1 files changed, 43 insertions, 0 deletions
diff --git a/testing/web-platform/tests/event-timing/interactionid-press-key-no-effect.html b/testing/web-platform/tests/event-timing/interactionid-press-key-no-effect.html
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index 0000000000..ad4dc2595c
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+++ b/testing/web-platform/tests/event-timing/interactionid-press-key-no-effect.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html>
+<meta charset=utf-8 />
+<meta name="timeout" content="long">
+<title>Event Timing: interactionId-press-key-no-effect.</title>
+<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>
+
+<body>
+  <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec tempus
+    lacinia nisi, eget tempor orci. Nullam congue pharetra arcu, et consectetur
+    massa mollis tincidunt. Quisque odio sapien, viverra finibus lectus ac,
+    consectetur ornare quam. In hac habitasse platea dictumst. Morbi cursus est
+    odio, non fermentum ligula posuere vitae. Sed ullamcorper convallis rhoncus.
+    In condimentum neque nec metus hendrerit, et cursus ipsum aliquet.
+  </p>
+</body>
+<script>
+  let observedEntries = [];
+  let map = new Map();
+        const events = ['keydown', 'keyup'];
+
+  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('keydown'), map.get('keyup'), 'The keydown and the keyup should have the same interactionId');
+      t.done();
+    })).observe({ type: "event" });
+
+    addListenersAndPress(document.body, 't', events);
+  }, "Event Timing: compare event timing interactionId for key press with no effect.");
+</script>
+\ No newline at end of file