node/test/parallel/test-dgram-create-socket-handle.js
cjihrig a2fac322d5 test: add coverage for dgram _createSocketHandle()
This commit adds code coverage to _createSocketHandle(), which
the cluster module uses to create dgram sockets.

PR-URL: https://github.com/nodejs/node/pull/11291
Reviewed-By: James M Snell <jasnell@gmail.com>
2017-02-13 17:25:40 -05:00

40 lines
1003 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const UDP = process.binding('udp_wrap').UDP;
const _createSocketHandle = dgram._createSocketHandle;
// Throws if an "existing fd" is passed in.
assert.throws(() => {
_createSocketHandle(common.localhostIPv4, 0, 'udp4', 42);
}, /^AssertionError: false == true$/);
{
// Create a handle that is not bound.
const handle = _createSocketHandle(null, null, 'udp4');
assert(handle instanceof UDP);
assert.strictEqual(typeof handle.fd, 'number');
assert(handle.fd < 0);
}
{
// Create a bound handle.
const handle = _createSocketHandle(common.localhostIPv4, 0, 'udp4');
assert(handle instanceof UDP);
assert.strictEqual(typeof handle.fd, 'number');
if (!common.isWindows)
assert(handle.fd > 0);
}
{
// Return an error if binding fails.
const err = _createSocketHandle('localhost', 0, 'udp4');
assert.strictEqual(typeof err, 'number');
assert(err < 0);
}