| // META: global=window,dedicatedworker |
| // META: script=/webcodecs/image-decoder-utils.js |
| |
| function testSharedArrayBuffer(useView) { |
| const mimeType = 'image/png'; |
| var decoder = null; |
| return ImageDecoder.isTypeSupported(mimeType).then(support => { |
| assert_implements_optional( |
| support, 'Optional codec ' + mimeType + ' not supported.'); |
| return fetch('four-colors.png').then(response => { |
| return response.arrayBuffer().then(buffer => { |
| let data = new SharedArrayBuffer(buffer.byteLength); |
| let view = new Uint8Array(data); |
| view.set(new Uint8Array(buffer)); |
| return testFourColorsDecodeBuffer(useView ? view : data, mimeType); |
| }); |
| }); |
| }); |
| } |
| |
| promise_test(t => { |
| return testSharedArrayBuffer(/*useView=*/ false); |
| }, 'Test ImageDecoder decoding with a SharedArrayBuffer source'); |
| |
| promise_test(t => { |
| return testSharedArrayBuffer(/*useView=*/ true); |
| }, 'Test ImageDecoder decoding with a Uint8Array(SharedArrayBuffer) source'); |