Initialized C# code for exerciese.

TDDMicroExercises.YoursSolutions/CSharp-benwu/TDDMicroExercises.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProductVersion>8.0.50727</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{BBCF3C67-8E31-48E3-AD2E-8C605E2E07BE}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>TDDMicroExercises</RootNamespace>
+    <AssemblyName>TDDMicroExercises</AssemblyName>
+    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
+    <FileUpgradeFlags>
+    </FileUpgradeFlags>
+    <OldToolsVersion>2.0</OldToolsVersion>
+    <UpgradeBackupLocation />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="nunit.framework, Version=2.4.3.0, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>lib\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Web" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="TelemetrySystem\TelemetryClient.cs" />
+    <Compile Include="TelemetrySystem.Tests\TelemetryDiagnosticControlsTest.cs" />
+    <Compile Include="TelemetrySystem\TelemetryDiagnosticControls.cs" />
+    <Compile Include="TirePressureMonitoringSystem\Alarm.cs" />
+    <Compile Include="TirePressureMonitoringSystem\Sensor.cs" />
+    <Compile Include="TurnTicketDispenser\TicketDispenser.cs" />
+    <Compile Include="TurnTicketDispenser\TurnNumberSequence.cs" />
+    <Compile Include="TurnTicketDispenser\TurnTicket.cs" />
+    <Compile Include="UnicodeFileToHtmlTextConverter\UnicodeFileToHtmlTextConverter.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Properties\" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

TDDMicroExercises.YoursSolutions/CSharp-benwu/TDDMicroExercises.sln

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+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TDDMicroExercises", "TDDMicroExercises.csproj", "{BBCF3C67-8E31-48E3-AD2E-8C605E2E07BE}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BBCF3C67-8E31-48E3-AD2E-8C605E2E07BE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BBCF3C67-8E31-48E3-AD2E-8C605E2E07BE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BBCF3C67-8E31-48E3-AD2E-8C605E2E07BE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BBCF3C67-8E31-48E3-AD2E-8C605E2E07BE}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

TDDMicroExercises.YoursSolutions/CSharp-benwu/TelemetrySystem.Tests/TelemetryDiagnosticControlsTest.cs

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+using NUnit.Framework;
+
+namespace TDDMicroExercises.TelemetrySystem.Tests
+{
+    [TestFixture]
+    public class TelemetryDiagnosticControlsTest
+    {
+        [Test]
+        public void CheckTransmission_should_send_a_diagnostic_message_and_receive_a_status_message_response()
+        {
+        }
+
+    }
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/TelemetrySystem/TelemetryClient.cs

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+using System;
+
+namespace TDDMicroExercises.TelemetrySystem
+{
+	public class TelemetryClient
+	{
+        //
+        // The communication with the server is simulated in this implementation.
+        // Because the focus of the exercise is on the other class.
+        //
+
+		public const string DiagnosticMessage = "AT#UD";
+
+		private bool _onlineStatus;
+		private bool _diagnosticMessageJustSent = false;
+
+        private readonly Random _connectionEventsSimulator = new Random();
+        private readonly Random _randomMessageSimulator = new Random();
+
+		public bool OnlineStatus
+		{
+			get { return _onlineStatus; }
+		}
+
+		public void Connect(string telemetryServerConnectionString)
+		{
+			if (string.IsNullOrEmpty(telemetryServerConnectionString))
+			{
+				throw new ArgumentNullException();
+			}
+
+			// Fake the connection with 20% chances of success
+			bool success = _connectionEventsSimulator.Next(1, 10) <= 2;
+
+			_onlineStatus = success;
+
+		}
+
+		public void Disconnect()
+		{
+			_onlineStatus = false;
+		}
+
+		public void Send(string message)
+		{
+			if (string.IsNullOrEmpty(message))
+			{
+				throw new ArgumentNullException();
+			}
+
+            // The simulation of Send() actually just remember if the last message sent was a diagnostic message.
+            // This information will be used to simulate the Receive(). Indeed there is no real server listening.
+            if (message == DiagnosticMessage)
+			{
+			    _diagnosticMessageJustSent = true;
+			}
+			else
+			{
+			    _diagnosticMessageJustSent = false;
+			}
+		}
+
+		public string Receive()
+		{
+			string message;
+
+            if (_diagnosticMessageJustSent)
+			{
+                // Simulate the reception of the diagnostic message
+                message = "LAST TX rate................ 100 MBPS\r\n"
+                    + "HIGHEST TX rate............. 100 MBPS\r\n"
+                    + "LAST RX rate................ 100 MBPS\r\n"
+                    + "HIGHEST RX rate............. 100 MBPS\r\n"
+                    + "BIT RATE.................... 100000000\r\n"
+                    + "WORD LEN.................... 16\r\n"
+                    + "WORD/FRAME.................. 511\r\n"
+                    + "BITS/FRAME.................. 8192\r\n"
+                    + "MODULATION TYPE............. PCM/FM\r\n"
+                    + "TX Digital Los.............. 0.75\r\n"
+                    + "RX Digital Los.............. 0.10\r\n"
+                    + "BEP Test.................... -5\r\n"
+                    + "Local Rtrn Count............ 00\r\n"
+                    + "Remote Rtrn Count........... 00";
+
+                _diagnosticMessageJustSent = false;
+			} 
+			else
+			{                
+				// Simulate the reception of a response message returning a random message.
+				message = string.Empty;
+                int messageLength = _randomMessageSimulator.Next(50, 110);
+				for(int i = messageLength; i > 0; --i)
+				{
+                    message += (char)_randomMessageSimulator.Next(40, 126);
+				}
+			}
+
+			return message;
+		}
+	}
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/TelemetrySystem/TelemetryDiagnosticControls.cs

