File: webGLCanvasContext_makecompatible_contextlost.https.html

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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>
  <script src="resources/webxr_test_constants.js"></script>
  <script>

    function testContextLost(t, gl) {
      return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
        .then( (controller) => {
          return gl.makeXRCompatible();
        }).then( () => {
          gl.getExtension('WEBGL_lose_context').loseContext();
          return promise_rejects_dom(t, 'InvalidStateError', gl.makeXRCompatible());
        });
    }

    xr_promise_test(
      "A lost webgl context should not be able to set xr compatibility",
      testContextLost, null, 'webgl');

    xr_promise_test(
      "A lost webgl2 context should not be able to set xr compatibility",
      testContextLost, null, 'webgl2');

  </script>
</body>