test/built-ins/Array/prototype/indexOf/15.4.4.14-5-4.js


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// 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
es5id: 15.4.4.14-5-4
description: Array.prototype.indexOf returns 0 if fromIndex is 'undefined'
---*/

  var a = [1,2,3];

// undefined resolves to 0
assert.sameValue(a.indexOf(1,undefined), 0, 'a.indexOf(1,undefined)');