15.2.3.4-02.js - mozsearch

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/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

 * Contributor:

 *   Jeff Walden <jwalden+code@mit.edu>

*/

//-----------------------------------------------------------------------------

var BUGNUMBER = 518663;

var summary = 'Object.getOwnPropertyNames: array objects';

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

var a, names, expected;

function arraysEqual(a1, a2)

  return a1.length === a2.length &&

         a1.every(function(v, i) { return v === a2[i]; });

a = [0, 1, 2];

names = Object.getOwnPropertyNames(a).sort();

expected = ["0", "1", "2", "length"].sort();

a = [1, , , 7];

a.p = 2;

Object.defineProperty(a, "q", { value: 42, enumerable: false });

names = Object.getOwnPropertyNames(a).sort();

expected = ["0", "3", "p", "q", "length"].sort();

assertEq(arraysEqual(names, expected), true);

a = [];

names = Object.getOwnPropertyNames(a).sort();

expected = ["length"];

assertEq(arraysEqual(names, expected), true);

/******************************************************************************/

reportCompare(true, true);

print("All tests passed!");