public void LoopingList_EmptyList_YieldBreaksImmidiately()
{
var list = new LoopingList <int>(new List <int>());
var newList = list.ToList();
Assert.Equal(0, newList.Count);
}
public void LoopingList_TakeTons_NeverYieldBreaks()
{
var list = new LoopingList <int>(new List <int> {
1, 2, 3
});
//As mentioned previously take will short circuit if a yield break occurs
var newList = list.Take(100).ToList();
Assert.Equal(100, newList.Count);
Assert.Contains(1, newList);
Assert.Contains(2, newList);
Assert.Contains(3, newList);
}
public void RepeatingList_WhenOverExtendsTheUnderlyingEnumerator_ExceptionThrown()
{
var list = new LoopingList <int>(new List <int> {
1, 2, 3
});
//another way you can test this is by using the underlying IEnumerator interface
var enumerator = list.GetEnumerator();
for (int i = 0; i < 7; i++)
{
enumerator.MoveNext();
}
}
public void LoopingList_UsingUnderlyingEnumerator_NeverThrowsException()
{
var list = new LoopingList <int>(new List <int> {
1, 2, 3
});
//another way you can test this is by using the underlying IEnumerator interface
var newList = new List <int>();
var enumerator = list.GetEnumerator();
for (int i = 0; i < 100; i++)
{
newList.Add(enumerator.Current);
enumerator.MoveNext();
}
Assert.Equal(100, newList.Count);
}