LayoutTests/imported/w3c/web-platform-tests/webxr/webGLCanvasContext_makecompatible_contextlost.https.html - WebKit - Git at Google

 <!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>
   <canvas id="webgl-canvas"></canvas>
   <script>

     xr_promise_test(
       "A lost webglCanvasContext should not be able to set xr compatibility",
      (t) => {
       return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
         .then( (controller) => {
           webglCanvas = document.getElementById('webgl-canvas');
           gl = webglCanvas.getContext('webgl');
           return gl.makeXRCompatible();
         }).then( () => {
           gl.getExtension('WEBGL_lose_context').loseContext();
           return promise_rejects_dom(t, 'InvalidStateError', gl.makeXRCompatible());
         });
     });

   </script>
 </body>
	<!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>
	<canvas id="webgl-canvas"></canvas>
	<script>

	xr_promise_test(
	"A lost webglCanvasContext should not be able to set xr compatibility",
	(t) => {
	return navigator.xr.test.simulateDeviceConnection(TRACKED_IMMERSIVE_DEVICE)
	.then( (controller) => {
	webglCanvas = document.getElementById('webgl-canvas');
	gl = webglCanvas.getContext('webgl');
	return gl.makeXRCompatible();
	}).then( () => {
	gl.getExtension('WEBGL_lose_context').loseContext();
	return promise_rejects_dom(t, 'InvalidStateError', gl.makeXRCompatible());
	});
	});

	</script>
	</body>