System.IO.Tests.MemoryStreamTests.MemoryStream_WriteToTests C# (CSharp) Метод

        public static void MemoryStream_WriteToTests()
        {
            using (MemoryStream ms2 = new MemoryStream())
            {
                byte[] bytArrRet;
                byte[] bytArr = new byte[] { byte.MinValue, byte.MaxValue, 1, 2, 3, 4, 5, 6, 128, 250 };

                // [] Write to FileStream, check the filestream
                ms2.Write(bytArr, 0, bytArr.Length);

                using (MemoryStream readonlyStream = new MemoryStream())
                {
                    ms2.WriteTo(readonlyStream);
                    readonlyStream.Flush();
                    readonlyStream.Position = 0;
                    bytArrRet = new byte[(int)readonlyStream.Length];
                    readonlyStream.Read(bytArrRet, 0, (int)readonlyStream.Length);
                    for (int i = 0; i < bytArr.Length; i++)
                    {
                        Assert.Equal(bytArr[i], bytArrRet[i]);
                    }
                }
            }

            // [] Write to memoryStream, check the memoryStream
            using (MemoryStream ms2 = new MemoryStream())
            using (MemoryStream ms3 = new MemoryStream())
            {
                byte[] bytArrRet;
                byte[] bytArr = new byte[] { byte.MinValue, byte.MaxValue, 1, 2, 3, 4, 5, 6, 128, 250 };

                ms2.Write(bytArr, 0, bytArr.Length);
                ms2.WriteTo(ms3);
                ms3.Position = 0;
                bytArrRet = new byte[(int)ms3.Length];
                ms3.Read(bytArrRet, 0, (int)ms3.Length);
                for (int i = 0; i < bytArr.Length; i++)
                {
                    Assert.Equal(bytArr[i], bytArrRet[i]);
                }
            }
        }