/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /** 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()") ); }