dom/events/test/test_all_synthetic_events.html


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<!DOCTYPE html>
<html>
<head>
  <title>Test all synthetic events</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>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">

/**
 * kEventConstructors is a helper and database of all events.
 * The sort order of the definition is by A to Z (ignore the Event postfix).
 *
 * XXX: should we move this into EventUtils.js?
 *
 * create: function or null.  If this is null, it's impossible to create untrusted event for it.
 *         Otherwise, create(aName, aProps) returns an instance of the event initialized with aProps.
 *         aName specifies the event's type name.  See each create() code for the detail of aProps.
 */
const kEventConstructors = {
  Event:                                     { create (aName, aProps) {
                                                         return new Event(aName, aProps);
                                                       },
                                             },
  AnimationEvent:                            { create (aName, aProps) {
                                                         return new AnimationEvent(aName, aProps);
                                                       },
                                             },
  AnimationPlaybackEvent:                    { create (aName, aProps) {
                                                         return new AnimationPlaybackEvent(aName, aProps);
                                                       },
                                             },
  AudioProcessingEvent:                      { create: null, // Cannot create untrusted event from JS.
                                             },
  BeforeUnloadEvent:                         { create (aName, aProps) {
                                                         var e = document.createEvent("beforeunloadevent");
                                                         e.initEvent(aName, aProps.bubbles, aProps.cancelable);
                                                         return e;
                                                       },
                                             },
  BlobEvent:                                 { create (aName, aProps) {
                                                         return new BlobEvent(aName, {
                                                           data: new Blob([]),
                                                         });
                                                       },
                                             },
  CallEvent:                                 { create (aName, aProps) {
                                                          return new CallEvent(aName, aProps);
                                                       },
                                             },
  CallGroupErrorEvent:                       { create (aName, aProps) {
                                                          return new CallGroupErrorEvent(aName, aProps);
                                                       },
                                             },
  CFStateChangeEvent:                        { create (aName, aProps) {
                                                          return new CFStateChangeEvent(aName, aProps);
                                                       },
                                             },
  CloseEvent:                                { create (aName, aProps) {
                                                         return new CloseEvent(aName, aProps);
                                                       },
                                             },
  ClipboardEvent:                            { create (aName, aProps) {
                                                         return new ClipboardEvent(aName, aProps);
                                                       },
                                             },
  CompositionEvent:                          { create (aName, aProps) {
                                                         var e = document.createEvent("compositionevent");
                                                         e.initCompositionEvent(aName, aProps.bubbles, aProps.cancelable,
                                                                                aProps.view, aProps.data, aProps.locale);
                                                         return e;
                                                       },
                                             },
  ContentVisibilityAutoStateChangeEvent:     { create (aName, aProps) {
                                                         return new ContentVisibilityAutoStateChangeEvent(aName, aProps);
                                                       },
                                             },
  CustomEvent:                               { create (aName, aProps) {
                                                         return new CustomEvent(aName, aProps);
                                                       },
                                             },
  DataErrorEvent:                            { create (aName, aProps) {
                                                          return new DataErrorEvent(aName, aProps);
                                                       },
                                             },
  DeviceLightEvent:                          { create (aName, aProps) {
                                                         return new DeviceLightEvent(aName, aProps);
                                                       },
                                             },
  DeviceMotionEvent:                         { create (aName, aProps) {
                                                         var e = document.createEvent("devicemotionevent");
                                                         e.initDeviceMotionEvent(aName, aProps.bubbles, aProps.cancelable, aProps.acceleration,
                                                                                 aProps.accelerationIncludingGravity, aProps.rotationRate,
                                                                                 aProps.interval || 0.0);
                                                         return e;
                                                       },
                                             },
  DeviceOrientationEvent:                    { create (aName, aProps) {
                                                         return new DeviceOrientationEvent(aName, aProps);
                                                       },
                                             },
  DeviceProximityEvent:                      { create (aName, aProps) {
                                                         return new DeviceProximityEvent(aName, aProps);
                                                       },
                                             },
  DownloadEvent:                             { create (aName, aProps) {
                                                         return new DownloadEvent(aName, aProps);
                                                       },
                                             },
  DragEvent:                                 { create (aName, aProps) {
                                                         var e = document.createEvent("dragevent");
                                                         e.initDragEvent(aName, aProps.bubbles, aProps.cancelable,
                                                                         aProps.view, aProps.detail,
                                                                         aProps.screenX, aProps.screenY,
                                                                         aProps.clientX, aProps.clientY,
