public void DequeueTest()
{
// arrange
var queue = new PriorityQueueLinkedList <int>();
const int expected = 21;
// act
queue.Enqueue(21);
queue.Enqueue(100);
queue.Enqueue(3);
queue.Dequeue();
var result = queue.Dequeue();
Assert.AreEqual(expected, result);
// arrange
var queue2 = new PriorityQueueBinaryTree <int>();
// act
queue2.Enqueue(21);
queue2.Enqueue(100);
queue2.Enqueue(3);
queue2.Dequeue();
result = queue2.Dequeue();
Assert.AreEqual(expected, result);
}
public void IsEmptyTestWithNoItems()
{
// arrange
var queue = new PriorityQueueLinkedList <int>();
Assert.IsTrue(queue.IsEmpty);
// arrange
var queue2 = new PriorityQueueBinaryTree <int>();
Assert.IsTrue(queue2.IsEmpty);
}
public void DequeueWithNoItemsShouldThrowException()
{
// arrange
var queue = new PriorityQueueLinkedList <int>();
// act
queue.Dequeue();
// arrange
var queue2 = new PriorityQueueBinaryTree <int>();
// act
queue2.Dequeue();
}
public void GivenAnArrayOfObjectsUnordered()
{
// arrange
var queue = new PriorityQueueLinkedList <DummyStringComparer2>();
var t1 = new DummyStringComparer2 {
StringOfX = "xxx"
};
var t2 = new DummyStringComparer2 {
StringOfX = "x"
};
var t3 = new DummyStringComparer2 {
StringOfX = "xxxxx"
};
var t4 = new DummyStringComparer2 {
StringOfX = "xx"
};
var t5 = new DummyStringComparer2 {
StringOfX = "xxxx"
};
DummyStringComparer2[] expected = { t2, t4, t1, t5, t3 };
queue.Enqueue(t1);
queue.Enqueue(t2);
queue.Enqueue(t3);
queue.Enqueue(t4);
queue.Enqueue(t5);
// act/assert
Assert.IsTrue(queue.ToArray().SequenceEqual(expected));
// arrange
var queue2 = new PriorityQueueBinaryTree <DummyStringComparer2>();
queue2.Enqueue(t1);
queue2.Enqueue(t2);
queue2.Enqueue(t3);
queue2.Enqueue(t4);
queue2.Enqueue(t5);
// act/assert
Assert.IsTrue(queue2.ToArray().SequenceEqual(expected));
}
public void GivenIntegersUnordered()
{
// arrange
var queue = new PriorityQueueLinkedList <int>();
var expected = new[] { 3, 21, 100 };
// act
queue.Enqueue(3);
queue.Enqueue(100);
queue.Enqueue(21);
Assert.IsTrue(queue.ToArray().SequenceEqual(expected));
// arrange
var queue2 = new PriorityQueueBinaryTree <int>();
// act
queue2.Enqueue(3);
queue2.Enqueue(100);
queue2.Enqueue(21);
Assert.IsTrue(queue2.ToArray().SequenceEqual(expected));
}
