nodejs-mozilla/test/parallel/test-worker-message-port-ar...

20 lines
516 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const { MessageChannel } = require('worker_threads');
{
const { port1, port2 } = new MessageChannel();
const arrayBuffer = new ArrayBuffer(40);
const typedArray = new Uint32Array(arrayBuffer);
typedArray[0] = 0x12345678;
port1.postMessage(typedArray, [ arrayBuffer ]);
port2.on('message', common.mustCall((received) => {
assert.strictEqual(received[0], 0x12345678);
port2.close(common.mustCall());
}));
}