                                                                         aProps.ctrlKey, aProps.altKey, aProps.shiftKey, aProps.metaKey,
                                                                         aProps.button, aProps.relatedTarget, aProps.dataTransfer);
                                                         return e;
                                                       },
                                             },
  ErrorEvent:                                { create (aName, aProps) {
                                                         return new ErrorEvent(aName, aProps);
                                                       },
  },
  FocusEvent:                                { create (aName, aProps) {
                                                         return new FocusEvent(aName, aProps);
                                                       },
                                             },
  FontFaceSetLoadEvent:                      { create (aName, aProps) {
                                                         return new FontFaceSetLoadEvent(aName, aProps);
                                                       },
                                             },
  FormDataEvent:                             { create (aName, aProps) {
                                                        return new FormDataEvent(aName, {
                                                            formData: new FormData()
                                                        });
                                                      },
                                             },
  GamepadEvent:                              { create (aName, aProps) {
                                                         return new GamepadEvent(aName, aProps);
                                                       },
                                             },
  GamepadAxisMoveEvent:                      { create (aName, aProps) {
                                                         return new GamepadAxisMoveEvent(aName, aProps);
                                                       },
                                             },
  GamepadButtonEvent:                        { create (aName, aProps) {
                                                         return new GamepadButtonEvent(aName, aProps);
                                                       },
                                             },
  GPUUncapturedErrorEvent:                   { create: null, //TODO: constructor test
                                             },
  HashChangeEvent:                           { create (aName, aProps) {
                                                         return new HashChangeEvent(aName, aProps);
                                                       },
                                             },
  IDBVersionChangeEvent:                     { create (aName, aProps) {
                                                         return new IDBVersionChangeEvent(aName, aProps);
                                                       },
                                             },
  ImageCaptureErrorEvent:                                { create (aName, aProps) {
                                                         return new ImageCaptureErrorEvent(aName, aProps);
                                                       },
                                             },
  InputEvent:                                { create (aName, aProps) {
                                                         return new InputEvent(aName, aProps);
                                                       },
                                             },
  KeyEvent:                                  { create (aName, aProps) {
                                                         return new KeyboardEvent(aName, aProps);
                                                       },
                                             },
  KeyboardEvent:                             { create (aName, aProps) {
                                                         return new KeyboardEvent(aName, aProps);
                                                       },
                                             },
  MediaEncryptedEvent:                       { create (aName, aProps) {
                                                         return new MediaEncryptedEvent(aName, aProps);
                                                       },
                                             },
  MediaKeyMessageEvent:                      { create (aName, aProps) {
                                                         return new MediaKeyMessageEvent(aName, {
                                                           messageType: "license-request",
                                                           message: new ArrayBuffer(0)
                                                         });
                                                       },
                                             },
  MediaQueryListEvent:                       { create (aName, aProps) {
                                                         return new MediaQueryListEvent(aName, aProps);
                                                       },
                                             },
  MediaRecorderErrorEvent:                   { create (aName, aProps) {
                                                         aProps.error = new DOMException();
                                                         return new MediaRecorderErrorEvent(aName, aProps);
                                                       },
                                             },
  MediaStreamEvent:                          { create (aName, aProps) {
                                                         return new MediaStreamEvent(aName, aProps);
                                                       },
                                             },
  MediaStreamTrackEvent:                     {
                                               // Difficult to test required arguments.
                                             },
  MessageEvent:                              { create (aName, aProps) {
                                                         var e = new MessageEvent("messageevent", { bubbles: aProps.bubbles,
                                                             cancelable: aProps.cancelable, data: aProps.data, origin: aProps.origin,
                                                             lastEventId: aProps.lastEventId, source: aProps.source });
                                                         return e;
                                                       },
                                             },
  MouseEvent:                                { create (aName, aProps) {
                                                         return new MouseEvent(aName, aProps);
                                                       },
                                             },
  MouseScrollEvent:                          { create: null
                                               // Cannot create untrusted event from JS
                                             },
  MozApplicationEvent:                       { create (aName, aProps) {
                                                         return new MozApplicationEvent(aName, aProps);
                                                       },
                                             },
  MozClirModeEvent:                          { create (aName, aProps) {
                                                         return new MozClirModeEvent(aName, aProps);
                                                       },
                                             },
  MozContactChangeEvent:                     { create (aName, aProps) {
