public void Should_Peek_Throw_If_Empty()
{
//arrange
var queue = new MyLinkedListQueue <int>();
//act
Action act = () => queue.Peek();
//assert
act.ShouldThrow <InvalidOperationException>();
}
public void Should_Create_With_Collection()
{
//arrange
var array = new int[] { 1, 2, 3, 4, 5 };
//act
var queue = new MyLinkedListQueue <int>(array);
//assert
queue.Count.ShouldBeEquivalentTo(5);
queue.Peek().ShouldBeEquivalentTo(1);
}
public void Should_Peek()
{
//arrange
var queue = new MyLinkedListQueue <int>();
queue.Enqueue(5);
//act
var result = queue.Peek();
//assert
queue.Count.ShouldBeEquivalentTo(1);
result.ShouldBeEquivalentTo(5);
}