TestLL.cs


//using CSEvilTestor;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
namespace TestCases
{
    class XmlAttribute:Attribute
    {

    }

    class XmlFieldListAttribute: XmlAttribute
    {

    }

    class XmlFieldMapAttribute : XmlAttribute
    {
        
    }

    [XmlFieldMapAttribute]
    public class TestLL
    {
        [XmlFieldMapAttribute]
        public Dictionary<int, int> tempMap = new Dictionary<int, int>();
        [XmlFieldMapAttribute]
        public Dictionary<int, int> tempMapProperty => tempMap;
        [XmlFieldMapAttribute]
        public Dictionary<int, int> GetTempMap() => tempMap;

        public static string TestIsAssignableFrom()
        {
            Console.WriteLine("sign not XmlAttribute" + typeof(XmlFieldListAttribute).IsAssignableFrom(typeof(XmlAttribute)));
            Console.WriteLine("sign not Attribute" + typeof(XmlFieldListAttribute).IsAssignableFrom(typeof(Attribute)));

            Console.WriteLine("sign XmlAttribute " + typeof(XmlAttribute).IsAssignableFrom(typeof(XmlFieldListAttribute)));
            Console.WriteLine("sign Attribute " + typeof(Attribute).IsAssignableFrom(typeof(XmlFieldListAttribute)));
            //主要是这一条
            Console.WriteLine("sign Attribute " + typeof(Attribute).IsAssignableFrom(typeof(XmlAttribute)));

            Console.WriteLine("sub XmlAttribute " + typeof(XmlFieldListAttribute).IsSubclassOf(typeof(XmlAttribute)));
            Console.WriteLine("sub Attribute " + typeof(XmlFieldListAttribute).IsSubclassOf(typeof(Attribute)));
            return "Test finish!";
        }

        public static string TestILRuntimeTypeEquals()
        {
            FieldInfo fieldInfo = typeof(TestLL).GetField("tempMap");

            object[] xmlAttributeList = fieldInfo.GetCustomAttributes(typeof(XmlAttribute), true);
            //object[] xmlAttributeList = fieldInfo.GetCustomAttributes(typeof(XmlFieldListAttribute), true);
            Console.WriteLine(xmlAttributeList + ":" + xmlAttributeList.Count());
            foreach (var item in xmlAttributeList)
            {
                Console.WriteLine(item);
            }
            Console.WriteLine(fieldInfo.IsDefined(typeof(XmlFieldMapAttribute), true));
            Console.WriteLine(fieldInfo.IsDefined(typeof(XmlFieldListAttribute), true));

            return "Test finish!";
        }

        public static void TestFieldGetCustomAttribte()
        {
            FieldInfo fieldInfo = typeof(TestLL).GetField("tempMap");

            Console.WriteLine($"test GetCustomAttribute using System.Reflection.CustomAttributeExtensions.GetCustomAttribute");
            var attribute = fieldInfo.GetCustomAttribute(typeof(XmlFieldMapAttribute), true);
            Console.WriteLine($"TestLL.tempMap has {(attribute == null ? "NO " : "")}XmlFieldMapAttribute");

            Console.WriteLine($"test GetCustomAttribute using System.Attribute.GetCustomAttribute");
            attribute = Attribute.GetCustomAttribute(fieldInfo, typeof(XmlFieldMapAttribute), true);
            Console.WriteLine($"TestLL.tempMap has {(attribute == null ? "NO " : "")}XmlFieldMapAttribute");
        }

        public static void TestTypeGetCustomAttribte()
        {
            var type = typeof(TestLL);

            Console.WriteLine($"test GetCustomAttribute using System.Reflection.CustomAttributeExtensions.GetCustomAttribute");
            var attribute = type.GetCustomAttribute(typeof(XmlFieldMapAttribute), true);
            Console.WriteLine($"TestLL has {(attribute == null ? "NO " : "")}XmlFieldMapAttribute");

            Console.WriteLine($"test GetCustomAttribute using System.Attribute.GetCustomAttribute");
            attribute = Attribute.GetCustomAttribute(type, typeof(XmlFieldMapAttribute), true);
            Console.WriteLine($"TestLL has {(attribute == null ? "NO " : "")}XmlFieldMapAttribute");
        }

        public static void TestMethodGetCustomAttribte()
        {
            var methodInfo = typeof(TestLL).GetMethod("GetTempMap");

            Console.WriteLine($"test GetCustomAttribute using System.Reflection.CustomAttributeExtensions.GetCustomAttribute");
            var attribute = methodInfo.GetCustomAttribute(typeof(XmlFieldMapAttribute), true);
            Console.WriteLine($"TestLL.GetTempMap has {(attribute == null ? "NO " : "")}XmlFieldMapAttribute");

            Console.WriteLine($"test GetCustomAttribute using System.Attribute.GetCustomAttribute");
            attribute = Attribute.GetCustomAttribute(methodInfo, typeof(XmlFieldMapAttribute), true);
            Console.WriteLine($"TestLL.GetTempMap has {(attribute == null ? "NO " : "")}XmlFieldMapAttribute");
        }
    }
}