/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Communicator client code, released * March 31, 1998. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /** File Name: 11.1.1.js ECMA Section: 11.1.1 The this keyword Description: The this keyword evaluates to the this value of the execution context. Author: christine@netscape.com Date: 12 november 1997 */ var SECTION = "11.1.1"; var VERSION = "ECMA_1"; startTest(); writeHeaderToLog( SECTION + " The this keyword"); var GLOBAL_OBJECT = this.toString(); // this in global code and eval(this) in global code should return the global object. new TestCase( SECTION, "Global Code: this.toString()", GLOBAL_OBJECT, this.toString() ); new TestCase( SECTION, "Global Code: eval('this.toString()')", GLOBAL_OBJECT, eval('this.toString()') ); // this in anonymous code called as a function should return the global object. new TestCase( SECTION, "Anonymous Code: var MYFUNC = new Function('return this.toString()'); MYFUNC()", GLOBAL_OBJECT, eval("var MYFUNC = new Function('return this.toString()'); MYFUNC()") ); // eval( this ) in anonymous code called as a function should return that function's activation object new TestCase( SECTION, "Anonymous Code: var MYFUNC = new Function('return (eval(\"this.toString()\")'); (MYFUNC()).toString()", GLOBAL_OBJECT, eval("var MYFUNC = new Function('return eval(\"this.toString()\")'); (MYFUNC()).toString()") ); // this and eval( this ) in anonymous code called as a constructor should return the object new TestCase( SECTION, "Anonymous Code: var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()", "[object Object]", eval("var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()") ); new TestCase( SECTION, "Anonymous Code: var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1", true, eval("var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") ); new TestCase( SECTION, "Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC().THIS).toString()", "[object Object]", eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC()).THIS).toString()") ); new TestCase( SECTION, "Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1", true, eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") ); // this and eval(this) in function code called as a function should return the global object. new TestCase( SECTION, "Function Code: ReturnThis()", GLOBAL_OBJECT, ReturnThis() ); new TestCase( SECTION, "Function Code: ReturnEvalThis()", GLOBAL_OBJECT, ReturnEvalThis() ); // this and eval(this) in function code called as a contructor should return the object. new TestCase( SECTION, "var MYOBJECT = new ReturnThis(); MYOBJECT.toString()", "[object Object]", eval("var MYOBJECT = new ReturnThis(); MYOBJECT.toString()") ); new TestCase( SECTION, "var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()", "[object Object]", eval("var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()") ); test(); function ReturnThis() { return this.toString(); } function ReturnEvalThis() { return( eval("this.toString()") ); }