<!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 src="resources/webxr_test_asserts.js"></script>
<canvas id="webgl-canvas"></canvas>

<script>

let testName = "Poses from XRInputSource.gripSpace have emulatedPosition set "
  + "properly";

let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;

let testFunction =
  (session, fakeDeviceController, t) => new Promise((resolve) => {
    let input_source = fakeDeviceController.simulateInputSourceConnection({
      handedness: "right",
      targetRayMode: "tracked-pointer",
      pointerOrigin: IDENTITY_TRANSFORM,
      gripOrigin: VALID_GRIP_TRANSFORM,
      profiles: []
    });

    // Must have a reference space to get input poses. eye-level doesn't apply
    // any transforms to the given matrix.
    session.requestReferenceSpace('local').then( (referenceSpace) => {

      function CheckPositionNotEmulated(time, xrFrame) {
        let source = session.inputSources[0];
        let grip_pose = xrFrame.getPose(source.gripSpace, referenceSpace);

        t.step(() => {
          assert_not_equals(grip_pose, null);
          assert_equals(grip_pose.emulatedPosition, false);
        });

        input_source.setGripOrigin(VALID_GRIP_TRANSFORM, true);
        session.requestAnimationFrame(CheckPositionEmulated);
      }

      function CheckPositionEmulated(time, xrFrame) {
        let source = session.inputSources[0];
        let grip_pose = xrFrame.getPose(source.gripSpace, referenceSpace);

        t.step(() => {
          assert_not_equals(grip_pose, null);
          assert_equals(grip_pose.emulatedPosition, true);
        });

        resolve();
      }

      // Can only request input poses in an xr frame.
      session.requestAnimationFrame(CheckPositionNotEmulated);
    });
  });

xr_session_promise_test(
  testName, testFunction, fakeDeviceInitParams, 'immersive-vr');

</script>