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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>
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