test262/test/language/arguments-object/S10.1.6_A1_T2.js

34 lines
1.1 KiB
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: |
The activation object is initialised with a property with name arguments
and attributes {DontDelete}
es5id: 10.1.6_A1_T2
description: Checking funtion which returns property "arguments"
---*/
var ARG_STRING = "value of the argument property";
function f1() {
this.constructor.prototype.arguments = ARG_STRING;
return arguments;
}
//CHECK#1
if ((new f1(1,2,3,4,5)).length !== 5)
throw new Test262Error('#1: (new f1(1,2,3,4,5)).length===5, where f1 returns "arguments" that is set to "'+ ARG_STRING + '"');
//CHECK#2
if ((new f1(1,2,3,4,5))[3] !== 4)
throw new Test262Error('#2: (new f1(1,2,3,4,5))[3]===4, where f1 returns "arguments" that is set to "'+ ARG_STRING + '"');
//CHECK#3
var x = new f1(1,2,3,4,5);
if (delete x[3] !== true)
throw new Test262Error('#3.1: Function parameters have attribute {DontDelete}');
if (x[3] === 4)
throw new Test262Error('#3.2: Function parameters have attribute {DontDelete}');