Added original source files Alarm.h, Alarm.cpp, Sensor.h, Sensor.cpp to start this exercise. Cleaned the solution.
Added 3 TODOs for testing the class Alarm.
Added test the_alarm_should_be_on_if_the_pressure_value_is_out_of_range and wrote the Assert intention code.
Wrote the Act and Arrange intention code for test the_alarm_should_be_on_if_the_pressure_value_is_out_of_range.
Fixed compiling error for StubSensor in the test code.
Fixed compiling error for stubSensor->setStubPressureValue() in the test.
Fixed compiling error for Alarm in the test.
Fixed compiling error for Transducer in StubSensor.h.
Fixed compiling error for Transducer in Alarm.h.
Finished TODO: class Sensor inherit Transducer.
Fixed the link error for stubSensor->setStubPressureValue().
Fixed the link error for 'new Alarm(stubSensor)' in the test.
Fixed the compiling error for 'transducer->popNextPressurePsiValue()' in Alarm.cpp.
Fixed link error for Transducer::popNextPressurePsiValue(void) in Alarm.cpp.
Added keyword 'override' in the header files of the two subclasses for the overriding methods.