/// <summary>
/// Main method
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
HashTable hashTable = new HashTable();
bool cont = true;
while (cont)
{
Console.WriteLine("1 - добавить значение в таблицу");
Console.WriteLine("2 - удалить значение из таблицы");
Console.WriteLine("3 - проверить существование");
Console.WriteLine("Другое - выход");
Console.Write("Ваш выбор: ");
int number = Convert.ToInt32(Console.ReadLine());
switch (number)
{
case 1:
Add(hashTable);
break;
case 2:
Delete(hashTable);
break;
case 3:
Check(hashTable);
break;
default:
cont = false;
break;
}
}
}
public void DeleteValue()
{
HashTable myHashTable = new HashTable();
myHashTable.AddValue("sdbgkjsgfskfjnbsf,gmbnfsgbsfgjbnrtbkjadfvjwrblhygwtlekjbg;qkejrbfdnfbvsmngv ae;erjgejgbjtrhvbgmd fveqjrgfq;owrfgqoreihgeqjbgvkdnfvm,nqegforewgftwrf");
Assert.AreEqual(true, myHashTable.Exists("sdbgkjsgfskfjnbsf,gmbnfsgbsfgjbnrtbkjadfvjwrblhygwtlekjbg;qkejrbfdnfbvsmngv ae;erjgejgbjtrhvbgmd fveqjrgfq;owrfgqoreihgeqjbgvkdnfvm,nqegforewgftwrf"));
Assert.AreEqual(true, myHashTable.DeleteValue("sdbgkjsgfskfjnbsf,gmbnfsgbsfgjbnrtbkjadfvjwrblhygwtlekjbg;qkejrbfdnfbvsmngv ae;erjgejgbjtrhvbgmd fveqjrgfq;owrfgqoreihgeqjbgvkdnfvm,nqegforewgftwrf"));
}
private static void Add(HashTable hashTable)
{
Console.Write("Введите строку: ");
string newString = Console.ReadLine();
hashTable.Add(newString);
Console.WriteLine("Элемент добавлен!");
}
private static void Delete(HashTable hashTable)
{
Console.Write("Введите строку: ");
string newString = Console.ReadLine();
if (hashTable.Delete(newString))
Console.WriteLine("Данный элемент удален!");
else
Console.WriteLine("Данного элемента не существует!");
}
public void LastTest()
{
HashTable myHashTable = new HashTable(1, new AnotherSimpleHashFunction());
Assert.AreEqual(false, myHashTable.DeleteValue("bye"));
myHashTable.AddValue("i don't know");
myHashTable.AddValue("what");
myHashTable.AddValue("to");
myHashTable.AddValue("write");
Assert.AreEqual(true, myHashTable.DeleteValue("what"));
Assert.AreEqual(false, myHashTable.DeleteValue("what"));
Assert.AreEqual(false, myHashTable.DeleteValue("what"));
Assert.AreEqual(true, myHashTable.DeleteValue("to"));
}
public void LastTest()
{
HashTable myHashTable = new HashTable();
Assert.AreEqual(false, myHashTable.DeleteValue("bye"));
myHashTable.AddValue("i don't know");
myHashTable.AddValue("what");
myHashTable.AddValue("to");
myHashTable.AddValue("write");
Assert.AreEqual(true, myHashTable.DeleteValue("what"));
Assert.AreEqual(false, myHashTable.DeleteValue("what"));
Assert.AreEqual(false, myHashTable.DeleteValue("what"));
Assert.AreEqual(true, myHashTable.DeleteValue("to"));
}
public void InitialTest()
{
HashTable myHashTable = new HashTable(1, new AnotherSimpleHashFunction());
}
public void ExistsTest()
{
HashTable myHashTable = new HashTable(10, new AnotherSimpleHashFunction());
myHashTable.AddValue("hello");
Assert.AreEqual(true, myHashTable.Exists("hello"));
}
public void DoesntExistTest()
{
HashTable myHashTable = new HashTable(12, new AnotherSimpleHashFunction());
Assert.AreEqual(false, myHashTable.Exists("hello"));
}
public void Exists()
{
HashTable myHashTable = new HashTable();
myHashTable.AddValue("hello");
Assert.AreEqual(true, myHashTable.Exists("hello"));
}
public void DoesntExist()
{
HashTable myHashTable = new HashTable();
Assert.AreEqual(false, myHashTable.Exists("hello"));
}
private static void Add(HashTable hashTable)
{
Console.WriteLine("Enter a string");
hashTable.AddValue(Console.ReadLine());
Console.WriteLine("Element is added");
}
private static void Delete(HashTable hashTable)
{
Console.WriteLine("Enter a string");
if (hashTable.DeleteValue(Console.ReadLine()))
{
Console.WriteLine("Element is deleted");
}
else
{
Console.WriteLine("There's no such element");
}
}
private static void CheckBeloning(HashTable hashTable)
{
Console.WriteLine("Enter a string");
if (hashTable.Exists(Console.ReadLine()))
{
Console.WriteLine("This elements exists in the hash table");
}
else
{
Console.WriteLine("This elements doesn't exist in the hash table");
}
}
public static void Main(string[] args)
{
HashTable myHashTable;
int hashTableSize;
while (true)
{
Console.WriteLine("Enter a size of hash table");
if (!int.TryParse(Console.ReadLine(), out hashTableSize))
{
Console.WriteLine("Incorrect input. Enter a positive integer number");
}
else
{
if (hashTableSize > 0)
{
break;
}
else
{
Console.WriteLine("Incorrect input. Enter a positive integer number");
}
}
}
int hashFunction;
Console.WriteLine("Choose a hash function:");
Console.WriteLine("1 - simple hash function");
Console.WriteLine("2 - hash function Hash37");
Console.WriteLine("3 - second simple hash function");
while (true)
{
if (!int.TryParse(Console.ReadLine(), out hashFunction))
{
Console.WriteLine("Incorrect input. Enter a number from 1 to 3");
}
else
{
break;
}
}
switch (hashFunction)
{
case 1:
myHashTable = new HashTable(hashTableSize, new SimpleHashFunction());
break;
case 2:
myHashTable = new HashTable(hashTableSize, new HashFunction37());
break;
case 3:
myHashTable = new HashTable(hashTableSize, new SimpleHashFunction());
break;
default:
myHashTable = new HashTable(hashTableSize, new AnotherSimpleHashFunction());
break;
}
bool goOn = true;
while (goOn)
{
Console.WriteLine("Choose an action:");
Console.WriteLine("1 - check if there is a specific element");
Console.WriteLine("2 - add a new element");
Console.WriteLine("3 - delete a specific element");
Console.WriteLine("4 - exit the program");
int choice = 0;
if (int.TryParse(Console.ReadLine(), out choice))
{
switch (choice)
{
case 1:
CheckBeloning(myHashTable);
break;
case 2:
Add(myHashTable);
break;
case 3:
Delete(myHashTable);
break;
case 4:
goOn = false;
break;
default:
Console.WriteLine("Incorrect input. Please try again");
break;
}
}
}
}
public void InitialTest()
{
HashTable myHashTable = new HashTable(10, new HashFunction37());
}
