test_bug511075.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=511075

-->

<head>

  <title>Test for Bug 511075</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"/>

  <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>