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C# RedBlackTree.Contains方法代码示例

本文整理汇总了C#中RedBlackTree.Contains方法的典型用法代码示例。如果您正苦于以下问题:C# RedBlackTree.Contains方法的具体用法?C# RedBlackTree.Contains怎么用?C# RedBlackTree.Contains使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在RedBlackTree的用法示例。


在下文中一共展示了RedBlackTree.Contains方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Simple

        public void Simple()
        {
            var redBlackTree = new RedBlackTree<int, string>();

            for (var i = 0; i < 100; i++)
            {
                redBlackTree.Add(i, i.ToString());

                Assert.IsTrue(redBlackTree.ContainsKey(i));
                Assert.AreEqual(redBlackTree.Count, i + 1);
            }

            for (var i = 300; i > 200; i--)
            {
                redBlackTree.Add(i, i.ToString());

                Assert.IsTrue(redBlackTree.ContainsKey(i));
                Assert.AreEqual(redBlackTree.Count, 100 + (300 - i) + 1);
            }

            for (var i = 100; i < 200; i++)
            {
                redBlackTree.Add(i, i.ToString());

                Assert.IsTrue(redBlackTree.ContainsKey(i));
                Assert.AreEqual(redBlackTree.Count, 100 + i + 1);
            }

            for (var i = 301; i < 400; i++)
            {
                redBlackTree.Add(new KeyValuePair<int, string>(i, i.ToString()));

                Assert.IsTrue(redBlackTree.ContainsKey(i));
                Assert.AreEqual(redBlackTree[i], i.ToString());
                Assert.IsTrue(redBlackTree.Contains(new KeyValuePair<int, string>(i, i.ToString())));
            }

            Assert.IsFalse(redBlackTree.Contains(new KeyValuePair<int, string>(500, "500")));
            Assert.IsFalse(redBlackTree.Contains(new KeyValuePair<int, string>(300, "301")));
            Assert.IsTrue(redBlackTree.Contains(new KeyValuePair<int, string>(300, "300")));
        }
开发者ID:GTuritto,项目名称:ngenerics,代码行数:41,代码来源:Add.cs

示例2: ContainsExample

        public void ContainsExample()
        {
            // Create a simple tree
            var tree = new RedBlackTree<string, int>
                                                 {
                                                     new KeyValuePair<string, int>("cat", 1),
                                                     new KeyValuePair<string, int>("dog", 2),
                                                     new KeyValuePair<string, int>("canary", 3)
                                                 };

            // The tree should contain 1 cat and 2 dogs...
            Assert.IsTrue(tree.Contains(new KeyValuePair<string, int>("cat", 1)));

            Assert.IsTrue(tree.Contains(new KeyValuePair<string, int>("dog", 2)));

            // But not 3 cats and 1 dog
            Assert.IsFalse(tree.Contains(new KeyValuePair<string, int>("cat", 3)));

            Assert.IsFalse(tree.Contains(new KeyValuePair<string, int>("dog", 1)));
        }
开发者ID:GTuritto,项目名称:ngenerics,代码行数:20,代码来源:RedBlackTreeExamples.cs

示例3: run

        private static void run(int n)
        {
            var rand = Accord.Math.Tools.Random;

            RedBlackTree<int> t = new RedBlackTree<int>(allowDuplicates: true);

            // Create a vector of random numbers
            int[] k = new int[n];
            for (int i = 0; i < k.Length; i++)
                k[i] = rand.Next(k.Length);

            int[] sorted = (int[])k.Clone();
            Array.Sort(sorted);

            // Populate the tree with numbers
            for (int i = 0; i < k.Length; i++)
            {
                var node = t.Add(k[i]);

                Assert.IsNotNull(node);
                Assert.AreEqual(k[i], node.Value);

                Assert.IsTrue(t.check());
            }

            Assert.AreEqual(k.Length, t.Count);


            // Check that all elements are in the tree
            for (int i = 0; i < k.Length; ++i)
            {
                var node = t.Find(k[i]);

                Assert.IsNotNull(node);
                Assert.AreEqual(k[i], node.Value);

                Assert.IsTrue(t.Contains(k[i]));
                Assert.IsTrue(t.Contains(node));
            }

            // Enumerate the values (must be in order)
            int arrayIndex = 0;
            foreach (var node in t)
                Assert.AreEqual(sorted[arrayIndex++], node.Value);



            // Start from min and go navigating up to max
            var min = t.Min();
            Assert.IsNotNull(min);
            Assert.AreEqual(k.Min(), min.Value);

            for (int i = 0; i < k.Length; i++)
            {
                Assert.IsNotNull(min);
                min = t.GetNextNode(min);
            }
            Assert.IsNull(min); // the last should be null.

            // Start from max and go navigating down to min
            var max = t.Max();
            Assert.AreEqual(k.Max(), max.Value);
            for (int i = 0; i < k.Length; i++)
            {
                Assert.IsNotNull(max);
                max = t.GetPreviousNode(max);
            }
            Assert.IsNull(max); // the last should be null.


