public void CouldAddRemoveIncreasing()
{
var sd = new SortedDeque <int>();
for (int i = 0; i < 4; i++)
{
sd.Add(i);
}
for (int i = 4; i < 100; i++)
{
if (i % 2 == 0)
{
sd.RemoveFirst();
}
sd.Add(i);
//Assert.AreEqual(i - 3, sd.First);
Assert.AreEqual(i, sd.Last);
}
}
public void CouldAddKVsWithSimilarKey()
{
var sd = new SortedDeque <KV <int, int> >(new ZipNComparer <int>(Comparer <int> .Default));
for (int i = 0; i < 3; i++)
{
sd.Add(new KV <int, int>(1, i));
}
var expected = 1 * 3;
int[] values = new int[3];
foreach (var item in sd)
{
values[item.Value] = item.Key;
}
var actual = values.Sum();
Console.WriteLine(actual);
Assert.AreEqual(expected, actual);
}
public void RemoveTest()
{
for (int r = 0; r < 10000; r++)
{
var rng = new System.Random();
var sd = new SortedDeque <int>();
var set = new HashSet <int>();
for (int i = 0; i < 100; i++)
{
for (var next = rng.Next(1000); !set.Contains(next);)
{
set.Add(next);
sd.TryAdd(next);
}
}
while (sd.Count > 0)
{
var first = sd.RemoveFirst();
set.Remove(first);
Assert.AreEqual(set.Count, sd.Count);
Assert.AreEqual(set.Sum(), sd.Sum());
Assert.IsTrue(DequeIsSorted(sd));
var c = 0;
var prev = 0;
foreach (var e in sd)
{
if (c == 0)
{
c++;
prev = e;
}
else
{
Assert.IsTrue(e > prev);
prev = e;
}
}
}
}
}
private bool DequeIsSorted <T>(SortedDeque <T> deque)
{
bool isFirst = true;
T prev = default(T);
foreach (var e in deque)
{
if (isFirst)
{
isFirst = false;
prev = e;
}
else
{
if (deque._comparer.Compare(e, prev) < 0)
{
return(false);
}
prev = e;
}
}
return(true);
}
public void AddRemoveTestWithRemoveElement()
{
var rng = new System.Random();
for (int r = 0; r < 1000; r++)
{
var sd = new SortedDeque <int>();
var set = new HashSet <int>();
for (int i = 0; i < 50; i++)
{
for (var next = rng.Next(1000); !set.Contains(next);)
{
set.Add(next);
sd.TryAdd(next);
}
}
for (int i = 0; i < 1000; i++)
{
for (var next = rng.Next(1000); !set.Contains(next);)
{
set.Add(next);
sd.TryAdd(next);
}
Assert.AreEqual(set.Count, sd.Count);
Assert.AreEqual(set.Sum(), sd.Sum());
var first = sd.First;
sd.Remove(first);
set.Remove(first);
Assert.AreEqual(set.Count, sd.Count);
Assert.AreEqual(set.Sum(), sd.Sum());
Assert.IsTrue(DequeIsSorted(sd));
}
}
}
public void TestAddingSmallestValueWhenFirstBucketIsFull()
{
int SIZE_OF_BUCKET = 3;
SortedDeque<int> sortedDeque = new SortedDeque<int>(SIZE_OF_BUCKET);
List<int> valuesToAdd = new List<int> { 2, 1, 9 };
for (int i = 0; i < valuesToAdd.Count; ++i)
sortedDeque.Insert(valuesToAdd[i]);
valuesToAdd = valuesToAdd.OrderBy(x => x).ToList();
for (int i = 0; i < valuesToAdd.Count; ++i)
{
Assert.AreEqual(valuesToAdd.ElementAt(i), sortedDeque.ElementAt(i));
}
Assert.IsFalse(sortedDeque.Empty());
Assert.AreEqual(valuesToAdd.Count, sortedDeque.SizeTotal);
Assert.AreEqual(valuesToAdd.Count, sortedDeque.SizeUnique);
Assert.AreEqual(SIZE_OF_BUCKET, sortedDeque.Capacity);
Assert.AreEqual(1, sortedDeque.NumberOfBuckets);
/////////////////////////////////////////////////////////
const int valueSmallerThanPreviousValuesToAdd = 0;
sortedDeque.Insert(valueSmallerThanPreviousValuesToAdd);
Assert.AreEqual(valueSmallerThanPreviousValuesToAdd, sortedDeque.ElementAt(0));
Assert.IsFalse(sortedDeque.Empty());
Assert.AreEqual(valuesToAdd.Count + 1, sortedDeque.SizeTotal);
