1 files changed, 21 insertions, 1 deletions
diff --git a/test/parallel/test-message-channel.js b/test/parallel/test-message-channel.js
index 0facaa1d83..eb13fa57c6 100644
--- a/test/parallel/test-message-channel.js
+++ b/test/parallel/test-message-channel.js
@@ -2,7 +2,7 @@
 'use strict';
 const common = require('../common');
 const assert = require('assert');
-const { MessageChannel } = require('worker');
+const { MessageChannel, MessagePort, Worker } = require('worker');
 
 {
   const channel = new MessageChannel();
@@ -24,3 +24,23 @@ const { MessageChannel } = require('worker');
   channel.port2.on('close', common.mustCall());
   channel.port2.close();
 }
+
+{
+  const channel = new MessageChannel();
+
+  const w = new Worker(`
+    const { MessagePort } = require('worker');
+    const assert = require('assert');
+    require('worker').parentPort.on('message', ({ port }) => {
+      assert(port instanceof MessagePort);
+      port.postMessage('works');
+    });
+  `, { eval: true });
+  w.postMessage({ port: channel.port2 }, [ channel.port2 ]);
+  assert(channel.port1 instanceof MessagePort);
+  assert(channel.port2 instanceof MessagePort);
+  channel.port1.on('message', common.mustCall((message) => {
+    assert.strictEqual(message, 'works');
+    w.terminate();
+  }));
+}