js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-4.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

// 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 must return correct index(undefined)
---*/

var obj = {
  toString: function() {
    return undefined;
  }
};
var _undefined1 = undefined;
var _undefined2;
var a = new Array(_undefined1, _undefined2, undefined, true, 0, false, null, 1, "undefined", obj, 1);

assert.sameValue(a.lastIndexOf(undefined), 2, 'a.lastIndexOf(undefined)');

reportCompare(0, 0);