js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-4-10.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

// 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 - 'length' is a number of value -6e-1
---*/

var targetObj = [];
var obj = {
  0: targetObj,
  100: targetObj,
  length: -6e-1
};

assert.sameValue(Array.prototype.lastIndexOf.call(obj, targetObj), -1, 'Array.prototype.lastIndexOf.call(obj, targetObj)');

reportCompare(0, 0);