test_keyboard_event.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1222285

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 1222285</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"/>

  <script type="application/javascript">

  /** Test for Bug 1222285 */

  SimpleTest.waitForExplicitFinish();

  window.onload = () => {

    SpecialPowers.pushPrefEnv({"set":

        ["privacy.resistFingerprinting", true],

],

    }, doTestForSystemEventGroup);

};

  // This test makes sure that system event group will still get real keyboard event.

  function doTestForSystemEventGroup() {

    SpecialPowers.wrap(document).addEventListener("keydown",

      function eventHandler(aEvent) {

        is(aEvent.code, "Minus", "The system group event should get real code.");

        is(aEvent.keyCode, 63, "The system group event should get real keyCode.");

        doTestModifiersForSystemEventGroup();

      }, { once: true, capture: true, mozSystemGroup: true });

    // Send key event to the system group.

    synthesizeKey("\u00DF", {code: "Minus", keyCode: 63});

  // Test that will system group event still get suppressed modifier keys

  function doTestModifiersForSystemEventGroup() {

    SpecialPowers.wrap(document).addEventListener("keydown",

      function eventHandler(aEvent) {

        is(aEvent.key, "Alt", "The system group event get the suppressed keyboard event.");

        SimpleTest.finish();

      }, { once: true, capture: true, mozSystemGroup: true });

    // Send key event to the system group.

    synthesizeKey("KEY_Alt", {altKey: true});

  </script>

</head>

<body>

</body>

</html>