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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /paint-timing/supported-paint-type.window.html - WPT Dashboard Interop Dashboard
test(() => {
assert_implements(typeof PerformanceObserver.supportedEntryTypes !== "undefined", 'supportedEntryTypes is not supported');
assert_true(PerformanceObserver.supportedEntryTypes.includes("paint"),
"There should be an entry 'paint' in PerformanceObserver.supportedEntryTypes");
}, "supportedEntryTypes contains 'paint'.");
const entryType = 'paint';
promise_test(async() => {
assert_implements(typeof PerformanceObserver.supportedEntryTypes !== "undefined", 'supportedEntryTypes is not supported');
assert_implements(typeof PerformanceObserver.supportedEntryTypes.includes(entryType), `supportedEntryTypes does not include '${entryType}'`);
await new Promise((resolve) => {
new PerformanceObserver(function (list, observer) {
observer.disconnect();
resolve();
}).observe({entryTypes: [entryType]});
// Force the PerformanceEntry.
// Use `self` for Workers.
if (self.document)
document.head.parentNode.appendChild(document.createTextNode('foo'));
})
}, `'${entryType}' entries should be observable.`)