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'use strict'; const common = require('../common'); const assert = require('assert'); const net = require('net'); const tmpdir = require('../common/tmpdir'); tmpdir.refresh(); function test(clazz, cb) { let have_ping = false; let have_pong = false; function check() { assert.ok(have_ping); assert.ok(have_pong); } function ping() { const conn = new clazz(); conn.on('error', function(err) { throw err; }); conn.connect(common.PIPE, function() { conn.write('PING', 'utf-8'); }); conn.on('data', function(data) { assert.strictEqual(data.toString(), 'PONG'); have_pong = true; conn.destroy(); }); } function pong(conn) { conn.on('error', function(err) { throw err; }); conn.on('data', function(data) { assert.strictEqual(data.toString(), 'PING'); have_ping = true; conn.write('PONG', 'utf-8'); }); conn.on('close', function() { server.close(); }); } const server = net.Server(); server.listen(common.PIPE, ping); server.on('connection', pong); server.on('close', function() { check(); cb && cb(); }); } test(net.Stream, function() { test(net.Socket); });