Mozilla/mozilla/js/tests/js1_5/GC/regress-383269-02.js

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is JavaScript Engine testing utilities.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s): Igor Bukanov
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

var gTestfile = 'regress-383269-02.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 383269;
var summary = 'Leak related to arguments object';
var actual = 'No Leak';
var expect = 'No Leak';


//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------

function test()
{
  enterFunc ('test');
  printBugNumber(BUGNUMBER);
  printStatus (summary);
 
  function generate_big_object_graph()
  {
    var root = {};
    f(root, 17);
    return root;
    function f(parent, depth) {
      if (depth == 0)
        return;
      --depth;
      f(parent.a = {}, depth);
      f(parent.b = {}, depth);
    }
  }

  function f(obj) {
    with (obj)
      return arguments;
  }

  function timed_gc()
  {
    var t1 = Date.now();
    gc();
    return Date.now() - t1;
  }

  var x = f({});
  x = null;
  gc();
  var base_time = timed_gc();

  x = f(generate_big_object_graph());
  x = null;
  gc();
  var time = timed_gc();

  if (time > (base_time + 10) * 3)
    actual = "generate_big_object_graph() leaked, base_gc_time="+base_time+", last_gc_time="+time;

  reportCompare(expect, actual, summary);

  exitFunc ('test');
}