public void TestHashIndexNumber1()
{
HashTable2 testHashTable1 = new HashTable2();
int htAnswer1 = testHashTable1.Hash("a");
Assert.Equal(97, htAnswer1);
}
public void TestHashIndexNumber2()
{
HashTable2 testHashTable2 = new HashTable2();
int htAnswer2 = testHashTable2.Hash("}}}}}}}}y");
Assert.Equal(97, htAnswer2);
}
public static string RepeatedWord(string str)
{
//put the words into an array
HashTable2 hTable = new HashTable2();
string[] strArr = new string[str.Length];
string pattern = @"\W";
strArr = Regex.Split(str, pattern);
//hashes each word from the array
foreach (var item in strArr)
{
string itemToUpper = item.ToUpper();
if (hTable.HashTableArray[hTable.Hash(itemToUpper)] == null || hTable.HashTableArray[hTable.Hash(itemToUpper)].Head.Key == "")
{
hTable.AddToHashTable(itemToUpper, itemToUpper); //i want the value to be the same as the key for this
}
else if (hTable.HashTableContains(itemToUpper) == true)
{
return(item);
}
}
//means went through all the words and didn't find a collision therefore returning and exiting before this point, so no duplicates
Console.WriteLine("There were no duplicate words in this string");
return(null);
}
