public void TestewYorkPopulation()
{
var db = SingletonDatabase.GetInstance();
var population = db.GetPopulation("New York");
Assert.AreEqual(17800000, population);
}
public void TestTokyoPopulation()
{
var db = SingletonDatabase.GetInstance();
var population = db.GetPopulation("Tokyo");
Assert.AreEqual(33200000, population);
}
public void IsSingletonTest()
{
var db = SingletonDatabase.GetInstance();
var db2 = SingletonDatabase.GetInstance();
Assert.That(db, Is.SameAs(db2));
Assert.AreEqual(1, SingletonDatabase.Count);
}
public int GetTotalPopulation(IEnumerable <string> names)
{
int result = 0;
foreach (var name in names)
{
result += SingletonDatabase.GetInstance().GetPopulation(name);
}
return(result);
}