23 lines
795 B
JavaScript
23 lines
795 B
JavaScript
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { Worker } = require('worker_threads');
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// Regression test for https://github.com/nodejs/node/issues/28777
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// Make sure that SharedArrayBuffers created in Worker threads are accessible
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// after the creating thread ended.
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const w = new Worker(`
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const { parentPort } = require('worker_threads');
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const sharedArrayBuffer = new SharedArrayBuffer(4);
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parentPort.postMessage(sharedArrayBuffer);
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`, { eval: true });
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let sharedArrayBuffer;
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w.once('message', common.mustCall((message) => sharedArrayBuffer = message));
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w.once('exit', common.mustCall(() => {
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const uint8array = new Uint8Array(sharedArrayBuffer);
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uint8array[0] = 42;
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assert.deepStrictEqual(uint8array, new Uint8Array([42, 0, 0, 0]));
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}));
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