chromium/third_party/blink/web_tests/external/wpt/webxr/ar-module/xrDevice_requestSession_immersive-ar.https.html

<!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>
    xr_session_promise_test(
      "Tests requestSession accepts immersive-ar mode",
      (session) => {
        assert_not_equals(session, null);
      }, IMMERSIVE_AR_DEVICE, 'immersive-ar', {});

    xr_promise_test(
      "Tests requestSession rejects immersive-ar mode when unsupported",
      (t) => {
        return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
          .then((controller) => new Promise((resolve) => {
            navigator.xr.test.simulateUserActivation(() => {
              resolve(promise_rejects_dom(
                t, "NotSupportedError",
                navigator.xr.requestSession('immersive-ar', {})));
            });
          }));
      });
</script>
</body>