File: 15.2.3.6-4-171.js

package info (click to toggle)
qtdeclarative-opensource-src 5.15.8%2Bdfsg-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 259,256 kB
  • sloc: javascript: 512,396; cpp: 495,775; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 62; php: 27
file content (22 lines) | stat: -rw-r--r-- 939 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-4-171
description: >
    Object.defineProperty - 'O' is an Array, 'name' is the length
    property of 'O', the [[Value]] field of 'desc' is less than value
    of  the length property, test the [[Configurable]] attribute of an
    inherited data property with large index named in 'O' can't stop
    deleting index named properties (15.4.5.1 step 3.l.ii)
---*/

var arrObj = [0, 1];

Array.prototype[1] = 2; // Not setting the [[Configurable]] attribute of property "1" to false here, since Array.prototype is a global object, and non-configurbale property can't revert to configurable
Object.defineProperty(arrObj, "length", {
  value: 1
});

assert.sameValue(arrObj.length, 1, 'arrObj.length');
assert.sameValue(arrObj.hasOwnProperty("1"), false, 'arrObj.hasOwnProperty("1")');