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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=430723
-->
<head>
  <title>Test for Bug 430723</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" 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=430723">Mozilla Bug 430723</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
//<![CDATA[

/** Test for Bug 430723 **/

var gTallRedBoxURI = "data:text/html;charset=utf-8;base64,PGh0bWw%2BPGhlYWQ%2BPHNjcmlwdD53aW5kb3cuYWRkRXZlbnRMaXN0ZW5lcigncGFnZXNob3cnLCBmdW5jdGlvbigpe29wZW5lci5uZXh0VGVzdCgpO30sIGZhbHNlKTs8L3NjcmlwdD48L2hlYWQ%2BPGJvZHk%2BPGRpdiBzdHlsZT0icG9zaXRpb246YWJzb2x1dGU7IGxlZnQ6MHB4OyB0b3A6MHB4OyB3aWR0aDo1MCU7IGhlaWdodDoxNTAlOyBiYWNrZ3JvdW5kLWNvbG9yOnJlZCI%2BPHA%2BVGhpcyBpcyBhIHZlcnkgdGFsbCByZWQgYm94LjwvcD48L2Rpdj48L2JvZHk%2BPC9odG1sPg%3D%3D";
// <html><head>
// < script > window.addEventListener("pageshow", function(){opener.nextTest();}, false); < /script > 
// </head><body>
// <div style="position:absolute; left:0px; top:0px; width:50%; height:150%; background-color:red">
// <p>This is a very tall red box.</p>
// </div></body></html>

var gTallBlueBoxURI = "data:text/html;charset=utf-8;base64,PGh0bWw%2BPGhlYWQ%2BPHNjcmlwdD53aW5kb3cuYWRkRXZlbnRMaXN0ZW5lcigncGFnZXNob3cnLCBmdW5jdGlvbigpe29wZW5lci5uZXh0VGVzdCgpO30sIGZhbHNlKTs8L3NjcmlwdD48L2hlYWQ%2BPGJvZHk%2BPGRpdiBzdHlsZT0icG9zaXRpb246YWJzb2x1dGU7IGxlZnQ6MHB4OyB0b3A6MHB4OyB3aWR0aDo1MCU7IGhlaWdodDoxNTAlOyBiYWNrZ3JvdW5kLWNvbG9yOmJsdWUiPjxwPlRoaXMgaXMgYSB2ZXJ5IHRhbGwgYmx1ZSBib3guPC9wPjwvZGl2PjwvYm9keT48L2h0bWw%2B";
// <html><head>
// < script > window.addEventListener("pageshow", function(){opener.nextTest();}, false); < /script > 
// </head><body>
// <div style="position:absolute; left:0px; top:0px; width:50%; height:150%; background-color:blue">
// <p>This is a very tall blue box.</p>
// </div></body></html>


window.onload = runTest;

var testWindow;
var testNum = 0;

var smoothScrollPref = "general.smoothScroll";
function runTest() {
  SpecialPowers.setBoolPref(smoothScrollPref, false);
  testWindow = window.open(gTallRedBoxURI, "testWindow", "width=300,height=300,location=yes,scrollbars=yes");
}

var nextTest =function() {
  testNum++;
  switch (testNum) {
    case 1: setTimeout(step1, 0); break;
    case 2: setTimeout(step2, 0); break;
    case 3: setTimeout(step3, 0); break;
  };
}

var step1 =function() {
  window.is(testWindow.location, gTallRedBoxURI, "Ensure red page loaded.");
  
  // Navigate down and up.
  is(testWindow.document.body.scrollTop, 0,
     "Page1: Ensure we scrollpane is at the top before we start scrolling.");
  testWindow.addEventListener("scroll", function () {
    testWindow.removeEventListener("scroll", arguments.callee, true);
    isnot(testWindow.document.body.scrollTop, 0,
          "Page1: Ensure we can scroll down.");
    SimpleTest.executeSoon(step1_2);
  }, true);
  sendKey('DOWN', testWindow);

  function step1_2() {
    testWindow.addEventListener("scroll", function () {
      testWindow.removeEventListener("scroll", arguments.callee, true);
      is(testWindow.document.body.scrollTop, 0,
         "Page1: Ensure we can scroll up, back to the top.");  

      // Nav to blue box page. This should fire step2.
      testWindow.location = gTallBlueBoxURI;
    }, true);
    sendKey('UP', testWindow);
  }
}


var step2 =function() {    
  window.is(testWindow.location, gTallBlueBoxURI, "Ensure blue page loaded.");

  // Scroll around a bit.
  is(testWindow.document.body.scrollTop, 0,
     "Page2: Ensure we scrollpane is at the top before we start scrolling.");

  var count = 0;
  testWindow.addEventListener("scroll", function () {
    if (++count < 4) {
      SimpleTest.executeSoon(function () { sendKey('DOWN', testWindow); });
    } else {
      testWindow.removeEventListener("scroll", arguments.callee, true);

      isnot(testWindow.document.body.scrollTop, 0,
            "Page2: Ensure we could scroll.");

      // Navigate backwards. This should fire step3.
      testWindow.history.back();
    }
  }, true);
  sendKey('DOWN', testWindow);
}

var step3 =function() {
  window.is(testWindow.location, gTallRedBoxURI,
            "Ensure red page restored from history.");

  // Check we can still scroll with the keys.
  is(testWindow.document.body.scrollTop, 0,
     "Page1Again: Ensure scroll pane at top before we scroll.");  
  testWindow.addEventListener("scroll", function () {
    testWindow.removeEventListener("scroll", arguments.callee, true);

    isnot(testWindow.document.body.scrollTop, 0,
          "Page2Again: Ensure we can still scroll.");  

    testWindow.close();
    SpecialPowers.clearUserPref(smoothScrollPref);
    window.SimpleTest.finish();
  }, true);
  sendKey('DOWN', testWindow);
}

SimpleTest.waitForExplicitFinish();

//]]>
</script>
</pre>
</body>
</html>