test_clipboard_events.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<head>

  <title>Test for Clipboard Events</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

<p id="display"></p>

<script>

"use strict";

// The clipboard event tests require `GlobalEventHandlers.onbeforeinput`

// attribute which is available only when `beforeinput` event is enabled.

// For ensuring it's available with any element in the document, we need

// to enable it in this window and then, create elements in the new

// document in a child window.

SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(async () => {

  await SpecialPowers.pushPrefEnv({

    set: [

      // NOTE: The tests operate under the assumption that the protected mode of

      // DataTransfer is enabled.

      ["dom.events.dataTransfer.protected.enabled", true],

});

  let childWindow =

    window.open("window_clipboard_events.html", "_blank", "width=500,height=800");

  ok(childWindow, "A child window should've been opened");

  childWindow.onclose = () => {

    SimpleTest.finish();

};

});

</script>

</body>

</html>