System.IO.Tests.StreamMethods.StreamTest C# (CSharp) Method

        public static async Task StreamTest(Stream stream, Boolean fSuppress)
        {

            string strValue;
            int iValue;

            //[] We will first use the stream's 2 writing methods
            int iLength = 1 << 10;
            stream.Seek(0, SeekOrigin.Begin);

            for (int i = 0; i < iLength; i++)
                stream.WriteByte((byte)i);

            byte[] btArr = new byte[iLength];
            for (int i = 0; i < iLength; i++)
                btArr[i] = (byte)i;
            stream.Write(btArr, 0, iLength);

            //we will write many things here using a binary writer
            BinaryWriter bw1 = new BinaryWriter(stream);
            bw1.Write(false);
            bw1.Write(true);

            for (int i = 0; i < 10; i++)
            {
                bw1.Write((byte)i);
                bw1.Write((sbyte)i);
                bw1.Write((short)i);
                bw1.Write((char)i);
                bw1.Write((UInt16)i);
                bw1.Write(i);
                bw1.Write((uint)i);
                bw1.Write((Int64)i);
                bw1.Write((ulong)i);
                bw1.Write((float)i);
                bw1.Write((double)i);
            }

            //Some strings, chars and Bytes
            char[] chArr = new char[iLength];
            for (int i = 0; i < iLength; i++)
                chArr[i] = (char)i;

            bw1.Write(chArr);
            bw1.Write(chArr, 512, 512);

            bw1.Write(new string(chArr));
            bw1.Write(new string(chArr));

            //[] we will now read
            stream.Seek(0, SeekOrigin.Begin);
            for (int i = 0; i < iLength; i++)
            {
                Assert.Equal(i % 256, stream.ReadByte());
            }


            btArr = new byte[iLength];
            stream.Read(btArr, 0, iLength);
            for (int i = 0; i < iLength; i++)
            {
                Assert.Equal((byte)i, btArr[i]);
            }

            //Now, for the binary reader
            BinaryReader br1 = new BinaryReader(stream);

            Assert.False(br1.ReadBoolean());
            Assert.True(br1.ReadBoolean());

            for (int i = 0; i < 10; i++)
            {
                Assert.Equal( (byte)i, br1.ReadByte());
                Assert.Equal((sbyte)i, br1.ReadSByte());
                Assert.Equal((short)i, br1.ReadInt16());
                Assert.Equal((char)i, br1.ReadChar());
                Assert.Equal((UInt16)i, br1.ReadUInt16());
                Assert.Equal(i, br1.ReadInt32());
                Assert.Equal((uint)i, br1.ReadUInt32());
                Assert.Equal((Int64)i, br1.ReadInt64());
                Assert.Equal((ulong)i, br1.ReadUInt64());
                Assert.Equal((float)i, br1.ReadSingle());
                Assert.Equal((double)i, br1.ReadDouble());
            }

            chArr = br1.ReadChars(iLength);
            for (int i = 0; i < iLength; i++)
            {
                Assert.Equal((char)i, chArr[i]);
            }

            chArr = new char[512];
            chArr = br1.ReadChars(iLength / 2);
            for (int i = 0; i < iLength / 2; i++)
            {
                Assert.Equal((char)(iLength / 2 + i), chArr[i]);
            }

            chArr = new char[iLength];
            for (int i = 0; i < iLength; i++)
                chArr[i] = (char)i;
            strValue = br1.ReadString();
            Assert.Equal(new string(chArr), strValue);

            strValue = br1.ReadString();
            Assert.Equal(new string(chArr), strValue);

            stream.Seek(1, SeekOrigin.Current); // In the original test, success here would end the test

            //[] we will do some async tests here now
            stream.Position = 0;

            btArr = new byte[iLength];
            for (int i = 0; i < iLength; i++)
                btArr[i] = (byte)(i + 5);

            await stream.WriteAsync(btArr, 0, btArr.Length);

            stream.Position = 0;
            for (int i = 0; i < iLength; i++)
            {
                Assert.Equal((byte)(i + 5), stream.ReadByte());
            }

            //we will read asynchronously
            stream.Position = 0;

            byte[] compArr = new byte[iLength];

            iValue = await stream.ReadAsync(compArr, 0, compArr.Length);

            Assert.Equal(btArr.Length, iValue);

            for (int i = 0; i < iLength; i++)
            {
                Assert.Equal(compArr[i], btArr[i]);
            }
        }