<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=691547
-->
<head>
  <title>Test for Bug 691547</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">
     var navStart = 0;
     var beforeReload = 0;
     function onContentLoad() {
       var frame = frames[0];
       if (!navStart) {
         // First time we perform navigation in subframe. The bug is that
         // load in subframe causes timing.navigationStart to be recorded
         // as if it was a start of the next navigation.
         var innerFrame = frame.frames[0];
         navStart = frame.performance.timing.navigationStart;
         innerFrame.location = "bug570341_recordevents.html";
         // Let's wait a bit so the difference is clear anough.
         setTimeout(reload, 3000);
       } else {
         // Content reloaded, time to check. We are allowing a huge time slack,
         // in case clock is imprecise. If we have a bug, the difference is
         // expected to be about the timeout value set above.
         var diff = frame.performance.timing.navigationStart - beforeReload;
         ok(diff >= -200,
            "navigationStart should be set after reload request. " +
            "Measured difference: " + diff + " (should be positive)");
         SimpleTest.finish();
       }
     }
     function reload() {
       var frame = frames[0];
       ok(navStart == frame.performance.timing.navigationStart,
          "navigationStart should not change when frame loads.");
       beforeReload = Date.now();
       frame.location.reload();
     }
  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=570341">Mozilla Bug 570341</a>
<div id="frames">
<iframe name="frame0" id="frame0" src="bug691547_frame.html" onload="onContentLoad()"></iframe>
</div>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");
</script>
</pre>
</body>
</html>
