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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const invalidTypes = [
'test',
['udp4'],
new String('udp4'),
1,
{},
true,
false,
null,
undefined
];
const validTypes = [
'udp4',
'udp6',
{ type: 'udp4' },
{ type: 'udp6' }
];
const errMessage = /^Bad socket type specified\. Valid types are: udp4, udp6$/;
// Error must be thrown with invalid types
invalidTypes.forEach((invalidType) => {
assert.throws(() => {
dgram.createSocket(invalidType);
}, common.expectsError({
code: 'ERR_SOCKET_BAD_TYPE',
type: TypeError,
message: errMessage
}));
});
// Error must not be thrown with valid types
validTypes.forEach((validType) => {
assert.doesNotThrow(() => {
const socket = dgram.createSocket(validType);
socket.close();
});
});
// Ensure buffer sizes can be set
{
const socket = dgram.createSocket({
type: 'udp4',
recvBufferSize: 10000,
sendBufferSize: 15000
});
socket.bind(common.mustCall(() => {
// note: linux will double the buffer size
assert.ok(socket.getRecvBufferSize() === 10000 ||
socket.getRecvBufferSize() === 20000,
'SO_RCVBUF not 1300 or 2600');
assert.ok(socket.getSendBufferSize() === 15000 ||
socket.getSendBufferSize() === 30000,
'SO_SNDBUF not 1800 or 3600');
socket.close();
}));
}