51 lines
2 KiB
HTML
51 lines
2 KiB
HTML
<!DOCTYPE html>
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<html>
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<meta charset=utf-8 />
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<title>First Input: interactionId-click.</title>
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<button id='testButtonId'>Click me</button>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script src=/resources/testdriver.js></script>
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<script src=/resources/testdriver-vendor.js></script>
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<script src=resources/event-timing-test-utils.js></script>
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<script>
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let firstInputInteractionId = 0;
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let eventTimingPointerDownInteractionId = 0;
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let hasFirstInputEntry = false;
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let hasEventTimingPointerDownEntry = false;
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promise_test(async t => {
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assert_implements(window.PerformanceEventTiming, 'Event Timing is not supported.');
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const callback = (entryList) => {
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entryList.getEntries().forEach(entry => {
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switch (entry.entryType) {
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case 'first-input': {
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firstInputInteractionId = entry.interactionId;
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hasFirstInputEntry = true;
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break;
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}
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case 'event': {
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if ('pointerdown' == entry.name) {
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eventTimingPointerDownInteractionId = entry.interactionId;
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hasEventTimingPointerDownEntry = true;
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}
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break;
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}
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}
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});
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};
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const readyToResolve = () => {
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return hasFirstInputEntry && hasEventTimingPointerDownEntry;
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}
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const observerPromise = createPerformanceObserverPromise(['event', 'first-input'], callback, readyToResolve);
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await interactAndObserve('click', document.getElementById('testButtonId'), observerPromise);
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assert_greater_than(firstInputInteractionId, 0, 'The first input entry should have a non-trivial interactionId');
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assert_equals(firstInputInteractionId, eventTimingPointerDownInteractionId, 'The first input entry should have the same interactionId as the event timing pointerdown entry');
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}, "The interactionId of the first input entry should match the same pointerdown entry of event timing when click.");
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</script>
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</html>
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