public void Should_Delete_Element_From_Single_Element_List_With_Index()
{
LinkedListHelpers <char> .Clear();
LinkedListHelpers <char> .Append('A');
LinkedListHelpers <char> .RemoveAt(0);
Assert.Equal(0, LinkedListHelpers <char> .Count);
Assert.Equal(new char[] { }, LinkedListHelpers <char> .ToArray());//empty
}
public void Should_Append_To_NonEmpty_List()
{
LinkedListHelpers <char> .Clear();
LinkedListHelpers <char> .Append('A');
LinkedListHelpers <char> .Append('B');
Assert.Equal(2, LinkedListHelpers <char> .Count);
Assert.NotEqual(new char[] { 'A', 'B' }, LinkedListHelpers <char> .ToArray());
Assert.Equal(new char[] { 'B', 'A' }, LinkedListHelpers <char> .ToArray());
}
public void Should_Append_To_Empty_List()
{
LinkedListHelpers <char> .Clear();
LinkedListHelpers <char> .Append('A');
Assert.Equal('A', LinkedListHelpers <char> ._getElementAt(0));
Assert.Equal(1, LinkedListHelpers <char> .Count);
LinkedListHelpers <char> .RemoveAt(0);
Assert.Equal(0, LinkedListHelpers <char> .Count);
}
public void Should_Not_Throw_When_Deleting_From_Empty_List_After_Appending_Some_Data()
{
LinkedListHelpers <char> .Clear();
LinkedListHelpers <char> .Append('A');
LinkedListHelpers <char> .Remove('A');
LinkedListHelpers <char> .Remove('A');
Assert.Equal(0, LinkedListHelpers <char> .Count);
Assert.Equal(new char[] { }, LinkedListHelpers <char> .ToArray());
}
public void Should_Delete_Element_At_The_End_Typeof_Int()
{
LinkedListHelpers <char> .Clear();
LinkedListHelpers <char> .Append('A'); //head.next.next
LinkedListHelpers <char> .Append('B'); //head.next
LinkedListHelpers <char> .Append('C'); //head
LinkedListHelpers <char> .RemoveAt(2);
Assert.Equal(2, LinkedListHelpers <char> .Count);
Assert.Equal(new char[] { 'C', 'B' }, LinkedListHelpers <char> .ToArray());
}
public void Should_Do_Nothing_No_Duplicates_Greater_Than_3()
{
LinkedListHelpers <char> .Clear();
LinkedListHelpers <char> .Append('A');
LinkedListHelpers <char> .Append('B');
LinkedListHelpers <char> .Append('E');
LinkedListHelpers <char> .Append('B');
LinkedListHelpers <char> .Append('E');
LinkedListHelpers <char> .removeDuplicates();//removes duplicates leaving two if any
Assert.Equal(5, LinkedListHelpers <char> .Count);
Assert.Equal(new char[] { 'E', 'B', 'E', 'B', 'A' }, LinkedListHelpers <char> .ToArray());
}
public void Should_Not_Add_Elements_of_Type_Int_or_Any__To_Char()
{
LinkedListHelpers <char> .Clear();
LinkedListHelpers <char> .Append('A');
LinkedListHelpers <char> .Append('B');
LinkedListHelpers <char> .Append('E');
LinkedListHelpers <char> .Append('B');
LinkedListHelpers <char> .Append('E');
LinkedListHelpers <int> .Append(1); //this is not added
LinkedListHelpers <char> .removeDuplicates(); //removes duplicates leaving two if any
Assert.Equal(5, LinkedListHelpers <char> .Count);
Assert.Equal(new char[] { 'E', 'B', 'E', 'B', 'A' }, LinkedListHelpers <char> .ToArray());
}