public void SustainPopulationNeeds_PopulationLessEqualZero_ResourcesDidNotChange()
{
Resources from = new Resources(1, 1, 1);
CivilProduction.SustainPopulationNeeds(0, from);
Assert.AreEqual(1, from.Hydrogen);
Assert.AreEqual(1, from.CommonMetals);
Assert.AreEqual(1, from.RareEarthElements);
}
public void SustainPopulationNeeds_NotEnoughResources_ResourcesDecreasedToZero()
{
const int resourcesAmount = 4999;
const int population = 100_000;
Resources from = new Resources(resourcesAmount, resourcesAmount, resourcesAmount);
CivilProduction.SustainPopulationNeeds(population, from);
Assert.AreEqual(0, from.Hydrogen);
Assert.AreEqual(0, from.CommonMetals);
Assert.AreEqual(0, from.RareEarthElements);
}
public void SustainPopulationNeeds_ResourceIsNull_ExceptionThrown()
{
Assert.Throws <ArgumentNullException>(() => CivilProduction.SustainPopulationNeeds(1, null));
}