Exemple #1
0
        public void RemoveAllExceptOne()
        {
            var tree = new AVLTreeMap <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;

            for (int i = 0; i < elementsCount - 1; i++)
            {
                if (!tree.Remove(i))
                {
                    removedEverything = false;
                }
            }

            Assert.IsTrue(tree.Count == 1 &&
                          removedEverything &&
                          tree.Root.Value == elementsCount - 1);
        }
Exemple #2
0
        public void ContatinsValueBeforeAndAfterUpdatingValue()
        {
            var tree = new AVLTreeMap <int, int>();

            int elementsCount = 1000;

            //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;
                }
            }

            // Check if values are contained, make them negative and check again. Skip zero...
            for (int i = 1; i < elementsCount; i++)
            {
                if (!tree.ContainsValue(i))
                {
                    Assert.Fail();
                }
                tree[i] = -i;
                if (tree.ContainsValue(i))
                {
                    Assert.Fail();
                }
                if (!tree.ContainsValue(-i))
                {
                    Assert.Fail();
                }
            }

            int  last              = -1;
            int  count             = 0;
            bool elementsAreSorted = true;

            foreach (var item in tree)
            {
                if (last > item.Key)
                {
                    elementsAreSorted = false;
                }
                last = item.Key;
                count++;
            }

            Trace.WriteLine(tree.Count);

            Assert.IsTrue(tree.Count == elementsCount &&
                          elementsAreSorted &&
                          count == elementsCount);
        }
Exemple #3
0
        public void SortedElementsAfterAddingAndRemoving()
        {
            var tree = new AVLTreeMap <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;
                }
            }


            int  last              = -1;
            int  count             = 0;
            bool elementsAreSorted = true;

            foreach (var item in tree)
            {
                if (last > item.Key)
                {
                    elementsAreSorted = false;
                }
                last = item.Key;
                count++;
            }

            Trace.WriteLine(tree.Count);

            Assert.IsTrue(tree.Count == count &&
                          elementsAreSorted &&
                          removedEverything);
        }
Exemple #4
0
        public void AddingElementsWithIndexer()
        {
            var tree = new AVLTreeMap <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[el] = el;
                    }
                    el += i;
                }
            }

            int  last              = -1;
            int  count             = 0;
            bool elementsAreSorted = true;

            foreach (var item in tree)
            {
                if (last > item.Key)
                {
                    elementsAreSorted = false;
                }
                last = item.Key;
                count++;
            }

            Assert.IsTrue(tree.Count == elementsCount &&
                          elementsAreSorted &&
                          count == elementsCount);
        }
Exemple #5
0
        public void UpdatingElementsWithIndexerUsingTryGetValueMethodToGetValue()
        {
            var tree = new AVLTreeMap <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);
        }