| <!DOCTYPE html> |
| <html> |
| <meta charset=utf-8 /> |
| <meta name="timeout" content="long"> |
| <title>Event Timing: interactionId-tap.</title> |
| <button id='test'>Tap</button> |
| <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 observedEntries = []; |
| let map = new Map(); |
| const events = ['pointerdown', 'pointerup']; |
| |
| async_test(function (t) { |
| assert_implements(window.PerformanceEventTiming, 'Event Timing is not supported.'); |
| |
| new PerformanceObserver(t.step_func(entryList => { |
| observedEntries = observedEntries.concat(entryList.getEntries().filter(filterAndAddToMap(events, map))); |
| |
| if (observedEntries.length < 2) |
| return; |
| |
| events.forEach(e => assert_greater_than(map.get(e), 0, 'Should have a non-trivial interactionId for ' + e + ' event')); |
| assert_equals(map.get('pointerdown'), map.get('pointerup'), 'The pointerdown and the pointerup should have the same interactionId'); |
| t.done(); |
| })).observe({ type: "event" }); |
| |
| addListenersAndTap(document.getElementById('test'), events); |
| }, "Event Timing: compare event timing interactionId for tap."); |
| </script> |
| |
| </html> |
