/// <summary>/// 二进制序列化/// </summary>interface IBinarySerializable{void Serialize(BinaryWriter binaryWriter);void Deserialize(BinaryReader binaryReader);}

    static class BinarySerialize{/// <summary>/// 写入 uin32 列表/// </summary>/// <param name="binaryWriter"></param>/// <param name="list"></param>public static void WriteUint32List(this BinaryWriter binaryWriter, List<uint> list){// 格式先写入列表长度，然后依次写入内容binaryWriter.Write(list.Count);foreach (var n in list){binaryWriter.Write(n);}}/// <summary>/// 读取 uint32 列表/// </summary>/// <param name="binaryReader"></param>/// <returns></returns>public static List<uint> ReadUint32List(this BinaryReader binaryReader){// 读取长度var count = binaryReader.ReadInt32();List<uint> list = new List<uint>(count);for (int i = 0; i < count; i++){list.Add(binaryReader.ReadUInt32());}return list;}/// <summary>/// 写入字符串列表/// </summary>/// <param name="binaryWriter"></param>/// <param name="stringList"></param>public static void WriteStringList(this BinaryWriter binaryWriter, List<string> stringList){// 格式先写入列表长度，然后依次写入字符串binaryWriter.Write(stringList.Count);foreach (var str in stringList){binaryWriter.Write(str);}}/// <summary>/// 写入可序列化类的列表/// </summary>/// <typeparam name="T"></typeparam>/// <param name="binaryWriter"></param>/// <param name="list"></param>public static void WriteList<T>(this BinaryWriter binaryWriter, List<T> list) where T : IBinarySerializable{// 先写入长度binaryWriter.Write(list.Count);foreach (var binarySerializable in list){binarySerializable.Serialize(binaryWriter);}}/// <summary>/// 读取可序列化类的列表/// </summary>/// <typeparam name="T"></typeparam>/// <param name="binaryReader"></param>/// <returns></returns>public static List<T> ReadList<T>(this BinaryReader binaryReader) where T : IBinarySerializable, new(){// 读取长度var count = binaryReader.ReadInt32();List<T> list = new List<T>(count);for (int i = 0; i < count; i++){T t = new T();t.Deserialize(binaryReader);list.Add(t);}return list;}/// <summary>/// 读取字符串列表/// </summary>/// <param name="binaryReader"></param>/// <returns></returns>public static List<string> ReadStringList(this BinaryReader binaryReader){// 先读取列表长度，然后依次读取字符串var count = binaryReader.ReadInt32();List<string> stringList = new List<string>(count);for (int i = 0; i < count; i++){var str = binaryReader.ReadString();stringList.Add(str);}return stringList;}/// <summary>/// 写入头信息，默认是需要固定长度的/// </summary>/// <param name="binaryWriter"></param>/// <param name="head"></param>/// <param name="headLength"></param>public static void WriteHead(this BinaryWriter binaryWriter, string head, int headLength){var headByte = StringToByteList(head);binaryWriter.WriteByteList(headByte, headLength);}/// <summary>/// 将字符串转换为 byte 其中字符串添加长度前缀/// </summary>/// <param name="str"></param>/// <returns></returns>public static byte[] StringToByteList(string str){var strByteList = Utf8.GetBytes(str);ushort byteLength = (ushort)strByteList.Length;var newLength = sizeof(ushort) + strByteList.Length;var byteList = new byte[newLength];var binaryWriter = new BinaryWriter(new MemoryStream(byteList));binaryWriter.Write(byteLength);binaryWriter.Write(strByteList);return byteList;}/// <summary>/// 写入二进制写入固定长度/// </summary>/// <param name="binaryWriter"></param>/// <param name="source"></param>/// <param name="byteCount"></param>public static void WriteByteList(this BinaryWriter binaryWriter, byte[] source, int byteCount){var byteList = new byte[byteCount];Array.Copy(source, 0, byteList, 0, Math.Min(source.Length, byteCount));binaryWriter.Write(byteList, 0, byteCount);}private static Encoding Utf8 => Encoding.UTF8;/// <summary>/// 读取固定长度的头/// </summary>/// <param name="binaryReader"></param>/// <param name="headLength"></param>/// <returns></returns>public static string ReadHead(this BinaryReader binaryReader, int headLength){var strByteLength = (ushort)binaryReader.ReadInt16();var strByteList = binaryReader.ReadBytes(strByteLength);var head = Utf8.GetString(strByteList);var readLength = headLength - sizeof(ushort) - strByteLength;binaryReader.ReadBytes(readLength);return head;}}

