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diff --git a/tests/unit/draggable/core.js b/tests/unit/draggable/core.js
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+define( [
+	"jquery",
+	"./helper",
+	"ui/draggable",
+	"ui/droppable",
+	"ui/resizable"
+], function( $, testHelper ) {
+
+module( "draggable: core" );
+
+test( "element types", function( assert ) {
+	var typeNames = (
+			"p,h1,h2,h3,h4,h5,h6,blockquote,ol,ul,dl,div,form" +
+			",table,fieldset,address,ins,del,em,strong,q,cite,dfn,abbr" +
+			",acronym,code,samp,kbd,var,img,hr" +
+			",input,button,label,select,iframe"
+		).split(",");
+
+	expect( typeNames.length * 2 );
+
+	$.each( typeNames, function( i ) {
+		var offsetBefore, offsetAfter,
+			typeName = typeNames[ i ],
+			el = $( document.createElement( typeName ) ).appendTo("#qunit-fixture");
+
+		if ( typeName === "table" ) {
+			el.append("<tr><td>content</td></tr>");
+		}
+
+		el.draggable({ cancel: "" });
+		offsetBefore = el.offset();
+		el.simulate( "drag", {
+			dx: 50,
+			dy: 50
+		});
+		offsetAfter = el.offset();
+
+		// Support: FF, Chrome, and IE9,
+		// there are some rounding errors in so we can't say equal, we have to settle for close enough
+		assert.close( offsetBefore.left, offsetAfter.left - 50, 1, "dragged[50, 50] " + "<" + typeName + "> left" );
+		assert.close( offsetBefore.top, offsetAfter.top - 50, 1, "dragged[50, 50] " + "<" + typeName + "> top" );
+		el.draggable("destroy");
+		el.remove();
+	});
+});
+
+test( "No options, relative", function() {
+	expect( 2 );
+	testHelper.shouldMove( $( "#draggable1" ).draggable(), "no options, relative" );
+});
+
+test( "No options, absolute", function() {
+	expect( 2 );
+	testHelper.shouldMove( $( "#draggable2" ).draggable(), "no options, absolute" );
+});
+
+test( "resizable handle with complex markup (#8756 / #8757)", function() {
+	expect( 2 );
+
+	$( "#draggable1" )
+		.append(
+			$("<div>")
+				.addClass("ui-resizable-handle ui-resizable-w")
+				.append( $("<div>") )
+		);
+
+	var handle = $(".ui-resizable-w div"),
+		target = $( "#draggable1" ).draggable().resizable({ handles: "all" });
+
+	// todo: fix resizable so it doesn't require a mouseover
+	handle.simulate("mouseover").simulate( "drag", { dx: -50 } );
+	equal( target.width(), 250, "compare width" );
+
+	// todo: fix resizable so it doesn't require a mouseover
+	handle.simulate("mouseover").simulate( "drag", { dx: 50 } );
+	equal( target.width(), 200, "compare width" );
+});
+
+test( "#8269: Removing draggable element on drop", function() {
+	expect( 2 );
+
+	var element = $( "#draggable1" ).wrap( "<div id='wrapper' />" ).draggable({
+			stop: function() {
+				ok( true, "stop still called despite element being removed from DOM on drop" );
+			}
+		}),
+		dropOffset = $( "#droppable" ).offset();
+
+	$( "#droppable" ).droppable({
+		drop: function() {
+			$( "#wrapper" ).remove();
+			ok( true, "element removed from DOM on drop" );
+		}
+	});
+
+	// Support: Opera 12.10, Safari 5.1, jQuery <1.8
+	if ( testHelper.unreliableContains ) {
+		ok( true, "Opera <12.14 and Safari <6.0 report wrong values for $.contains in jQuery < 1.8" );
+		ok( true, "Opera <12.14 and Safari <6.0 report wrong values for $.contains in jQuery < 1.8" );
+	} else {
+		element.simulate( "drag", {
+			handle: "corner",
+			x: dropOffset.left,
+			y: dropOffset.top
+		});
+	}
+});
+
+// http://bugs.jqueryui.com/ticket/7778
+// drag element breaks in IE8 when its content is replaced onmousedown
+test( "Stray mousemove after mousedown still drags", function() {
+	expect( 2 );
+
+	var element = $( "#draggable1" ).draggable({ scroll: false });
+
+	// In IE8, when content is placed under the mouse (e.g. when draggable content is replaced
+	// on mousedown), mousemove is triggered on those elements even though the mouse hasn't moved.
