editor/libeditor/tests/test_bug549262.html
author Csoregi Natalia <ncsoregi@mozilla.com>
Wed, 01 Dec 2021 22:45:29 +0200
changeset 600787 d7af815713793a815d1a10a9cb097c7d6261fa2e
parent 551429 ed5db469471ecba3694496e08f5ef5fbfc330a85
permissions -rw-r--r--
Backed out changeset c730f6ed4350 (bug 1743809) for causing failures on MediaRecorder-peerconnection.https.html. a=backout

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=549262
-->
<head>
  <title>Test for Bug 549262</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script type="text/javascript" src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=549262">Mozilla Bug 549262</a>
<p id="display"></p>
<div id="content">
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 549262 **/

var smoothScrollPref = "general.smoothScroll";
SimpleTest.waitForExplicitFinish();
var win = window.open("file_bug549262.html", "_blank",
                      "width=600,height=600,scrollbars=yes");

function waitForScrollEvent(aWindow) {
  return new Promise(resolve => {
    aWindow.addEventListener("scroll", () => { SimpleTest.executeSoon(resolve); }, {once: true, capture: true});
  });
}

function waitAndCheckNoScrollEvent(aWindow) {
  let gotScroll = false;
  function recordScroll() {
    gotScroll = true;
  }
  aWindow.addEventListener("scroll", recordScroll, {capture: true});
  return waitToClearOutAnyPotentialScrolls(aWindow).then(function() {
        aWindow.removeEventListener("scroll", recordScroll, {capture: true});
        is(gotScroll, false, "check that we didn't get a scroll");
      });
}

SimpleTest.waitForFocus(function() {
  SpecialPowers.pushPrefEnv({"set": [[smoothScrollPref, false]]}, startTest);
}, win);
async function startTest() {
  // Make sure that pressing Space when a contenteditable element is not focused
  // will scroll the page.
  var ed = win.document.getElementById("editor");
  var sc = win.document.querySelector("a");
  sc.focus();
  await waitToClearOutAnyPotentialScrolls(win);
  is(win.scrollY, 0, "Sanity check");
  let waitForScrolling = waitForScrollEvent(win);
  synthesizeKey(" ", {}, win);

  await waitForScrolling;

  isnot(win.scrollY, 0, "Page is scrolled down");
  is(ed.textContent, "abc", "The content of the editable element has not changed");
  var oldY = win.scrollY;
  waitForScrolling = waitForScrollEvent(win);
  synthesizeKey(" ", {shiftKey: true}, win);

  await waitForScrolling;

  ok(win.scrollY < oldY, "Page is scrolled up");
  is(ed.textContent, "abc", "The content of the editable element has not changed");

  // Make sure that pressing Space when a contenteditable element is focused
  // will not scroll the page, and will edit the element.
  ed.focus();
  win.getSelection().collapse(ed.firstChild, 1);
  await waitToClearOutAnyPotentialScrolls(win);
  oldY = win.scrollY;
  let waitForNoScroll = waitAndCheckNoScrollEvent(win);
  synthesizeKey(" ", {}, win);

  await waitForNoScroll;

  ok(win.scrollY <= oldY, "Page is not scrolled down");
  is(ed.textContent, "a bc", "The content of the editable element has changed");
  sc.focus();
  await waitToClearOutAnyPotentialScrolls(win);
  waitForScrolling = waitForScrollEvent(win);
  synthesizeKey(" ", {}, win);

  await waitForScrolling;

  isnot(win.scrollY, 0, "Page is scrolled down");
  is(ed.textContent, "a bc", "The content of the editable element has not changed");
  ed.focus();
  win.getSelection().collapse(ed.firstChild, 3);
  await waitToClearOutAnyPotentialScrolls(win);
  waitForNoScroll = waitAndCheckNoScrollEvent(win);
  synthesizeKey(" ", {shiftKey: true}, win);

  await waitForNoScroll;

  isnot(win.scrollY, 0, "Page is not scrolled up");
  is(ed.textContent, "a b c", "The content of the editable element has changed");

  // Now let's test the down/up keys
  sc = document.body;

  ed.blur();
  sc.focus();
  await waitToClearOutAnyPotentialScrolls(win);
  oldY = win.scrollY;
  waitForScrolling = waitForScrollEvent(win);
  synthesizeKey("VK_UP", {}, win);

  await waitForScrolling;

  ok(win.scrollY < oldY, "Page is scrolled up");
  oldY = win.scrollY;
  ed.focus();
  win.getSelection().collapse(ed.firstChild, 3);
  await waitToClearOutAnyPotentialScrolls(win);
  waitForNoScroll = waitAndCheckNoScrollEvent(win);
  synthesizeKey("VK_UP", {}, win);

  await waitForNoScroll;

  is(win.scrollY, oldY, "Page is not scrolled up");
  is(win.getSelection().focusNode, ed.firstChild, "Correct element selected");
  is(win.getSelection().focusOffset, 0, "Selection should be moved to the beginning");
  win.getSelection().removeAllRanges();
  await waitToClearOutAnyPotentialScrolls(win);
  waitForScrolling = waitForScrollEvent(win);
  synthesizeMouse(sc, 300, 300, {}, win);
  synthesizeKey("VK_DOWN", {}, win);

  await waitForScrolling;

  ok(win.scrollY > oldY, "Page is scrolled down");
  ed.focus();
  win.getSelection().collapse(ed.firstChild, 3);
  await waitToClearOutAnyPotentialScrolls(win);
  oldY = win.scrollY;
  waitForNoScroll = waitAndCheckNoScrollEvent(win);
  synthesizeKey("VK_DOWN", {}, win);

  await waitForNoScroll;

  is(win.scrollY, oldY, "Page is not scrolled down");
  is(win.getSelection().focusNode, ed.firstChild, "Correct element selected");
  is(win.getSelection().focusOffset, ed.textContent.length, "Selection should be moved to the end");

  win.close();

  SimpleTest.finish();
}
</script>
</pre>
</body>
</html>