[Test] public void TestBinarySearch()
{
IList <int> list = new int[] { };
Assert.AreEqual(~0, ListExt.BinarySearch(list, 15));
Assert.AreEqual(~0, ListExt.BinarySearch(list, -15));
list = new int[] { 5 };
Assert.AreEqual(0, ListExt.BinarySearch(list, 5));
Assert.AreEqual(~0, ListExt.BinarySearch(list, 0));
Assert.AreEqual(~1, ListExt.BinarySearch(list, 10));
list = new int[] { 5, 7 };
Assert.AreEqual(~0, ListExt.BinarySearch(list, 0));
Assert.AreEqual(0, ListExt.BinarySearch(list, 5));
Assert.AreEqual(~1, ListExt.BinarySearch(list, 6));
Assert.AreEqual(1, ListExt.BinarySearch(list, 7));
Assert.AreEqual(~2, ListExt.BinarySearch(list, 10));
list = new int[] { 1, 5, 7, 13, 17, 29, 29, 31 };
Assert.AreEqual(~0, ListExt.BinarySearch(list, -1));
Assert.AreEqual(0, ListExt.BinarySearch(list, 1));
Assert.AreEqual(~1, ListExt.BinarySearch(list, 2));
Assert.AreEqual(1, ListExt.BinarySearch(list, 5));
Assert.AreEqual(~2, ListExt.BinarySearch(list, 6));
Assert.AreEqual(2, ListExt.BinarySearch(list, 7));
Assert.AreEqual(~3, ListExt.BinarySearch(list, 10));
Assert.AreEqual(3, ListExt.BinarySearch(list, 13));
Assert.AreEqual(~4, ListExt.BinarySearch(list, 16));
Assert.AreEqual(4, ListExt.BinarySearch(list, 17));
Assert.AreEqual(~5, ListExt.BinarySearch(list, 28));
int i = ListExt.BinarySearch(list, 29);
Assert.IsTrue(i == 5 || i == 6);
Assert.AreEqual(~7, ListExt.BinarySearch(list, 30));
Assert.AreEqual(7, ListExt.BinarySearch(list, 31));
Assert.AreEqual(~8, ListExt.BinarySearch(list, 1000));
}
public void Resize(int newSize)
{
if (newSize < Count)
{
RemoveRange(newSize, Count - newSize);
}
else if (newSize > Count)
{
InsertRange(Count, (IReadOnlyCollection <T>)ListExt.Repeat(default(T), newSize - Count));
}
}
public static void Resize <T>(this IListRangeMethods <T> list, int newSize)
{
int count = list.Count;
if (newSize < count)
{
list.RemoveRange(newSize, count - newSize);
}
else if (newSize > count)
{
list.InsertRange(count, (IListSource <T>)ListExt.Repeat(default(T), newSize - count));
}
}
public void InsertRange(int index, IEnumerable <T> list)
{
int spaceNeeded = list.Count();
int index2 = _list.Count - index;
ListExt.InsertRangeHelper(_list, index2, spaceNeeded);
index2 += spaceNeeded;
var e = list.GetEnumerator();
while (e.MoveNext())
{
_list[--index2] = e.Current;
}
}
public void InsertRange(int index, IReadOnlyCollection <T> list)
{
int spaceNeeded = list.Count;
int index2 = _list.Count - index;
ListExt.InsertRangeHelper(_list, index2, spaceNeeded);
index2 += spaceNeeded - 1;
var e = list.GetEnumerator();
for (int i = 0; i < spaceNeeded; i++)
{
G.Verify(e.MoveNext());
_list[index2 - i] = e.Current;
}
}
[Test] public void TestPredicatedBinarySearch()
{
Comparison <int> p = G.ToComparison <int>();
IList <int> list = new int[] { };
Assert.AreEqual(~0, ListExt.BinarySearch(list, 15, p));
Assert.AreEqual(~0, ListExt.BinarySearch(list, -15, p));
list = new int[] { 5 };
Assert.AreEqual(0, ListExt.BinarySearch(list, 5, p));
Assert.AreEqual(~0, ListExt.BinarySearch(list, 0, p));
Assert.AreEqual(~1, ListExt.BinarySearch(list, 10, p));
