public void TestHashedList()
{
HashedList h1 = new HashedList();
HashedList h2 = new HashedList();
Cursor i = h1.GetCursor(-1);
Cursor j;
// Add a few unkeyed rows.
h1.Add("Row 1");
h1.Add("Row 2");
h1.Add("Row 3");
System.Console.Out.WriteLine("***** Collection methods *****\n");
show("Three unkeyed elements", h1);
h1.RemoveUnkeyedObject("Row 2");
show("Did we remove Row 2?", h1);
h1.Clear();
show("Cleared", h1);
// Insert Rows with Keys.
h1.Add("key 1", "Row 1");
h1.Add("key 2", "Row 2");
h1.Add("key 3", "Row 3");
show("Three keyed elements", h1);
h1.Remove("key 2");
show("Did we remove Row 2 using a key?", h1);
h1.Clear();
show("Cleared", h1);
// Again insert Rows with Keys.
h1.Add("key 1", "Row 1");
h1.Add("key 2", "Row 2");
h1.Add("key 3", "Row 3");
show("Three elements again!", h1);
System.Console.Out.WriteLine("Check contains (true):" + h1.ContainsValue("Row 2"));
// Inserting Rows in h2.
h2.Add("key 4", "Row 4");
h2.Add("key 5", "Row 5");
System.Console.Out.WriteLine("Check containsAll (false):" + h1.ContainsAll(h2));
h1.AddAll(h2);
show("Should have 5 elements now", h1);
System.Console.Out.WriteLine("Check containsAll (true):" + h1.ContainsAll(h2));
System.Console.Out.WriteLine("Check contains (true):" + h1.ContainsKey("key 4"));
h1.RemoveValue("Row 4");
show("Dropped Row 4:", h1);
System.Console.Out.WriteLine("Check containsAll (false):" + h1.ContainsAll(h2));
System.Console.Out.WriteLine("Check contains (false):" + h1.ContainsKey("Row 4"));
System.Console.Out.WriteLine("Check isEmpty (false):" + h1.Empty);
h1.RemoveValue("Row 1");
h1.RemoveValue("Row 2");
h1.RemoveValue("Row 3");
h1.RemoveValue("Row 5");
show("Removed all elements", h1);
System.Console.Out.WriteLine("Check isEmpty (true):" + h1.Empty);
h1.Add("Row 1");
h1.Add("Row 2");
h1.Add("Row 3");
h1.AddAll(h2);
show("Back to 5", h1);
h1.RemoveAll(h2);
show("Testing removeAll back to 3?", h1);
h1.AddAll(h2);
h1.RetainAll(h2);
show("Testing retainAll now just 2?", h1);
System.Console.Out.WriteLine("\n\n**** Test Cursor **** \n");
j = h1.GetCursor();
while (j.MoveNext())
{
System.Console.Out.WriteLine("Cursor got: [" + ((DictionaryEntry)j.Current).Key + "] \"" +
((DictionaryEntry)j.Current).Value + "\"");
}
h1.Clear();
h1.Add("key 1", "Row 1");
h1.Add("key 2", "Row 2");
h1.Add("Row 3");
h1.Add("key 4", "Row 4");
h1.Add("Row 5");
j = h1.GetCursor();
j.MoveNext();
j.MoveNext();
j.Remove(); // Should get rid of second row
show("Removed second row with cursor", h1);
System.Console.Out.WriteLine("Cursor should still be OK:" + j.MoveNext() + " [" +
((DictionaryEntry)j.Current).Key + "] \"" +
((DictionaryEntry)j.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should still be OK:" + j.MoveNext() + " [" +
((DictionaryEntry)j.Current).Key + "] \"" +
((DictionaryEntry)j.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should be done:" + j.MoveNext());
System.Console.Out.WriteLine("\n\n**** HashedListCursor ****\n");
i = h1.GetCursor(-1);
System.Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should be done:" + i.MoveNext());
i.Key = "key 1";
i.MoveNext();
i.Add("key 2", "Row 2");
System.Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
i.MoveNext();
System.Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
i.MoveNext();
System.Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should be done:" + i.MoveNext());
i.Key = "key 4";
System.Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
i.MoveNext();
System.Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
System.Console.Out.WriteLine("Cursor should be done:" + i.MoveNext());
i.Key = "key 2";
i.MoveNext();
i.MoveNext();
i.Add("Row 3.5");
i.Add("Row 3.6");
show("Added some rows... should be 7", h1);
i = h1.GetCursor("key 2");
i.Add("Row 1.5");
i.Add("key 1.7", "Row 1.7");
i.Add("Row 1.9");
System.Console.Out.WriteLine("Cursor should point to 2:" + ((System.Collections.DictionaryEntry)i.Current).Key);
i.Key = "key 1.7";
System.Console.Out.WriteLine("Cursor should point to 1.7:" + ((System.Collections.DictionaryEntry)i.Current).Key);
}
public void TestHashedList()
{
HashedList h1 = new HashedList();
HashedList h2 = new HashedList();
Cursor i = h1.GetCursor(-1);
Cursor j;
// Add a few unkeyed rows.
