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Diffstat (limited to 'testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html')
-rw-r--r-- | testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html new file mode 100644 index 0000000000..393170baad --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/the-canvas-element/toBlob-cross-realm-callback-report-exception.html @@ -0,0 +1,29 @@ +<!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> |