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denoland-deno/cli/tests/node_compat/test/parallel/test-diagnostics-channel-has-subscribers.js
Yoshiya Hinosawa 6915a9b7a7
test(ext/node): more node compat tests (#17827)
This PR adds the remaining ~650 Node.js compat test cases from std/node.

Among these 650 cases, about 130 cases are now failing. These failing
cases are prefixed with `TODO:` in `tests/node_compat/config.json`.
These will be addressed in later PRs.
2023-02-20 16:35:04 +01:00

17 lines
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JavaScript

// 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 "node/_tools/setup.ts". Do not modify this file manually
'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'));