public void RemoveItem()
{
// PowerSet {21 5 0 53 102}
testPowerSet.Put(21);
testPowerSet.Put(5);
testPowerSet.Put(0);
testPowerSet.Put(53);
testPowerSet.Put(102);
Assert.AreEqual(5, testPowerSet.capacity);
// Remove wrong value (zero effect)
Assert.AreEqual(false, testPowerSet.Remove(13));
Assert.AreEqual(5, testPowerSet.capacity);
// Remove existing value
Assert.AreEqual(true, testPowerSet.Remove(21));
Assert.AreEqual(4, testPowerSet.capacity);
Assert.AreEqual(true, testPowerSet.Remove(5));
Assert.AreEqual(3, testPowerSet.capacity);
Assert.AreEqual(true, testPowerSet.Remove(0));
Assert.AreEqual(2, testPowerSet.capacity);
Assert.AreEqual(true, testPowerSet.Remove(53));
Assert.AreEqual(1, testPowerSet.capacity);
Assert.AreEqual(true, testPowerSet.Remove(102));
Assert.AreEqual(0, testPowerSet.capacity);
// Remove value from empty list (zero effect)
Assert.AreEqual(false, testPowerSet.Remove(0));
Assert.AreEqual(0, testPowerSet.capacity);
}
/// <summary>
/// вычисляет и возвращает новое множество - разницу текущего множества и множества set2
/// </summary>
/// <param name="set2">множество PowerSet<T> значений типа T</param>
/// <returns>множество PowerSet<T> разница текущего множества и множества set2</returns>
public PowerSet <T> Difference(PowerSet <T> set2)
{
PowerSet <T> difSet = new PowerSet <T>();
foreach (T item in items)
{
// добавляем все элементы первого множества
difSet.Put(item);
}
foreach (T item in set2.items)
{
// удаляем все элементы второго множества, которые присутствуют в первом
difSet.Remove(item);
}
return(difSet);
}
public PowerSet <T> Difference(PowerSet <T> set2)
{
PowerSet <T> temp = new PowerSet <T>();
foreach (T a in dict.Values)
{
temp.Put(a);
}
foreach (T a in set2.dict.Values)
{
if (dict.ContainsKey(Convert.ToString(a)))
{
temp.Remove(a);
}
}
return(temp);
// разница текущего множества и set2
}
public PowerSet <T> Difference(PowerSet <T> set2)
{
// разница текущего множества и set2
PowerSet <T> Differed = new PowerSet <T>();
if (capacity > 0)
{
foreach (T item in slots)
{
Differed.Put(item);
}
foreach (T item in set2.slots)
{
Differed.Remove(item);
}
}
return(Differed);
}
public PowerSet <T> Difference(PowerSet <T> set2)
{
PowerSet <T> result = new PowerSet <T>();
foreach (var slot in slots)
{
foreach (var item in slot)
{
result.Put(item);
}
}
foreach (var slot in set2.slots)
{
foreach (var item in slot)
{
result.Remove(item);
}
}
return(result);
}
static void TestPowerSet()
{
Console.WriteLine("test power set");
PowerSet <int> powerSet = new PowerSet <int>();
for (int i = 0; i <= 10; i++)
{
powerSet.Put(i);
}
for (int i = 0; i < powerSet._values.Length; i++)
{
Console.Write(powerSet._values[i] + " ");
}
Console.WriteLine();
Console.WriteLine("test put 11");
Console.WriteLine("power set size before = " + powerSet.Size());
powerSet.Put(11);
Console.WriteLine("power set size after = " + powerSet.Size());
for (int i = 0; i < powerSet._values.Length; i++)
{
Console.Write(powerSet._values[i] + " ");
}
Console.WriteLine();
Console.WriteLine("test put 10");
Console.WriteLine("power set size before = " + powerSet.Size());
powerSet.Put(10);
Console.WriteLine("power set size after = " + powerSet.Size());
for (int i = 0; i < powerSet._values.Length; i++)
{
Console.Write(powerSet._values[i] + " ");
}
Console.WriteLine();
Console.WriteLine("test remove 4");
Console.WriteLine("power set size before = " + powerSet.Size());
bool result = powerSet.Remove(4);
Console.WriteLine("power set size after = " + powerSet.Size());
Console.WriteLine("remove result = " + result);
for (int i = 0; i < powerSet._values.Length; i++)
{
Console.Write(powerSet._values[i] + " ");
}
Console.WriteLine();
Console.WriteLine("test remove 4");
Console.WriteLine("power set size before = " + powerSet.Size());
result = powerSet.Remove(4);
Console.WriteLine("power set size after = " + powerSet.Size());
Console.WriteLine("remove result = " + result);
for (int i = 0; i < powerSet._values.Length; i++)
{
Console.Write(powerSet._values[i] + " ");
}
Console.WriteLine();
Console.WriteLine("test remove 20");
Console.WriteLine("power set size before = " + powerSet.Size());
result = powerSet.Remove(20);
Console.WriteLine("power set size after = " + powerSet.Size());
Console.WriteLine("remove result = " + result);
for (int i = 0; i < powerSet._values.Length; i++)
{
Console.Write(powerSet._values[i] + " ");
}
Console.WriteLine("test get");
for (int i = 0; i < powerSet._values.Length; i++)
{
Console.WriteLine(i + " get result = " + powerSet.Get(i));
}
Console.WriteLine();
Console.WriteLine(new string('=', 50));
}