public void AddRemoveTest()
{
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.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;
}
}
}
}
}
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 CouldRemoveInTheMiddle()
{
for (int r = 0; r < 1000; 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 midElement = sd._buffer[((sd._firstOffset + sd._count / 2) % sd._buffer.Length)];
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 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;
}
}
}
}