1'use strict'; 2const common = require('../common'); 3const assert = require('assert'); 4const net = require('net'); 5 6const tcp = net.Server(common.mustCall((s) => { 7 tcp.close(); 8 9 let buf = ''; 10 s.setEncoding('utf8'); 11 s.on('data', function(d) { 12 buf += d; 13 }); 14 15 s.on('end', common.mustCall(function() { 16 console.error('SERVER: end', buf); 17 assert.strictEqual(buf, "L'État, c'est moi"); 18 s.end(); 19 })); 20})); 21 22tcp.listen(0, common.mustCall(function() { 23 const socket = net.Stream({ highWaterMark: 0 }); 24 25 let connected = false; 26 assert.strictEqual(socket.pending, true); 27 socket.connect(this.address().port, common.mustCall(() => connected = true)); 28 29 assert.strictEqual(socket.pending, true); 30 assert.strictEqual(socket.connecting, true); 31 assert.strictEqual(socket.readyState, 'opening'); 32 33 // Write a string that contains a multi-byte character sequence to test that 34 // `bytesWritten` is incremented with the # of bytes, not # of characters. 35 const a = "L'État, c'est "; 36 const b = 'moi'; 37 38 // We're still connecting at this point so the datagram is first pushed onto 39 // the connect queue. Make sure that it's not added to `bytesWritten` again 40 // when the actual write happens. 41 const r = socket.write(a, common.mustCall((er) => { 42 console.error('write cb'); 43 assert.ok(connected); 44 assert.strictEqual(socket.bytesWritten, Buffer.from(a + b).length); 45 assert.strictEqual(socket.pending, false); 46 })); 47 socket.on('close', common.mustCall(() => { 48 assert.strictEqual(socket.pending, true); 49 })); 50 51 assert.strictEqual(socket.bytesWritten, Buffer.from(a).length); 52 assert.strictEqual(r, false); 53 socket.end(b); 54 55 assert.strictEqual(socket.readyState, 'opening'); 56})); 57