public void HexToNumbersConvertTest(int seed)
{
var random = new Random(seed);
var uint8 = unchecked ((byte)(random.Next() % byte.MaxValue));
var uint16 = unchecked ((ushort)(random.Next() % ushort.MaxValue));
var uint32 = unchecked ((uint)random.Next());
var uint64 = unchecked ((ulong)random.NextDouble() * long.MaxValue);
var uint8Hex = BitConverter.ToString(new byte[] { uint8 }).Replace("-", "").ToLowerInvariant();
var uint16Hex = BitConverter.ToString(BitConverter.GetBytes(uint16)).Replace("-", "").ToLowerInvariant();
var uint32Hex = BitConverter.ToString(BitConverter.GetBytes(uint32)).Replace("-", "").ToLowerInvariant();
var uint64Hex = BitConverter.ToString(BitConverter.GetBytes(uint64)).Replace("-", "").ToLowerInvariant();
var hexBuffer = new char[256];
// hex -> uint8
Array.Copy(uint8Hex.ToCharArray(), hexBuffer, uint8Hex.Length);
var actualUInt8 = HexConvert.ToUInt8(hexBuffer, 0);
Assert.Equal(uint8, actualUInt8);
actualUInt8 = HexConvert.ToUInt8(uint8Hex, 0);
Assert.Equal(uint8, actualUInt8);
Array.Clear(hexBuffer, 0, hexBuffer.Length);
// hex -> uint16
Array.Copy(uint16Hex.ToCharArray(), hexBuffer, uint16Hex.Length);
var actualUInt16 = HexConvert.ToUInt16(hexBuffer, 0);
Assert.Equal(uint16, actualUInt16);
actualUInt16 = HexConvert.ToUInt16(uint16Hex, 0);
Assert.Equal(uint16, actualUInt16);
Array.Clear(hexBuffer, 0, hexBuffer.Length);
// hex -> uint32
Array.Copy(uint32Hex.ToCharArray(), hexBuffer, uint32Hex.Length);
var actualUInt32 = HexConvert.ToUInt32(hexBuffer, 0);
Assert.Equal(uint32, actualUInt32);
actualUInt32 = HexConvert.ToUInt32(uint32Hex, 0);
Assert.Equal(uint32, actualUInt32);
Array.Clear(hexBuffer, 0, hexBuffer.Length);
// hex -> uint64
Array.Copy(uint64Hex.ToCharArray(), hexBuffer, uint64Hex.Length);
var actualUInt64 = HexConvert.ToUInt64(hexBuffer, 0);
Assert.Equal(uint64, actualUInt64);
actualUInt64 = HexConvert.ToUInt64(uint64Hex, 0);
Assert.Equal(uint64, actualUInt64);
Array.Clear(hexBuffer, 0, hexBuffer.Length);
}