public void ExceptionThrownWhenTryingToIndexateWithNonExistantKeyTwo()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
hashTable.Add(62, 1);
int a = hashTable[1];
}
private static void UseChainHashTable(string[] words)
{
var htble = new ChainHashTable <string, int>(40009);
var htbleHelp = new ChainHashTable <string, int>(40009);
for (int i = 0; i < words.Length; i++)
{
var slovo = words[i];
if (htble.Contains(slovo))
{
htble[slovo]++;
htbleHelp[slovo]++;
}
else
{
htble.Add(slovo, 1);
htbleHelp.Add(slovo, 1);
}
}
foreach (var pair in htbleHelp)
{
if (pair.Value > 27)
{
htble.Remove(pair.Key);
}
}
}
public void CantAddTwoPairsWithSameKey()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
hashTable.Add(5, 5);
hashTable.Add(5, 10);
}
public void RemoveReturnsFalseWhenKeyDoesntExist()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
hashTable.Add(5, 5);
Assert.AreEqual(false, hashTable.Remove(6));
}
public void CountIncreasesAfterAdding()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
hashTable.Add(5, 5);
Assert.AreEqual(1, hashTable.Count);
}
public void ContainsReturnsCorrectValue()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
hashTable.Add(1, 1);
Assert.AreEqual(true, hashTable.Contains(1));
Assert.AreEqual(false, hashTable.Contains(2));
}
public void CountDecreasesAfterRemoving()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
hashTable.Add(5, 5);
hashTable.Remove(5);
Assert.AreEqual(0, hashTable.Count);
}
public void Add_ChainHashTable_AddedOneItem()
{
var hashTable = new ChainHashTable <int, int>();
hashTable.Add(1, 1);
var val = hashTable.ToArray();
Assert.AreEqual((1, (1, 1)), (val.Length, val[0]));
}
public void Retrieve_ChainHashTable_FoundProperValue()
{
var hashTable = new ChainHashTable <int, int>();
hashTable.Add(1, 1);
hashTable.Add(2, 15);
hashTable.Add(3, 13);
hashTable.Add(4, 10);
var result = hashTable.Retrieve(3, out int found);
Assert.AreEqual((result, found), (true, 13));
}
public void CollectionIsEnumerable()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
for (int i = 0; i < 50; i++)
{
hashTable.Add(i, 0);
}
foreach (var pair in hashTable)
{
Assert.AreEqual(0, pair.Value);
}
}
public void CountIsZeroAfterCreation()
{
ChainHashTable <int, int> hashTable = new ChainHashTable <int, int>();
Assert.AreEqual(0, hashTable.Count);
}
