| <!DOCTYPE html> |
| <title>basic image decoding</title> |
| <canvas width="128" height="128"></canvas> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| async_test(function(t) { |
| let TEST_FILE = "/misc/resources/animated-gif-with-offsets.gif"; |
| fetch(TEST_FILE).then(t.step_func(response => { |
| let decoder = new ImageDecoder({data: response.body, type: "image/gif"}) |
| |
| let count = 0; |
| Object.defineProperty(Object.prototype, "then", { get() { |
| if (count++ == 0) { |
| for (var i = 0; i < 4; i++) |
| decoder.decode({frameIndex: 2}).then(() => {}); |
| decoder.decode({frameIndex: 3}).then(t.step_func_done()); |
| } |
| }}); |
| |
| decoder.decode({frameIndex: 0}).then(() => {}); |
| decoder.decode({frameIndex: 1}).then(() => {}); |
| })).catch(t.unreached_func()); |
| }); |
| </script> |
