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diff --git a/testing/web-platform/tests/video-rvfc/request-video-frame-callback-parallel.html b/testing/web-platform/tests/video-rvfc/request-video-frame-callback-parallel.html
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+++ b/testing/web-platform/tests/video-rvfc/request-video-frame-callback-parallel.html
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+<!DOCTYPE html>
+<html>
+<title>Test having multiple video.rVFC callbacks in flight for a single element.</title>
+<body></body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/media.js"></script>
+<script>
+
+promise_test(async function(t) {
+ let done;
+ const promise = new Promise(resolve => done = resolve);
+
+ let video = document.createElement('video');
+ document.body.appendChild(video);
+
+ let firstTime;
+ let firstMetadata;
+
+ video.requestVideoFrameCallback(t.step_func((time, metadata) => {
+ firstTime = time;
+ firstMetadata = metadata;
+ }));
+
+ video.requestVideoFrameCallback(t.step_func((time, metadata) => {
+ assert_equals(firstTime, time);
+ assert_object_equals(firstMetadata, metadata);
+ done();
+ }));
+
+ video.src = getVideoURI('/media/movie_5');
+ video.play();
+
+ return promise;
+}, 'Test callbacks get the same information.');
+
+promise_test(async function(t) {
+ let done;
+ const promise = new Promise(resolve => done = resolve);
+
+ let video = document.createElement('video');
+ document.body.appendChild(video);
+
+ let secondCallbackId;
+
+ video.requestVideoFrameCallback(
+ t.step_func(_ => { video.cancelVideoFrameCallback(secondCallbackId); })
+ );
+
+ secondCallbackId = video.requestVideoFrameCallback(
+ t.step_func(_ => {
+ assert_unreached("Cancelled callbacks shouldn't be executed")
+ })
+ );
+
+ // NOTE: This callback should be executed last.
+ video.requestVideoFrameCallback(done);
+
+ video.src = getVideoURI('/media/movie_5');
+ video.play();
+
+ return promise;
+}, 'Test we can cancel callbacks from callbacks.');
+</script>
+</html>