| Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-messagechannel-imagebitmap-transfer.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-messagechannel-imagebitmap-transfer.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-messagechannel-imagebitmap-transfer.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..d36bcb7c25368a4bb30cc31a51aaee4d86ebf63a
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-messagechannel-imagebitmap-transfer.html
|
| @@ -0,0 +1,29 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../resources/testharness.js"></script>
|
| +<script src="../../resources/testharnessreport.js"></script>
|
| +<script>
|
| +async_test(function(t) {
|
| + var channel = new MessageChannel;
|
| + channel.port1.onmessage = function(e) {
|
| + t.step(function() {
|
| + assert_true(e.data !== null);
|
| + assert_equals(e.data.width, 10);
|
| + assert_equals(e.data.height, 10);
|
| + var destCtx = document.createElement('canvas').getContext('2d');
|
| + destCtx.drawImage(e.data, 0, 0);
|
| + var pixel = destCtx.getImageData(5, 5, 1, 1).data;
|
| + assert_array_equals(pixel, [0, 255, 0, 255]);
|
| + });
|
| + t.done();
|
| + };
|
| + channel.port1.start();
|
| + var sourceCanvas = document.createElement('canvas');
|
| + sourceCanvas.width = sourceCanvas.height = 10;
|
| + var sourceCtx = sourceCanvas.getContext('2d');
|
| + sourceCtx.fillStyle = '#0f0';
|
| + sourceCtx.fillRect(0, 0, 10, 10);
|
| + createImageBitmap(sourceCanvas).then( bitmap => {
|
| + channel.port2.postMessage(bitmap, [bitmap]);
|
| + });
|
| +}, "Test that an ImageBitmap generated from a canvas survives being transferred via a MessageChannel");
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2541683002:
Make ImageBitmap transfers work in cases that require serialization (Closed)
