node/test/parallel/test-net-connect-buffer2.js
Robert Nagy 8f86986985 stream: use callback to properly propagate error
The stream will be destroyed upstream through the proper error
flow.

PR-URL: https://github.com/nodejs/node/pull/29179
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2020-04-03 19:00:28 +02:00

57 lines
1.7 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const net = require('net');
const tcp = net.Server(common.mustCall((s) => {
tcp.close();
let buf = '';
s.setEncoding('utf8');
s.on('data', function(d) {
buf += d;
});
s.on('end', common.mustCall(function() {
console.error('SERVER: end', buf);
assert.strictEqual(buf, "L'État, c'est moi");
s.end();
}));
}));
tcp.listen(0, common.mustCall(function() {
const socket = net.Stream({ highWaterMark: 0 });
let connected = false;
assert.strictEqual(socket.pending, true);
socket.connect(this.address().port, common.mustCall(() => connected = true));
assert.strictEqual(socket.pending, true);
assert.strictEqual(socket.connecting, true);
assert.strictEqual(socket.readyState, 'opening');
// Write a string that contains a multi-byte character sequence to test that
// `bytesWritten` is incremented with the # of bytes, not # of characters.
const a = "L'État, c'est ";
const b = 'moi';
// We're still connecting at this point so the datagram is first pushed onto
// the connect queue. Make sure that it's not added to `bytesWritten` again
// when the actual write happens.
const r = socket.write(a, common.mustCall((er) => {
console.error('write cb');
assert.ok(connected);
assert.strictEqual(socket.bytesWritten, Buffer.from(a + b).length);
assert.strictEqual(socket.pending, false);
}));
socket.on('close', common.mustCall(() => {
assert.strictEqual(socket.pending, true);
}));
assert.strictEqual(socket.bytesWritten, Buffer.from(a).length);
assert.strictEqual(r, false);
socket.end(b);
assert.strictEqual(socket.readyState, 'opening');
}));