Quelle test_bug1120705.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/base/tests/test_bug1120705.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for Bug 1120705</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script type="text/javascript" src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>

<p id="display"></p>
<select id="sel">
  <option value="1">1</option>
  <option value="2">2</option>
  <option value="3">3</option>
  <option value="4">4</option>
  <option value="5">5</option>
  <option value="6">6</option>
  <option value="7">7</option>
  <option value="8">8</option>
  <option value="9">9</option>
  <option value="10">10</option>
  <option value="11">11</option>
  <option value="12">12</option>
  <option value="13">13</option>
  <option value="14">14</option>
  <option value="15">15</option>
  <option value="16">16</option>
  <option value="17">17</option>
  <option value="18">18</option>
  <option value="19">19</option>
  <option value="20">20</option>
</select>

<pre id="test">
<script class="testbody" type="text/javascript">

function clickDownButton() {
  var sel = document.getElementById("sel");
  var scrollbar_width = sel.offsetWidth - sel.clientWidth;
  synthesizeMouse(sel,
                  sel.offsetWidth - scrollbar_width / 2,
                  sel.offsetHeight - scrollbar_width / 2,
                  { type: "mousedown" });

  synthesizeMouse(sel,
                  sel.offsetWidth - scrollbar_width / 2,
                  sel.offsetHeight - scrollbar_width / 2,
                  { type: "mouseup" });
}

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

SimpleTest.waitForExplicitFinish();

addLoadEvent(function() {
  SpecialPowers.pushPrefEnv({
    "set": [["general.smoothScroll", false],
            ["toolkit.scrollbox.verticalScrollDistance", 3]]},
    async function() {
      var sel = document.getElementById("sel");
      sel.size = 2;
      sel.scrollTo(0, 0);
      await waitToClearOutAnyPotentialScrolls(window);
      is(sel.scrollTop, 0, "sanity check that we start scrolling from 0");
      let waitForScrolling = waitForScrollEvent(window);
      clickDownButton();
      await waitForScrolling;
      var restricted_top = sel.scrollTop;
      isnot(restricted_top, 0,
            "Expected to scroll when clicking scrollbar button");
      sel.size = 10;
      sel.scrollTo(0, 0);
      await waitToClearOutAnyPotentialScrolls(window);
      is(sel.scrollTop, 0, "sanity check that we start scrolling from 0");
      waitForScrolling = waitForScrollEvent(window);
      clickDownButton();
      await waitForScrolling;
      isnot(sel.scrollTop, 0,
            "Expected to scroll when clicking scrollbar button");
      isnot(sel.scrollTop, restricted_top,
            "Scrollbar button scrolling should be limited by page size");
      SimpleTest.finish();
    });
});
</script>
</pre>
</body>

</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.21 Sekunden (vorverarbeitet am 2026-06-04) ¤

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NIST Cobol Testsuite

Cephes Mathematical Library

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