25 lines
773 B
JavaScript
25 lines
773 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { isMainThread, parentPort, Worker } = require('worker_threads');
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// This test makes sure that we manipulate the references of
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// `parentPort` correctly so that any worker threads will
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// automatically exit when there are no any other references.
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{
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if (isMainThread) {
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const worker = new Worker(__filename);
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worker.on('exit', common.mustCall((code) => {
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assert.strictEqual(code, 0);
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}), 1);
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worker.on('online', common.mustCall());
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} else {
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const messageCallback = () => {};
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parentPort.on('message', messageCallback);
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// The thread won't exit if we don't make the 'message' listener off.
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parentPort.off('message', messageCallback);
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}
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}
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