+	// Support: IE <9
+	element.bind( "mousedown", function() {
+		$( document ).simulate( "mousemove", { button: -1 });
+	});
+
+	testHelper.shouldMove( element, "element is draggable" );
+});
+
+test( "#6258: not following mouse when scrolled and using overflow-y: scroll", function() {
+	expect( 2 );
+
+	var element = $( "#draggable1" ).draggable({
+			stop: function( event, ui ) {
+				equal( ui.position.left, 1, "left position is correct despite overflow on HTML" );
+				equal( ui.position.top, 1, "top position is correct despite overflow on HTML" );
+				$( "html" )
+					.css( "overflow-y", oldOverflowY )
+					.css( "overflow-x", oldOverflowX )
+					.scrollTop( 0 )
+					.scrollLeft( 0 );
+			}
+		}),
+		oldOverflowY = $( "html" ).css( "overflow-y" ),
+		oldOverflowX = $( "html" ).css( "overflow-x" );
+
+		testHelper.forceScrollableWindow();
+
+		$( "html" )
+			.css( "overflow-y", "scroll" )
+			.css( "overflow-x", "scroll" )
+			.scrollTop( 300 )
+			.scrollLeft( 300 );
+
+		element.simulate( "drag", {
+			dx: 1,
+			dy: 1,
+			moves: 1
+		});
+});
+
+test( "#9315: jumps down with offset of scrollbar", function() {
+	expect( 2 );
+
+	var element = $( "#draggable2" ).draggable({
+			stop: function( event, ui ) {
+				equal( ui.position.left, 11, "left position is correct when position is absolute" );
+				equal( ui.position.top, 11, "top position is correct when position is absolute" );
+				$( "html" ).scrollTop( 0 ).scrollLeft( 0 );
+			}
+		});
+
+		testHelper.forceScrollableWindow();
+
+		$( "html" ).scrollTop( 300 ).scrollLeft( 300 );
+
+		element.simulate( "drag", {
+			dx: 1,
+			dy: 1,
+			moves: 1
+		});
+});
+
+test( "scroll offset with fixed ancestors", function() {
+	expect( 2 );
+
+	var startValue = 300,
+		element = $( "#draggable1" )
+			// http://bugs.jqueryui.com/ticket/5009
+			// scroll not working with parent's position fixed
+			.wrap( "<div id='wrapper' />" )
+			// http://bugs.jqueryui.com/ticket/9612
+			// abspos elements inside of fixed elements moving away from the mouse when scrolling
+			.wrap( "<div id='wrapper2' />" )
+			.draggable({
+				drag: function() {
+					startValue += 100;
+					$( document ).scrollTop( startValue ).scrollLeft( startValue );
+				},
+				stop: function( event, ui ) {
+					equal( ui.position.left, 10, "left position is correct when parent position is fixed" );
+					equal( ui.position.top, 10, "top position is correct when parent position is fixed" );
+					$( document ).scrollTop( 0 ).scrollLeft( 0 );
+				}
+			});
+
+	testHelper.forceScrollableWindow();
+
+	$( "#wrapper" ).css( "position", "fixed" );
+	$( "#wrapper2" ).css( "position", "absolute" );
+
+	element.simulate( "drag", {
+		dx: 10,
+		dy: 10,
+		moves: 3
+	});
+});
+
+$( [ "hidden", "auto", "scroll" ] ).each(function() {
+	var overflow = this;
+
+	// http://bugs.jqueryui.com/ticket/9379 - position bug in scrollable div
+	// http://bugs.jqueryui.com/ticket/10147 - Wrong position in a parent with "overflow: hidden"
+	test( "position in scrollable parent with overflow: " + overflow, function() {
+		expect( 2 );
+
+		$( "#qunit-fixture" ).html( "<div id='outer'><div id='inner'></div><div id='dragged'>a</div></div>" );
+		$( "#inner" ).css({ position: "absolute", width: "500px", height: "500px" });
+		$( "#outer" ).css({ position: "absolute", width: "300px", height: "300px" });
+		$( "#dragged" ).css({ width: "10px", height: "10px" });
+
+		var moves = 3,
+			startValue = 0,
+			dragDelta = 20,
+			delta = 100,
+
+			// we scroll after each drag event, so subtract 1 from number of moves for expected
+			expected = delta + ( ( moves - 1 ) * dragDelta ),
+			element = $( "#dragged" ).draggable({
+				drag: function() {
+					startValue += dragDelta;
+					$( "#outer" ).scrollTop( startValue ).scrollLeft( startValue );
+				},
+				stop: function( event, ui ) {
+					equal( ui.position.left, expected, "left position is correct when grandparent is scrolled" );
