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diff --git a/testing/web-platform/tests/webxr/xrSession_cancelAnimationFrame.https.html b/testing/web-platform/tests/webxr/xrSession_cancelAnimationFrame.https.html
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+++ b/testing/web-platform/tests/webxr/xrSession_cancelAnimationFrame.https.html
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+<!DOCTYPE html>
+<body>
+ <script src=/resources/testharness.js></script>
+ <script src=/resources/testharnessreport.js></script>
+ <script src="resources/webxr_util.js"></script>
+ <script src="resources/webxr_test_constants.js"></script>
+
+ <script>
+ let immersiveTestName = "XRSession requestAnimationFrame callbacks can be "
+ + "unregistered with cancelAnimationFrame for immersive sessions";
+ let nonImmersiveTestName = "XRSession requestAnimationFrame callbacks can be "
+ + "unregistered with cancelAnimationFrame for non-immersive sessions";
+
+ let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;
+
+ let testFunction = (session) => new Promise((resolve, reject) => {
+
+ // Schedule and immediately cancel animation frame
+ session.cancelAnimationFrame(session.requestAnimationFrame(
+ (time, vrFrame) => { reject("Cancelled frame callback was called"); }));
+
+ let counter = 0;
+ let handle;
+ function onFrame(time, vrFrame) {
+ // Cancel the second animation frame.
+ if (handle != 0) {
+ session.cancelAnimationFrame(handle);
+ handle = 0;
+ }
+
+ // Run a few more animation frames to be sure that the cancelled frame isn't
+ // going to call.
+ counter++;
+ if (counter >= 4) {
+ // Ok, we're done here.
+ resolve();
+ } else {
+ session.requestAnimationFrame(onFrame);
+ }
+ }
+
+ // Schedule two animation frame and cancel one during on animation frame.
+ session.requestAnimationFrame(onFrame);
+ handle = session.requestAnimationFrame(
+ (time, vrFrame) => { reject("Cancelled frame callback was called"); });
+ });
+
+ xr_session_promise_test(immersiveTestName, testFunction,
+ fakeDeviceInitParams, 'immersive-vr');
+ xr_session_promise_test(nonImmersiveTestName, testFunction,
+ fakeDeviceInitParams, 'inline');
+
+ </script>
+</body>
+