public void QuadraticHashTableOverloadingContainsTest()
{
IHashTable hashTable = new QuadraticHashTable(2);
Assert.IsTrue(hashTable.Add(3));
Assert.IsTrue(hashTable.Add(3));
Assert.IsFalse(hashTable.Add(6),
"quadritic hash table should not be able to add element");
Assert.IsFalse(hashTable.Contains(6),
"quadritic hash table should not contains not added element");
}
public void QuadraticHashTableOverloadingAddingTest()
{
IHashTable hashTable = new QuadraticHashTable(2);
Assert.IsTrue(hashTable.Add(3));
Assert.IsTrue(hashTable.Add(3));
Assert.IsFalse(hashTable.Add(3),
"quadritic hash table should not be able to add element");
Assert.IsTrue(hashTable.Count() == 2,
"quadritic hash table count should be 2 after not-successfull adding");
}
public void Container_QuadraticHashTable()
{
// Arrange
QuadraticHashTable <int, string> quadraticHashTable = new QuadraticHashTable <int, string>();
// Act
for (int i = 0; i < 100; i++)
{
quadraticHashTable.Add(i, i.ToString());
}
Container <int, string> container = new Container <int, string>(quadraticHashTable);
container.RemoveByKey(20);
container.RemoveByKey(80);
// Assert
for (int i = 0; i < 100; i++)
{
if (i != 20 && i != 80)
{
Assert.AreEqual(container.GetValue(i), i.ToString());
}
else
{
Assert.AreEqual(container.GetValue(i), default);
}
}
}
public void QuadraticHashTable_GetAddRemove()
{
// Arrange
var hashTable = new QuadraticHashTable <int, string>();
// Act
for (int i = 0; i < 100; i++)
{
hashTable.Add(i, i.ToString());
}
hashTable.Remove(50);
hashTable.Remove(40);
// Assert
for (int i = 0; i < 100; i++)
{
if (i != 40 && i != 50)
{
Assert.AreEqual(i.ToString(), hashTable.Get(i));
}
else
{
Assert.AreEqual(null, hashTable.Get(i));
}
}
}
public void QuadraticHashTableOverloadingRemoveTest()
{
IHashTable hashTable = new QuadraticHashTable(2);
Assert.IsTrue(hashTable.Add(3));
Assert.IsTrue(hashTable.Add(3));
Assert.IsFalse(hashTable.Add(6),
"quadritic hash table should not be able to add element");
Assert.IsFalse(hashTable.Remove(6),
"quadritic hash table should not be able to remove not-added element");
Assert.IsTrue(hashTable.Remove(3),
"quadritic hash table should be able to remove existed element");
Assert.IsTrue(hashTable.Add(3),
"quadritic hash table should be able to add element again");
Assert.IsTrue(hashTable.Count() == 2,
"quadritic hash table has 2 elements after testing");
}