regress-348532.js - mozsearch

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// |reftest| slow skip-if(Android)

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 348532;

var summary = 'Do not overflow int when constructing Error.stack';

var actual = '';

var expect = '';

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

test();

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

function test()

  printBugNumber(BUGNUMBER);

  printStatus (summary);

  expectExitCode(0);

  expectExitCode(3);

  actual = 0;

  // construct string of 1<<23 characters

  var s = Array((1<<23)+1).join('x');

  var recursionDepth = 0;

  function err() {

    try {

        return err.apply(this, arguments);

    } catch (e) {

        if (!(e instanceof InternalError))

            throw e;

    return new Error();

  // The full stack trace in error would include 64*4 copies of s exceeding

  //  2^23 * 256 or 2^31 in length

  var error = err(s,s,s,s);

  print(error.stack.length);

  expect = true;

  actual = (error.stack.length > 0);

  reportCompare(expect, actual, summary);