user-timing-tojson.html

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This WPT test may be referenced by the following Test IDs:
- /user-timing/user-timing-tojson.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

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

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

</head>

<body>

<script>

const keys = [

  'name',

  'entryType',

  'startTime',

  'duration',

];

test(() => {

  performance.mark('a');

  const markEntries = performance.getEntriesByType('mark');

  assert_equals(1, markEntries.length);

  const markEntry = markEntries[0];

  assert_equals(markEntry.entryType, 'mark');

  assert_equals(typeof(markEntry.toJSON), 'function');

  const markJSON = markEntry.toJSON();

  assert_equals(typeof(markJSON), 'object');

  for (const key of keys) {

    assert_equals(markJSON[key], markEntry[key], `PerformanceMark ${key} entry does not match its toJSON value`);

}, 'Test toJSON() in PerformanceMark');

test(() => {

  performance.measure('m');

  const measureEntries = performance.getEntriesByType('measure');

  assert_equals(1, measureEntries.length);

  const measureEntry = measureEntries[0];

  assert_equals(measureEntry.entryType, 'measure');

  assert_equals(typeof(measureEntry.toJSON), 'function');

  const measureJSON = measureEntry.toJSON();

  assert_equals(typeof(measureJSON), 'object');

  for (const key of keys) {

    assert_equals(measureJSON[key], measureEntry[key], `PerformanceMeasure ${key} entry does not match its toJSON value`);

}, 'Test toJSON() in PerformanceMeasure');

</script>

</body>

</html>