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<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<title></title>
<style>
#targetDiv {
width: 200px;
height: 200px;
overflow: scroll;
}
#innerDiv {
width: 4000px;
height: 4000px;
}
</style>
<body style="margin:0">
<div id="targetDiv">
<div id="innerDiv">
</div>
</div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-actions.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=resources/event-timing-test-utils.js></script>
<script>
let event_count = 0;
function validateEntries(entries) {
assert_equals(entries.length, 2, "two pointerdown entries should be received");
let entry = entries[0];
assert_equals(entry.name, 'pointerdown');
assert_equals(entry.interactionId, 0);
entry = entries[1];
assert_equals(entry.name, 'pointerdown');
assert_equals(entry.interactionId, 0);
}
promise_test(async t => {
assert_implements(window.PerformanceEventTiming, 'Event Timing is not supported.');
// Skip the test on a Mac as they do not support touch screens.
const isMac = navigator.platform.toUpperCase().indexOf('MAC')>=0;
if (isMac)
return;
// Wait for load event so we can interact on the page.
await new Promise(resolve => {
window.addEventListener('load', resolve);
});
let observedEntries = [];
const observerPromise = new Promise(resolve => {
let pointerdown_count = 0;
new PerformanceObserver(entryList => {
entryList.getEntries().forEach(e => {
if(e.name.includes('pointerdown')) {
pointerdown_count += 1;
observedEntries.push(e);
}
if(pointerdown_count == 2){
resolve(observedEntries);
}
});
}).observe({type: 'event',
durationThreshold: 0,
buffered: true});
})
const target = document.getElementById('targetDiv');
await interactAndObserve('fling-tap', target, observerPromise);
validateEntries(observedEntries);
}, "Event Timing: test that the second pointerdown event that happens during fling does not have interaction id.");
</script>
</body>
</html>
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