regress-364104.js - mozsearch

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

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

var BUGNUMBER     = "364104";

var summary = "Array.prototype.indexOf, Array.prototype.lastIndexOf issues " +

  "with the optional second fromIndex argument";

var actual, expect;

printBugNumber(BUGNUMBER);

printStatus(summary);

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

 * BEGIN TEST *

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

var failed = false;

try

  // indexOf

  if ([2].indexOf(2) != 0)

    throw "indexOf: not finding 2!?";

  if ([2].indexOf(2, 0) != 0)

    throw "indexOf: not interpreting explicit second argument 0!";

  if ([2].indexOf(2, 1) != -1)

    throw "indexOf: ignoring second argument with value equal to array length!";

  if ([2].indexOf(2, 2) != -1)

    throw "indexOf: ignoring second argument greater than array length!";

  if ([2].indexOf(2, 17) != -1)

    throw "indexOf: ignoring large second argument!";

  if ([2].indexOf(2, -5) != 0)

    throw "indexOf: calculated fromIndex < 0, should search entire array!";

  if ([2, 3].indexOf(2, -1) != -1)

    throw "indexOf: not handling index == (-1 + 2), element 2 correctly!";

  if ([2, 3].indexOf(3, -1) != 1)

    throw "indexOf: not handling index == (-1 + 2), element 3 correctly!";

  // lastIndexOf

  if ([2].lastIndexOf(2) != 0)

    throw "lastIndexOf: not finding 2!?";

  if ([2].lastIndexOf(2, 1) != 0)

    throw "lastIndexOf: not interpreting explicit second argument 1!?";

  if ([2].lastIndexOf(2, 17) != 0)

    throw "lastIndexOf: should have searched entire array!";

  if ([2].lastIndexOf(2, -5) != -1)

    throw "lastIndexOf: -5 + 1 < 0, so array shouldn't be searched!";

  if ([2].lastIndexOf(2, -2) != -1)

    throw "lastIndexOf: -2 + 1 < 0, so array shouldn't be searched!";

  if ([2, 3].lastIndexOf(2, -1) != 0)

    throw "lastIndexOf: not handling index == (-1 + 2), element 2 correctly!";

  if ([2, 3].lastIndexOf(3, -1) != 1)

    throw "lastIndexOf: not handling index == (-1 + 2), element 3 correctly!";

  if ([2, 3].lastIndexOf(2, -2) != 0)

    throw "lastIndexOf: not handling index == (-2 + 2), element 2 correctly!";

  if ([2, 3].lastIndexOf(3, -2) != -1)

    throw "lastIndexOf: not handling index == (-2 + 2), element 3 correctly!";

  if ([2, 3].lastIndexOf(2, -3) != -1)

    throw "lastIndexOf: calculated fromIndex < 0, shouldn't search array for 2!";

  if ([2, 3].lastIndexOf(3, -3) != -1)

    throw "lastIndexOf: calculated fromIndex < 0, shouldn't search array for 3!";

catch (e)

  failed = e;

expect = false;

actual = failed;

reportCompare(expect, actual, summary);