static void TestSet(Hash_DoubleHashing <int, string> h)
{
if (h.Count < 1)
{
Console.WriteLine("Empty Table!");
return;
}
int modifyAmount = GetNum("How many to modify => ");
Console.WriteLine();
for (int i = 0; i < modifyAmount; i++)
{
try
{
int key = GetNum("Key to modify => ");
string newValue = GetWord("New value => ");
h[key] = newValue;
Console.WriteLine($"Changed key => {key} to new value => {newValue}");
}
catch (KeyNotFoundException e)
{
Console.WriteLine($"FAILED => {e.Message}\n");
i--;
}
}
}
static void TestDelete(Hash_DoubleHashing <int, string> h)
{
if (h.Count < 1)
{
Console.WriteLine("Empty Table!");
return;
}
int deleteAmount = GetNum("How many to delete => ");
Console.WriteLine();
for (int i = 0; i < deleteAmount; i++)
{
int key = GetNum("Key to delete => ");
if (h.Delete(key, out string deletedValue))
{
Console.WriteLine($"Key => {key} was deleted deleted value => {deletedValue}");
}
else
{
Console.WriteLine($"Key not found => {key}");
i--;
}
Console.WriteLine();
}
}
static void Print(Hash_DoubleHashing <int, string> h)
{
Console.WriteLine("============ the hash table ============");
foreach (var item in h)
{
Console.WriteLine($"Key => {item.Key} Value => {item.Value}");
}
Console.WriteLine("========================================");
}
static void Test2()
{
Hash_DoubleHashing <int, string> h = new Hash_DoubleHashing <int, string>(3) //should be size 5
{
{ 1, "1" },
{ 6, "6" }
};
h.Delete(1, out string _);
h.Add(1, "1");
}
static void Test1()
{
Hash_DoubleHashing <int, string> h = new Hash_DoubleHashing <int, string>(4); //should be size 5
h.Add(1, "1");
h.Add(6, "6"); //should step over 1
h.Delete(1, out string _);
try
{
h.Add(6, "6"); //should fail
}
catch (Exception)
{
Console.WriteLine("Test Successful!");
return;
}
Console.WriteLine("Test Failed!");
}
//Tests
#region PreMade dynamic Tests With UserInput
static void TestAdd(Hash_DoubleHashing <int, string> h)
{
int addAmount = GetNum("\nHow many to add => ");
Console.WriteLine();
for (int i = 0; i < addAmount; i++)
{
try
{
h.Add(GetNum("Key => "), GetWord("Value => "));
Console.WriteLine($"Added\n");
}
catch (ArgumentException e)
{
Console.WriteLine($"FAILED => {e.Message}\n");
i--;
}
}
}
static void TestLoop()
{
Hash_DoubleHashing <int, string> h = new Hash_DoubleHashing <int, string>(GetNum("capacity => "));
Console.WriteLine("Created a hash table\n");
//just a loop the test with
while (true)
{
Print(h);
Console.WriteLine(GetActionsDisplay());
switch (GetAction())
{
case Actions.Add:
TestAdd(h);
break;
case Actions.Delete:
TestDelete(h);
break;
case Actions.Get:
TestGet(h);
break;
case Actions.Set:
TestSet(h);
break;
case Actions.Clear:
Console.Clear();
break;
case Actions.Exit:
return;
}
}
}
static void TestGet(Hash_DoubleHashing <int, string> h)
{
if (h.Count < 1)
{
Console.WriteLine("Empty Table!");
return;
}
int searchAmount = GetNum("How many to search => ");
Console.WriteLine();
for (int i = 0; i < searchAmount; i++)
{
try
{
int key = GetNum("Key to search => ");
Console.WriteLine($"value => {h[key]}");
}
catch (KeyNotFoundException e)
{
Console.WriteLine($"FAILED => {e.Message}\n");
i--;
}
}
}
