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/yield-undefined.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,63 @@
     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 +// Note that this syntax isn't in the most recently posted ES4 TG1 wiki export,
    1.11 +// either in the specification parts or in the grammar, so this test might be
    1.12 +// Spidermonkey-specific.
    1.13 +var BUGNUMBER     = "(none)";
    1.14 +var summary = "|yield;| is equivalent to |yield undefined;| ";
    1.15 +var actual, expect;
    1.16 +
    1.17 +printBugNumber(BUGNUMBER);
    1.18 +printStatus(summary);
    1.19 +
    1.20 +/**************
    1.21 + * BEGIN TEST *
    1.22 + **************/
    1.23 +
    1.24 +var failed = false;
    1.25 +
    1.26 +function gen()
    1.27 +{
    1.28 +  yield 7;
    1.29 +  yield;
    1.30 +  yield 3;
    1.31 +}
    1.32 +
    1.33 +var it = gen();
    1.34 +
    1.35 +try
    1.36 +{
    1.37 +  if (it.next() != 7)
    1.38 +    throw "7 not yielded";
    1.39 +  if (it.next() !== undefined)
    1.40 +    throw "|yield;| should be equivalent to |yield undefined;|";
    1.41 +  if (it.next() != 3)
    1.42 +    throw "3 not yielded";
    1.43 +
    1.44 +  var stopPassed = false;
    1.45 +  try
    1.46 +  {
    1.47 +    it.next();
    1.48 +  }
    1.49 +  catch (e)
    1.50 +  {
    1.51 +    if (e === StopIteration)
    1.52 +      stopPassed = true;
    1.53 +  }
    1.54 +
    1.55 +  if (!stopPassed)
    1.56 +    throw "it: missing or incorrect StopIteration";
    1.57 +}
    1.58 +catch (e)
    1.59 +{
    1.60 +  failed = e;
    1.61 +}
    1.62 +
    1.63 +expect = false;
    1.64 +actual = failed;
    1.65 +
    1.66 +reportCompare(expect, actual, summary);