public void CalculateAverageRainfall_EmptyList()
{
int[] rainfalls = new int[] { };
RainfallAnalyzer analyzer = new RainfallAnalyzer();
double result = analyzer.CalculateAverageRainfall(rainfalls);
Assert.AreEqual(0.0, result);
}
public void CalculateAverageRainfall_MultipleValidMeasurements_IncludingZero()
{
int[] rainfalls = new int[] { 5, 5, 0, 2 };
RainfallAnalyzer analyzer = new RainfallAnalyzer();
double result = analyzer.CalculateAverageRainfall(rainfalls);
Assert.AreEqual(3.0, result); // 12 / 4
}
public void CalculateAverageRainfall_MultipleValidMeasurements()
{
int[] rainfalls = new int[] { 5, 5, 2 };
RainfallAnalyzer analyzer = new RainfallAnalyzer();
double result = analyzer.CalculateAverageRainfall(rainfalls);
Assert.AreEqual(4.0, result);
}
public void CalculateAverageRainfall_MultipleMeasurements_IncludingRogue()
{
int[] rainfalls = new int[] { 5, -1, 7, -99 };
RainfallAnalyzer analyzer = new RainfallAnalyzer();
double result = analyzer.CalculateAverageRainfall(rainfalls);
Assert.AreEqual(6.0, result);
}
public void CalculateAverageRainfall_SingleMeasurement()
{
int[] rainfalls = new int[] { 5 };
RainfallAnalyzer analyzer = new RainfallAnalyzer();
double result = analyzer.CalculateAverageRainfall(rainfalls);
Assert.AreEqual(5.0, result);
}
