11 lines
263 B
JavaScript
11 lines
263 B
JavaScript
|
'use strict';
|
||
|
|
require('../common');
|
||
|
|
const assert = require('assert');
|
||
|
|
const { channel, hasSubscribers } = require('diagnostics_channel');
|
||
|
|
|
||
|
|
const dc = channel('test');
|
||
|
|
assert.ok(!hasSubscribers('test'));
|
||
|
|
|
||
|
|
dc.subscribe(() => {});
|
||
|
|
assert.ok(hasSubscribers('test'));
|