using System;

using System.Collections.Generic;

​

public class StringAnalyzer

{

    // Method to count character occurrences in a string

    /* 

        Example: 

        Input: Hello World

        Output: { 'H', 1 },

                { 'e', 1 },

                { 'l', 3 },

                { 'o', 2 },

                { ' ', 1 },

                { 'W', 1 },

                { 'r', 1 },

                { 'd', 1 }

    */

    public static Dictionary<char, int> CountCharacterOccurrences(string input)

    {

        // Implement this method

    }

​

    // Test case method for valid input

    public void Test_CountCharacterOccurrences_WithValidInput()

    {

        // Implement this method

    }

​

    // Test case method for input less than 10 characters

    public void Test_CountCharacterOccurrences_WithShortInput()

    {

    }

​

    // Test case method for null input

    public void Test_CountCharacterOccurrences_WithNullInput()

    {

    }

​

    // Method to run all test cases

    public void RunTests()

    {

        Test_CountCharacterOccurrences_WithValidInput();

        Test_CountCharacterOccurrences_WithShortInput();

        Test_CountCharacterOccurrences_WithNullInput();

    }

}

​

public class Program

{

    public static void Main()

    {

        StringAnalyzer analyzer = new StringAnalyzer();

        analyzer.RunTests(); // Run all test cases

    }

}