| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../http/tests/inspector/resources/inspector-test.js"></script> |
| <script> |
| function load() { |
| window.context = document.body.appendChild(document.createElement("canvas")).getContext("webgl"); |
| |
| runTest(); |
| } |
| |
| function enableExtension(name) { |
| window.context.getExtension(name); |
| } |
| |
| function test() { |
| let suite = InspectorTest.createAsyncSuite("Canvas.extensions"); |
| |
| suite.addTestCase({ |
| name: "Canvas.extensions.enable", |
| description: "Check that enabling an extension notifies the frontend.", |
| test(resolve, reject) { |
| let canvases = Array.from(WI.canvasManager.canvasCollection).filter((canvas) => canvas.contextType === WI.Canvas.ContextType.WebGL); |
| if (!canvases.length) { |
| reject("Missing WebGL canvas."); |
| return; |
| } |
| |
| InspectorTest.assert(canvases.length === 1, "There should only be one WebGL canvas."); |
| InspectorTest.assert(canvases[0].extensions.size === 0, "The canvas should have no extensions enabled after being created"); |
| |
| const extensionName = "WEBGL_lose_context"; |
| canvases[0].awaitEvent(WI.Canvas.Event.ExtensionEnabled).then((event) => { |
| InspectorTest.expectEqual(event.data.extension, extensionName, `The newly enabled extension should be "${extensionName}".`); |
| InspectorTest.assert(canvases[0].extensions.size === 1, "The canvas should now have one extension."); |
| InspectorTest.assert(canvases[0].extensions.has(event.data.extension), `The one extension should be "${extensionName}".`); |
| }).then(resolve, reject); |
| |
| InspectorTest.evaluateInPage(`enableExtension("${extensionName}")`); |
| } |
| }); |
| |
| suite.runTestCasesAndFinish(); |
| } |
| </script> |
| </head> |
| <body onload="load()"> |
| <p>Test that CanvasManager is notified whenever a WebGL extension is enabled for a given canvas context.</p> |
| </body> |
| </html> |
