Quelle test_midi_message_event.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/midi/tests/test_midi_message_event.html

<html>

<head>
  <title>WebMIDI MIDIMessageEvent Test</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <script type="application/javascript" src="MIDITestUtils.js"></script>
</head>

<body>
  <script class="testbody" type="application/javascript">
    add_task(async () => {
      await MIDITestUtils.permissionSetup(true);

      is(new MIDIMessageEvent('eventType').bubbles, false, "bubbles field is false by default");
      is(new MIDIMessageEvent('eventType').cancelable, false, "cancelable field is false by default");
      isDeeply(new MIDIMessageEvent('eventType').data, [], "The default message is empty");

      is(new MIDIMessageEvent('eventType', { bubbles: false }).bubbles, false, "bubbles is passed");
      is(new MIDIMessageEvent('eventType', { bubbles: true }).bubbles, true, "bubbles is passed");

      is(new MIDIMessageEvent('eventType', { cancelable: false }).cancelable, false, "cancelable is passed");
      is(new MIDIMessageEvent('eventType', { cancelable: true }).cancelable, true, "cancelable is passed");

      var data = new Uint8Array(16);
      isDeeply(new MIDIMessageEvent('eventType', { data }).data, data, "data is passed");

      // All initializers are passed.
      data = new Uint8Array(3);
      is(new MIDIMessageEvent('eventType', { bubbles: true, cancelable: true, data }).bubbles, true, "all initializers are passed");
      is(new MIDIMessageEvent('eventType', { bubbles: true, cancelable: true, data }).cancelable, true, "all initializers are passed");
      isDeeply(new MIDIMessageEvent('eventType', { bubbles: true, cancelable: true, data }).data, data, "all initializers are passed");

      if (window.SharedArrayBuffer) {
        data = new Uint8Array(new SharedArrayBuffer(3));
        SimpleTest.doesThrow(() => { new MIDIMessageEvent('eventType', { data }); }, "shared array buffers are rejected");
      } else {
        todo(false, 'SharedArrayBuffer is unavailable.');
      }
    });
  </script>
</body>

</html>

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