Merge branch 't/11478b'

Author: adelura

CHANGES.md

@@ -5,6 +5,7 @@ CKEditor 4 Changelog
 
 Fixed Issues:
 
+* [#11478](http://dev.ckeditor.com/ticket/11478): Fixed: Issue with passing jQuery objects to adapter configuration.
 * [#10867](http://dev.ckeditor.com/ticket/10867): Fixed: Issue with setting encoded URI as image's link.
 * [#10091](http://dev.ckeditor.com/ticket/10091): Blockquote should be treated like an object by the styles system. Thanks to [dan-james-deeson](https://github.com/dan-james-deeson)!
 * [#11983](http://dev.ckeditor.com/ticket/11983): Fixed: Clicking a nested widget does not focus it. Additionally, performance of the [`widget.repository.getByElement()`](http://docs.ckeditor.com/#!/api/CKEDITOR.plugins.widget.repository-method-getByElement) method has been improved.

core/tools.js

@@ -109,6 +109,10 @@
 			if ( obj === null || ( typeof( obj ) != 'object' ) || ( obj instanceof String ) || ( obj instanceof Number ) || ( obj instanceof Boolean ) || ( obj instanceof Date ) || ( obj instanceof RegExp ) )
 				return obj;
 
+			// DOM objects and window.
+			if ( obj.nodeType || obj.window === obj )
+				return obj;
+
 			// Objects.
 			clone = new obj.constructor();
 

tests/core/tools.js

@@ -141,10 +141,42 @@ bender.test(
 			assert.areSame( 'John', obj.name );
 			assert.areSame( 'Paul', clone.name );
 
+			assert.areNotSame( obj.cars, clone.cars );
 			assert.areSame( 'red', obj.cars.Porsche.color );
 			assert.areSame( 'silver', clone.cars.Porsche.color );
 		},
 
+		test_clone_DOM: function() {
+			var anchor = document.createElement( 'a' );
+			var obj = {
+				anchor: anchor
+			};
+
+			var clone = CKEDITOR.tools.clone( obj );
+
+			assert.areSame( clone.anchor, anchor );
+		},
+
+		test_clone_Window: function() {
+			var obj = {
+				window: window
+			};
+
+			var clone = CKEDITOR.tools.clone( obj );
+
+			assert.areSame( clone.window, window );
+		},
+
+		test_clone_Document: function() {
+			var obj = {
+				document: document
+			};
+
+			var clone = CKEDITOR.tools.clone( obj );
+
+			assert.areSame( clone.document, document );
+		},
+
 		test_repeat: function() {
 			assert.areSame( '   ', CKEDITOR.tools.repeat( ' ', 3 ) );
 		},

tests/tickets/11478/1.html

@@ -0,0 +1,2 @@
+<div id="container"></div>
+<textarea id="editable" cols="80" rows="10">editor1</textarea>

tests/tickets/11478/1.js

@@ -0,0 +1,25 @@
+/* bender-tags: editor,unit */
+/* bender-ckeditor-adapters: jquery */
+/* bender-ckeditor-plugins: wysiwygarea */
+
+( function() {
+	'use strict';
+
+	bender.test( {
+		'test pass jQuery object into config': function() {
+			var configObj = {
+				element: $( '#container' )
+			};
+
+			$( '#editable' ).ckeditor( function() {
+				var editor = this;
+
+				resume( function() {
+					assert.areSame( configObj.element[ 0 ], editor.config.element[ 0 ], 'element was passed safely to editor.config' );
+				} );
+			}, configObj );
+
+			wait();
+		}
+	} );
+} )();