public void Test_DeleteDublicates()
{
var str = Chapter2LinkedLists.DeleteDublicate("abcd");
Assert.Equal("abcd", str);
str = Chapter2LinkedLists.DeleteDublicate("abcbdb");
Assert.Equal("abcd", str);
str = Chapter2LinkedLists.DeleteDublicate("abcbcbcbcbcbcbcdbbb");
Assert.Equal("abcd", str);
}
public void Test_GetElementFromEnd()
{
var list = new VLinkedList <char>();
list.Add("abcdefg".ToCharArray());
var ch = Chapter2LinkedLists.GetElementFromEnd(list, 0);
Assert.Equal('g', ch);
ch = Chapter2LinkedLists.GetElementFromEnd(list, 6);
Assert.Equal('a', ch);
ch = Chapter2LinkedLists.GetElementFromEnd(list, 3);
Assert.Equal('d', ch);
}
