blob: 15729ca890d526fa1b07877c4f86a1183d7233e7 [file] [log] [blame]
<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<title>Event Timing: firstInput entry should be buffered even without observer</title>
<button id='button'>Generate a 'click' event</button>
<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/event-timing-support.js></script>
<script>
async_test(function(t) {
function testEntries() {
// First callback is not ensured to have the entry.
if (performance.getEntriesByType('firstInput').length === 0) {
t.step_timeout(testEntries, 10);
return;
}
assert_equals(performance.getEntriesByType('firstInput').length, 1,
"There should be a firstInput entry in the performance timeline");
const entry = performance.getEntriesByType('firstInput')[0];
assert_equals(entry.name, 'mousedown');
assert_equals(entry.entryType, 'firstInput');
assert_greater_than_equal(entry.duration, 104,
"The first input was a long one.");
t.done();
}
clickAndBlockMain('button').then(wait).then(t.step_func(testEntries));
},
"Event Timing: check firstInput after onload, observer, click, click."
);
</script>
</html>