js/src/tests/js1_7/geniter/nested-yield.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_7/geniter/nested-yield.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,58 @@
     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 = "YieldExpression is and contains an AssignmentExpression";
    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 +var failed = false;
    1.22 +
    1.23 +function gen()
    1.24 +{
    1.25 +  yield (yield (yield 7));
    1.26 +}
    1.27 +
    1.28 +var it = gen();
    1.29 +
    1.30 +try
    1.31 +{
    1.32 +  if (it.next() != 7)
    1.33 +    throw "7 not yielded";
    1.34 +  if (it.send(17) != 17)
    1.35 +    throw "passed-in 17 not yielded";
    1.36 +  if (it.send(undefined) !== undefined)
    1.37 +    throw "should be able to yield undefined";
    1.38 +
    1.39 +  var stopPassed = false;
    1.40 +  try
    1.41 +  {
    1.42 +    it.next();
    1.43 +  }
    1.44 +  catch (e)
    1.45 +  {
    1.46 +    if (e === StopIteration)
    1.47 +      stopPassed = true;
    1.48 +  }
    1.49 +
    1.50 +  if (!stopPassed)
    1.51 +    throw "it: missing or incorrect StopIteration";
    1.52 +}
    1.53 +catch (e)
    1.54 +{
    1.55 +  failed = e;
    1.56 +}
    1.57 +
    1.58 +expect = false;
    1.59 +actual = failed;
    1.60 +
    1.61 +reportCompare(expect, actual, summary);

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