js/src/tests/js1_7/geniter/simple-fib.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/simple-fib.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,55 @@
     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     = 326466;  // bug 326466, comment 1
    1.11 +var summary = "Simple Fibonacci iterator";
    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 +  var a = 0, b = 1;
    1.24 +  while (true)
    1.25 +  {
    1.26 +    yield a;
    1.27 +    var t = a;
    1.28 +    a = b;
    1.29 +    b += t;
    1.30 +  }
    1.31 +}
    1.32 +
    1.33 +var failed = false;
    1.34 +
    1.35 +try
    1.36 +{
    1.37 +  var g = fib();
    1.38 +
    1.39 +  if (g.next() != 0)
    1.40 +    throw "F_0 = 0";
    1.41 +  if (g.next() != 1)
    1.42 +    throw "F_1 = 1";
    1.43 +  if (g.next() != 1)
    1.44 +    throw "F_2 = 1";
    1.45 +  if (g.next() != 2)
    1.46 +    throw "F_3 = 2";
    1.47 +}
    1.48 +catch (e)
    1.49 +{
    1.50 +  failed = e;
    1.51 +}
    1.52 +
    1.53 +
    1.54 +
    1.55 +expect = false;
    1.56 +actual = failed;
    1.57 +
    1.58 +reportCompare(expect, actual, summary);

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