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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=511075
-->
<head>
  <title>Test for Bug 511075</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style>
  #scroller {
    border: 1px solid black;
  }
  </style>
</head>
<body onload="runTests()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=511075">Mozilla Bug 511075</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 511075 **/

SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");

var tests = [
  function() {
    ok(true, "Setting location.hash should scroll.");
    nextTest();
    // Click the top scroll arrow.
    var x = scroller.getBoundingClientRect().width - 5;
    var y = 5;
    // On MacOSX the top scroll arrow can be below the slider just above
    // the bottom scroll arrow.
    if (navigator.platform.includes("Mac"))
      y = scroller.getBoundingClientRect().height - 40;
    synthesizeMouse(scroller, x, y, { type : "mousedown" }, window);
    synthesizeMouse(scroller, x, y, { type: "mouseup" }, window);
  },
  function() {
    ok(true, "Clicking the top scroll arrow should scroll.");
    nextTest();
    // Click the bottom scroll arrow.
    var x = scroller.getBoundingClientRect().width - 5;
    var y = scroller.getBoundingClientRect().height - 25;
    synthesizeMouse(scroller, x, y, { type : "mousedown" }, window);
    synthesizeMouse(scroller, x, y, { type: "mouseup" }, window);
  },
  function() {
    ok(true, "Clicking the bottom scroll arrow should scroll.");
    nextTest();
    // Click the scrollbar.
    var x = scroller.getBoundingClientRect().width - 5;
    synthesizeMouse(scroller, x, 40, { type : "mousedown" }, window);
    synthesizeMouse(scroller, x, 40, { type: "mouseup" }, window);
  },
  function() {
    ok(true, "Clicking the scrollbar should scroll");
    nextTest();
    // Click the scrollbar.
    var x = scroller.getBoundingClientRect().width - 5;
    var y = scroller.getBoundingClientRect().height - 50;
    synthesizeMouse(scroller, x, y, { type : "mousedown" }, window);
    synthesizeMouse(scroller, x, y, { type: "mouseup" }, window);
  },
  function() {
    scroller.onscroll = null;
    ok(true, "Clicking the scrollbar should scroll");
    finish();
  }
];

document.onmousedown = function () { return false; };
document.onmouseup = function () { return true; };


var scroller;
var timer = 0;

function failure() {
  ok(false, scroller.onscroll + " did not run!");
  scroller.onscroll = null;
  finish();
}

function nextTest() {
  clearTimeout(timer);
  scroller.onscroll = tests.shift();
  timer = setTimeout(failure, 2000);
}

function runTests() {
  scroller = document.getElementById("scroller");
  nextTest();
  window.location.hash = "initialPosition";
}

function finish() {
  document.onmousedown = null;
  document.onmouseup = null;
  clearTimeout(timer);
  window.location.hash = "topPosition";
  SimpleTest.finish();
}


</script>
</pre>
<div id="scroller" style="overflow: scroll; width: 100px; height: 150px;">
<a id="topPosition" name="topPosition">top</a>
<div style="width: 20000px; height: 20000px;"></div>
<a id="initialPosition" name="initialPosition">initialPosition</a>
<div style="width: 20000px; height: 20000px;"></div>
</div>
</body>
</html>