LayoutTests/inspector/canvas/requestContent-webgl2.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script src="../../http/tests/inspector/resources/inspector-test.js"></script>
 <script>
 if (window.internals)
     window.internals.settings.setWebGL2Enabled(true);

 function load() {
     window.contextWebGL2 = document.createElement("canvas").getContext("webgl2");
     window.contextWebGL2.clearColor(0, 0, 1, 0.5); // Half-transparent blue
     window.contextWebGL2.clear(window.contextWebGL2.COLOR_BUFFER_BIT);

     runTest();
 }

 function test() {
     let suite = InspectorTest.createAsyncSuite("Canvas.requestContentWebGL2");

     suite.addTestCase({
         name: "Canvas.requestContentWebGL2.validCanvasId",
         description: "Get the base64 encoded data for the WebGL2 canvas on the page.",
         test(resolve, reject) {
             let canvas = Array.from(WI.canvasManager.canvasCollection).find((canvas) => canvas.contextType === WI.Canvas.ContextType.WebGL2);
             if (!canvas) {
                 reject(`Missing Canvas.`);
                 return;
             }

             CanvasAgent.requestContent(canvas.identifier)
             .then(({content}) => InspectorTest.expectGreaterThan(content.length, "data:image/png;base64,".length, "Content should not be empty."))
             .then(resolve, reject);
         }
     });

     suite.runTestCasesAndFinish();
 }
 </script>
 </head>
 <body onload="load()">
     <p>Test that CanvasAgent.requestContent can retrieve a dataURL with the current content of the WebGL2 canvas.</p>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
	<script>
	if (window.internals)
	window.internals.settings.setWebGL2Enabled(true);

	function load() {
	window.contextWebGL2 = document.createElement("canvas").getContext("webgl2");
	window.contextWebGL2.clearColor(0, 0, 1, 0.5); // Half-transparent blue
	window.contextWebGL2.clear(window.contextWebGL2.COLOR_BUFFER_BIT);

	runTest();
	}

	function test() {
	let suite = InspectorTest.createAsyncSuite("Canvas.requestContentWebGL2");

	suite.addTestCase({
	name: "Canvas.requestContentWebGL2.validCanvasId",
	description: "Get the base64 encoded data for the WebGL2 canvas on the page.",
	test(resolve, reject) {
	let canvas = Array.from(WI.canvasManager.canvasCollection).find((canvas) => canvas.contextType === WI.Canvas.ContextType.WebGL2);
	if (!canvas) {
	reject(`Missing Canvas.`);
	return;
	}

	CanvasAgent.requestContent(canvas.identifier)
	.then(({content}) => InspectorTest.expectGreaterThan(content.length, "data:image/png;base64,".length, "Content should not be empty."))
	.then(resolve, reject);
	}
	});

	suite.runTestCasesAndFinish();
	}
	</script>
	</head>
	<body onload="load()">
	<p>Test that CanvasAgent.requestContent can retrieve a dataURL with the current content of the WebGL2 canvas.</p>
	</body>
	</html>