nodejs/test/parallel/test-worker-message-port-me...

23 lines
701 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const { MessageChannel } = require('worker_threads');
{
const { port1: basePort1, port2: basePort2 } = new MessageChannel();
const {
port1: transferredPort1, port2: transferredPort2
} = new MessageChannel();
basePort1.postMessage({ transferredPort1 }, [ transferredPort1 ]);
basePort2.on('message', common.mustCall(({ transferredPort1 }) => {
transferredPort1.postMessage('foobar');
transferredPort2.on('message', common.mustCall((msg) => {
assert.strictEqual(msg, 'foobar');
transferredPort1.close(common.mustCall());
basePort1.close(common.mustCall());
}));
}));
}