using System;
    using NUnit.Framework;
    
    namespace Simple
    {
    	[TestFixture] public class SoapClientTest : Assertion  
    	{
    		private SoapClient client;
    
    		[Test] public void EchoMessage() 
    		{
    			this.client = new SoapClient();
    			AssertEquals("Hello world", client.echoHeader("Hello world"));
    		}
    	}
    }
    

    using System;
    
    namespace Simple
    {
    	public class SoapClient
    	{
    		Simple.localhost.EchoHeadersService echoHeaderService = null;
    
    		public SoapClient()
    		{		
    			echoHeaderService = new Simple.localhost.EchoHeadersService();
    		}
    
    		public string echoHeader(string message) 
    		{		
    			return echoHeaderService.echo(message);
    		}
    
    	}
    }