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 /* -*- 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 = 394709;

 var summary = 'Do not leak with object.watch and closure';

 var actual = 'No Leak';

 var expect = 'No Leak';

 if (typeof countHeap == 'undefined')

 {

   countHeap = function () { 

     print('This test requires countHeap which is not supported'); 

     return 0;

   };

 }

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

 test();

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

 function test()

 {

   enterFunc ('test');

   printBugNumber(BUGNUMBER);

   printStatus (summary);

   // Ensure that we flush all values so that gc() collects all objects that

   // the user cannot reach from JS.

   eval();

   runtest();

   gc();

   var count1 = countHeap();

   runtest();

   gc();

   var count2 = countHeap();

   runtest();

   gc();

   var count3 = countHeap();

   /* Try to be tolerant of conservative GC noise: we want a steady leak. */

   if (count1 < count2 && count2 < count3)

     throw "A leaky watch point is detected";

   function runtest () {

     var obj = { b: 0 };

     obj.watch('b', watcher);

     function watcher(id, old, value) {

       ++obj.n;

       return value;

     }

   }

   reportCompare(expect, actual, summary);

   exitFunc ('test');

 }