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/pi-generator.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,59 @@
     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 = "A (slow) generator of pi";
    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 pi()
    1.22 +{
    1.23 +  var val = 0;
    1.24 +  var curr = 1;
    1.25 +  var isNeg = false;
    1.26 +  while (true)
    1.27 +  {
    1.28 +    if (isNeg)
    1.29 +      yield val -= 4/curr;
    1.30 +    else
    1.31 +      yield val += 4/curr;
    1.32 +    curr += 2;
    1.33 +    isNeg = !isNeg;
    1.34 +  }
    1.35 +}
    1.36 +
    1.37 +var failed = false;
    1.38 +var it = pi();
    1.39 +
    1.40 +var vals =
    1.41 +  [4,
    1.42 +   4 - 4/3,
    1.43 +   4 - 4/3 + 4/5,
    1.44 +   4 - 4/3 + 4/5 - 4/7];
    1.45 +
    1.46 +try
    1.47 +{
    1.48 +  for (var i = 0, sz = vals.length; i < sz; i++)
    1.49 +    if (it.next() != vals[i])
    1.50 +      throw vals[i];
    1.51 +}
    1.52 +catch (e)
    1.53 +{
    1.54 +  failed = e;
    1.55 +}
    1.56 +
    1.57 +
    1.58 +
    1.59 +expect = false;
    1.60 +actual = failed;
    1.61 +
    1.62 +reportCompare(expect, actual, summary);