| <!doctype html> |
| <meta charset=utf-8> |
| <title>toBlob() reports the exception from its callback in the callback's global object</title> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <iframe srcdoc="<canvas></canvas>"></iframe> |
| <iframe></iframe> |
| <iframe></iframe> |
| <script> |
| setup({ allow_uncaught_exception: true }); |
| |
| const onerrorCalls = []; |
| window.onerror = () => { onerrorCalls.push("top"); }; |
| frames[0].onerror = () => { onerrorCalls.push("frame0"); }; |
| frames[1].onerror = () => { onerrorCalls.push("frame1"); }; |
| frames[2].onerror = () => { onerrorCalls.push("frame2"); }; |
| |
| async_test(t => { |
| window.onload = t.step_func(() => { |
| const canvas = frames[0].document.querySelector("canvas"); |
| canvas.toBlob(new frames[1].Function(`throw new parent.frames[2].Error("PASS");`)); |
| |
| t.step_timeout(() => { |
| assert_array_equals(onerrorCalls, ["frame1"]); |
| t.done(); |
| }, 25); |
| }); |
| }); |
| </script> |