list = new int[] { 5, 7 };
Assert.AreEqual(~0, ListExt.BinarySearch(list, 0, p));
Assert.AreEqual(0, ListExt.BinarySearch(list, 5, p));
Assert.AreEqual(~1, ListExt.BinarySearch(list, 6, p));
Assert.AreEqual(1, ListExt.BinarySearch(list, 7, p));
Assert.AreEqual(~2, ListExt.BinarySearch(list, 10, p));
list = new int[] { 1, 5, 7, 13, 17, 29, 29, 31 };
Assert.AreEqual(~0, ListExt.BinarySearch(list, -1, p));
Assert.AreEqual(0, ListExt.BinarySearch(list, 1, p));
Assert.AreEqual(~1, ListExt.BinarySearch(list, 2, p));
Assert.AreEqual(1, ListExt.BinarySearch(list, 5, p));
Assert.AreEqual(~2, ListExt.BinarySearch(list, 6, p));
Assert.AreEqual(2, ListExt.BinarySearch(list, 7, p));
Assert.AreEqual(~3, ListExt.BinarySearch(list, 10, p));
Assert.AreEqual(3, ListExt.BinarySearch(list, 13, p));
Assert.AreEqual(~4, ListExt.BinarySearch(list, 16, p));
Assert.AreEqual(4, ListExt.BinarySearch(list, 17, p));
Assert.AreEqual(~5, ListExt.BinarySearch(list, 28, p));
int i = ListExt.BinarySearch(list, 29, p);
Assert.IsTrue(i == 5 || i == 6);
Assert.AreEqual(~7, ListExt.BinarySearch(list, 30, p));
Assert.AreEqual(7, ListExt.BinarySearch(list, 31, p));
Assert.AreEqual(~8, ListExt.BinarySearch(list, 1000, p));
// This tests another code path in G.ToComparison<T>()
var p2 = G.ToComparisonFunc <string>();
IList <string> strs = new string[] { "1", "3", "5", "7", "9" };
Assert.AreEqual(1, ListExt.BinarySearch2(strs, "3", p2));
Assert.AreEqual(~4, ListExt.BinarySearch2(strs, "7b", p2));
}
public void CopyTo(V[] array, int arrayIndex)
{
ListExt.CopyTo(this, array, arrayIndex);
}
public int RemoveAll(Predicate <T> match)
{
return(ListExt.RemoveAll(this, match));
}
public void AddRange(IEnumerable <T> list)
{
ListExt.AddRange(this, list);
}
public void AddRange(IReadOnlyCollection <T> list)
{
ListExt.AddRange(this, list);
}
public int RemoveAll(Predicate <T> condition)
{
return(ListExt.RemoveAll(this, condition));
}
private void SetHelper(uint index, T value)
{
if (_listChanging != null)
{
CallListChanging(new ListChangeInfo <T>(NotifyCollectionChangedAction.Replace, (int)index, 0, ListExt.Single(value)));
}
++_version;
if (_root.IsFrozen)
{
AutoCreateOrCloneRoot();
}
_root.SetAt(index, value, _observer);
CheckPoint();
}
public sealed override void Insert(int index, T item)
{
if ((uint)index > (uint)_count)
{
throw new IndexOutOfRangeException();
}
DetectSizeOverflow(1);
AutoThrow();
if (_listChanging != null)
{
CallListChanging(new ListChangeInfo <T>(NotifyCollectionChangedAction.Add, index, 1, ListExt.Single(item)));
}
try {
_freezeMode = FrozenForConcurrency;
if (_root == null || _root.IsFrozen)
{
AutoCreateOrCloneRoot();
}
AListNode <int, T> splitLeft, splitRight;
splitLeft = _root.Insert((uint)index, item, out splitRight, _observer);
if (splitLeft != null) // redundant 'if' optimization
{
AutoSplit(splitLeft, splitRight);
}
++_version;
Debug.Assert(_count != int.MaxValue);
++_count;
CheckPoint();
} finally {
_freezeMode = NotFrozen;
}
}
public void CopyTo(T[] array, int arrayIndex)
{
ListExt.CopyTo(_obj, array, arrayIndex);
}