Quelle test_deviceSensor.html Sprache: HTML

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

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 742376</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>

<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=742376">Mozilla Bug 742376</a>
<script class="testbody" type="text/javascript">

/** Test for Bug 742376 **/
let Cc = SpecialPowers.Cc;
let Ci = SpecialPowers.Ci;
let dss = Cc["@mozilla.org/devicesensors;1"].getService(Ci.nsIDeviceSensors);

function hasLightListeners() {
  return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_LIGHT, window);
}

function hasOrientationListeners() {
  return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_ORIENTATION, window) ||
         dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_ROTATION_VECTOR, window) ||
         dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_GAME_ROTATION_VECTOR, window);
}

function hasProximityListeners() {
  return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_PROXIMITY, window);
}

function hasMotionListeners() {
  return dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_ACCELERATION, window) ||
         dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_LINEAR_ACCELERATION, window) ||
         dss.hasWindowListener(Ci.nsIDeviceSensorData.TYPE_GYROSCOPE, window);
}

async function test_event_presence(prefName, eventCheck, eventName) {
  function dumbListener(event) {}
  function dumbListener2(event) {}
  function dumbListener3(event) {}

  await SpecialPowers.pushPrefEnv({"set": [
    [prefName, true]
  ]});

  is(eventCheck(), false, "Must not have listeners before tests start");

  window.addEventListener(eventName, dumbListener);
  window.addEventListener("random_event_name", function() {});
  window.addEventListener(eventName, dumbListener2);

  is(eventCheck(), true, `Should have listeners when ${eventName} sensor is enabled`);

  window.removeEventListener(eventName, dumbListener);
  window.removeEventListener(eventName, dumbListener2);

  is(eventCheck(), false, "Must not have listeners when removed");

  await SpecialPowers.pushPrefEnv({"set": [
    [prefName, false]
  ]});

  window.addEventListener(eventName, dumbListener);
  window.addEventListener("random_event_name", function() {});
  window.addEventListener(eventName, dumbListener2);

  is(eventCheck(), false, "Must not have listeners when sensor is disabled");
}

async function start() {
  await SpecialPowers.pushPrefEnv({"set": [
    ["device.sensors.enabled", true],
    ["device.sensors.orientation.enabled", true]
  ]});

  is(hasOrientationListeners(), false, "Must not have listeners before tests start");

  function dumbListener(event) {}
  function dumbListener2(event) {}
  function dumbListener3(event) {}

  window.addEventListener("deviceorientation", dumbListener);
  window.addEventListener("random_event_name", function() {});
  window.addEventListener("deviceorientation", dumbListener2);

  is(hasOrientationListeners(), true, "Listeners should have been added");

  await new Promise(resolve => {
    window.setTimeout(function() {
      window.removeEventListener("deviceorientation", dumbListener);
      is(hasOrientationListeners(), true, "Only some listeners should have been removed");
      window.setTimeout(function() {
        window.removeEventListener("deviceorientation", dumbListener2);
        window.setTimeout(function() {
          is(hasOrientationListeners(), false, "Listeners should have been removed");
          resolve();
        }, 0);
      }, 0);
    }, 0);
  });

  await new Promise(resolve => {
    window.ondeviceorientation = function() {}
    window.setTimeout(function() {
      is(hasOrientationListeners(), true, "Handler should have been added");
      window.ondeviceorientation = null;
      window.setTimeout(function() {
        is(hasOrientationListeners(), false, "Handler should have been removed");
        resolve();
      }, 0);
    }, 0);
  });

  await test_event_presence("device.sensors.ambientLight.enabled", hasLightListeners, "devicelight");
  await test_event_presence("device.sensors.proximity.enabled", hasProximityListeners, "userproximity");
  await test_event_presence("device.sensors.motion.enabled", hasMotionListeners, "devicemotion");
  await test_event_presence("device.sensors.orientation.enabled", hasOrientationListeners, "deviceorientation");

  SimpleTest.finish();

}

SimpleTest.waitForExplicitFinish();

start();

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

Messung V0.5

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