            // Exercise the tree
            for (int M = k.Length; M > 0; M--)
            {
                int knew = rand.Next(k.Length); // random new key 
                int j = rand.Next(M); // random original key to replace 
                int i;

                for (i = 0; i < k.Length; i++)
                    if (k[i] >= 0)
                        if (j-- == 0)
                            break;


                if (i >= k.Length)
                    Assert.Fail();

                int kd = k[i];

                var node = t.Find(kd);
                Assert.IsNotNull(node);

                node.Value = knew;

                Assert.IsNotNull(t.Resort(node));
                Assert.IsTrue(t.check());

                k[i] = -1 - knew;

                Assert.AreEqual(k.Length, t.Count);
            }
//.........这里部分代码省略.........
开发者ID:CanerPatir,项目名称:framework,代码行数:101,代码来源:RedBlackTreeTest.cs

示例4: duplicates

        private static void duplicates(int n)
        {
            var rand = Accord.Math.Tools.Random;

            RedBlackTree<int> t = new RedBlackTree<int>();

            // Create a vector of random numbers with duplicates
            int[] k = new int[n];
            for (int i = 0; i < k.Length; i++) 
                k[i] = i;

            Vector.Shuffle(k);

            int[] sorted = (int[])k.Clone();
            Array.Sort(sorted);

            // Populate the tree with numbers
            for (int i = 0; i < k.Length; i++)
            {
                var node = t.Add(k[i]);

                Assert.IsNotNull(node);
                Assert.AreEqual(k[i], node.Value);

                Assert.IsTrue(t.check());
            }

            Assert.AreEqual(k.Length, t.Count);


            // Check that all elements are in the tree
            for (int i = 0; i < k.Length; i++)
            {
                var node = t.Find(k[i]);

                Assert.IsNotNull(node);
                Assert.AreEqual(k[i], node.Value);

                Assert.IsTrue(t.Contains(k[i]));
                Assert.IsTrue(t.Contains(node));
            }

            // Enumerate the values (must be in order)
            int arrayIndex = 0;
            foreach (var node in t)
                Assert.AreEqual(sorted[arrayIndex++], node.Value);



            // Populate the tree with the same numbers
            for (int i = 0; i < k.Length; i++)
            {
                var node = t.Add(k[i]);

                Assert.IsNotNull(node);
                Assert.AreEqual(k[i], node.Value);

                Assert.IsTrue(t.check());
            }

            Assert.IsTrue(t.check());

            // Enumerate the values (must be in order)
            arrayIndex = 0;
            foreach (var node in t)
                Assert.AreEqual(sorted[arrayIndex++], node.Value);
        }
开发者ID:CanerPatir,项目名称:framework,代码行数:67,代码来源:RedBlackTreeTest.cs

示例5: DoTest

        public static void DoTest()
        {
            // Test against the worst case of insertion
            // Case: insert increasing numbers and check if it leads to a linked list
            var redBlackTree = new RedBlackTree<int>(allowDuplicates: false);

            redBlackTree.Insert(1);
            redBlackTree.Insert(2);
            redBlackTree.Insert(3);
            redBlackTree.Insert(4);
            redBlackTree.Insert(5);
            redBlackTree.Insert(6);
            redBlackTree.Insert(7);
            redBlackTree.Insert(8);
            redBlackTree.Insert(9);
            redBlackTree.Insert(10);

            Debug.Assert(redBlackTree.Height < redBlackTree.Count, "Fail! Tree doesn't rebalance against sorted elements!");

            Console.WriteLine("********************");
            Console.WriteLine(" [*] RED-BLACK TREE:\r\n");
            Console.WriteLine("********************");
            Console.WriteLine(redBlackTree.DrawTree());
            Console.WriteLine("\r\n");


            //
            // Test against re-shuffled insertions (not like above order)
            redBlackTree = new RedBlackTree<int>(allowDuplicates: false);

            redBlackTree.Insert(4);
            redBlackTree.Insert(5);
            redBlackTree.Insert(7);
            redBlackTree.Insert(2);
            redBlackTree.Insert(1);
            redBlackTree.Insert(3);
            redBlackTree.Insert(6);
            redBlackTree.Insert(0);
            redBlackTree.Insert(8);
            redBlackTree.Insert(10);
            redBlackTree.Insert(9);

            //
            // ASSERT INSERTING DUPLICATES WOULD BREAK
            var insert_duplicate_passed = true;
            try
            {
                // 2 already exists in tree
                redBlackTree.Insert(2);
                insert_duplicate_passed = true;
            }
            catch
            {
                insert_duplicate_passed = false;
            }

            Debug.Assert(insert_duplicate_passed == false, "Fail! The tree doesn't allow duplicates");


            //
            // PRINT TREE
            Console.WriteLine("********************");
            Console.WriteLine(" [*] RED-BLACK TREE:\r\n");
            Console.WriteLine("********************");
            Console.WriteLine(redBlackTree.DrawTree());
            Console.WriteLine("\r\n");


            // Assert count
            Debug.Assert(redBlackTree.Count == 11);

            // Assert existence and nonexistence of some items
            Debug.Assert(redBlackTree.Contains(1) == true);
            Debug.Assert(redBlackTree.Contains(3) == true);
            Debug.Assert(redBlackTree.Contains(999) == false);

            // ASSERT THAT EACH LEVEL HAS A DIFFERENT COLOR
            Asset_Levels_Different_Colors(redBlackTree);

            // Do some deletions
            redBlackTree.Remove(7);
            redBlackTree.Remove(1);
            redBlackTree.Remove(3);

            // Assert count
            Debug.Assert(redBlackTree.Count == 8);

            // Assert nonexistence of previously existing items
            Debug.Assert(redBlackTree.Contains(1) == false);
            Debug.Assert(redBlackTree.Contains(3) == false);

            // Remove root value
            var oldRootVal = redBlackTree.Root.Value;
            redBlackTree.Remove(redBlackTree.Root.Value);

            // Assert count
            Debug.Assert(redBlackTree.Count == 7);

            // Assert nonexistence of old root's value
            Debug.Assert(redBlackTree.Contains(oldRootVal) == false);
//.........这里部分代码省略.........
开发者ID:ChijunShen,项目名称:C-Sharp-Algorithms,代码行数:101,代码来源:RedBlackTreeTest.cs


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