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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>
const testName = "RequestAnimationFrame resolves with good data";
const fakeDeviceInitOptions = TRACKED_IMMERSIVE_DEVICE;
let testSession;
function checkView(view) {
assert_not_equals(view, null);
assert_not_equals(view.transform, null);
let inv_view_transform = view.transform.inverse;
assert_not_equals(inv_view_transform, null);
assert_not_equals(inv_view_transform.matrix, null);
assert_equals(inv_view_transform.matrix.length, 16);
}
let testFunction = function(session, testDeviceController) {
testSession = session;
return session.requestReferenceSpace('local')
.then((referenceSpace) => new Promise((resolve) => {
function onFrame(time, xrFrame) {
assert_true(xrFrame instanceof XRFrame);
let viewerPose = xrFrame.getViewerPose(referenceSpace);
assert_not_equals(viewerPose, null);
for(let i = 0; i < IDENTITY_MATRIX.length; i++) {
assert_equals(viewerPose.transform.matrix[i], IDENTITY_MATRIX[i]);
}
assert_not_equals(viewerPose.views, null);
assert_equals(viewerPose.views.length, 2);
checkView(viewerPose.views[0]);
checkView(viewerPose.views[1]);
// Test does not complete until the returned promise resolves.
resolve();
}
testSession.requestAnimationFrame(onFrame);
})
);
}
xr_session_promise_test(
testName, testFunction, fakeDeviceInitOptions, 'immersive-vr');
</script>
</body>
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