Assert.AreEqual(valuesToAdd.Count + 1, sortedDeque.SizeUnique);
Assert.AreEqual(2 * SIZE_OF_BUCKET, sortedDeque.Capacity);
Assert.AreEqual(2, sortedDeque.NumberOfBuckets);
}
public void TestAddingDuplicatedElements()
{
SortedDeque<int> sortedDeque = new SortedDeque<int>();
List<int> valuesToAdd = new List<int> { 2, 1, 9, 1, 5, 2, 9 };
for (int i = 0; i < valuesToAdd.Count; ++i)
sortedDeque.Insert(valuesToAdd[i]);
valuesToAdd = valuesToAdd.OrderBy(x => x).ToList();
List<int> uniqueValues = new List<int>(valuesToAdd).Distinct().ToList();
for (int i = 0; i < uniqueValues.Count; ++i)
{
Assert.AreEqual(uniqueValues.ElementAt(i), sortedDeque.At(i));
}
Assert.IsFalse(sortedDeque.Empty());
Assert.AreEqual(valuesToAdd.Count, sortedDeque.SizeTotal);
Assert.AreEqual(uniqueValues.Count, sortedDeque.SizeUnique);
Assert.AreEqual(1, sortedDeque.NumberOfBuckets);
}
public void CouldRemoveInTheMiddleSplit()
{
var rng = new System.Random();
var sd = new SortedDeque <int>();
var set = new HashSet <int>();
for (int i = 0; i < 100; i++)
{
if (i % 2 == 0)
{
set.Add(i);
sd.TryAdd(i);
}
else
{
set.Add(-i);
sd.TryAdd(-i);
}
}
{
var midElement = sd._buffer[0]; //[.___ ____]
sd.Remove(midElement);
set.Remove(midElement);
Assert.AreEqual(set.Count, sd.Count);
Assert.AreEqual(set.Sum(), sd.Sum());
Assert.IsTrue(DequeIsSorted(sd));
var c = 0;
var prev = 0;
foreach (var e in sd)
{
if (c == 0)
{
c++;
prev = e;
}
else
{
Assert.IsTrue(e > prev);
prev = e;
}
}
}
{
var midElement = sd._buffer[sd._buffer.Length - 1]; //[___ ____.]
sd.Remove(midElement);
set.Remove(midElement);
Assert.AreEqual(set.Count, sd.Count);
Assert.AreEqual(set.Sum(), sd.Sum());
Assert.IsTrue(DequeIsSorted(sd));
var c = 0;
var prev = 0;
foreach (var e in sd)
{
if (c == 0)
{
c++;
prev = e;
}
else
{
Assert.IsTrue(e > prev);
prev = e;
}
}
}
}
public void TestSimpleAddingIntoSingleBucket()
{
List<int> valuesToAdd = new List<int> { 2, 0, 9, 1 };
int SIZE_OF_BUCKET = 10;
SortedDeque<int> sortedDeque = new SortedDeque<int>(SIZE_OF_BUCKET);
for (int i = 0; i < valuesToAdd.Count; ++i)
sortedDeque.Insert(valuesToAdd[i]);
valuesToAdd = valuesToAdd.OrderBy(x => x).ToList();
for (int i = 0; i < valuesToAdd.Count; ++i)
{
Assert.AreEqual(valuesToAdd.ElementAt(i), sortedDeque.ElementAt(i));
}
Assert.IsFalse(sortedDeque.Empty());
Assert.AreEqual(valuesToAdd.Count, sortedDeque.SizeTotal);
Assert.AreEqual(valuesToAdd.Count, sortedDeque.SizeUnique);
Assert.AreEqual(SIZE_OF_BUCKET, sortedDeque.Capacity);
Assert.AreEqual(1, sortedDeque.NumberOfBuckets);
}
public void TestReserveWithSmallerNewCapacity()
{
int SIZE_OF_BUCKET = 3;
SortedDeque<int> sortedDeque = new SortedDeque<int>(SIZE_OF_BUCKET);
int capacityWhichIWant = SIZE_OF_BUCKET * 10;
sortedDeque.Capacity = capacityWhichIWant;
int capacityWhichIWant_new = SIZE_OF_BUCKET * 5;
sortedDeque.Capacity = capacityWhichIWant;
Assert.AreEqual(capacityWhichIWant / SIZE_OF_BUCKET, sortedDeque.NumberOfBuckets);
Assert.AreEqual(capacityWhichIWant, sortedDeque.Capacity);
Assert.IsTrue(sortedDeque.Empty());
Assert.AreEqual(0, sortedDeque.SizeTotal);
Assert.AreEqual(0, sortedDeque.SizeUnique);
}
public void TestReserve()
{
const int SIZE_OF_BUCKET = 3;
SortedDeque<int> sortedDeque = new SortedDeque<int>(SIZE_OF_BUCKET);
const int capacityWhichIWant = SIZE_OF_BUCKET * 10 + 1;
