public void TestMethodWithInvalidStartPositionShouldReturnNull()
{
var test = new PhonebookRepository();
test.AddPhone("Pesho", new[] { "08895624", "08895625", "08895626" });
var result=test.ListEntries(2, 1);
Assert.AreEqual(null, result);
}
public void TestMethodWithValidStartPositionAndCount()
{
var test = new PhonebookRepository();
test.AddPhone("Pesho", new[] { "08895624", "08895625", "08895626" });
test.AddPhone("Gosho", new[] { "08895624", "08895625", "08895626" });
test.AddPhone("Mara", new[] { "08895624", "08895625", "08895626" });
var result = test.ListEntries(0, 3);
int returnedEntriesCount = result.Length;
Assert.AreEqual(3, returnedEntriesCount);
}