microphone-track-attribute.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/permission-element/microphone/microphone-track-attribute.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>HTMLMicrophoneElement: track attribute and ontrack event listener</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/testdriver.js"></script>

<script src="/resources/testdriver-vendor.js"></script>

<microphone id="microphone_element"></microphone>

<script>

test(() => {

  const mic = document.getElementById("microphone_element");

  assert_true(mic instanceof HTMLMicrophoneElement);

  assert_equals(mic.track, null, "track attribute should initially be null");

  assert_equals(mic.ontrack, null, "ontrack should initially be null");

  let dummy_handler = () => {};

  mic.ontrack = dummy_handler;

  assert_equals(mic.ontrack, dummy_handler, "ontrack setter should update listener");

}, "HTMLMicrophoneElement has track attribute and ontrack event handler");

</script>