author Sebastian Hengst <>
Fri, 14 Apr 2017 23:39:22 +0200
changeset 401420 d523c49136775a7187486dbc96858a2cb0383bfb
parent 396172 a2ee4de4944ca8dd2e8a97046a625eb86a85f64d
child 494882 58adc643dcdc20eccb4d30bc454b50420e96c020
permissions -rw-r--r--
Backed out changeset 322fde2d53bf (bug 1356569) so bug 1355161 can be backed out. r=backout

  <title>Test for Bug 662170</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<a target="_blank" href="">Mozilla Bug 662170</a>

<script type="application/javascript">

/** Test for Bug 662170 **/

function childLoad() {
  // Spin the event loop so we leave the onload handler.

function childLoad2() {
  let cw = $('iframe').contentWindow;

  // When we initially load the page, we should be at the top.
  is(cw.pageYOffset, 0, 'Initial Y offset should be 0.');

  // Scroll the iframe to the bottom.
  cw.scrollTo(0, 300);

  // Did we actually scroll somewhere?
  isnot(Math.round(cw.pageYOffset), 0, 'Y offset should be non-zero after scrolling.');

  // Now load file_bug662170.html#, which should take us to the top of the
  // page.
  cw.location = cw.location + '#';

  is(cw.pageYOffset, 0, 'Correct Y offset after loading #.');


<!-- When the iframe loads, it calls childLoad(). -->
<iframe height='100px' id='iframe' src='file_bug662170.html'></iframe>