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'use strict'; const common = require('../common'); const Countdown = require('../common/countdown'); const cluster = require('cluster'); const net = require('net'); // Test an edge case when using `cluster` and `net.Server.listen()` to // the port of `0`. const kPort = 0; function child() { const kTime = 2; const countdown = new Countdown(kTime * 2, () => { process.exit(0); }); for (let i = 0; i < kTime; i += 1) { const server = net.createServer(); server.listen(kPort, common.mustCall(() => { server.close(countdown.dec()); const server2 = net.createServer(); server2.listen(kPort, common.mustCall(() => { server2.close(countdown.dec()); })); })); } } if (cluster.isMaster) cluster.fork(__filename); else child();