sortedDeque.Capacity = capacityWhichIWant;
int expectedNumberOfBuckets = (int)Math.Ceiling((double)(capacityWhichIWant) / (double)(SIZE_OF_BUCKET));
Assert.AreEqual(expectedNumberOfBuckets, sortedDeque.NumberOfBuckets);
int expectedCapacity = expectedNumberOfBuckets * SIZE_OF_BUCKET;
Assert.AreEqual(expectedCapacity, sortedDeque.Capacity);
Assert.IsTrue(sortedDeque.Empty());
Assert.AreEqual(0, sortedDeque.SizeTotal);
Assert.AreEqual(0, sortedDeque.SizeUnique);
}
public void TestConstructionOfEmptyContainer()
{
SortedDeque<int> sortedDeque = new SortedDeque<int>();
Assert.IsTrue(sortedDeque.Empty());
Assert.AreEqual(0, sortedDeque.SizeTotal);
Assert.AreEqual(0, sortedDeque.SizeUnique);
Assert.AreEqual(0, sortedDeque.Capacity);
}
public void TestAddingValueWhichShouldBeAddedBetweenTwoValuesInFullBucketAfterWhichIsAnotherFullBucket()
{
int SIZE_OF_BUCKET = 3;
SortedDeque<double> sortedDeque = new SortedDeque<double>(SIZE_OF_BUCKET);
List<double> valuesToAddToFirstBucket = new List<double> { 1, 2, 3 };
for (int i = 0; i < valuesToAddToFirstBucket.Count; ++i)
sortedDeque.Insert(valuesToAddToFirstBucket[i]);
List<double> valuesToAddToSecondBucket = new List<double> { 5, 6, 7 };
for (int i = 0; i < valuesToAddToSecondBucket.Count; ++i)
sortedDeque.Insert(valuesToAddToSecondBucket[i]);
double valueWhichShouldBeAddedBetweenTwoFullBuckets = 2.78;
sortedDeque.Insert(valueWhichShouldBeAddedBetweenTwoFullBuckets);
/////////////////////////////////////////////////////////
List<double> allValues = new List<double>();
allValues.AddRange(valuesToAddToFirstBucket);
allValues.AddRange(valuesToAddToSecondBucket);
allValues.Add(valueWhichShouldBeAddedBetweenTwoFullBuckets);
allValues = allValues.OrderBy(x => x).ToList();
for (int i = 0; i < allValues.Count; ++i)
{
Assert.AreEqual(allValues.ElementAt(i), sortedDeque.ElementAt(i));
}
/////////////////////////////////////////////////////////
int expectedTotalNumberOfElements = valuesToAddToFirstBucket.Count + 1 + valuesToAddToSecondBucket.Count;
Assert.AreEqual(expectedTotalNumberOfElements, sortedDeque.SizeTotal);
Assert.AreEqual(expectedTotalNumberOfElements, sortedDeque.SizeUnique);
Assert.AreEqual(3 * SIZE_OF_BUCKET, sortedDeque.Capacity);
Assert.AreEqual(3, sortedDeque.NumberOfBuckets);
}
public void TestAddingValueWhichShouldBeAddedBetweenTwoFullBuckets()
{
int SIZE_OF_BUCKET = 3;
SortedDeque<int> sortedDeque = new SortedDeque<int>(SIZE_OF_BUCKET);
List<int> valuesToAddToFirstBucket = new List<int>{ 1, 2, 3 };
for (int i = 0; i < valuesToAddToFirstBucket.Count; ++i)
sortedDeque.Insert(valuesToAddToFirstBucket[i]);
List<int> valuesToAddToSecondBucket = new List<int> { 5, 6, 7 };
for (int i = 0; i < valuesToAddToSecondBucket.Count; ++i)
sortedDeque.Insert(valuesToAddToSecondBucket[i]);
int valueWhichShouldBeAddedBetweenTwoFullBuckets = 4;
sortedDeque.Insert(valueWhichShouldBeAddedBetweenTwoFullBuckets);
/////////////////////////////////////////////////////////
int expectedTotalNumberOfElements = valuesToAddToFirstBucket.Count + 1 + valuesToAddToSecondBucket.Count;
Assert.AreEqual(expectedTotalNumberOfElements, sortedDeque.SizeTotal);
Assert.AreEqual(expectedTotalNumberOfElements, sortedDeque.SizeUnique);
Assert.AreEqual(3 * SIZE_OF_BUCKET, sortedDeque.Capacity);
Assert.AreEqual(3, sortedDeque.NumberOfBuckets);
}