public void CanRetrieveIndexOfPreviouslyAddedItemsAfterRemovalOfItems()
{
var list = new SubscriptionItemCollection();
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b0"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b1"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b2"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b3"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b4"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b5"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b6"
});
list.Remove("a/b0");
list.Remove("a/b2");
list.Remove("a/b4");
list.Remove("a/b6");
Assert.AreEqual(0, list.IndexOf("a/b1"));
Assert.AreEqual(1, list.IndexOf("a/b3"));
Assert.AreEqual(2, list.IndexOf("a/b5"));
}
public void AddingRemovingItemsAdjustsCount()
{
var list = new SubscriptionItemCollection();
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b0"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b1"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b2"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b3"
});
Assert.AreEqual(4, list.Count);
list.Remove("a/b0");
Assert.AreEqual(3, list.Count);
list.Remove("a/b2");
Assert.AreEqual(2, list.Count);
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b4"
});
Assert.AreEqual(3, list.Count);
list.Remove("a/b4");
Assert.AreEqual(2, list.Count);
}
public void CanRemoveLastItemInList()
{
var list = new SubscriptionItemCollection();
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b0"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b1"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b2"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b3"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b4"
});
list.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce, TopicName = "a/b5"
});
list.Remove("a/b0");
list.Remove("a/b1");
list.Remove("a/b2");
list.Remove("a/b3");
list.Remove("a/b4");
Assert.AreEqual(1, list.Count);
list.Remove("a/b5");
Assert.AreEqual(0, list.Count);
}