Dialog: Cleanup style properties on _destroy. Reenables style check i…

…n domEqual, while removing commented and unnecessary old code. Fixes #8119 - Dialog: Destroying a dialog leaves style, scrollleft, and scrolltop leftovers.

tests/unit/dialog/dialog_methods.js

@@ -35,6 +35,8 @@ test("init", function() {
 
 test("destroy", function() {
 	expect( 6 );
+	// expect dialogs to be hidden before and after
+	$( "#dialog1, #form-dialog" ).hide();
 	domEqual( "#dialog1", function() {
 		var dialog = $( "#dialog1" ).dialog().dialog( "destroy" );
 		equal( dialog.parent()[ 0 ], $( "#qunit-fixture" )[ 0 ] );

tests/unit/testsuite.js

@@ -210,36 +210,10 @@ window.domEqual = function( selector, modifier, message ) {
 			"nodeName",
 			"role",
 			"tabIndex",
-			"title"
+			"title",
+			"style"
 		];
-/*
-	function getElementStyles( elem ) {
-		var key, len,
-			style = elem.ownerDocument.defaultView ?
-				elem.ownerDocument.defaultView.getComputedStyle( elem, null ) :
-				elem.currentStyle,
-			styles = {};
-
-		if ( style && style.length && style[ 0 ] && style[ style[ 0 ] ] ) {
-			len = style.length;
-			while ( len-- ) {
-				key = style[ len ];
-				if ( typeof style[ key ] === "string" ) {
-					styles[ $.camelCase( key ) ] = style[ key ];
-				}
-			}
-		// support: Opera, IE <9
-		} else {
-			for ( key in style ) {
-				if ( typeof style[ key ] === "string" ) {
-					styles[ key ] = style[ key ];
-				}
-			}
-		}
 
-		return styles;
-	}
-*/
 	function extract( elem ) {
 		if ( !elem || !elem.length ) {
 			QUnit.push( false, actual, expected,
@@ -257,8 +231,6 @@ window.domEqual = function( selector, modifier, message ) {
 			var value = elem.attr( attr );
 			result[ attr ] = value !== undefined ? value : "";
 		});
-		// TODO: Enable when we can figure out what's happening with accordion
-		//result.style = getElementStyles( elem[ 0 ] );
 		result.events = $._data( elem[ 0 ], "events" );
 		result.data = $.extend( {}, elem.data() );
 		delete result.data[ $.expando ];

ui/jquery.ui.dialog.js

@@ -127,6 +127,11 @@ $.widget("ui.dialog", {
 		this.element
 			.removeUniqueId()
 			.removeClass( "ui-dialog-content ui-widget-content" )
+			.css({
+				"width": "",
+				"min-height": "",
+				"height": ""
+			})
 			.hide()
 			// without detaching first, the following becomes really slow
 			.detach();