Enumerable stream Xnodes

EnumerableXmlReader_stream.cs

public IEnumerable<T> Stream<T>(string nodeName)
{           
	//move to  content
	_reader.MoveToContent();
	// Parse the file by node
	while (_reader.Read())
	{
		switch (_reader.NodeType)
		{
			case XmlNodeType.Element:
			   //dont ignore case, xml is case sensitive
			   if (_reader.Name.Equals(nodeName, 
                                       StringComparison.InvariantCulture))
			   {
			     var el = XNode.ReadFrom(_reader) as XElement;
			     if (el != null)
				yield return DeSerializer<T>(el);
			   }
			   break;
		}
	}
}

unittest_FirstEmployee.cs

[Test]
public void FirstEmployee()
{
	using (var reader = GetEnumerableXmlReader())
	{
		var employee = reader.Stream<Employee>().First();

		Assert.IsNotNull(employee);

		Assert.IsNotNullOrEmpty(employee.EmployeeID);
	}
}