（.NET）检测编码的还原的代码

Program
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace TestCharactor
{
    class Program
    {
        static void Main(string[] args)
        {
            string sOrig = Common4RunTime.ReadFromFile(".\\TestComp.txt");

            int iStart = 0, iLength = 0;
            int iCompareTime = 150000;
            Console.WriteLine("Compare time is: {0}.",iCompareTime.ToString());
            foreach (Encoding encoding in Common4RunTime.ListEncoding)
            {
                ListCompare listComp = new ListCompare();
                for (int i = 0; i < iCompareTime; i++)
                {
                    long tick = DateTime.Now.Ticks;
                    Random ran = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));

                    iStart = ran.Next(0, sOrig.Length);
                    iLength = ran.Next(0, sOrig.Length - iStart);

                    string sComp = sOrig.Substring(iStart, iLength);
                    listComp.ListComparePair.Add(new CompareEncoding(encoding, sComp));
                }

                Console.WriteLine("Current use encoding: {0}, and equal result is: {1}", encoding.ToString(), listComp.IsAllReduced.ToString());
            }

            Console.WriteLine("\r\nThe Operation of comparing has been completed!");
            Console.ReadLine();
        }
    }
}
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Common4RunTime

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace TestCharactor
{
    public static class Common4RunTime
    {
        public static List<Encoding> ListEncoding
        {
            get
            {
                List<Encoding> list = new List<Encoding>();

                //list.Add(Encoding.Default);
                //list.Add(Encoding.ASCII);
                list.Add(Encoding.BigEndianUnicode);
                list.Add(Encoding.Unicode);
                list.Add(Encoding.UTF32);
                list.Add(Encoding.UTF7);
                list.Add(Encoding.UTF8);

                return list;
            }
        }

        public static string ReadFromFile(string filePath)
        {
            using (StreamReader sr = new StreamReader(filePath))
                return sr.ReadToEnd();
        }
    }
}

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CompareEncoding

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace TestCharactor
{
    public class CompareEncoding
    {
        public Encoding TheEncoding { get; set; }
        public string OriginalString { get; set; }

        public string ReductionString
        {
            get { return TheEncoding.GetString(TheEncoding.GetBytes(OriginalString)); }
        }
        public bool IsEqual
        {
            get { return OriginalString == ReductionString; }
        }

        public CompareEncoding(Encoding encoding, string originalString)
        {
            TheEncoding = encoding;
            OriginalString = originalString;
        }
    }
}


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ListCompare

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace TestCharactor
{
    public class ListCompare
    {
        public List<CompareEncoding> ListComparePair { get; set; }
        public bool IsAllReduced
        {
            get
            {
                return ListNotEqualComp.Count == 0;
            }
        }

        public List<CompareEncoding> ListNotEqualComp
        {
            get
            {
                List<CompareEncoding> list = new List<CompareEncoding>();
                foreach (CompareEncoding ce in ListComparePair)
                    if (!ce.IsEqual)
                        list.Add(ce);

                return list;
            }
        }

        public ListCompare()
        {
            ListComparePair = new List<CompareEncoding>();
        }
    }
}

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