js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-b-i-14.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-array.prototype.lastindexof
description: >
    Array.prototype.lastIndexOf - element to be retrieved is own
    accessor property that overrides an inherited accessor property on
    an Array-like object
---*/

var obj = {
  length: 1
};

Object.defineProperty(Object.prototype, "0", {
  get: function() {
    return false;
  },
  configurable: true
});

Object.defineProperty(obj, "0", {
  get: function() {
    return true;
  },
  configurable: true
});

assert.sameValue(Array.prototype.lastIndexOf.call(obj, true), 0, 'Array.prototype.lastIndexOf.call(obj, true)');

reportCompare(0, 0);