nested-yield.js - mozsearch

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/* -*- indent-tabs-mode: nil; js-indent-level: 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 summary = "YieldExpression is and contains an AssignmentExpression";

var actual, expect;

printStatus(summary);

/**************

 * BEGIN TEST *

 **************/

var failed = false;

function* gen()

  yield (yield (yield 7));

var it = gen();

try

  if (it.next().value != 7)

    throw "7 not yielded";

  if (it.next(17).value != 17)

    throw "passed-in 17 not yielded";

  if (it.next(undefined).value !== undefined)

    throw "should be able to yield undefined";

  it.next();

catch (e)

  failed = e;

expect = false;

actual = failed;

reportCompare(expect, actual, summary);