    [TestClass]public class BinarySerializeTests{private class FakeBinarySerialize : IBinarySerializable, IEquatable<FakeBinarySerialize>{/// <inheritdoc />public void Serialize(BinaryWriter binaryWriter){binaryWriter.Write(F1);binaryWriter.Write(F2);}/// <inheritdoc />public void Deserialize(BinaryReader binaryReader){F1 = binaryReader.ReadString();F2 = binaryReader.ReadInt32();}public string F1 { set; get; }public int F2 { set; get; }/// <inheritdoc />public bool Equals(FakeBinarySerialize other){if (ReferenceEquals(null, other)) return false;if (ReferenceEquals(this, other)) return true;return F1 == other.F1 && F2 == other.F2;}/// <inheritdoc />public override bool Equals(object obj){if (ReferenceEquals(null, obj)) return false;if (ReferenceEquals(this, obj)) return true;if (obj.GetType() != this.GetType()) return false;return Equals((FakeBinarySerialize)obj);}/// <inheritdoc />public override int GetHashCode(){unchecked{return ((F1 != null ? F1.GetHashCode() : 0) * 397) ^ F2;}}}[ContractTestCase]public void WriteUint32List(){"写入uint列表，可以读取列表内容".Test(() =>{// Arrangevar memoryStream = new MemoryStream();var binaryWriter = new BinaryWriter(memoryStream);var fakeBinarySerializeList = new List<uint>();for (int i = 0; i < 100; i++){fakeBinarySerializeList.Add((uint)i);}// ActionbinaryWriter.WriteUint32List(fakeBinarySerializeList);// AssertmemoryStream.Seek(0, SeekOrigin.Begin);var binaryReader = new BinaryReader(memoryStream);var readList = binaryReader.ReadUint32List();Equal(fakeBinarySerializeList, readList);});}[ContractTestCase]public void WriteList(){"写入列表内容，可以读取列表".Test(() =>{// Arrangevar memoryStream = new MemoryStream();var binaryWriter = new BinaryWriter(memoryStream);var fakeBinarySerializeList = new List<FakeBinarySerialize>();for (int i = 0; i < 100; i++){fakeBinarySerializeList.Add(new FakeBinarySerialize(){F1 = i.ToString(),F2 = i,});}// ActionbinaryWriter.WriteList(fakeBinarySerializeList);// AssertmemoryStream.Seek(0, SeekOrigin.Begin);var binaryReader = new BinaryReader(memoryStream);var readList = binaryReader.ReadList<FakeBinarySerialize>();Equal(fakeBinarySerializeList, readList);});}private void Equal<T>(List<T> a, List<T> b){Assert.AreEqual(a.Count, b.Count);for (int i = 0; i < a.Count; i++){Assert.AreEqual(a[i], b[i]);}}[ContractTestCase]public void WriteStringList(){"写入空字符串列表，可以读取空的列表".Test(() =>{// Arrangevar memoryStream = new MemoryStream();var binaryWriter = new BinaryWriter(memoryStream);var head = "Font Data 1.0.0";var length = 20;var test = (byte)0xF1;var stringList = new List<string>();// ActionbinaryWriter.WriteHead(head, length);binaryWriter.Write(test);binaryWriter.WriteStringList(stringList);// AssertmemoryStream.Seek(0, SeekOrigin.Begin);var binaryReader = new BinaryReader(memoryStream);var str = binaryReader.ReadHead(length);var b = binaryReader.ReadByte();var readList = binaryReader.ReadStringList();Assert.AreEqual(0, readList.Count);});"写入字符串列表，可以读取写入的值".Test(() =>{// Arrangevar memoryStream = new MemoryStream();var binaryWriter = new BinaryWriter(memoryStream);var head = "Font Data 1.0.0";var length = 20;var test = (byte)0xF1;var stringList = new List<string>(){"lindexi","doubi"};// ActionbinaryWriter.WriteHead(head, length);binaryWriter.Write(test);binaryWriter.WriteStringList(stringList);// AssertmemoryStream.Seek(0, SeekOrigin.Begin);var binaryReader = new BinaryReader(memoryStream);var str = binaryReader.ReadHead(length);var b = binaryReader.ReadByte();var readList = binaryReader.ReadStringList();});}[ContractTestCase]public void WriteHead(){"尝试写入长度小于指定长度的头，可以写入和读取".Test(() =>{// Arrangevar memoryStream = new MemoryStream();var binaryWriter = new BinaryWriter(memoryStream);var head = "Font Data 1.0.0";var length = 20;var test = (byte)0xF1;// ActionbinaryWriter.WriteHead(head, length);binaryWriter.Write(test);// AssertmemoryStream.Seek(0, SeekOrigin.Begin);var binaryReader = new BinaryReader(memoryStream);var str = binaryReader.ReadHead(length);var b = binaryReader.ReadByte();Assert.AreEqual(head, str);Assert.AreEqual(test, b);});}}

        <PackageReference Include="MSTestEnhancer" Version="1.6.0" />