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a02a4685f9
Automatic update from web-platform-tests Upstream fast/workers to external/wpt/workers: first batch. Bug: 795636 Change-Id: Ifbeaf7eab76b992ac41a4dc7f23ec46f72ad8ca2 Reviewed-on: https://chromium-review.googlesource.com/c/1412827 Commit-Queue: Katie Dillon <kdillon@chromium.org> Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org> Cr-Commit-Position: refs/heads/master@{#625734} -- Add a dedicated test for uncaught errors (not) propagating from shared workers -- wpt-commits: 613de7dfc410afb676453d73f27a0103f98f7614, 4139dfe3c5ad9c43f4286a549d9a480699ef719e wpt-pr: 14877
33 lines
1.3 KiB
HTML
33 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<title>Uncaught error in shared worker should not propagate to window</title>
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<link rel="help" href="https://html.spec.whatwg.org/multipage/workers.html#runtime-script-errors-2">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support/SharedWorker-create-common.js"></script>
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<script>
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// Suppress the default handling of the error event so that a failure
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// manifests as a failed test and not a harness error.
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setup({ allow_uncaught_exception: true });
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async_test(function(t) {
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addEventListener("error", t.unreached_func("error event fired"));
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var worker = createWorker();
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worker.postMessage("throw");
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worker.postMessage("ping");
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var pongs = 0;
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worker.onmessage = function(evt) {
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// Wait for response from ping - that's how we know we have thrown the exception.
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if (evt.data == "PASS: Received ping message") {
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pongs++;
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if (pongs == 1) {
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// Send another "ping" message and wait for the response before
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// ending the test, so that any error propagation that is now
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// in flight will have finished.
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worker.postMessage("ping");
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} else {
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t.done();
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}
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}
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};
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});
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</script>
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