node/test/parallel/test-diagnostics-channel-sync-unsubscribe.js
simon-id 80b56bbab0
diagnostics_channel: fix unsubscribe during publish
PR-URL: https://github.com/nodejs/node/pull/55116
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Claudio Wunder <cwunder@gnome.org>
2024-10-14 10:55:39 +00:00

16 lines
443 B
JavaScript

'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);
dc.subscribe(channel_name, common.mustCall());
// This must not throw.
dc.channel(channel_name).publish(published_data);