/// <summary>
/// Get attributes from MethodInfo, PropertyInfo, ParameterInfo, and FieldInfo
/// </summary>
/// <param name="value">MethodInfo, PropertyInfo, ParameterInfo, and FieldInfo</param>
/// <returns>attributes</returns>
public IEnumerable <Attribute> GetAttributes(object value)
{
if (value == null)
{
return(ImmutableLinkedList <Attribute> .Empty);
}
var values = _knownValues.GetValueOrDefault(value);
if (values != null)
{
return(values);
}
Attribute[] attributes;
var type = value as Type;
if (type != null)
{
attributes = type.GetTypeInfo().GetCustomAttributes()?.ToArray();
}
else
{
var parameterInfo = value as ParameterInfo;
if (parameterInfo != null)
{
attributes = parameterInfo.GetCustomAttributes()?.ToArray();
}
else
{
var memberInfo = value as MemberInfo;
if (memberInfo != null)
{
attributes = memberInfo.GetCustomAttributes <Attribute>()?.ToArray();
}
else
{
throw new NotSupportedException(
$"Getting attributes on type {value.GetType().Name} is not supported");
}
}
}
if (attributes == null || attributes.Length == 0)
{
return(ImmutableLinkedList <Attribute> .Empty);
}
var list = ImmutableLinkedList.From(attributes);
return(ImmutableHashTree.ThreadSafeAdd(ref _knownValues, value, list));
}
public void ImmutableLinkedList_From()
{
var list = ImmutableLinkedList.From(new[] { 5, 10, 15 });
var newList = new List <int>(list);
Assert.Equal(3, newList.Count);
Assert.Contains(5, newList);
Assert.Contains(10, newList);
Assert.Contains(15, newList);
}
/// <summary>
/// Default Constructor
/// </summary>
/// <param name="typeFilters"></param>
public GenericFilterGroup(params Func <T, bool>[] typeFilters)
{
if (typeFilters == null)
{
throw new ArgumentNullException(nameof(typeFilters));
}
_typeFilters = typeFilters.Length == 0 ?
ImmutableLinkedList <Func <T, bool> > .Empty :
ImmutableLinkedList.From(typeFilters);
}
public void ImmutableLinkedList_Null_Reference_Check()
{
var value = (ImmutableLinkedList <int>)null;
Assert.Throws <ArgumentNullException>(() => ImmutableLinkedList.ThreadSafeAddRange(ref value, new [] { 5 }));
value = ImmutableLinkedList <int> .Empty;
Assert.Throws <ArgumentNullException>(() => ImmutableLinkedList.ThreadSafeAddRange(ref value, null));
Assert.Throws <ArgumentNullException>(() => ImmutableLinkedList <int> .Empty.Visit(null));
Assert.Throws <ArgumentNullException>(() => ImmutableLinkedList <int> .Empty.AddRange(null));
Assert.Throws <ArgumentNullException>(() => ImmutableLinkedList.From <int>(null));
}
