third_party/web_platform_tests/pointerlock/constructor.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Pointer Lock event constructor</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <link rel="help" href="http://www.w3.org/TR/pointerlock/#pointerlockchange-and-pointerlockerror-events">
    <link rel="help" href="http://www.w3.org/TR/dom/#interface-event">
  </head>
  <body>
    <p>Create Pointer Lock events and check each default value.</p>
    <div id='log'></div>
    <script>
test(function() {
  var ev = new MouseEvent("pointerlockchange");
  assert_equals(ev.type, "pointerlockchange");
  assert_equals(ev.target, null);
  assert_equals(ev.currentTarget, null);
  assert_equals(ev.bubbles, false);
  assert_equals(ev.eventPhase, Event.NONE);
  assert_equals(ev.cancelable, false);
  assert_true("preventDefault" in ev);
  assert_equals(ev.defaultPrevented, false);
  assert_true(ev.timeStamp > 0);
  assert_true("initEvent" in ev);
  assert_true("movementX" in ev, "movementX exists");
  assert_true("movementY" in ev, "movementY exists");
  assert_equals(ev.movementX, 0);
  assert_equals(ev.movementY, 0);
}, "Default event values for mouse event interface and its pointer lock extensions.");
test(function() {
  var ev = new MouseEvent("pointerlockerror",
                            { type: "trololol",
                              bubbles: true,
                              cancelable: false,
                              get defaultPrevented() {
                                  assert_unreached("Should not look at the defaultPrevented property.");
                               },
                              movementX: 10,
                              movementY: 10});
  assert_equals(ev.type, "pointerlockerror");
  assert_equals(ev.bubbles, true); // this is synthetic event, so follow the dictionary
  assert_equals(ev.cancelable, false);
  assert_equals(ev.defaultPrevented, false);
  assert_equals(ev.movementX, 10); // this is synthetic event, so follow the dictionary
  assert_equals(ev.movementY, 10); // this is synthetic event, so follow the dictionary
}, "Default event values for pointerlockerror using a dictionary");
   </script>

</body>

</html>