Fixes for SerialRtuProxy

- Adding UnitTests
- Fixing some bugs
- Updating UnitTest dependencies

AMWD.Protocols.Modbus.Tests/AMWD.Protocols.Modbus.Tests.csproj

@@ -6,24 +6,21 @@
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
     <CollectCoverage>true</CollectCoverage>
+    <CoverletOutputFormat>Cobertura</CoverletOutputFormat>
 
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <GenerateDocumentationFile>false</GenerateDocumentationFile>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.2">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="coverlet.msbuild" Version="6.0.2">
+    <PackageReference Include="coverlet.msbuild" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.7.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.7.2" />
   </ItemGroup>
 
   <ItemGroup>

AMWD.Protocols.Modbus.Tests/Helper.cs

@@ -0,0 +1,23 @@
+using System.Reflection;
+
+namespace AMWD.Protocols.Modbus.Tests
+{
+	internal static class Helper
+	{
+		public static T CreateInstance<T>(params object[] args)
+		{
+			var type = typeof(T);
+
+			object instance = type.Assembly.CreateInstance(
+				typeName: type.FullName,
+				ignoreCase: false,
+				bindingAttr: BindingFlags.Instance | BindingFlags.NonPublic,
+				binder: null,
+				args: args,
+				culture: null,
+				activationAttributes: null);
+
+			return (T)instance;
+		}
+	}
+}

AMWD.Protocols.Modbus.Tests/Serial/Snapshots/ModbusRtuProxyTest/ShouldReadDeviceIdentification.snap.bin

@@ -0,0 +1,9 @@
+DeviceIdentification
+  VendorName:                VendorName
+  ProductCode:               ProductCode
+  MajorMinorRevision:        MajorMinorRevision
+  VendorUrl:                 
+  ProductName:               
+  ModelName:                 
+  UserApplicationName:       
+  IsIndividualAccessAllowed: False