File: test-bug-632347-iterators-generators.html

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Web Console test for bug 632347 - iterators and generators</title>
    <!-- Any copyright is dedicated to the Public Domain.
         http://creativecommons.org/publicdomain/zero/1.0/ -->
<script type="application/javascript;version=1.8">
(function(){
function genFunc() {
  var a = 5;
  while (a < 10) {
    yield a++;
  }
}

window.gen1 = genFunc();
gen1.next();

var obj = { foo: "bar", baz: "baaz", hay: "stack" };
window.iter1 = Iterator(obj);

function Range(low, high) {
  this.low = low;
  this.high = high;
}

function RangeIterator(range) {
  this.range = range;
  this.current = this.range.low;
}

RangeIterator.prototype.next = function() {
  if (this.current > this.range.high) {
    throw StopIteration;
  } else {
    return this.current++;
  }
}

Range.prototype.__iterator__ = function() {
  return new RangeIterator(this);
}

window.iter2 = new Range(3, 15);

window.gen2 = (i * 2 for (i in iter2));
})();
</script>
  </head>
  <body>
    <p>Web Console test for bug 632347 - iterators and generators.</p>
  </body>
</html>