JSTests/test262/test/built-ins/Array/prototype/indexOf/15.4.4.14-8-2.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.indexof
description: >
    Array.prototype.indexOf returns correct index when 'fromIndex' is
    -1
---*/

assert.sameValue([1, 2, 3, 4].indexOf(4, -1), 3, '[1, 2, 3, 4].indexOf(4, -1)');