public void Should_Check_Head_Tail_Floating()
{
//arrange
var queue = new MyArrayQueue <int>();
//act
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
queue.Enqueue(4);
queue.Dequeue();
queue.Enqueue(5);
var first = queue.Dequeue();
var second = queue.Dequeue();
var third = queue.Dequeue();
var fourth = queue.Dequeue();
//assert
queue.Capacity.ShouldBeEquivalentTo(4);
queue.Count.ShouldBeEquivalentTo(0);
first.ShouldBeEquivalentTo(2);
second.ShouldBeEquivalentTo(3);
third.ShouldBeEquivalentTo(4);
fourth.ShouldBeEquivalentTo(5);
}
public void EnqueueDequeueTest()
{
MyQueue <int> Queue = new MyArrayQueue <int>();
Queue.Enqueue(85);
Queue.Enqueue(48);
Assert.AreEqual(Queue.Dequeue(), 85);
Assert.AreEqual(Queue.Dequeue(), 48);
}
public void Should_Check_Tail_Floating()
{
//arrange
var queue = new MyArrayQueue <int>(1);
//act
queue.Enqueue(1);
queue.Dequeue();
queue.Enqueue(2);
var result = queue.Dequeue();
//assert
result.ShouldBeEquivalentTo(2);
queue.Count.ShouldBeEquivalentTo(0);
queue.Capacity.ShouldBeEquivalentTo(1);
}
public void Should_Check_Floating_Overflow_Multiple()
{
//arrange
var queue = new MyArrayQueue <int>(1);
//act
queue.Enqueue(1);
queue.Dequeue();
queue.Enqueue(2);
queue.Enqueue(3);
queue.Dequeue();
queue.Enqueue(4);
queue.Enqueue(5);
queue.Enqueue(6);
queue.Enqueue(7);
queue.Dequeue();
//assert
queue.Capacity.ShouldBeEquivalentTo(8);
queue.Count.ShouldBeEquivalentTo(4);
queue.Dequeue().ShouldBeEquivalentTo(4);
queue.Dequeue().ShouldBeEquivalentTo(5);
queue.Dequeue().ShouldBeEquivalentTo(6);
queue.Dequeue().ShouldBeEquivalentTo(7);
}
public void Should_Dequeue_Throw_If_Is_Empty()
{
//arrange
var queue = new MyArrayQueue <int>();
//act
Action act = () => queue.Dequeue();
//assert
act.ShouldThrow <InvalidOperationException>();
}
public void DequeueFromEmptyQueueTest()
{
MyQueue <int> Queue = new MyArrayQueue <int>();
try
{
Queue.Dequeue();
}
catch (InvalidOperationException e)
{
StringAssert.Contains(e.Message, "Очередь пуста.");
}
}
public void Should_Check_Is_Empty_True()
{
//arrange
var queue = new MyArrayQueue <int>(1);
queue.Enqueue(1);
queue.Dequeue();
//act
var result = queue.IsEmpty();
//assert
result.ShouldBeEquivalentTo(true);
}
public void Should_Peek()
{
//arrange
var queue = new MyArrayQueue <int>();
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
queue.Enqueue(4);
queue.Enqueue(5);
//act
var result = queue.Peek();
//assert
result.ShouldBeEquivalentTo(1);
queue.Capacity.ShouldBeEquivalentTo(8);
queue.Count.ShouldBeEquivalentTo(5);
queue.Dequeue().ShouldBeEquivalentTo(1);
queue.Dequeue().ShouldBeEquivalentTo(2);
queue.Dequeue().ShouldBeEquivalentTo(3);
queue.Dequeue().ShouldBeEquivalentTo(4);
queue.Dequeue().ShouldBeEquivalentTo(5);
}
public void Should_Dequeue_Length_One()
{
//arrange
var queue = new MyArrayQueue <int>(new List <int>()
{
1
});
//act
var result = queue.Dequeue();
//assert
result.ShouldBeEquivalentTo(1);
queue.Capacity.ShouldBeEquivalentTo(1);
queue.Count.ShouldBeEquivalentTo(0);
}
public void DequeueFromEmptyQueueTest()
{
MyQueue<int> Queue = new MyArrayQueue<int>();
try
{
Queue.Dequeue();
}
catch (InvalidOperationException e)
{
StringAssert.Contains(e.Message, "Очередь пуста.");
}
}
public void EnqueueDequeueTest()
{
MyQueue<int> Queue = new MyArrayQueue<int>();
Queue.Enqueue(85);
Queue.Enqueue(48);
Assert.AreEqual(Queue.Dequeue(), 85);
Assert.AreEqual(Queue.Dequeue(), 48);
}