public void ExtraterrestrialRadiationHasMaximumOnJanuaryFirst()
{
var result = SolarRadiation.GetExtraterrestrialRadiation(new DateTime(2020, 1, 1));
Assert.AreEqual(1415, result, 1);
}
public void ExtraterrestrialRadiationHasMinimumOnJulyFirst()
{
var result = SolarRadiation.GetExtraterrestrialRadiation(new DateTime(2020, 7, 1));
Assert.AreEqual(1321, result, 1);
}