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'use strict';
const common = require('../common');
const dc = require('diagnostics_channel');
const assert = require('assert');
const input = {
foo: 'bar'
};
const symbol = Symbol('test');
// Individual channel objects can be created to avoid future lookups
const channel = dc.channel(symbol);
// Expect two successful publishes later
channel.subscribe(common.mustCall((message, name) => {
assert.strictEqual(name, symbol);
assert.deepStrictEqual(message, input);
}));
channel.publish(input);
{
assert.throws(() => {
dc.channel(null);
}, /ERR_INVALID_ARG_TYPE/);
}
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