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denoland-deno/cli/tests/subdir/racy_worker.js
2020-04-10 00:15:17 +02:00

21 lines
546 B
JavaScript

// See issue for details
// https://github.com/denoland/deno/issues/4080
//
// After first call to `postMessage() this worker schedules
// [close(), postMessage()] ops on the same turn of microtask queue
// (because message is rather big).
// Only single `postMessage()` call should make it
// to host, ie. after calling `close()` no more code should be run.
setTimeout(() => {
close();
}, 50);
while (true) {
await new Promise((done) => {
setTimeout(() => {
postMessage({ buf: new Array(999999) });
done();
});
});
}