+					equal( ui.position.top, expected, "top position is correct when grandparent is scrolled" );
+				}
+			});
+
+		$( "#outer" ).css( "overflow", overflow );
+
+		element.simulate( "drag", {
+			dy: delta,
+			dx: delta,
+			moves: moves
+		});
+	});
+});
+
+test( "#5727: draggable from iframe", function() {
+	expect( 1 );
+
+	var iframeBody, draggable1,
+		iframe = $( "<iframe />" ).appendTo( "#qunit-fixture" ),
+		iframeDoc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
+
+	iframeDoc.write( "<!doctype html><html><body>" );
+	iframeDoc.close();
+
+	iframeBody = $( iframeDoc.body ).append( "<div style='width: 2px; height: 2px;' />" );
+	draggable1 = iframeBody.find( "div" );
+
+	draggable1.draggable();
+
+	equal( draggable1.closest( iframeBody ).length, 1 );
+
+	// TODO: fix draggable within an IFRAME to fire events on the element properly
+	// and these testHelper.shouldMove relies on events for testing
+	//testHelper.shouldMove( draggable1, "draggable from an iframe" );
+});
+
+test( "#8399: A draggable should become the active element after you are finished interacting with it, but not before.", function() {
+	expect( 2 );
+
+	var element = $( "<a href='#'>link</a>" ).appendTo( "#qunit-fixture" ).draggable();
+
+	$( document ).one( "mousemove", function() {
+		notStrictEqual( document.activeElement, element.get( 0 ), "moving a draggable anchor did not make it the active element" );
+	});
+
+	testHelper.move( element, 50, 50 );
+
+	strictEqual( document.activeElement, element.get( 0 ), "finishing moving a draggable anchor made it the active element" );
+});
+
+asyncTest( "blur behavior", function() {
+	expect( 3 );
+
+	var element = $( "#draggable1" ).draggable(),
+		focusElement = $( "<div tabindex='1'></div>" ).appendTo( element );
+
+	testHelper.onFocus( focusElement, function() {
+		strictEqual( document.activeElement, focusElement.get( 0 ), "test element is focused before mousing down on a draggable" );
+
+		testHelper.move( focusElement, 1, 1 );
+
+		// http://bugs.jqueryui.com/ticket/10527
+		// Draggable: Can't select option in modal dialog (IE8)
+		strictEqual( document.activeElement, focusElement.get( 0 ), "test element is focused after mousing down on itself" );
+
+		testHelper.move( element, 50, 50 );
+
+		// http://bugs.jqueryui.com/ticket/4261
+		// active element should blur when mousing down on a draggable
+		notStrictEqual( document.activeElement, focusElement.get( 0 ), "test element is no longer focused after mousing down on a draggable" );
+		start();
+	});
+});
+
+test( "ui-draggable-handle assigned to appropriate element", function( assert ) {
+	expect( 5 );
+
+	var p = $( "<p>" ).appendTo( "#qunit-fixture" ),
+		element = $( "<div><p></p></div>" ).appendTo( "#qunit-fixture" ).draggable();
+	assert.hasClasses( element, "ui-draggable-handle" );
+
+	element.draggable( "option", "handle", "p" );
+	assert.lacksClasses( element, "ui-draggable-handle" );
+	assert.hasClasses( element.find( "p" ), "ui-draggable-handle",
+		"ensure handle class name is constrained within the draggble (#10212)" );
+	assert.lacksClasses( p, "ui-draggable-handle" );
+
+	element.draggable( "destroy" );
+	assert.lacksClasses( element.find( "p" ), "ui-draggable-handle" );
+});
+
+test( "ui-draggable-handle managed correctly in nested draggables", function( assert ) {
+	expect( 4 );
+	var parent = $( "<div><div></div></div>" ).draggable().appendTo( "#qunit-fixture" ),
+		child = parent.find( "div" ).draggable();
+
+	assert.hasClasses( parent, "ui-draggable-handle", "parent has class name on init" );
+	assert.hasClasses( child, "ui-draggable-handle", "child has class name on init" );
+
+	parent.draggable( "destroy" );
+	assert.lacksClasses( parent, "ui-draggable-handle", "parent loses class name on destroy" );
+	assert.hasClasses( child, "ui-draggable-handle", "child retains class name on destroy" );
+});
+
+} );