Quelle test_bug784410.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/generic/test/test_bug784410.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test bug 784410</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script src="/tests/SimpleTest/paint_listener.js"></script>
  <script 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>
<div id="outer" style="overflow:auto; height:200px; border:2px dotted black; transform: translateY(1px)" onscroll="doneScroll()">
  <div id="d" style="overflow:auto; height:102px;" onscroll="doneScroll()">
    <div id="inner" style="height:100.1px; border:1px solid black; background:yellow;">Hello</div>
  </div>
  <div style="height:500px;"></div>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
var sel = window.getSelection();
var outer = document.getElementById("outer");
var d = document.getElementById("d");
var inner = document.getElementById("inner");
var smoothScrollPref = "general.smoothScroll";

function innerScrollOffset() {
  return inner.getBoundingClientRect().top - d.getBoundingClientRect().top;
}
var innerStartScrollOffset = innerScrollOffset();

var step = 0;
var wheelAndPaintDone = false;
async function doneScroll() {
  ++step;
  switch (step) {
  case 1:
    is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
    ok(outer.scrollTop > 0, "Outer element should have scrolled down");

    outer.scrollTop = 0;
    break;
  case 2:
    // wait until APZ is ready to handle the wheel event, then send it
    await promiseApzFlushedRepaints();
    // Wait for paints to flush, so APZ is notified of the new scroll offset.
    sendWheelAndPaint(inner, 4, 4,
      { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaY: 1 },
      function() {
          wheelAndPaintDone = true;
          doneTest();
      });
    break;
  case 3:
    is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
    ok(outer.scrollTop > 0, "Outer element should have scrolled down");

    doneTest();
    break;
  }
}

function doneTest() {
  // wait until wheelAndPaintDone has invoked its callback before we end the
  // test, otherwise we might get calls to advanceTimeAndRefresh after we
  // restore normal refresh, and that will screw up the next test.
  if (wheelAndPaintDone && step == 3) {
    SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
    SimpleTest.finish();
  }
}

function test() {
  sel.collapse(inner.firstChild, 2);
  synthesizeKey("KEY_PageDown");
}

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
  SpecialPowers.pushPrefEnv({"set":[[smoothScrollPref, false],
                                    ["test.events.async.enabled", true]]}, test);
});
</script>
</pre>
</body>
</html>

Messung V0.5

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