Content - 8576872ec75a04e0dcbdf56809f504ac28f55381 - bdf3f30/performance-timeline/performanceentry-tojson.html

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Tip revision: 264dcf368bb4a18496dfe69fe8117e9645d03c91 authored by Kent Tamura on 19 March 2018, 07:03:33 UTC
custom-elements: Simplify builtin-coverage.html

Tip revision: 264dcf3

performanceentry-tojson.html

<!doctype html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>

test(() => {
  performance.mark('markName');
  performance.measure('measureName');

  const entries = performance.getEntries();
  const performanceEntryKeys = [
    'name',
    'entryType',
    'startTime',
    'duration'
  ];
  for (let i = 0; i < entries.length; ++i) {
    assert_equals(typeof(entries[i].toJSON), 'function');
    const json = entries[i].toJSON();
    assert_equals(typeof(json), 'object');
    for (const key of performanceEntryKeys) {
      assert_equals(json[key], entries[i][key],
        `entries[${i}].toJSON().${key} should match entries[${i}].${key}`);
    }
  }
}, 'Test toJSON() in PerformanceEntry');
</script>
</body>
</html>

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