Error Example

Filter.annotated.cs

//Example of a basic bug that causes an infinite loop


public static IEnumerable<Filter> Create(IEnumerable<string> filters)
{
	if (filters == null)
		throw new ArgumentNullException("filters");

	if (filters.Count() == 0)
		throw new ArgumentException("At least 1 filter must be specified", "filters");

	var filterList = new List<Filter>();

	foreach (var filter in filters)
		filterList.AddRange(Create(filters)); //<-- Causes infinite loop

	return filterList;
}

public static IEnumerable<Filter> Create(string filter)
{
	if (string.IsNullOrEmpty(filter))
		return Enumerable.Empty<Filter>();

	if (SubSelector.IsMatch(filter))
		return GetFiltersFromSubSelector(filter);

	return new List<Filter> { new Filter(filter, false) };
}

Filter.cs

public static IEnumerable<Filter> Create(IEnumerable<string> filters)
{
	if (filters == null)
		throw new ArgumentNullException("filters");

	if (filters.Count() == 0)
		throw new ArgumentException("At least 1 filter must be specified", "filters");

	var filterList = new List<Filter>();

	foreach (var filter in filters)
		filterList.AddRange(Create(filters));

	return filterList;
}

public static IEnumerable<Filter> Create(string filter)
{
	if (string.IsNullOrEmpty(filter))
		return Enumerable.Empty<Filter>();

	if (SubSelector.IsMatch(filter))
		return GetFiltersFromSubSelector(filter);

	return new List<Filter> { new Filter(filter, false) };
}

GetIpAddress.annotated.cs

//Simple example of a possible IndexOutOfRangeException

public static string GetReturnAddress(Address value, Address target)
        {
            var machine = target.Machine;

            IPAddress ipAddress;

            //see if the target is an IP address, if so, get our own local ip address
            if (IPAddress.TryParse(machine, out ipAddress))
            {
                string myIp = null;

                var networkInterfaces = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces();
                foreach(var ni in networkInterfaces)
                    if (ni.OperationalStatus == OperationalStatus.Up && ni.NetworkInterfaceType != NetworkInterfaceType.Loopback)
                    {
                        var ipProps = ni.GetIPProperties();
                        if (ipProps.UnicastAddresses.Count > 0) //<-- checks if there is at least 1 adddress
                        {
                            myIp = ipProps.UnicastAddresses[1].Address.ToString(); //<-- Grabs the 2nd address but there may be only one.
                            break;
                        }
                    }

                if (myIp == null)
                    myIp = "127.0.0.1";

                return PREFIX_TCP + myIp + PRIVATE + value.Queue;
            }

            return PREFIX + GetFullPathWithoutPrefix(value);
        }

GetIpAddress.cs

public static string GetReturnAddress(Address value, Address target)
        {
            var machine = target.Machine;

            IPAddress ipAddress;

            //see if the target is an IP address, if so, get our own local ip address
            if (IPAddress.TryParse(machine, out ipAddress))
            {
                string myIp = null;

                var networkInterfaces = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces();
                foreach(var ni in networkInterfaces)
                    if (ni.OperationalStatus == OperationalStatus.Up && ni.NetworkInterfaceType != NetworkInterfaceType.Loopback)
                    {
                        var ipProps = ni.GetIPProperties();
                        if (ipProps.UnicastAddresses.Count > 0)
                        {
                            myIp = ipProps.UnicastAddresses[1].Address.ToString();
                            break;
                        }
                    }

                if (myIp == null)
                    myIp = "127.0.0.1";

                return PREFIX_TCP + myIp + PRIVATE + value.Queue;
            }

            return PREFIX + GetFullPathWithoutPrefix(value);
        }