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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 = 341956;

 var summary = 'GC Hazards in jsarray.c - unshift';

 var actual = 'No Crash';

 var expect = 'No Crash';

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

 test();

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

 function test()

 {

   enterFunc ('test');

   printBugNumber(BUGNUMBER);

   printStatus (summary);

   var N = 0xFFFFFFFF;

   var a = [];

   a[N - 1] = 1;

   a.__defineGetter__(N - 1, function() {

 		       var tmp = [];

 		       tmp[N - 2] = 0;

 		       if (typeof gc == 'function')

 			 gc();

 		       for (var i = 0; i != 50000; ++i) {

 			 var tmp = 1 / 3;

 			 tmp /= 10;

 		       }

 		       for (var i = 0; i != 1000; ++i) {

 			 // Make string with 11 characters that would take

 			 // (11 + 1) * 2 bytes or sizeof(JSAtom) so eventually

 			 // malloc will ovewrite just freed atoms.

 			 var tmp2 = Array(12).join(' ');

 		       }

 		       return 10;

 		     });

 // The following always-throw getter is to stop unshift from doing

 // 2^32 iterations.

   var toStop = "stringToStop";

   a[N - 3] = 0;

   a.__defineGetter__(N - 3, function() { throw toStop; });

   var good = false;

   try {

     a.unshift(1);

   } catch (e) {

     if (e === toStop)

       good = true;

   }

   expect = true;

   actual = good;

   reportCompare(expect, actual, summary);

   print('Done');

   exitFunc ('test');

 }