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resource-timing-tojson.html
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resource-timing-tojson.html
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<!doctype html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
const img_url = "resources/blue.png";
const img = document.createElement("img");
img.src = img_url;
window.onload = function() {
test(() => {
const entries = performance.getEntriesByType('resource');
assert_greater_than_equal(entries.length, 1);
const entry = entries[0];
assert_equals(typeof(entry.toJSON), 'function');
const json = entry.toJSON();
assert_equals(typeof(json), 'object');
const performanceResourceTimingKeys = [
'name',
'entryType',
'startTime',
'duration',
'initiatorType',
'nextHopProtocol',
'workerStart',
'redirectStart',
'fetchStart',
'domainLookupStart',
'domainLookupEnd',
'connectStart',
'connectEnd',
'secureConnectionStart',
'requestStart',
'responseStart',
'responseEnd',
'transferSize',
'encodedBodySize',
'decodedBodySize'
];
for (const key of performanceResourceTimingKeys) {
assert_equals(json[key], entry[key],
`entry.toJSON().${key} should match entry.${key}`);
}
}, 'Test toJSON() in PerformanceResourceTiming');
};
</script>
</body>
</html>