node/test/simple/test-tcp-wrap.js

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var common = require('../common');
var assert = require('assert');

var TCP = process.binding('tcp_wrap').TCP;

var handle = new TCP();

// Should be able to bind to the common.PORT
var r = handle.bind('0.0.0.0', common.PORT);
assert.equal(0, r);

// Should not be able to bind to the same port again
var r = handle.bind('0.0.0.0', common.PORT);
assert.equal(-1, r);
console.log(process._errno);
assert.equal(process._errno, 'EINVAL');

handle.close();