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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /event-timing/first-input-interactionid-key.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<title>First Input: interactionId-key.</title>
<input id='input'></input>
<textarea id='textarea'></textarea>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=/resources/testdriver-actions.js></script>
<script src=resources/event-timing-test-utils.js></script>
<script>
const key = 'a'; // Arbitrary key picked for testing.
let firstInputInteractionId = 0;
let eventTimingKeyDownInteractionId = 0;
let hasFirstInputEntry = false;
let hasEventTimingKeyDownEntry = false;
promise_test(async t => {
assert_implements(window.PerformanceEventTiming, 'Event Timing is not supported.');
const callback = (entryList) => {
entryList.getEntries().forEach(entry => {
switch (entry.entryType) {
case 'first-input': {
firstInputInteractionId = entry.interactionId;
hasFirstInputEntry = true;
break;
}
case 'event': {
if ('keydown' == entry.name) {
eventTimingKeyDownInteractionId = entry.interactionId;
hasEventTimingKeyDownEntry = true;
}
break;
}
}
});
};
const readyToResolve = () => {
return hasFirstInputEntry && hasEventTimingKeyDownEntry;
}
const observerPromise = createPerformanceObserverPromise(['event', 'first-input'], callback, readyToResolve);
await interactAndObserve('key', document.getElementById('input'), observerPromise, key);
assert_greater_than(firstInputInteractionId, 0, 'The first input entry should have a non-trivial interactionId');
assert_equals(firstInputInteractionId, eventTimingKeyDownInteractionId, 'The first input entry should have the same interactionId as the event timing keydown entry');
assert_equals(firstInputInteractionId.target, eventTimingKeyDownInteractionId.target, 'The first input entry should have the same target as the event timing keydown entry');
assert_not_equals(firstInputInteractionId.target, null, 'The first input entry should have a non-null target');
}, "The interactionId of the first input entry should match the same keydown entry of event timing when press a key.");
</script>
</html>