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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>
<canvas></canvas>
<script>
let immersiveTestName = "XRFrame methods throw exceptions outside of the " +
"requestAnimationFrame callback for immersive sessions";
let nonImmersiveTestName = "XRFrame methods throw exceptions outside of the " +
"requestAnimationFrame callback for non-immersive sessions";
let fakeDeviceInitParams = { supportsImmersive:true };
let testFunction = (testSession, testController, t) => new Promise((resolve) => {
let staleFrame = null;
let currentReferenceSpace = null;
function onFrame(time, xrFrame) {
t.step(() => {
assert_true(xrFrame instanceof XRFrame);
});
staleFrame = xrFrame;
step_timeout(afterFrame, 0);
}
function afterFrame() {
t.step(() => {
// Attempting to call a method on the frame outside the callback that
// originally provided it should cause it to throw an exception.
assert_throws('InvalidStateError', () => staleFrame.getViewerPose(currentReferenceSpace));
assert_throws('InvalidStateError', () => staleFrame.getPose(testSession.viewerSpace, currentReferenceSpace));
});
// Test does not complete until the this function has executed.
resolve();
}
testSession.requestReferenceSpace({ type: 'stationary', subtype: 'eye-level' }).then((referenceSpace) => {
currentReferenceSpace = referenceSpace;
testSession.requestAnimationFrame(onFrame);
});
});
xr_session_promise_test(immersiveTestName, testFunction,
fakeDeviceInitParams, 'immersive-vr');
xr_session_promise_test(nonImmersiveTestName, testFunction,
fakeDeviceInitParams, 'inline');
</script>
</body>
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