public void TestAverageEmptyCovidDataCollection()
{
// ReSharper disable once CollectionNeverUpdated.Local
var covidCollection = new CovidDataCollection();
var covidStatistics = new CovidDataStatistics(covidCollection);
Assert.ThrowsException <InvalidOperationException>(() =>
covidStatistics.FindAveragePositiveTestsSinceFirstPositiveTest());
}
public void TestAverageOneItemCovidDataCollection()
{
var covidCollection = new CovidDataCollection {
this.record1
};
var covidStatistics = new CovidDataStatistics(covidCollection);
var result = covidStatistics.FindAveragePositiveTestsSinceFirstPositiveTest();
Assert.AreEqual(30, result);
}