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+
+using System;
+
+namespace TDDMicroExercises.TelemetrySystem
+{
+    public class TelemetryDiagnosticControls
+    {
+        private const string DiagnosticChannelConnectionString = "*111#";
+
+        private readonly TelemetryClient _telemetryClient;
+        private string _diagnosticInfo = string.Empty;
+
+        public TelemetryDiagnosticControls()
+        {
+            _telemetryClient = new TelemetryClient();
+        }
+
+        public string DiagnosticInfo
+        {
+            get { return _diagnosticInfo; }
+            set { _diagnosticInfo = value; }
+        }
+
+        public void CheckTransmission()
+        {
+            _diagnosticInfo = string.Empty;
+
+            _telemetryClient.Disconnect();
+
+            int retryLeft = 3;
+            while (_telemetryClient.OnlineStatus == false && retryLeft > 0)
+            {
+                _telemetryClient.Connect(DiagnosticChannelConnectionString);
+                retryLeft -= 1;
+            }
+
+            if(_telemetryClient.OnlineStatus == false)
+            {
+                throw new Exception("Unable to connect.");
+            }
+
+            _telemetryClient.Send(TelemetryClient.DiagnosticMessage);
+            _diagnosticInfo = _telemetryClient.Receive();
+        }
+    }
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/TirePressureMonitoringSystem/Alarm.cs

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+namespace TDDMicroExercises.TirePressureMonitoringSystem
+{
+    public class Alarm
+    {
+        private const double LowPressureThreshold = 17;
+        private const double HighPressureThreshold = 21;
+
+        readonly Sensor _sensor = new Sensor();
+
+        bool _alarmOn = false;
+
+        public void Check()
+        {
+            double psiPressureValue = _sensor.PopNextPressurePsiValue();
+
+            if (psiPressureValue < LowPressureThreshold || HighPressureThreshold < psiPressureValue)
+            {
+                _alarmOn = true;
+            }
+        }
+
+        public bool AlarmOn
+        {
+            get { return _alarmOn; }
+        }
+
+    }
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/TirePressureMonitoringSystem/Sensor.cs

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+using System;
+
+namespace TDDMicroExercises.TirePressureMonitoringSystem
+{
+    public class Sensor
+    {
+        //
+        // The reading of the pressure value from the sensor is simulated in this implementation.
+        // Because the focus of the exercise is on the other class.
+        //
+
+        const double Offset = 16;
+        readonly Random _randomPressureSampleSimulator = new Random();
+
+        public double PopNextPressurePsiValue()
+        {
+            double pressureTelemetryValue = ReadPressureSample();
+
+            return Offset + pressureTelemetryValue;
+        }
+
+        private double ReadPressureSample()
+        {
+            // Simulate info read from a real sensor in a real tire
+            return 6 * _randomPressureSampleSimulator.NextDouble() * _randomPressureSampleSimulator.NextDouble();
+        }
+    }
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/TurnTicketDispenser/TicketDispenser.cs

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+namespace TDDMicroExercises.TurnTicketDispenser
+{
+    public class TicketDispenser
+    {
+        public TurnTicket GetTurnTicket()
+        {
+            int newTurnNumber = TurnNumberSequence.GetNextTurnNumber();
+            var newTurnTicket = new TurnTicket(newTurnNumber);
+
+            return newTurnTicket;
+        }
+    }
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/TurnTicketDispenser/TurnNumberSequence.cs

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+namespace TDDMicroExercises.TurnTicketDispenser
+{
+    public static class TurnNumberSequence
+    {
+        private static int _turnNumber = 0;
+
+        public static int GetNextTurnNumber()
+        {
+            return _turnNumber++;
+        }
+    }
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/TurnTicketDispenser/TurnTicket.cs

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+namespace TDDMicroExercises.TurnTicketDispenser
+{
+    public class TurnTicket
+    {
+        private readonly int _turnNumber;
+
+        public TurnTicket(int turnNumber)
+        {
+            _turnNumber = turnNumber;
+        }
+
+        public int TurnNumber
+        {
+            get { return _turnNumber; }
+        }
+
+    }
+}

TDDMicroExercises.YoursSolutions/CSharp-benwu/UnicodeFileToHtmlTextConverter/UnicodeFileToHtmlTextConverter.cs

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+using System.IO;
+using System.Web;
+
+namespace TDDMicroExercises.UnicodeFileToHtmlTextConverter
+{
+    public class UnicodeFileToHtmlTextConverter
+    {
+        private readonly string _fullFilenameWithPath;
+
+
+        public UnicodeFileToHtmlTextConverter(string fullFilenameWithPath)
+        {
+            _fullFilenameWithPath = fullFilenameWithPath;
+        }
+
+        public string ConvertToHtml()
+        {
+            using (TextReader unicodeFileStream = File.OpenText(_fullFilenameWithPath))
+            {
+                string html = string.Empty;
+
+                string line = unicodeFileStream.ReadLine();
+                while (line != null)
+                {
+                    html += HttpUtility.HtmlEncode(line);
+                    html += "<br />";
+                    line = unicodeFileStream.ReadLine();
+                }
+
+                return html;
+            }
+        }
+    }
+}