The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_7/geniter/multiple-close.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,65 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +//-----------------------------------------------------------------------------
    1.10 +var BUGNUMBER     = "(none)";
    1.11 +var summary = "calling it.close multiple times is harmless";
    1.12 +var actual, expect;
    1.13 +
    1.14 +printBugNumber(BUGNUMBER);
    1.15 +printStatus(summary);
    1.16 +
    1.17 +/**************
    1.18 + * BEGIN TEST *
    1.19 + **************/
    1.20 +
    1.21 +function fib()
    1.22 +{
    1.23 +  yield 0; // 0
    1.24 +  yield 1; // 1
    1.25 +  yield 1; // 2
    1.26 +  yield 2; // 3
    1.27 +  yield 3; // 4
    1.28 +  yield 5; // 5
    1.29 +  yield 8; // 6
    1.30 +}
    1.31 +
    1.32 +var failed = false;
    1.33 +var it = fib();
    1.34 +
    1.35 +try
    1.36 +{
    1.37 +  if (it.next() != 0)
    1.38 +    throw "0 failed";
    1.39 +
    1.40 +  // closing an already-closed generator is a no-op
    1.41 +  it.close();
    1.42 +  it.close();
    1.43 +  it.close();
    1.44 +
    1.45 +  var stopPassed = false;
    1.46 +  try
    1.47 +  {
    1.48 +    it.next();
    1.49 +  }
    1.50 +  catch (e)
    1.51 +  {
    1.52 +    if (e === StopIteration)
    1.53 +      stopPassed = true;
    1.54 +  }
    1.55 +  if (!stopPassed)
    1.56 +    throw "a closed iterator throws StopIteration on next";
    1.57 +}
    1.58 +catch (e)
    1.59 +{
    1.60 +  failed = e;
    1.61 +}
    1.62 +
    1.63 +
    1.64 +
    1.65 +expect = false;
    1.66 +actual = failed;
    1.67 +
    1.68 +reportCompare(expect, actual, summary);