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<!DOCTYPE html>
<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 testName = "XRView attributes meet [SameObject] requirement";
let testFunction = function(session, fakeDeviceController, t) {
return new Promise((resolve) => {
session.requestReferenceSpace('local').then((referenceSpace) => {
session.requestAnimationFrame((time, xrFrame) => {
// Make sure that the projectionMatrix and transform attributes on
// XRView always return the same object.
let viewerPose = xrFrame.getViewerPose(referenceSpace);
let view = viewerPose.views[0];
let transform = view.transform;
let projectionMatrix = view.projectionMatrix;
t.step(() => {
assert_equals(transform, view.transform,
"XRView.transform returns the same object.");
assert_equals(projectionMatrix, view.projectionMatrix,
"XRView.projectionMatrix returns the same object.");
});
resolve();
});
});
});
};
xr_session_promise_test(
testName, testFunction, TRACKED_IMMERSIVE_DEVICE, 'immersive-vr');
</script>
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