The Tor Browser: js/src/tests/js1_7/geniter/throw-after-close.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 //-----------------------------------------------------------------------------

     7 var BUGNUMBER     = "(none)";

     8 var summary = "gen.close(); gen.throw(ex) throws ex forever";

     9 var actual, expect;

    11 printBugNumber(BUGNUMBER);

    12 printStatus(summary);

    14 /**************

    15  * BEGIN TEST *

    16  **************/

    18 function gen()

    19 {

    20   var x = 5, y = 7;

    21   var z = x + y;

    22   yield z;

    23 }

    25 var failed = false;

    26 var it = gen();

    28 try

    29 {

    30   it.close();

    32   // throw on closed generators just rethrows

    33   var doThrow = true;

    34   var thrown = "foobar";

    35   try

    36   {

    37     it.throw(thrown);

    38   }

    39   catch (e)

    40   {

    41     if (e === thrown)

    42       doThrow = false;

    43   }

    45   if (doThrow)

    46     throw "it.throw(\"" + thrown + "\") failed";

    48   // you can throw stuff at a closed generator forever

    49   doThrow = true;

    50   thrown = "sparky";

    51   try

    52   {

    53     it.throw(thrown);

    54   }

    55   catch (e)

    56   {

    57     if (e === thrown)

    58       doThrow = false;

    59   }

    61   if (doThrow)

    62     throw "it.throw(\"" + thrown + "\") failed";

    64   // don't execute a yield -- the uncaught exception

    65   // exhausted the generator

    66   var stopPassed = false;

    67   try

    68   {

    69     it.next();

    70   }

    71   catch (e)

    72   {

    73     if (e === StopIteration)

    74       stopPassed = true;

    75   }

    77   if (!stopPassed)

    78     throw "invalid or incorrect StopIteration";

    79 }

    80 catch (e)

    81 {

    82   failed = e;

    83 }

    87 expect = false;

    88 actual = failed;

    90 reportCompare(expect, actual, summary);

The Tor Browser / file revision