From ff41173600a751eea0e310e2f30515ed58e03a7b Mon Sep 17 00:00:00 2001
From: Yoshiki Kurihara <yosyos0306@gmail.com>
Date: Fri, 18 Mar 2022 13:46:39 +0900
Subject: [PATCH] test: improve internal/worker/io.js coverage

---
 test/parallel/test-worker-broadcastchannel.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/parallel/test-worker-broadcastchannel.js b/test/parallel/test-worker-broadcastchannel.js
index 8e588994aab666..12535271c15596 100644
--- a/test/parallel/test-worker-broadcastchannel.js
+++ b/test/parallel/test-worker-broadcastchannel.js
@@ -7,6 +7,7 @@ const {
   receiveMessageOnPort
 } = require('worker_threads');
 const assert = require('assert');
+const { inspect } = require('util');
 
 assert.throws(() => new BroadcastChannel(Symbol('test')), {
   message: /Cannot convert a Symbol value to a string/
@@ -168,3 +169,17 @@ assert.throws(() => new BroadcastChannel(), {
     });
   });
 }
+
+{
+  const bc = new BroadcastChannel('channel5');
+  assert.strictEqual(
+    inspect(bc.ref()),
+    "BroadcastChannel { name: 'channel5', active: true }"
+  );
+
+  bc.close();
+  assert.strictEqual(
+    inspect(bc.ref()),
+    "BroadcastChannel { name: 'channel5', active: false }"
+  );
+}