зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
6.2 KiB
JavaScript
132 строки
6.2 KiB
JavaScript
/* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code, released March
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* 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*
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*/
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/**
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File Name: 11.1.1.js
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ECMA Section: 11.1.1 The this keyword
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Description:
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The this keyword evaluates to the this value of the execution context.
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Author: christine@netscape.com
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Date: 12 november 1997
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*/
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var SECTION = "11.1.1";
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var VERSION = "ECMA_1";
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startTest();
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writeHeaderToLog( SECTION + " The this keyword");
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var testcases = new Array();
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var item = 0;
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var GLOBAL_OBJECT = this.toString();
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// this in global code and eval(this) in global code should return the global object.
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testcases[item++] = new TestCase( SECTION,
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"Global Code: this.toString()",
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GLOBAL_OBJECT,
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this.toString() );
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testcases[item++] = new TestCase( SECTION,
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"Global Code: eval('this.toString()')",
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GLOBAL_OBJECT,
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eval('this.toString()') );
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// this in anonymous code called as a function should return the global object.
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testcases[item++] = new TestCase( SECTION,
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"Anonymous Code: var MYFUNC = new Function('return this.toString()'); MYFUNC()",
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GLOBAL_OBJECT,
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eval("var MYFUNC = new Function('return this.toString()'); MYFUNC()") );
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// eval( this ) in anonymous code called as a function should return that function's activation object
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testcases[item++] = new TestCase( SECTION,
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"Anonymous Code: var MYFUNC = new Function('return (eval(\"this.toString()\")'); (MYFUNC()).toString()",
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GLOBAL_OBJECT,
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eval("var MYFUNC = new Function('return eval(\"this.toString()\")'); (MYFUNC()).toString()") );
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// this and eval( this ) in anonymous code called as a constructor should return the object
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testcases[item++] = new TestCase( SECTION,
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"Anonymous Code: var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()",
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"[object Object]",
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eval("var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()") );
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testcases[item++] = new TestCase( SECTION,
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"Anonymous Code: var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1",
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true,
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eval("var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") );
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testcases[item++] = new TestCase( SECTION,
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"Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC().THIS).toString()",
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"[object Object]",
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eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC()).THIS).toString()") );
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testcases[item++] = new TestCase( SECTION,
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"Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1",
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true,
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eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") );
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// this and eval(this) in function code called as a function should return the global object.
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testcases[item++] = new TestCase( SECTION,
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"Function Code: ReturnThis()",
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GLOBAL_OBJECT,
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ReturnThis() );
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testcases[item++] = new TestCase( SECTION,
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"Function Code: ReturnEvalThis()",
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GLOBAL_OBJECT,
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ReturnEvalThis() );
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// this and eval(this) in function code called as a contructor should return the object.
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testcases[item++] = new TestCase( SECTION,
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"var MYOBJECT = new ReturnThis(); MYOBJECT.toString()",
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"[object Object]",
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eval("var MYOBJECT = new ReturnThis(); MYOBJECT.toString()") );
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testcases[item++] = new TestCase( SECTION,
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"var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()",
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"[object Object]",
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eval("var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()") );
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test();
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function test() {
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for ( tc=0; tc < testcases.length; tc++ ) {
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testcases[tc].passed = writeTestCaseResult(
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testcases[tc].expect,
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testcases[tc].actual,
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testcases[tc].description +" = "+
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testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
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}
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stopTest();
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return ( testcases );
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}
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function ReturnThis() {
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return this.toString();
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}
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function ReturnEvalThis() {
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return( eval("this.toString()") );
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} |