public void CanAddAndRetrieveAnElement()
{
var list = new MostRecentList <string>();
list.AddUsage("a");
CollectionAssert.AreEqual(new[] { "a" }, list.GetMostRecentValues());
}
public void DuplicateAddsOnlyReturnedOnce()
{
var list = new MostRecentList <string>(3);
list.AddUsage("c");
list.AddUsage("d");
list.AddUsage("e");
list.AddUsage("d");
CollectionAssert.AreEqual(new[] { "d", "e", "c" }, list.GetMostRecentValues());
}
public void ExcessElementsAreRemoved()
{
var list = new MostRecentList <string>(3);
list.AddUsage("a");
list.AddUsage("b");
list.AddUsage("c");
list.AddUsage("d");
list.AddUsage("e");
CollectionAssert.AreEqual(new[] { "e", "d", "c" }, list.GetMostRecentValues());
}
public void ElementsReturnedInReverseOrderOfAdding()
{
var list = new MostRecentList <string>();
list.AddUsage("a");
list.AddUsage("b");
list.AddUsage("c");
list.AddUsage("d");
list.AddUsage("e");
CollectionAssert.AreEqual(new[] { "e", "d", "c", "b", "a" }, list.GetMostRecentValues());
}