'use strict'; require('../common'); var assert = require('assert'); var dgram = require('dgram'); var buf = Buffer.from('test'); var host = '127.0.0.1'; var sock = dgram.createSocket('udp4'); assert.throws(function() { sock.send(); }, TypeError); // First argument should be a buffer. // send(buf, offset, length, port, host) assert.throws(function() { sock.send(buf, 1, 1, -1, host); }, RangeError); assert.throws(function() { sock.send(buf, 1, 1, 0, host); }, RangeError); assert.throws(function() { sock.send(buf, 1, 1, 65536, host); }, RangeError); // send(buf, port, host) assert.throws(function() { sock.send(23, 12345, host); }, TypeError); // send([buf1, ..], port, host) assert.throws(function() { sock.send([buf, 23], 12345, host); }, TypeError);