public void UpdatingElementsWithIndexerUsingTryGetValueMethodToGetValue()
{
var tree = new RedBlackTreeMap <int, int>();
int elementsCount = 100000;
//Adding every seventh number, then every fifth number,
//every third and at last all numbers
for (int i = 7; i > 0; i -= 2)
{
int el = 0;
while (el < elementsCount)
{
if (!tree.ContainsKey(el))
{
tree.Add(el, el);
}
el += i;
}
}
bool removedEverything = true;
//Removing every second number
for (int i = 0; i < elementsCount; i += 2)
{
if (!tree.Remove(i))
{
removedEverything = false;
}
}
// Make all values negative
for (int i = 0; i < elementsCount; i++)
{
int value;
if (tree.TryGetValue(i, out value))
{
tree[value] = -value;
}
}
int last = -1;
int count = 0;
bool elementsAreSorted = true;
foreach (var item in tree)
{
if (item.Value > 0)
{
Assert.Fail();
}
if (last > item.Key)
{
elementsAreSorted = false;
}
last = item.Key;
count++;
}
Trace.WriteLine(tree.Count);
Assert.IsTrue(tree.Count == count &&
elementsAreSorted &&
removedEverything);
}