forked from mirrors/gecko-dev
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
951 B
HTML
33 lines
951 B
HTML
<!DOCTYPE html>
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<title>Test simultaneous errors on workers.</title>
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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>
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promise_test(t => {
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var workers = 4;
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var promises = [];
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for (i = 0; i < workers; ++i) {
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var worker = new Worker('support/throw-on-message-Worker.js');
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promises.push(new Promise(function(resolve, reject) {
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var error = 0;
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worker.onmessage = function(event) {
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if (event.data === 'second')
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resolve(error);
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else if (event.data === 'error')
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++error;
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}
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}));
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worker.postMessage('first');
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worker.postMessage('second');
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}
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return Promise.all(promises).then(e => {
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var sum = 0;
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for (var key in e) {
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sum += e[key]
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}
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assert_equals(sum, workers);
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});
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});
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</script>
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