public void LookAtItemInMiddleOfFlexQueueThatDoesntExist()
{
// Arrange
var queue = new FlexQueue<ushort>();
var entries = new List<char> { 'c','/','>','L','s' };
entries.ForEach(x => queue.Enqueue(x));
// Assert
queue.PeekAt(500);
}
public void LookAtItemInTheMiddleOfFlexQueue()
{
// Arrange
var queue = new FlexQueue<ushort>();
var entries = new List<ushort>{10,1,9,2,3,8,50,31,2000,23,2,65,10000};
entries.ForEach(x => queue.Enqueue(x));
// Assert
Enumerable.Range(0, entries.Count).ToList().ForEach(x =>
{
Assert.AreEqual(entries[x], queue.PeekAt(x));
Assert.AreEqual(entries.Count, queue.Count);
});
}
public void RemoveItemFromMiddleOfFlexQueue()
{
// Arrange
var queue = new FlexQueue<int>();
var entries = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
var expEntriesWith5Removed = new List<int> { 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
var expEntriesWith5and15Removed = new List<int> { 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20 };
var expEntriesWith5and15and1Removed = new List<int> { 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20 };
entries.ForEach(x => queue.Enqueue(x));
// Assert
Assert.AreEqual(20, queue.Count);
var firstItem = queue.RemoveAt(4);
Assert.AreEqual(5, firstItem);
Assert.AreEqual(19, queue.Count);
Enumerable.Range(0, 19).ToList().ForEach(x => Assert.AreEqual(expEntriesWith5Removed[x], queue.PeekAt(x)));
var secondItem = queue.RemoveAt(13);
Assert.AreEqual(15, secondItem);
Assert.AreEqual(18, queue.Count);
Enumerable.Range(0, 18).ToList().ForEach(x => Assert.AreEqual(expEntriesWith5and15Removed[x], queue.PeekAt(x)));
var thirdItem = queue.RemoveAt(0);
Assert.AreEqual(1, thirdItem);
Assert.AreEqual(17, queue.Count);
Enumerable.Range(0, 17).ToList().ForEach(x => Assert.AreEqual(expEntriesWith5and15and1Removed[x], queue.PeekAt(x)));
}