using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace VeederRoot_Test
{
    [TestClass]
    public class Parser
    {
        public static bool ValueEquals(IEnumerable<byte> array1, IEnumerable<byte> array2)
        {
            if (array1 == null && array2 == null)
            {
                return true;
            }

            if ((array1 == null) || (array2 == null))
            {
                return false;
            }

            if (array1.Count() != array2.Count())
            {
                return false;
            }
            if (array1.Equals(array2))
            {
                return true;
            }
            else
            {
                for (int Index = 0; Index < array1.Count(); Index++)
                {
                    if (!Equals(array1.ElementAt(Index), array2.ElementAt(Index)))
                    {
                        return false;
                    }
                }
            }
            return true;
        }

        [TestMethod]
        public void CaculateCheckSum_TestMethod1()
        {
            VeederRoot_ATG_Console.Parser parser = new VeederRoot_ATG_Console.Parser();
            //Example Report 1: <SOH>B000000012FE0A<EOT>
            var expect = 0x0F * Math.Pow(16, 3) + 0x0E * Math.Pow(16, 2) + 0x00 * 16 + 0x0A;
            var raw = new byte[] { 0x01 }.Concat(Encoding.ASCII.GetBytes("B000000012"));
            var actual = parser.CaculateCheckSum(raw.ToArray());
            Assert.AreEqual(true, actual == expect);
        }

        [TestMethod]
        public void CaculateCheckSum_TestMethod2()
        {
            VeederRoot_ATG_Console.Parser parser = new VeederRoot_ATG_Console.Parser();
            //Example Report 2: <SOH>B100000501FE06<EOT>
            var expect = 0x0F * Math.Pow(16, 3) + 0x0E * Math.Pow(16, 2) + 0x00 * 16 + 0x06;
            var raw = new byte[] { 0x01 }.Concat(Encoding.ASCII.GetBytes("B100000501"));
            var actual = parser.CaculateCheckSum(raw.ToArray());
            Assert.AreEqual(true, actual == expect);
        }
    }
}