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'use strict';
require('../common');
const assert = require('assert');
const dns = require('dns');
const net = require('net');
const expectedConnections = 7;
var clientConnected = 0;
var serverConnected = 0;
const server = net.createServer(function(socket) {
socket.end();
if (++serverConnected === expectedConnections) {
server.close();
}
});
server.listen(0, 'localhost', function() {
function cb() {
++clientConnected;
}
function fail(opts, errtype, msg) {
assert.throws(function() {
net.createConnection(opts, cb);
}, function(err) {
return err instanceof errtype && msg === err.message;
});
}
net.createConnection(this.address().port).on('connect', cb);
net.createConnection(this.address().port, 'localhost').on('connect', cb);
net.createConnection(this.address().port, cb);
net.createConnection(this.address().port, 'localhost', cb);
net.createConnection(this.address().port + '', 'localhost', cb);
net.createConnection({port: this.address().port + ''}).on('connect', cb);
net.createConnection({port: '0x' + this.address().port.toString(16)}, cb);
fail({
port: true
}, TypeError, '"port" option should be a number or string: true');
fail({
port: false
}, TypeError, '"port" option should be a number or string: false');
fail({
port: []
}, TypeError, '"port" option should be a number or string: ');
fail({
port: {}
}, TypeError, '"port" option should be a number or string: [object Object]');
fail({
port: null
}, TypeError, '"port" option should be a number or string: null');
fail({
port: ''
}, RangeError, '"port" option should be >= 0 and < 65536: ');
fail({
port: ' '
}, RangeError, '"port" option should be >= 0 and < 65536: ');
fail({
port: '0x'
}, RangeError, '"port" option should be >= 0 and < 65536: 0x');
fail({
port: '-0x1'
}, RangeError, '"port" option should be >= 0 and < 65536: -0x1');
fail({
port: NaN
}, RangeError, '"port" option should be >= 0 and < 65536: NaN');
fail({
port: Infinity
}, RangeError, '"port" option should be >= 0 and < 65536: Infinity');
fail({
port: -1
}, RangeError, '"port" option should be >= 0 and < 65536: -1');
fail({
port: 65536
}, RangeError, '"port" option should be >= 0 and < 65536: 65536');
fail({
hints: (dns.ADDRCONFIG | dns.V4MAPPED) + 42,
}, TypeError, 'Invalid argument: hints must use valid flags');
});
// Try connecting to random ports, but do so once the server is closed
server.on('close', function() {
function nop() {}
net.createConnection({port: 0}).on('error', nop);
net.createConnection({port: undefined}).on('error', nop);
});
process.on('exit', function() {
assert.equal(clientConnected, expectedConnections);
});
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