regress-383269-01.js

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// |reftest| random -- unreliable - based on GC timing

/* -*- 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 = 383269;

var summary = 'Leak related to arguments object';

var actual = 'No Leak';

var expect = 'No Leak';

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

test();

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

function 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 outer() {  var x = arguments; return function inner() { return x }; }

  function timed_gc()

    var t1 = Date.now();

    gc();

    return Date.now() - t1;

  outer(1);

  gc();

  var base_time = timed_gc();

  var f = outer(generate_big_object_graph());

  f = null;

  gc();

  var time = timed_gc();

  if (time > (base_time + 1) * 3)

    actual = "generate_big_object_graph() leaked, base_gc_time="+base_time+", last_gc_time="+time;

  reportCompare(expect, actual, summary);