michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:    File Name:          11.1.1.js
michael@0:    ECMA Section:       11.1.1 The this keyword
michael@0:    Description:
michael@0: 
michael@0:    The this keyword evaluates to the this value of the execution context.
michael@0: 
michael@0:    Author:             christine@netscape.com
michael@0:    Date:               12 november 1997
michael@0: */
michael@0: var SECTION = "11.1.1";
michael@0: var VERSION = "ECMA_1";
michael@0: startTest();
michael@0: 
michael@0: writeHeaderToLog( SECTION + " The this keyword");
michael@0: 
michael@0: var GLOBAL_OBJECT = this.toString();
michael@0: 
michael@0: // this in global code and eval(this) in global code should return the global object.
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Global Code: this.toString()",
michael@0: 	      GLOBAL_OBJECT,
michael@0: 	      this.toString() );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Global Code:  eval('this.toString()')",
michael@0: 	      GLOBAL_OBJECT,
michael@0: 	      eval('this.toString()') );
michael@0: 
michael@0: // this in anonymous code called as a function should return the global object.
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Anonymous Code: var MYFUNC = new Function('return this.toString()'); MYFUNC()",
michael@0: 	      GLOBAL_OBJECT,
michael@0: 	      eval("var MYFUNC = new Function('return this.toString()'); MYFUNC()") );
michael@0: 
michael@0: // eval( this ) in anonymous code called as a function should return that function's activation object
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Anonymous Code: var MYFUNC = new Function('return (eval(\"this.toString()\")'); (MYFUNC()).toString()",
michael@0: 	      GLOBAL_OBJECT,
michael@0: 	      eval("var MYFUNC = new Function('return eval(\"this.toString()\")'); (MYFUNC()).toString()") );
michael@0: 
michael@0: // this and eval( this ) in anonymous code called as a constructor should return the object
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Anonymous Code: var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()",
michael@0: 	      "[object Object]",
michael@0: 	      eval("var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()") );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Anonymous Code: var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1",
michael@0: 	      true,
michael@0: 	      eval("var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC().THIS).toString()",
michael@0: 	      "[object Object]",
michael@0: 	      eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC()).THIS).toString()") );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1",
michael@0: 	      true,
michael@0: 	      eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") );
michael@0: 
michael@0: // this and eval(this) in function code called as a function should return the global object.
michael@0: new TestCase( SECTION,
michael@0: 	      "Function Code:  ReturnThis()",
michael@0: 	      GLOBAL_OBJECT,
michael@0: 	      ReturnThis() );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "Function Code:  ReturnEvalThis()",
michael@0: 	      GLOBAL_OBJECT,
michael@0: 	      ReturnEvalThis() );
michael@0: 
michael@0: //  this and eval(this) in function code called as a contructor should return the object.
michael@0: new TestCase( SECTION,
michael@0: 	      "var MYOBJECT = new ReturnThis(); MYOBJECT.toString()",
michael@0: 	      "[object Object]",
michael@0: 	      eval("var MYOBJECT = new ReturnThis(); MYOBJECT.toString()") );
michael@0: 
michael@0: new TestCase( SECTION,
michael@0: 	      "var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()",
michael@0: 	      "[object Object]",
michael@0: 	      eval("var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()") );
michael@0: 
michael@0: test();
michael@0: 
michael@0: function ReturnThis() {
michael@0:   return this.toString();
michael@0: }
michael@0: 
michael@0: function ReturnEvalThis() {
michael@0:   return( eval("this.toString()") );
michael@0: }