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products/Sources/formale Sprachen/C/Firefox/gfx/layers/apz/test/mochitest/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 2 kB

Quelle helper_bug1922904.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/gfx/layers/apz/test/mochitest/helper_bug1922904.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <script src="apz_test_utils.js"></script>
  <script src="apz_test_native_event_utils.js"></script>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <style>
  body {
    position: fixed;
    width: 100%;
    height: 100%;
  }

  .container {
    display: flex;
    gap: 40px;
    height: 100%;

    overflow-y: hidden;
    overflow-x: auto;

    scroll-snap-type: x mandatory;
  }

  section {
    display: flex;
    flex-direction: column;
    min-width: 92vw;

    padding: 1rem;
    gap: 30px;

    background-color: grey;
    height: 100%;

    scroll-snap-align: none center;
    scroll-snap-stop: always;

    overflow-x: hidden;
    overflow-y: auto;
  }

  section div {
    width: 100%;
  }

  article:nth-child(n) {
    background-color: turquoise;
  }

  article:nth-child(2n) {
    background-color: tomato;
  }

  article:nth-child(3n) {
    background-color: purple;
  }

  article {
    width: 100%;
    height: 75vh;
  }
  </style>
</head>
<body>
  <div class="container">
    <section>
      <div>
        <article>
          Some stuff 1
        </article>
        <article>
          Some stuff 2
        </article>
        <article>
          Some stuff 3
        </article>
      </div>
    </section>
    <section>
      <div>
        <article>
          Some stuff 3
        </article>
        <article>
          Some stuff 4
        </article>
        <article>
          Some stuff 5
        </article>
      </div>
    </section>
  </div>
</body>
<script type="application/javascript">
async function test() {
  const container = document.querySelector(".container");

  let scrollendPromise = promiseOneEvent(container, "scrollend");

  // Send two horizontal wheel events quickly.
  synthesizeNativeWheel(container, 50, 50, NativePanHandler.delta, 0);
  synthesizeNativeWheel(container, 50, 50, NativePanHandler.delta, 0);

  // Wait for the end of the smooth scrolling triggered by above wheel events.
  await scrollendPromise;

  // Store the destination of the smooth scrolling temporarily.
  const endOfScrollPosition = container.scrollLeft;

  // Try to do an instant scroll to the left edge of the scroll container,
  // there's a scroll snap point.
  container.scrollTo(container.clientWidth, 0);

  is(endOfScrollPosition, container.scrollLeft);
}

if (getPlatform() == "android") {
  ok(true, "Skipping test because native wheel events are not supported on Android");
  subtestDone();
} else if (getPlatform() == "linux") {
  ok(true, "Skipping test on Linux because of bug 1889039. ");
  subtestDone();
} else {
  waitUntilApzStable()
  .then(test)
  .then(subtestDone, subtestFailed);
}
</script>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.2 Sekunden ¤

Wurzel

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