public void Should_Check_Length_One_Enqueue_Dequeue()
{
//arrange
var queue = new MyLinkedListQueue <int>();
//act
queue.Enqueue(1);
var result = queue.Dequeue();
Action act = () => queue.Dequeue();
//assert
result.ShouldBeEquivalentTo(1);
queue.Count.ShouldBeEquivalentTo(0);
act.ShouldThrow <InvalidOperationException>();
}
public void Should_Check_Length_One_Enqueue_Dequeue_Multiple()
{
//arrange
var queue = new MyLinkedListQueue <int>();
//act
queue.Enqueue(1);
queue.Dequeue();
queue.Enqueue(2);
var result = queue.Dequeue();
//assert
result.ShouldBeEquivalentTo(2);
queue.Count.ShouldBeEquivalentTo(0);
}
public void Should_Dequeue_Throw_If_Empty()
{
//arrange
var queue = new MyLinkedListQueue <int>();
//act
Action act = () => queue.Dequeue();
//assert
act.ShouldThrow <InvalidOperationException>();
}
public void Should_Dequeue()
{
//arrange
var queue = new MyLinkedListQueue <int>();
queue.Enqueue(1);
//act
var result = queue.Dequeue();
//assert
result.ShouldBeEquivalentTo(1);
queue.Count.ShouldBeEquivalentTo(0);
}
public void Should_Dequeue_Multiple()
{
//arrange
var queue = new MyLinkedListQueue <int>();
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
queue.Enqueue(4);
//act
var first = queue.Dequeue();
var second = queue.Dequeue();
var third = queue.Dequeue();
var fourth = queue.Dequeue();
//assert
first.ShouldBeEquivalentTo(1);
second.ShouldBeEquivalentTo(2);
third.ShouldBeEquivalentTo(3);
fourth.ShouldBeEquivalentTo(4);
queue.Count.ShouldBeEquivalentTo(0);
}