/// <summary>
/// Return an IEnumerable providing data for use with the
/// supplied parameter.
/// </summary>
/// <param name="parameter">A ParameterInfo representing one
/// argument to a parameterized test</param>
/// <returns>
/// An IEnumerable providing the required data
/// </returns>
public System.Collections.IEnumerable GetDataFor(IParameterInfo parameter)
{
var datapoints = new List <object>();
Type parameterType = parameter.ParameterType;
Type fixtureType = parameter.Method.TypeInfo.Type;
foreach (MemberInfo member in fixtureType.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance | BindingFlags.FlattenHierarchy))
{
if (member.IsDefined(typeof(DatapointAttribute), true))
{
var field = member as FieldInfo;
if (GetTypeFromMemberInfo(member) == parameterType && field != null)
{
if (field.IsStatic)
{
datapoints.Add(field.GetValue(null));
}
else
{
datapoints.Add(field.GetValue(ProviderCache.GetInstanceOf(fixtureType)));
}
}
}
else if (member.IsDefined(typeof(DatapointSourceAttribute), true))
{
if (GetElementTypeFromMemberInfo(member) == parameterType)
{
object instance;
FieldInfo field = member as FieldInfo;
PropertyInfo property = member as PropertyInfo;
MethodInfo method = member as MethodInfo;
if (field != null)
{
instance = field.IsStatic ? null : ProviderCache.GetInstanceOf(fixtureType);
foreach (object data in (IEnumerable)field.GetValue(instance))
{
datapoints.Add(data);
}
}
else if (property != null)
{
MethodInfo getMethod = property.GetGetMethod(true);
instance = getMethod.IsStatic ? null : ProviderCache.GetInstanceOf(fixtureType);
foreach (object data in (IEnumerable)property.GetValue(instance, null))
{
datapoints.Add(data);
}
}
else if (method != null)
{
instance = method.IsStatic ? null : ProviderCache.GetInstanceOf(fixtureType);
foreach (object data in (IEnumerable)method.Invoke(instance, new Type[0]))
{
datapoints.Add(data);
}
}
}
}
}
if (datapoints.Count == 0)
{
if (parameterType == typeof(bool))
{
datapoints.Add(true);
datapoints.Add(false);
}
else if (parameterType.GetTypeInfo().IsEnum)
{
foreach (object o in TypeHelper.GetEnumValues(parameterType))
{
datapoints.Add(o);
}
}
}
return(datapoints);
}