JSTests/test262/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-22.js

// 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 - value of 'fromIndex' which is an
    object, and has an own valueOf method
---*/

var fromIndex = {
  valueOf: function() {
    return 2;
  }
};

var targetObj = function() {};

assert.sameValue([0, true, targetObj, 3, false].lastIndexOf(targetObj, fromIndex), 2, '[0, true, targetObj, 3, false].lastIndexOf(targetObj, fromIndex)');
assert.sameValue([0, true, 3, targetObj, false].lastIndexOf(targetObj, fromIndex), -1, '[0, true, 3, targetObj, false].lastIndexOf(targetObj, fromIndex)');