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products/sources/formale Sprachen/C/Firefox/layout/base/tests/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 4 kB

Quelle test_bug993936.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/layout/base/tests/test_bug993936.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 993936</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  /** Test for Bug 993936 **/

var currentId = 0;
var evictedTouchesCount = 0;

function testtouch(aOptions) {
  if (!aOptions)
    aOptions = {};
  this.identifier = aOptions.identifier || 0;
  this.target = aOptions.target || 0;
  this.page = aOptions.page || {x: 0, y: 0};
  this.radius = aOptions.radius || {x: 0, y: 0};
  this.rotationAngle = aOptions.rotationAngle || 0;
  this.force = aOptions.force || 1;
}

function touchEvent(aOptions) {
  if (!aOptions) {
    aOptions = {};
  }
  this.ctrlKey = aOptions.ctrlKey || false;
  this.altKey = aOptions.altKey || false;
  this.shiftKey = aOptions.shiftKey || false;
  this.metaKey = aOptions.metaKey || false;
  this.touches = aOptions.touches || [];
  this.targetTouches = aOptions.targetTouches || [];
  this.changedTouches = aOptions.changedTouches || [];
}

function sendTouchEvent(windowUtils, aType, aEvent, aModifiers) {
  var ids = [], xs=[], ys=[], rxs = [], rys = [],
      rotations = [], forces = [], tiltXs = [], tiltYs = [], twists = [];

  for (var touchType of ["touches", "changedTouches", "targetTouches"]) {
    for (var i = 0; i < aEvent[touchType].length; i++) {
      if (!ids.includes(aEvent[touchType][i].identifier)) {
        ids.push(aEvent[touchType][i].identifier);
        xs.push(aEvent[touchType][i].page.x);
        ys.push(aEvent[touchType][i].page.y);
        rxs.push(aEvent[touchType][i].radius.x);
        rys.push(aEvent[touchType][i].radius.y);
        rotations.push(aEvent[touchType][i].rotationAngle);
        forces.push(aEvent[touchType][i].force);
        tiltXs.push(0);
        tiltYs.push(0);
        twists.push(0);
      }
    }
  }
  return windowUtils.sendTouchEvent(aType,
                                    ids, xs, ys, rxs, rys,
                                    rotations, forces, tiltXs, tiltYs, twists,
                                    aModifiers, 0);
}

function getSingleTouchEventForTarget(target, cwu) {
  currentId++;
  var bcr = target.getBoundingClientRect();
  var touch = new testtouch({
    page: {x: Math.round(bcr.left + bcr.width/2),
           y: Math.round(bcr.top  + bcr.height/2)},
    target: target,
    identifier: currentId,
  });
  var event = new touchEvent({
    touches: [touch],
    targetTouches: [touch],
    changedTouches: [touch]
  });
  return event;
}

function getMultiTouchEventForTarget(target, cwu) {
  currentId++;
  var bcr = target.getBoundingClientRect();
  var touch1 = new testtouch({
    page: {x: Math.round(bcr.left + bcr.width/2),
           y: Math.round(bcr.top  + bcr.height/2)},
    target: target,
    identifier: currentId,
  });
  currentId++;
  var touch2 = new testtouch({
    page: {x: Math.round(bcr.left + bcr.width),
           y: Math.round(bcr.top  + bcr.height)},
    target: target,
    identifier: currentId,
  });
  var event = new touchEvent({
    touches: [touch1, touch2],
    targetTouches: [touch1, touch2],
    changedTouches: [touch1, touch2]
  });
  return event;
}

function runTests() {
  var cwu = SpecialPowers.getDOMWindowUtils(window);

  var event1 = getMultiTouchEventForTarget(d0, cwu);
  sendTouchEvent(cwu, "touchstart", event1, 0);
  sendTouchEvent(cwu, "touchmove", event1, 0);
  is(evictedTouchesCount, 0, "Still no evicted touches");

  var event2 = getSingleTouchEventForTarget(d0, cwu);
  sendTouchEvent(cwu, "touchstart", event2, 0);

  // By now we should get touchend event
  ok(evictedTouchesCount > 0, "Got evicted touch");

  finishTest();
}

function finishTest() {
  // Let window.onerror have a chance to fire
  setTimeout(function() {
    SimpleTest.finish();
  }, 0);
}

SimpleTest.waitForExplicitFinish();

  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=993936">Mozilla Bug 993936</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
</pre>
<div id="d0">
    Test div
</div>

<script>
var d0 = document.getElementById("d0");

d0.addEventListener("touchend", function(ev) {
  evictedTouchesCount++;
});

window.onload = function () {
  setTimeout(function() {
    runTests();
  }, 0);
}

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

Messung V0.5

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