<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=640387
-->
<head>
  <title>Test for Bug 640387</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=640387">Mozilla Bug 640387</a>

<!-- Test that, when going from

  http://example.com/#foo

to

  http://example.com/

via a non-history load, we do a true load, rather than a scroll. -->

<script type='application/javascript'>
SimpleTest.waitForExplicitFinish();

var callbackOnLoad = false;
function childLoad() {
  if (callbackOnLoad) {
    callbackOnLoad = false;
    gGen.next();
  }
}

var errorOnHashchange = false;
var callbackOnHashchange = false;
function childHashchange() {
  if (errorOnHashchange) {
    ok(false, "Got unexpected hashchange.");
  }
  if (callbackOnHashchange) {
    callbackOnHashchange = false;
    gGen.next();
  }
}

function* run_test() {
  var iframe = $("iframe").contentWindow;

  ok(true, "Got first load");

  // Spin the event loop so we exit the onload handler.
  SimpleTest.executeSoon(function() { gGen.next(); });
  yield undefined;

  let origLocation = iframe.location + "";
  callbackOnHashchange = true;
  iframe.location.hash = "#1";
  // Wait for a hashchange event.
  yield undefined;

  ok(true, "Got hashchange.");

  iframe.location = origLocation;
  // This should produce a load event and *not* a hashchange, because the
  // result of the load is a different document than we had previously.
  callbackOnLoad = true;
  errorOnHashchange = true;
  yield undefined;

  ok(true, "Got final load.");

  // Spin the event loop to give hashchange a chance to fire, if it's going to.
  SimpleTest.executeSoon(function() { gGen.next(); });
  yield undefined;

  SimpleTest.finish();
}

callbackOnLoad = true;
var gGen = run_test();

</script>

<iframe id='iframe' src='file_bug640387.html'></iframe>

</body>
</html>
