<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/webxr_test_constants.js"></script>
<script src="resources/webxr_util.js"></script>
<script>

function testNonReentrant(t, gl) {
  return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
      .then((controller) => {
        assert_false(gl.getContextAttributes().xrCompatible);
        return gl.makeXRCompatible();
      }).then(() => {
        assert_true(gl.getContextAttributes().xrCompatible);
        return gl.makeXRCompatible();
      }).then(() => {
        assert_true(gl.getContextAttributes().xrCompatible);
      });
}

xr_promise_test(
  "Verify promise from a non-reentrant call to makeXRCompatible() is resolved for webgl",
  testNonReentrant, null, 'webgl');
xr_promise_test(
  "Verify promise from a non-reentrant call to makeXRCompatible() is resolved for webgl2",
  testNonReentrant, null, 'webgl2');

function testReentrant(t, gl) {
  return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
      .then((controller) => {
        assert_false(gl.getContextAttributes().xrCompatible);

        return Promise.all([gl.makeXRCompatible(),
                            gl.makeXRCompatible(),
                            gl.makeXRCompatible()]);
      }).then(() => {
        assert_true(gl.getContextAttributes().xrCompatible);
      });
}

xr_promise_test(
  "Verify promises from reentrant calls to makeXRCompatible() are resolved for webgl",
  testReentrant, null, 'webgl');
xr_promise_test(
  "Verify promises from reentrant calls to makeXRCompatible() are resolved for webgl2",
  testReentrant, null, 'webgl2');

</script>