public void NotContains(Expression <Func <object> > expression, Type enumType)
{
this.EnsureNotNull("expression", (object)expression);
this.EnsureNotNullParameter((Expression <Func <object> >)(() => enumType));
string name = ParamExpression.GetName((LambdaExpression)expression);
object obj = ParamExpression.GetValue((LambdaExpression)expression);
Type enumType1 = enumType;
bool flag = false;
if (enumType.IsGenericType)
{
if (!enumType.Assembly.FullName.Equals(typeof(Nullable <>).Assembly.FullName) || !enumType.Namespace.Equals(typeof(Nullable <>).Namespace) || !enumType.Name.Equals(typeof(Nullable <>).Name))
{
throw new ArgumentException("enumType debe ser una enumeración", "enumType");
}
flag = true;
enumType1 = Nullable.GetUnderlyingType(enumType);
}
if (!enumType1.IsEnum)
{
throw new ArgumentException("enumType debe ser una enumeración", "enumType");
}
Exception exception = (Exception)null;
if (!flag && obj == null)
{
exception = WhenBase <TException> .CreateException(StringExtensions.StringFormat("El valor de '{0}' no puedo ser nulo si el tipo no es nulable", (object)name));
}
else if (!Enumerable.Any <FlagsAttribute>(Enumerable.OfType <FlagsAttribute>((IEnumerable)enumType1.GetCustomAttributes(false))))
{
if (obj != null && !Enum.IsDefined(enumType1, obj))
{
exception = WhenBase <TException> .CreateException(StringExtensions.StringFormat("El valor de '{0}' no es un valor posible", (object)name));
}
}
else
{
IEnumerable <long> enumerable = Enumerable.Select <object, long>(Enumerable.Cast <object>((IEnumerable)Enum.GetValues(enumType1)), (Func <object, long>)(x => (long)Convert.ChangeType(x, typeof(long))));
long num1 = 0;
long num2 = (long)Convert.ChangeType(obj, typeof(long));
foreach (long num3 in enumerable)
{
if ((num3 & num2) == num3)
{
num1 += num3;
}
}
if (num1 != num2)
{
exception = WhenBase <TException> .CreateException(StringExtensions.StringFormat("El valor de '{0}' no es un valor posible", (object)name));
}
}
if (exception != null)
{
throw exception;
}
}
protected void CheckCondition(Func <bool> condition, string message)
{
if (!condition())
{
return;
}
Exception exception = WhenBase <TException> .CreateException(message);
if (exception != null)
{
throw exception;
}
}
