( "#foo" );
	foo.animate({
		height: 10
	}, 10, function() {
		equal( foo[ 0 ], this, "Complete callback after stop(true) `this` is element" );
	}).stop( true, true );
	foo.animate({
		height: 100
	}, 10, function() {
		equal( foo[ 0 ], this, "Complete callback `this` is element" );
		start();
	});
});

asyncTest( "User supplied callback called after show when fx off (#8892)", 2, function() {
	var foo = jQuery( "#foo" );
	jQuery.fx.off = true;
	foo.hide();
	foo.fadeIn( 500, function() {
		ok( jQuery( this ).is( ":visible" ), "Element is visible in callback" );
		foo.fadeOut( 500, function() {
			ok( jQuery( this ).is( ":hidden" ), "Element is hidden in callback" );
			jQuery.fx.off = false;
			start();
		});
	});
});

test( "animate should set display for disconnected nodes", function() {
	expect( 18 );

	var i = 0,
		methods = {
			toggle: [ 1 ],
			slideToggle: [],
			fadeIn: [],
			fadeTo: [ "fast", 0.5 ],
			slideDown: [ "fast" ],
			show: [ 1 ],
			animate: [{ width: "show" }]
		},
		elems = [

			// parentNode = document fragment
			jQuery("<div>test</div>"),

			// parentNode = null
			jQuery("<div/>"),

			jQuery('<div style="display:inline"/>'),

			jQuery('<div style="display:none"/>')
		];

	strictEqual( elems[ 0 ].show()[ 0 ].style.display, "block", "set display with show() for element with parentNode = document fragment" );
	strictEqual( elems[ 1 ].show()[ 0 ].style.display, "block", "set display with show() for element with parentNode = null" );
	strictEqual( elems[ 2 ].show()[ 0 ].style.display, "inline", "show() should not change display if it already set" );
	strictEqual( elems[ 3 ].show()[ 0 ].style.display, "block", "show() should change display if it already set to none" );

	// cleanup
	jQuery.each( elems, function() {
		jQuery.removeData( this[ 0 ], "olddisplay", true );
	});

	stop();
	jQuery.each( methods, function( name, opt ) {
		jQuery.each([

			// parentNode = document fragment
			jQuery("<div>test</div>"),

			// parentNode = null
			jQuery("<div/>")

		], function() {
			var callback = [function () {
					strictEqual( this.style.display, "block", "set display to block with " + name );

					jQuery.removeData( this, "olddisplay", true );

					if ( ++i === 14 ) {
						start();
					}
			}];
			jQuery.fn[ name ].apply( this, opt.concat( callback ) );
		});
	});
});

asyncTest("Animation callback should not show animated element as animated (#7157)", 1, function() {
	var foo = jQuery( "#foo" );

	foo.animate({
		opacity: 0
	}, 100, function() {
		ok( !foo.is(':animated'), "The element is not animated" );
		start();
	});
});

asyncTest( "hide called on element within hidden parent should set display to none (#10045)", 3, function() {
	var hidden = jQuery(".hidden"),
		elems = jQuery("<div>hide</div><div>hide0</div><div>hide1</div>");

	hidden.append( elems );

	jQuery.when(
		elems.eq( 0 ).hide(),
		elems.eq( 1 ).hide( 0 ),
		elems.eq( 2 ).hide( 1 )
	).done(function() {
		strictEqual( elems.get( 0 ).style.display, "none", "hide() called on element within hidden parent should set display to none" );
		strictEqual( elems.get( 1 ).style.display, "none", "hide( 0 ) called on element within hidden parent should set display to none" );
		strictEqual( elems.get( 2 ).style.display, "none", "hide( 1 ) called on element within hidden parent should set display to none" );

		start();
	});
});

asyncTest( "hide, fadeOut and slideUp called on element width height and width = 0 should set display to none", 5, function() {
	var foo = jQuery("#foo"),
		i = 0,
		elems = jQuery();

	for ( ; i < 5; i++ ) {
		elems = elems.add('<div style="width:0;height:0;"></div>');
	}

	foo.append( elems );

	jQuery.when(
		elems.eq( 0 ).hide(),
		elems.eq( 1 ).hide( jQuery.noop ),
		elems.eq( 2 ).hide( 1 ),
		elems.eq( 3 ).fadeOut(),
		elems.eq( 4 ).slideUp()
	).done(function() {
		strictEqual( elems.get( 0 ).style.display, "none", "hide() called on element width height and width = 0 should set display to none" );
		strictEqual( elems.get( 1 ).style.display, "none",
												"hide( jQuery.noop ) called on element width height and width = 0 should set display to none" );
		strictEqual( elems.get( 2 ).style.display, "none", "hide( 1 ) called on element width height and width = 0 should set display to none" );
		strictEqual( elems.get( 3 ).style.display, "none", "fadeOut() called on element width height and width = 0 should set display to none" );
		strictEqual( elems.get( 4 ).style.display, "none", "slideUp() called on element width height and width = 0 should set display to none" );

		start();
	});
});

asyncTest( "Handle queue:false promises", 10, function() {
	var foo = jQuery( "#foo" ).clone().andSelf(),
		step = 1;

	foo.animate({
		top: 1
	}, {
		duration: 10,
		queue: false,
		complete: function() {
			ok( step++ <= 2, "Step one or two" );
		}
	}).animate({
		bottom: 1
	}, {
		duration: 10,
		complete: function() {
			ok( step > 2 && step < 5, "Step three or four" );
			step++;
		}
	});

	foo.promise().done( function() {
		equal( step++, 5, "steps 1-5: queue:false then queue:fx done" );
		foo.animate({
			top: 10
		}, {
			duration: 10,
			complete: function() {
				ok( step > 5 && step < 8, "Step six or seven" );
				step++;
			}
		}).animate({
			bottom: 10
		}, {
			duration: 10,
			queue: false,
			complete: function() {
				ok( step > 7 && step < 10, "Step eight or nine" );
				step++;
			}
		}).promise().done( function() {
			equal( step++, 10, "steps 6-10: queue:fx then queue:false" );
			start();
		});

	});
});

asyncTest( "multiple unqueued and promise", 4, function() {
	var foo = jQuery( "#foo" ),
		step = 1;
	foo.animate({
		marginLeft: 300
	}, {
		duration: 500,
		queue: false,
		complete: function() {
			strictEqual( step++, 2, "Step 2" );
		}
	}).animate({
		top: 100
	}, {
		duration: 1500,
		queue: false,
		complete: function() {
			strictEqual( step++, 3, "Step 3" );
		}
	}).animate({}, {
		duration: 2000,
		queue: false,
		complete: function() {
			// no properties is a non-op and finishes immediately
			strictEqual( step++, 1, "Step 1" );
		}
	}).promise().done( function() {
		strictEqual( step++, 4, "Step 4" );
		start();
	});
});

} // if ( jQuery.fx )