rhino1.7.6.testsrc.tests.js1_7.geniter.nested-yield.js Maven / Gradle / Ivy

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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

var gTestfile = 'nested-yield.js';
//-----------------------------------------------------------------------------
var BUGNUMBER     = "(none)";
var summary = "YieldExpression is and contains an AssignmentExpression";
var actual, expect;

printBugNumber(BUGNUMBER);
printStatus(summary);

/**************
 * BEGIN TEST *
 **************/

var failed = false;

function gen()
{
  yield (yield (yield 7));
}

var it = gen();

try
{
  if (it.next() != 7)
    throw "7 not yielded";
  if (it.send(17) != 17)
    throw "passed-in 17 not yielded";
  if (it.send(undefined) !== undefined)
    throw "should be able to yield undefined";

  var stopPassed = false;
  try
  {
    it.next();
  }
  catch (e)
  {
    if (e === StopIteration)
      stopPassed = true;
  }

  if (!stopPassed)
    throw "it: missing or incorrect StopIteration";
}
catch (e)
{
  failed = e;
}

expect = false;
actual = failed;

reportCompare(expect, actual, summary);