TirePressureMonitoring/Cpp Added Cpp porting from Emily racing kata repo

TDDMicroExercises/Cpp/TirePressureMonitoring/Alarm.hpp

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+#include "sensor.hpp"
+
+using namespace std;
+
+class Alarm
+{
+public:
+    Alarm();
+    void check();
+    bool isAlarmOn();
+
+protected:
+    Sensor sensor;
+    double lowPressureTreshold;
+    double highPressureTreshold;
+    bool alarmOn;
+};
+

TDDMicroExercises/Cpp/TirePressureMonitoring/alarm.cpp

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+#include "alarm.hpp"
+#include "sensor.hpp"
+
+Alarm::Alarm()
+{
+    sensor = Sensor();
+    lowPressureTreshold = 17;
+    highPressureTreshold = 21;
+    alarmOn = false;
+}
+
+void Alarm::check()
+{
+    double psiPressureValue = sensor.popNextPressurePsiValue();
+
+    if (psiPressureValue < lowPressureTreshold || highPressureTreshold < psiPressureValue)
+    {
+        alarmOn = true;
+    }
+}
+
+bool Alarm::isAlarmOn()
+{
+    return alarmOn;
+}
+
+

TDDMicroExercises/Cpp/TirePressureMonitoring/sensor.cpp

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+#include "sensor.hpp"
+
+#include <cstdlib>
+#include <time.h>
+
+using namespace std;
+
+Sensor::Sensor()
+{
+    srand((unsigned)time(0));
+}
+
+double Sensor::popNextPressurePsiValue()
+{
+    // placeholder implementation that simulates a real sensor in a real tire
+    double pressure = 16 + (float)rand()/((float)RAND_MAX/(6));
+    return pressure;
+}

TDDMicroExercises/Cpp/TirePressureMonitoring/sensor.hpp

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+
+using namespace std;
+
+class Sensor
+{
+public:
+    Sensor();
+    double popNextPressurePsiValue();
+
+};