                                                         return new MozContactChangeEvent(aName, aProps);
                                                       },
                                             },
  MozEmergencyCbModeEvent:                   { create (aName, aProps) {
                                                          return new MozEmergencyCbModeEvent(aName, aProps);
                                                       },
                                             },
  MozMessageDeletedEvent:                    { create (aName, aProps) {
                                                         return new MozMessageDeletedEvent(aName, aProps);
                                                       },
                                             },
  MozMmsEvent:                               { create (aName, aProps) {
                                                         return new MozMmsEvent(aName, aProps);
                                                       },
                                             },
  MozOtaStatusEvent:                         { create (aName, aProps) {
                                                          return new MozOtaStatusEvent(aName, aProps);
                                                       },
                                             },
  MozSmsEvent:                               { create (aName, aProps) {
                                                         return new MozSmsEvent(aName, aProps);
                                                       },
                                             },
  MozStkCommandEvent:                        { create (aName, aProps) {
                                                          return new MozStkCommandEvent(aName, aProps);
                                                       },
                                             },
  MutationEvent:                             { create (aName, aProps) {
                                                         var e = document.createEvent("mutationevent");
                                                         e.initMutationEvent(aName, aProps.bubbles, aProps.cancelable,
                                                                             aProps.relatedNode, aProps.prevValue, aProps.newValue,
                                                                             aProps.attrName, aProps.attrChange);
                                                         return e;
                                                       },
                                             },
  OfflineAudioCompletionEvent:               { create: "AudioContext" in self
                                                        ? function (aName, aProps) {
                                                            var ac = new AudioContext();
                                                            var ab = new AudioBuffer({ length: 42, sampleRate: ac.sampleRate });
                                                            aProps.renderedBuffer = ab;
                                                            return new OfflineAudioCompletionEvent(aName, aProps);
                                                          }
                                                        : null,
                                             },
  PageTransitionEvent:                       { create (aName, aProps) {
                                                         return new PageTransitionEvent(aName, aProps);
                                                       },
                                             },
  PointerEvent:                              { create (aName, aProps) {
                                                         return new PointerEvent(aName, aProps);
                                                       },
                                             },
  PopStateEvent:                             { create (aName, aProps) {
                                                         return new PopStateEvent(aName, aProps);
                                                       },
                                             },
  PopupBlockedEvent:                         { create (aName, aProps) {
                                                         return new PopupBlockedEvent(aName, aProps);
                                                       },
                                             },
  ProgressEvent:                             { create (aName, aProps) {
                                                         return new ProgressEvent(aName, aProps);
                                                       },
                                             },
  PromiseRejectionEvent:                     { create (aName, aProps) {
                                                         aProps.promise = new Promise(() => {});
                                                         return new PromiseRejectionEvent(aName, aProps);
                                                       },
                                             },
  RTCDataChannelEvent:                       { create (aName, aProps) {
                                                         let pc = new RTCPeerConnection();
                                                         aProps.channel = pc.createDataChannel("foo");
                                                         let e = new RTCDataChannelEvent(aName, aProps);
                                                         aProps.channel.close();
                                                         pc.close();
                                                         return e;
                                                       },
                                             },
  RTCDTMFToneChangeEvent:                       { create (aName, aProps) {
                                                         return new RTCDTMFToneChangeEvent(aName, aProps);
                                                       },
                                             },
  RTCPeerConnectionIceEvent:                 { create (aName, aProps) {
                                                         return new RTCPeerConnectionIceEvent(aName, aProps);
                                                       },
                                             },
  RTCTrackEvent:                             {
                                               // Difficult to test required arguments.
                                             },
  ScrollAreaEvent:                           { create: null
                                               // Cannot create untrusted event from JS
                                             },
  SpeechRecognitionError:                    { create (aName, aProps) {
                                                         return new SpeechRecognitionError(aName, aProps);
                                                       },
                                             },
  SpeechRecognitionEvent:                    { create (aName, aProps) {
                                                         return new SpeechRecognitionEvent(aName, aProps);
                                                       },
                                             },
  SpeechSynthesisErrorEvent:                 { create (aName, aProps) {
                                                         aProps.error = "synthesis-unavailable";
                                                         aProps.utterance = new SpeechSynthesisUtterance("Hello World");
                                                         return new SpeechSynthesisErrorEvent(aName, aProps);
                                                       },
                                             },
  SpeechSynthesisEvent:                      { create (aName, aProps) {
                                                         aProps.utterance = new SpeechSynthesisUtterance("Hello World");
