| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| var t = async_test("Test the case where an ImageBitmap produced on a worker is consumed on another worker"); |
| |
| var worker1 = new Worker('OffscreenCanvas-ImageBitmap-worker-to-worker-1.js'); |
| var worker2 = new Worker('OffscreenCanvas-ImageBitmap-worker-to-worker-2.js'); |
| |
| worker1.addEventListener('message', msg => { |
| worker2.postMessage(msg.data, [msg.data]); |
| }); |
| |
| worker2.addEventListener('message', t.step_func(function(msg) { |
| var testCtx = document.createElement('canvas').getContext('2d'); |
| testCtx.drawImage(msg.data, 0, 0); |
| var pixelData = testCtx.getImageData(0, 0, 1, 1); |
| assert_equals(pixelData.data[0], 0, "red"); |
| assert_equals(pixelData.data[1], 255, "green"); |
| assert_equals(pixelData.data[2], 0, "blue"); |
| assert_equals(pixelData.data[3], 255, "alpha"); |
| t.done(); |
| })); |
| |
| worker1.postMessage("go"); |
| |
| </script> |
| |
