public void IdLenghtIsNegativeNumber()
{
long id = -1;
var database = new ExtendedDatabasee();
Assert.Throws <ArgumentOutOfRangeException>(() => database.FindById(id));
}
public void ThereIsNoUserByTheGivenId()
{
var array = new Person[1]
{
new Person(1, "Ivan1")
};
var database = new ExtendedDatabasee(array);
var randomId = 200000;
Assert.Throws <InvalidOperationException>(() => database.FindById(randomId));
}
public void ValidOperationForFindingById()
{
var array = new Person[1]
{
new Person(1, "Ivan1")
};
var database = new ExtendedDatabasee(array);
var ivansId = 1;
var foundPerson = database.FindById(ivansId);
Assert.AreEqual(foundPerson, array[0]);
}