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/extensions/basic-for-each.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,90 @@
     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     = "346582";
    1.11 +var summary = "Basic support for iterable objects and for-each";
    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 +var iterable = { persistedProp: 17 };
    1.24 +
    1.25 +function Array_equals(a, b)
    1.26 +{
    1.27 +  if (!(a instanceof Array) || !(b instanceof Array))
    1.28 +    throw new Error("Arguments not both of type Array");
    1.29 +  if (a.length != b.length)
    1.30 +    return false;
    1.31 +  for (var i = 0, sz = a.length; i < sz; i++)
    1.32 +    if (a[i] !== b[i])
    1.33 +      return false;
    1.34 +  return true;
    1.35 +}
    1.36 +
    1.37 +try
    1.38 +{
    1.39 +  // nothing unusual so far -- verify basic properties
    1.40 +  for (var i in iterable)
    1.41 +  {
    1.42 +    if (i != "persistedProp")
    1.43 +      throw "no persistedProp!";
    1.44 +    if (iterable[i] != 17)
    1.45 +      throw "iterable[\"persistedProp\"] == 17";
    1.46 +  }
    1.47 +
    1.48 +  var keys = ["foo", "bar", "baz"];
    1.49 +  var vals = [6, 5, 14];
    1.50 +
    1.51 +  iterable.__iterator__ =
    1.52 +    function(keysOnly)
    1.53 +    {
    1.54 +      var gen =
    1.55 +      function()
    1.56 +      {
    1.57 +	for (var i = 0; i < keys.length; i++)
    1.58 +	{
    1.59 +	  if (keysOnly)
    1.60 +	    yield keys[i];
    1.61 +	  else
    1.62 +	    yield [keys[i], vals[i]];
    1.63 +	}
    1.64 +      };
    1.65 +      return gen();
    1.66 +    };
    1.67 +
    1.68 +  // for each sets keysOnly==false
    1.69 +  var index = 0;
    1.70 +  for each (var v in iterable)
    1.71 +  {
    1.72 +    if (!Array_equals(v, [keys[index], vals[index]]))
    1.73 +      throw "for-each iteration failed on index=" + index + "!";
    1.74 +    index++;
    1.75 +  }
    1.76 +  if (index != keys.length)
    1.77 +    throw "not everything iterated!  index=" + index +
    1.78 +      ", keys.length=" + keys.length;
    1.79 +
    1.80 +  if (iterable.persistedProp != 17)
    1.81 +    throw "iterable.persistedProp not persisted!";
    1.82 +}
    1.83 +catch (e)
    1.84 +{
    1.85 +  failed = e;
    1.86 +}
    1.87 +
    1.88 +
    1.89 +
    1.90 +expect = false;
    1.91 +actual = failed;
    1.92 +
    1.93 +reportCompare(expect, actual, summary);