js/src/tests/js1_7/geniter/multiple-close.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

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 = "calling it.close multiple times is harmless";
     9 var actual, expect;
    11 printBugNumber(BUGNUMBER);
    12 printStatus(summary);
    14 /**************
    15  * BEGIN TEST *
    16  **************/
    18 function fib()
    19 {
    20   yield 0; // 0
    21   yield 1; // 1
    22   yield 1; // 2
    23   yield 2; // 3
    24   yield 3; // 4
    25   yield 5; // 5
    26   yield 8; // 6
    27 }
    29 var failed = false;
    30 var it = fib();
    32 try
    33 {
    34   if (it.next() != 0)
    35     throw "0 failed";
    37   // closing an already-closed generator is a no-op
    38   it.close();
    39   it.close();
    40   it.close();
    42   var stopPassed = false;
    43   try
    44   {
    45     it.next();
    46   }
    47   catch (e)
    48   {
    49     if (e === StopIteration)
    50       stopPassed = true;
    51   }
    52   if (!stopPassed)
    53     throw "a closed iterator throws StopIteration on next";
    54 }
    55 catch (e)
    56 {
    57   failed = e;
    58 }
    62 expect = false;
    63 actual = failed;
    65 reportCompare(expect, actual, summary);

mercurial