| Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-clearRect-in-worker.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-clearRect-in-worker.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-clearRect-in-worker.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..392fcdfda4bf1f5499de8427902b213fe65d9b8a
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-clearRect-in-worker.html
|
| @@ -0,0 +1,37 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<canvas id='output' width='100' height='100'></canvas>
|
| +
|
| +<script id='myWorker' type='text/worker'>
|
| +self.onmessage = function(e) {
|
| + var aCanvas = new OffscreenCanvas(100, 100);
|
| + var ctx = aCanvas.getContext('2d');
|
| + ctx.fillStyle = 'green';
|
| + ctx.fillRect(20, 20, 60, 60);
|
| + ctx.fillStyle = 'red';
|
| + ctx.fillRect(25, 25, 50, 50);
|
| + // No red should be visible after this
|
| + ctx.clearRect(25, 25, 50, 50);
|
| + var image = aCanvas.transferToImageBitmap();
|
| + self.postMessage(image, [image]);
|
| +};
|
| +</script>
|
| +
|
| +<script>
|
| +if (window.testRunner) {
|
| + testRunner.waitUntilDone();
|
| +}
|
| +var blob = new Blob([document.getElementById('myWorker').textContent]);
|
| +var worker = new Worker(URL.createObjectURL(blob));
|
| +worker.addEventListener('message', msg => {
|
| + var outputCtx = document.getElementById('output').getContext('imagebitmap');
|
| + outputCtx.transferImageBitmap(msg.data);
|
| + if (window.testRunner) {
|
| + testRunner.notifyDone();
|
| + }
|
| +});
|
| +worker.postMessage("");
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|