regress-465476.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 = 465476;

var summary = '"-0" and "0" are distinct properties.';

var actual = '';

var expect = '';

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

test();

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

function test()

  printBugNumber(BUGNUMBER);

  printStatus (summary);

  var x = { "0": 3, "-0": 7 };

  expect = actual = 'No Exception';

try

    if (!("0" in x))

      throw "0 not in x";

    if (!("-0" in x))

      throw "-0 not in x";

    delete x[0];

    if ("0" in x)

      throw "0 in x after delete";

    if (!("-0" in x))

      throw "-0 removed from x after unassociated delete";

    delete x["-0"];

    if ("-0" in x)

      throw "-0 in x after delete";

    x[0] = 3;

    if (!("0" in x))

      throw "0 not in x after insertion of 0 property";

    if ("-0" in x)

      throw "-0 in x after insertion of 0 property";

    x["-0"] = 7;

    if (!("-0" in x))

      throw "-0 not in x after reinsertion";

    var props = [];

    for (var i in x)

      props.push(i);

    if (props.length !== 2)

      throw "not all props found!";

  catch(ex)

    actual = ex + '';

  reportCompare(expect, actual, summary);