public void FindAll_VerifyDuplicates(int count)
{
SegmentedList <T> list = GenericListFactory(count);
for (int i = 0; i < count / 2; i++)
{
list.Add(list[i]);
}
SegmentedList <T> beforeList = list.ToSegmentedList();
T? expectedItem = default(T);
Predicate <T> EqualsDelegate = (value) => expectedItem == null ? value == null : expectedItem.Equals(value);
//[] Verify FindAll returns the correct List with one item
for (int i = 0; i < count; ++i)
{
expectedItem = beforeList[i];
SegmentedList <T> results = list.FindAll(EqualsDelegate);
VerifyList(results, beforeList.Where((value) => EqualsDelegate(value)).ToSegmentedList());
}
//[] Verify FindAll returns an List with all of the items if the predicate always returns true
VerifyList(list.FindAll(_alwaysTrueDelegate), beforeList);
//[] Verify FindAll returns an empty List if the match returns false on every item
VerifyList(list.FindAll(_alwaysFalseDelegate), new SegmentedList <T>());
}
public void AddRange_AddSelfAsEnumerable_ThrowsExceptionWhenNotEmpty()
{
SegmentedList <T?> list = GenericListFactory(0) !;
// Succeeds when list is empty.
list.AddRange(list);
list.AddRange(list.Where(_ => true));
// Succeeds when list has elements and is added as collection.
list.Add(default);