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products/Sources/formale Sprachen/C/Firefox/layout/generic/test/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 2 kB

Quelle test_bug469613.xhtml Sprache: unbekannt

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>

<window title="Mozilla Bug 469613"
  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
<body  xmlns="http://www.w3.org/1999/xhtml">
  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=469613">Mozilla Bug 469613</a>

  <p id="display"></p>
<div id="content" style="display: none">
</div>
</body>

<vbox style="height: 100px; overflow: auto;" id="scrollbox">
  <hbox style="min-height: 200px;"/>
</vbox>

<script class="testbody" type="application/javascript"><![CDATA[

/** Test for Bug 469613 **/

function doTest() {
  let scrollbox = document.getElementById("scrollbox");
  scrollbox.scrollTop = 0;

  // Make sure that the "scroll focus" is inside the scrollbox by moving the
  // mouse in the scrollbox.
  synthesizeMouse(scrollbox, 6, 6, { type: "mousemove" });
  synthesizeMouse(scrollbox, 8, 8, { type: "mousemove" });

  // Now scroll 10px down.
  synthesizeWheel(scrollbox, 10, 10, { deltaY: 10.0, deltaMode: WheelEvent.DOM_DELTA_PIXEL });

  // Send a 0-delta scroll.
  synthesizeWheel(scrollbox, 10, 10, { deltaY: 0.0, deltaMode: WheelEvent.DOM_DELTA_PIXEL });

  setTimeout(function() {
    // Check if the 10px were scrolled.
    todo(false, "Starting a 0-delta scroll shouldn't cancel a pending async scroll is disabled, see bug 752786");
    //is(scrollbox.scrollTop, 10, "Starting a 0-delta scroll shouldn't cancel a pending async scroll.");

    // Second test
    scrollbox.scrollTop = 20;

    // Start an async scroll to 30.
    synthesizeWheel(scrollbox, 10, 10, { deltaY: 10.0, deltaMode: WheelEvent.DOM_DELTA_PIXEL });

    // Start a sync scroll to 30.
    scrollbox.scrollTop = 30;

    is(scrollbox.scrollTop, 30, "Setting scrollTop should have immediate effect, even if there was a pending async scroll to the same position.");

    // Third test
    scrollbox.scrollTop = 40;

    // Start an async scroll to 50.
    synthesizeWheel(scrollbox, 10, 10, { deltaY: 10.0, deltaMode: WheelEvent.DOM_DELTA_PIXEL });

    // Cancel the async scroll.
    scrollbox.scrollTop = 40;

    // Send a 0-delta scroll.
    synthesizeWheel(scrollbox, 10, 10, { deltaY: 0.0, deltaMode: WheelEvent.DOM_DELTA_PIXEL });

    setTimeout(function() {
      is(scrollbox.scrollTop, 40, "Canceling an async scroll should reset the point of reference for relative scrolls (mDestinationX/Y).");

      SimpleTest.finish();
    }, 0);
  }, 0);
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(() => setTimeout(doTest, 0));

]]></script>

</window>