public void CalculateAverageNumberWaitingTestDivisionByZero()
{
//initialize a product type.
string[] productTypes = new string[] { ProductData.CAR_STEREO_PRODUCT };
//initialize a statistic handler.
StatisticsHandler_Accessor target = new StatisticsHandler_Accessor(0, productTypes);
//intialize the expected result.
double expected = double.NaN;
//perform action.
target.CalculateAverageNumberWaiting(productTypes[0]);
double result = target.AverageNumberWaiting[productTypes[0]];
//check results.
Assert.AreEqual(expected, result);
}
public void CalculateAverageNumberWaitingTestPerformCalculation()
{
//initialize a product type.
string[] productTypes = new string[] { ProductData.CAR_STEREO_PRODUCT };
//initialize a statistic handler.
StatisticsHandler_Accessor target = new StatisticsHandler_Accessor(0, productTypes);
//intialize the expected result.
double expected = 6;
//add number waiting samples
target.TakeNumberWaitingSample(productTypes[0], 2);
target.TakeNumberWaitingSample(productTypes[0], 4);
target.TakeNumberWaitingSample(productTypes[0], 6);
target.TakeNumberWaitingSample(productTypes[0], 8);
target.TakeNumberWaitingSample(productTypes[0], 10);
//perform action.
target.CalculateAverageNumberWaiting(productTypes[0]);
double result = target.AverageNumberWaiting[productTypes[0]];
//check results.
Assert.AreEqual(expected, result);
}