| Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D-in-worker.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D-in-worker.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D-in-worker.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..819a4dac28e38157a62a385faaea6a316983c486
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D-in-worker.html
|
| @@ -0,0 +1,52 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<script src="../../resources/js-test.js"></script>
|
| +<body>
|
| +<script id="myWorker" type="text/worker">
|
| +self.onmessage = function(e) {
|
| + var aCanvas = new OffscreenCanvas(50, 50);
|
| + try {
|
| + var ctx = aCanvas.getContext('2d');
|
| + if (toString.call(ctx) != '[object OffscreenCanvasRenderingContext2D]') {
|
| + self.postMessage({ outcome : "error", errorMessage :
|
| + "aCanvas.getContext('2d') does not return [object OffscreenCanvasRenderingContext2D]" });
|
| + } else {
|
| + self.postMessage({ outcome : "success", errorMessage : "" });
|
| + }
|
| + } catch (e) {
|
| + self.postMessage({ outcome : "error", errorMessage : e });
|
| + }
|
| +};
|
| +</script>
|
| +
|
| +<script>
|
| +jsTestIsAsync = true;
|
| +description("Tests that the 2D context of OffscreenCanvas can be constructed on a worker thread.");
|
| +
|
| +function makeWorker(script) {
|
| + var blob = new Blob([script]);
|
| + return new Worker(URL.createObjectURL(blob));
|
| +}
|
| +
|
| +function handleMessageFromWorker(msg) {
|
| + switch (msg.data.outcome) {
|
| + case 'success':
|
| + testPassed("getContext('2d') correctly returns [object OffscreenCanvasRenderingContext2D].");
|
| + break;
|
| + case 'error':
|
| + testFailed(msg.data.errorMessage);
|
| + break;
|
| + default:
|
| + testFailed("Unexpected failure");
|
| + break;
|
| + }
|
| + finishJSTest();
|
| +}
|
| +
|
| +var worker = makeWorker(document.getElementById('myWorker').textContent);
|
| +worker.addEventListener('message', handleMessageFromWorker);
|
| +worker.postMessage("");
|
| +</script>
|
| +
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 1748163003:
Add rendering context and rendering 2D context to OffscreenCanvas (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master