Extend supported variables and improve parser errors

Sharp7.Rx.Tests/S7VariableAddressTests/MatchesType.cs

@@ -0,0 +1,40 @@
+using System.Reflection;
+using NUnit.Framework;
+using Sharp7.Rx.Extensions;
+using Sharp7.Rx.Interfaces;
+using Shouldly;
+
+namespace Sharp7.Rx.Tests.S7VariableAddressTests;
+
+[TestFixture]
+public class MatchesType
+{
+    static readonly IS7VariableNameParser parser = new S7VariableNameParser();
+
+    
+    public void Supported(Type type, string address)
+    {
+        Check(type, address, true);
+    }
+
+    public IEnumerable<TestCase> GetValid()
+    {
+        yield return new TestCase(typeof(bool), "DB0.DBx0.0");
+        yield return new TestCase(typeof(short), "DB0.INT0");
+        yield return new TestCase(typeof(int), "DB0.DINT0");
+        yield return new TestCase(typeof(long), "DB0.DUL0");
+        yield return new TestCase(typeof(ulong), "DB0.DUL0");
+    }
+
+
+    private static void Check(Type type, string address, bool expected)
+    {
+        //Arrange
+        var variableAddress = parser.Parse(address);
+
+        //Act
+        variableAddress.MatchesType(type).ShouldBe(expected);
+    }
+
+    public record TestCase(Type Type, string Address);
+}