public void InsertFirst_Should_Insert_Item_At_First()
{
var simpleLinkedList = new SimpleLinkedList <int>(1);
var secondLinkedList = simpleLinkedList.InsertLast(2);
simpleLinkedList.InsertLast(3);
var list = simpleLinkedList.ToList();
Assert.Collection(list,
i => Assert.Equal(1, i),
i => Assert.Equal(2, i), i => Assert.Equal(3, i));
}
private SimpleLinkedList <T> CreateSystemUnderTest <T>(params T[] input)
{
if (input == null)
{
return(null);
}
var simpleLinkedList = new SimpleLinkedList <T>(input[0]);
for (var i = 1; i < input.Length; i++)
{
simpleLinkedList.InsertLast(input[i]);
}
return(simpleLinkedList);
}