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products/Sources/formale Sprachen/C/Firefox/dom/events/test/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 4 kB

Quelle test_bug946632.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/events/test/test_bug946632.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for bug 946632 - propagate mouse-wheel vertical scroll events to container</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <script type="application/javascript" src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style>
    .scrollable {
      overflow: scroll;
      height: 200px;
      width: 200px;
    }
    input {
      font-size: 72px;
      height: 20px;
      width: 20px;
    }
  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=946632">Mozilla Bug 946632</a>
<p id="display"></p>
<div id="container" class="scrollable">
<input value="value">
x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
</div>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
  SpecialPowers.pushPrefEnv({
    "set":[["general.smoothScroll", false],
           ["mousewheel.system_scroll_override.enabled", false],
           ["test.events.async.enabled", true]]
    }, runTests)
  }, window);

var input = document.querySelector("input");
var container = document.querySelector("#container");

function reset()
{
  container.scrollTop = 0;
  container.scrollLeft = 0;
  input.scrollTop = 0;
  input.scrollLeft = 0;
  container.style.display='none';
  container.getBoundingClientRect();
}

function prepare(check)
{
  return new Promise(resolve => {
    container.style.display='';
    container.getBoundingClientRect();
    scrollHandler = function(event) {
      window.removeEventListener("scroll", arguments.callee, true);
      event.stopPropagation();
      check(event)
      resolve();
    };
    window.addEventListener("scroll", scrollHandler, true);
  });
}

var tests = [
  {
    check(event) {
      is(event.target, container, "<input> vertical line scroll targets container");
      ok(container.scrollTop > 0, "<input> vertical line scroll container.scrollTop");
      is(container.scrollLeft, 0, "<input> vertical line scroll container.scrollLeft");
      is(input.scrollTop, 0, "<input> horizontal line scroll input.scrollTop");
      is(input.scrollLeft, 0, "<input> horizontal line scroll input.scrollLeft");
    },
    event: {
      deltaMode: WheelEvent.DOM_DELTA_LINE,
      deltaY: 1.0,
      lineOrPageDeltaY: 1,
    }
  },
{
    check(event) {
      is(event.target, input, "<input> horizontal line scroll targets <input>");
      is(input.scrollTop, 0, "<input> horizontal line scroll input.scrollTop");
      ok(input.scrollLeft > 0, "<input> horizontal line scroll input.scrollLeft");
      is(container.scrollTop, 0, "<input> horizontal line scroll container.scrollTop");
      is(container.scrollLeft, 0, "<input> horizontal line scroll container.scrollLeft");
    },
    event: {
      deltaMode: WheelEvent.DOM_DELTA_LINE,
      deltaX: 1.0,
      lineOrPageDeltaX: 1
    }
  },
{
    check(event) {
      is(event.target, container, "<input> vertical page scroll targets container");
      ok(container.scrollTop > 0, "<input> vertical line scroll container.scrollTop");
      is(container.scrollLeft, 0, "<input> vertical line scroll container.scrollLeft");
      is(input.scrollTop, 0, "<input> vertical page scroll input.scrollTop");
      is(input.scrollLeft, 0, "<input> vertical page scroll input.scrollLeft");
    },
    event: {
      deltaMode: WheelEvent.DOM_DELTA_PAGE,
      deltaY: 1.0,
      lineOrPageDeltaY: 1
    }
  },
{
    check(event) {
      is(event.target, input, "<input> horizontal page scroll targets <input>");
      is(input.scrollTop, 0, "<input> horizontal page scroll input.scrollTop");
      ok(input.scrollLeft > 0, "<input> horizontal page scroll input.scrollLeft");
      is(container.scrollTop, 0, "<input> horizontal page scroll container.scrollTop");
      is(container.scrollLeft, 0, "<input> horizontal page scroll container.scrollLeft");
    },
    event: {
      deltaMode: WheelEvent.DOM_DELTA_PAGE,
      deltaX: 1.0,
      lineOrPageDeltaX: 1
    }
  },
];

async function runTests()
{
  for (var i = 0; i < tests.length; i++) {
    var test = tests[i];
    reset();
    await promiseApzFlushedRepaints();
    let testEndPromise = prepare(test.check);
    await new Promise(resolve => {
      sendWheelAndPaint(input, 8, 6, test.event, resolve);
    });
    await testEndPromise;
  }

  SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
  SimpleTest.finish();
}

</script>
</pre>
</body>
</html>

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¤ Dauer der Verarbeitung: 0.23 Sekunden (vorverarbeitet am 2026-08-25) ¤

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