1 files changed, 21 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-diagnostics-channel-sync-unsubscribe.js b/tests/node_compat/test/parallel/test-diagnostics-channel-sync-unsubscribe.js
new file mode 100644
index 000000000..767382476
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-diagnostics-channel-sync-unsubscribe.js
@@ -0,0 +1,21 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
+
+'use strict';
+
+const common = require('../common');
+const dc = require('node:diagnostics_channel');
+
+const channel_name = 'test:channel';
+const published_data = 'some message';
+
+const onMessageHandler = common.mustCall(() => dc.unsubscribe(channel_name, onMessageHandler));
+
+dc.subscribe(channel_name, onMessageHandler);
+
+// This must not throw.
+dc.channel(channel_name).publish(published_data);