h1.Add("Row 1");
h1.Add("Row 2");
h1.Add("Row 3");
System.Console.Out.WriteLine("***** Collection methods *****\n");
show("Three unkeyed elements", h1);
h1.RemoveUnkeyedObject("Row 2");
show("Did we remove Row 2?", h1);
h1.Clear();
show("Cleared", h1);
// Insert Rows with Keys.
h1.Add("key 1", "Row 1");
h1.Add("key 2", "Row 2");
h1.Add("key 3", "Row 3");
show("Three keyed elements", h1);
h1.Remove("key 2");
show("Did we remove Row 2 using a key?", h1);
h1.Clear();
show("Cleared", h1);
// Again insert Rows with Keys.
h1.Add("key 1", "Row 1");
h1.Add("key 2", "Row 2");
h1.Add("key 3", "Row 3");
show("Three elements again!", h1);
Console.Out.WriteLine("Check contains (true):" + h1.ContainsValue("Row 2"));
// Inserting Rows in h2.
h2.Add("key 4", "Row 4");
h2.Add("key 5", "Row 5");
Console.Out.WriteLine("Check containsAll (false):" + h1.ContainsAll(h2));
h1.AddAll(h2);
show("Should have 5 elements now", h1);
Console.Out.WriteLine("Check containsAll (true):" + h1.ContainsAll(h2));
Console.Out.WriteLine("Check contains (true):" + h1.ContainsKey("key 4"));
h1.RemoveValue("Row 4");
show("Dropped Row 4:", h1);
Console.Out.WriteLine("Check containsAll (false):" + h1.ContainsAll(h2));
Console.Out.WriteLine("Check contains (false):" + h1.ContainsKey("Row 4"));
Console.Out.WriteLine("Check isEmpty (false):" + h1.Empty);
h1.RemoveValue("Row 1");
h1.RemoveValue("Row 2");
h1.RemoveValue("Row 3");
h1.RemoveValue("Row 5");
show("Removed all elements", h1);
Console.Out.WriteLine("Check isEmpty (true):" + h1.Empty);
h1.Add("Row 1");
h1.Add("Row 2");
h1.Add("Row 3");
h1.AddAll(h2);
show("Back to 5", h1);
h1.RemoveAll(h2);
show("Testing removeAll back to 3?", h1);
h1.AddAll(h2);
h1.RetainAll(h2);
show("Testing retainAll now just 2?", h1);
Console.Out.WriteLine("\n\n**** Test Cursor **** \n");
j = h1.GetCursor();
while (j.MoveNext())
{
Console.Out.WriteLine("Cursor got: [" + ((DictionaryEntry)j.Current).Key + "] \"" +
((DictionaryEntry)j.Current).Value + "\"");
}
h1.Clear();
h1.Add("key 1", "Row 1");
h1.Add("key 2", "Row 2");
h1.Add("Row 3");
h1.Add("key 4", "Row 4");
h1.Add("Row 5");
j = h1.GetCursor();
j.MoveNext();
j.MoveNext();
j.Remove(); // Should get rid of second row
show("Removed second row with cursor", h1);
Console.Out.WriteLine("Cursor should still be OK:" + j.MoveNext() + " [" +
((DictionaryEntry)j.Current).Key + "] \"" +
((DictionaryEntry)j.Current).Value + "\"");
Console.Out.WriteLine("Cursor should still be OK:" + j.MoveNext() + " [" +
((DictionaryEntry)j.Current).Key + "] \"" +
((DictionaryEntry)j.Current).Value + "\"");
Console.Out.WriteLine("Cursor should be done:" + j.MoveNext());
Console.Out.WriteLine("\n\n**** HashedListCursor ****\n");
i = h1.GetCursor(-1);
Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
Console.Out.WriteLine("Cursor should still be OK:" + i.MoveNext() + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
Console.Out.WriteLine("Cursor should be done:" + i.MoveNext());
i.Key = "key 1";
i.MoveNext();
i.Add("key 2", "Row 2");
Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
i.MoveNext();
Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
i.MoveNext();
Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
Console.Out.WriteLine("Cursor should be done:" + i.MoveNext());
i.Key = "key 4";
Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
i.MoveNext();
Console.Out.WriteLine("Cursor should still be OK:" + " [" +
((DictionaryEntry)i.Current).Key + "] \"" +
((DictionaryEntry)i.Current).Value + "\"");
Console.Out.WriteLine("Cursor should be done:" + i.MoveNext());
i.Key = "key 2";
i.MoveNext();
i.MoveNext();
i.Add("Row 3.5");
i.Add("Row 3.6");
show("Added some rows... should be 7", h1);
i = h1.GetCursor("key 2");
i.Add("Row 1.5");
i.Add("key 1.7", "Row 1.7");
i.Add("Row 1.9");
Console.Out.WriteLine("Cursor should point to 2:" +
((DictionaryEntry)i.Current).Key);
i.Key = "key 1.7";
Console.Out.WriteLine("Cursor should point to 1.7:" +
((DictionaryEntry)i.Current).Key);
}
