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If a worker tried to flush large amounts of data right as the test was ending, it could cause the flush sync marker to get lost.
15 lines
516 B
JavaScript
15 lines
516 B
JavaScript
// Regression test for workers that post large amounts of output as a test is ending. This
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// test should not deadlock, though the output is undefined.
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Deno.test(async function workerOutput() {
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console.log("Booting worker");
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const code =
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"self.postMessage(0); console.log(`hello from worker\n`.repeat(60000));";
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const worker = new Worker(URL.createObjectURL(new Blob([code])), {
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type: "module",
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});
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await new Promise((r) =>
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worker.addEventListener("message", () => {
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r();
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})
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);
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});
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