| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../http/tests/inspector/resources/inspector-test.js"></script> |
| <script> |
| function load() { |
| window.onscreenCanvas = document.getElementById("onscreen").getContext("2d"); |
| window.offscreenCanvas = document.createElement("canvas").getContext("2d"); |
| window.cssCanvas = document.getCSSCanvasContext("2d", "css", 10, 10); |
| |
| runTest(); |
| } |
| |
| function test() { |
| let suite = InspectorTest.createAsyncSuite("Canvas.requestNode"); |
| |
| suite.addTestCase({ |
| name: "Canvas.requestNode.validCanvasId", |
| description: "Get the node id for each canvas on the page.", |
| test(resolve, reject) { |
| let canvases = Array.from(WI.canvasManager.canvasCollection); |
| let expectedLength = canvases.length; |
| InspectorTest.assert(expectedLength === 3, "The page has 3 canvases."); |
| |
| let nodesMap = new Map; |
| |
| function finish() { |
| let results = {}; |
| for (let [canvas, node] of nodesMap) |
| results[canvas.displayName] = node; |
| |
| let keys = Object.keys(results); |
| InspectorTest.assert(keys.length === nodesMap.size, "No display name collisions"); |
| |
| // Ensure that the test runs properly even if the canvas |
| // events are sent in a different order than the above. |
| keys.sort(); |
| for (let displayName of keys) { |
| InspectorTest.expectThat(results[displayName], `Canvas "${displayName}" has node with valid id.`); |
| InspectorTest.expectEqual(results[displayName].nodeName(), "CANVAS", `Canvas "${displayName}" has node with type "CANVAS".`); |
| } |
| |
| resolve(); |
| } |
| |
| canvases.forEach((canvas) => { |
| WI.domManager.requestDocument((documentNode) => { |
| CanvasAgent.requestNode(canvas.identifier, (error, nodeId) => { |
| if (error) { |
| reject(error); |
| return; |
| } |
| |
| nodesMap.set(canvas, WI.domManager.nodeForId(nodeId)); |
| if (nodesMap.size === expectedLength) |
| finish(); |
| }); |
| }); |
| }); |
| } |
| }); |
| |
| // ------ |
| |
| suite.addTestCase({ |
| name: "Canvas.requestNode.invalidCanvasId", |
| description: "Invalid canvas identifiers should cause an error.", |
| test(resolve, reject) { |
| const canvasId = "DOES_NOT_EXIST"; |
| CanvasAgent.requestNode(canvasId, (error) => { |
| InspectorTest.expectThat(error, "Should produce an error."); |
| InspectorTest.log("Error: " + error); |
| resolve(); |
| }); |
| } |
| }); |
| |
| suite.runTestCasesAndFinish(); |
| } |
| </script> |
| <style> |
| .css { background-image: -webkit-canvas(css); } |
| </style> |
| </head> |
| <body onload="load()"> |
| <p>Test that CanvasAgent.requestNode can properly resolve the owner canvas node.</p> |
| <canvas id="onscreen"></canvas> |
| </body> |
| </html> |
