diff --git a/test/connection.test.js b/test/connection.test.js
index 5beea3d289e..eb032b439f9 100644
--- a/test/connection.test.js
+++ b/test/connection.test.js
@@ -29,6 +29,205 @@ module.exports = {
     });
   },
 
+  'test connection args': function (beforeExit) {
+    var db = mongoose.createConnection('mongodb://localhost/fake');
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    should.strictEqual(undefined, db.pass);
+    should.strictEqual(undefined, db.user);
+    db.name.should.equal('fake');
+    db.host.should.equal('localhost');
+    db.port.should.equal(27017);
+    db.close();
+
+    db = mongoose.createConnection('mongodb://localhost:27000/fake');
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    should.strictEqual(undefined, db.pass);
+    should.strictEqual(undefined, db.user);
+    db.name.should.equal('fake');
+    db.host.should.equal('localhost');
+    db.port.should.equal('27000');
+    db.close();
+
+    db = mongoose.createConnection('mongodb://aaron:psw@localhost:27000/fake');
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    should.strictEqual('psw', db.pass);
+    should.strictEqual('aaron', db.user);
+    db.name.should.equal('fake');
+    db.host.should.equal('localhost');
+    db.port.should.equal('27000');
+    db.close();
+
+    db = mongoose.createConnection('mongodb://aaron:psw@localhost:27000/fake', { db: { forceServerObjectId: true }});
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.close();
+
+    db = mongoose.createConnection('mongodb://aaron:psw@localhost:27000/fake', { server: { auto_reconnect: true }});
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.true;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.close();
+
+    var called1 = false;
+    db = mongoose.createConnection('mongodb://aaron:psw@localhost:27000/fake', { server: { auto_reconnect: true }}, function () {
+       called1 = true;
+    });
+    beforeExit(function () {
+      called1.should.be.true;
+    });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.true;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.close();
+
+    var called2 = false;
+    db = mongoose.createConnection('mongodb://localhost/fake', function () {
+      called2 = true;
+    });
+    beforeExit(function () {
+      called2.should.be.true;
+    });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.name.should.equal('fake');
+    db.host.should.equal('localhost');
+    db.port.should.equal(27017);
+    db.close();
+
+    db = mongoose.createConnection('mongodb:///fake', function (err) {
+      err.message.should.equal('Missing connection hostname.');
+    });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    should.strictEqual(undefined, db.name);
+    should.strictEqual(undefined, db.host);
+    should.strictEqual(undefined, db.port);
+    db.close();
+
+    db = mongoose.createConnection('mongodb://localhost', function (err) {
+      err.message.should.equal('Missing connection database.');
+    });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    should.strictEqual(undefined, db.name);
+    should.strictEqual(undefined, db.host);
+    should.strictEqual(undefined, db.port);
+    db.close();
+
+    var called3 = false;
+    db = mongoose.createConnection('127.0.0.1', 'faker', 28000, { server: { auto_reconnect: true }}, function () {
+       called3 = true;
+    });
+    beforeExit(function () {
+      called3.should.be.true;
+    });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.true;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.name.should.equal('faker');
+    db.host.should.equal('127.0.0.1');
+    db.port.should.equal(28000);
+    db.close();
+
+    var called4 = false;
+    db = mongoose.createConnection('127.0.0.1', 'faker', 28000, function () {
+       called4 = true;
+    });
+    beforeExit(function () {
+      called4.should.be.true;
+    });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.name.should.equal('faker');
+    db.host.should.equal('127.0.0.1');
+    db.port.should.equal(28000);
+    db.close();
+
+    db = mongoose.createConnection('127.0.0.1', 'faker', 28000, { server: { auto_reconnect: true }});
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.true;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.name.should.equal('faker');
+    db.host.should.equal('127.0.0.1');
+    db.port.should.equal(28000);
+    db.close();
+
+    db = mongoose.createConnection('127.0.0.1', 'faker', 28001);
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.name.should.equal('faker');
+    db.host.should.equal('127.0.0.1');
+    db.port.should.equal(28001);
+    db.close();
+
+    db = mongoose.createConnection('127.0.0.1', 'faker', { blah: 1 });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.options.blah.should.equal(1);
+    db.name.should.equal('faker');
+    db.host.should.equal('127.0.0.1');
+    db.port.should.equal(27017);
+    db.close();
+
+    var called5 = false
+    db = mongoose.createConnection('127.0.0.1', 'faker', function () {
+      called5 = true;
+    });
+    beforeExit(function () {
+      called5.should.be.true;
+    });
+    db.options.should.be.a('object');
+    db.options.server.should.be.a('object');
+    db.options.server.auto_reconnect.should.be.false;
+    db.options.db.should.be.a('object');
+    db.options.db.forceServerObjectId.should.be.false;
+    db.name.should.equal('faker');
+    db.host.should.equal('127.0.0.1');
+    db.port.should.equal(27017);
+    db.close();
+  },
+
   'connection.model allows passing a schema': function () {
     var db = start();
     var MyModel = db.model('MyModelasdf', new Schema({