                                                         return new SpeechSynthesisEvent(aName, aProps);
                                                       },
                                             },
  StorageEvent:                              { create (aName, aProps) {
                                                         return new StorageEvent(aName, aProps);
                                                       },
                                             },
  StyleSheetApplicableStateChangeEvent:      { create (aName, aProps) {
                                                         return new StyleSheetApplicableStateChangeEvent(aName, aProps);
                                                       },
                                               chromeOnly: true,
                                             },
  SubmitEvent:                               { create (aName, aProps) {
                                                         return new SubmitEvent(aName, aProps);
                                                       },
                                             },
  TaskPriorityChangeEvent:                   { create (aName, aProps) {
                                                         aProps.previousPriority = "user-blocking";
                                                         return new TaskPriorityChangeEvent(aName, aProps);
                                                       },
                                             },
  TCPSocketErrorEvent:                       { create(aName, aProps) {
                                                         return new TCPSocketErrorEvent(aName, aProps);
                                                       },
                                             },
  TCPSocketEvent:                            { create(aName, aProps) {
                                                         return new TCPSocketEvent(aName, aProps);
                                                       },
                                             },
  TCPServerSocketEvent:                      { create(aName, aProps) {
                                                         return new TCPServerSocketEvent(aName, aProps);
                                                       },
                                             },
  TimeEvent:                                 { create: null
                                               // Cannot create untrusted event from JS
                                             },
  TouchEvent:                                { create (aName, aProps) {
                                                         var e = document.createEvent("touchevent");
                                                         e.initTouchEvent(aName, aProps.bubbles, aProps.cancelable,
                                                                          aProps.view, aProps.detail,
                                                                          aProps.ctrlKey, aProps.altKey, aProps.shiftKey, aProps.metaKey,
                                                                          aProps.touches, aProps.targetTouches, aProps.changedTouches);
                                                         return e;
                                                       },
                                             },
  TrackEvent:                                { create (aName, aProps) {
                                                         return new TrackEvent(aName, aProps);
                                                       },
                                             },
  TransitionEvent:                           { create (aName, aProps) {
                                                         return new TransitionEvent(aName, aProps);
                                                       },
                                             },
  UIEvent:                                   { create (aName, aProps) {
                                                         return new UIEvent(aName, aProps);
                                                       },
                                             },
  UserProximityEvent:                        { create (aName, aProps) {
                                                         return new UserProximityEvent(aName, aProps);
                                                       },
                                             },
  USSDReceivedEvent:                         { create (aName, aProps) {
                                                          return new USSDReceivedEvent(aName, aProps);
                                                       },
                                             },
  VRDisplayEvent:                            { create: null,
                                               // Required argument expects a VRDisplay that can not
                                               // be created from Javascript without physical VR hardware
                                               // connected.  When Bug 1229480 lands, this test can be
                                               // updated to use the puppet VR device.
                                             },
  WheelEvent:                                { create (aName, aProps) {
                                                         return new WheelEvent(aName, aProps);
                                                       },
                                             },
  WebGLContextEvent:                         { create (aName, aProps) {
                                                         return new WebGLContextEvent(aName, aProps);
                                                       },
                                             },
  SecurityPolicyViolationEvent:              { create (aName, aProps) {
                                                         return new SecurityPolicyViolationEvent(aName, aProps);
                                                       },
                                             },
};

function test() {
  for (var name of Object.keys(kEventConstructors)) {
    if (!kEventConstructors[name].chromeOnly) {
      continue;
    }
    if (window[name]) {
      ok(false, name + " should be chrome only.");
    }
    window[name] = SpecialPowers.unwrap(SpecialPowers.wrap(window)[name]);
  }

  var props = Object.getOwnPropertyNames(window);
  for (var i = 0; i < props.length; i++) {
    // Assume that event object must be named as "FooBarEvent".
    if (!props[i].match(/^([A-Z][a-zA-Z]+)?Event$/)) {
      continue;
    }
    if (!kEventConstructors[props[i]]) {
      ok(false, "Unknown event found: " + props[i]);
      continue;
    }
    if (!kEventConstructors[props[i]].create) {
      todo(false, "Cannot create untrusted event of " + props[i]);
      continue;
    }
    ok(true, "Creating " + props[i] + "...");
    var event = kEventConstructors[props[i]].create("foo", {});
    if (!event) {
      ok(false, "Failed to create untrusted event: " + props[i]);
      continue;
    }
    if (typeof(event.getModifierState) == "function") {
      const kModifiers = [ "Shift", "Control", "Alt", "AltGr", "Meta", "CapsLock", "ScrollLock", "NumLock", "OS", "Fn", "FnLock", "Symbol", "SymbolLock" ];
      for (var j = 0; j < kModifiers.length; j++) {
        ok(true, "Calling " + props[i] + ".getModifierState(" + kModifiers[j] + ")...");
        var modifierState = event.getModifierState(kModifiers[j]);
        ok(true, props[i] + ".getModifierState(" + kModifiers[j] + ") = " + modifierState);
      }
    }
  }
}

SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv(
  {"set": [["dom.w3c_touch_events.legacy_apis.enabled", true],
           ["layout.css.content-visibility.enabled", true]]},
  function() {
    test();
    SimpleTest.finish();
  });
</script>
</pre>
</body>
</html>