public static void TestOrderedGuidCache_Remove_LeavesMostRecentlyAccessedItems()
{
var cache = new OrderedGuidCache();
var guidRemoved1 = Guid.NewGuid();
var guidRemoved2 = Guid.NewGuid();
var guidStays1 = Guid.NewGuid();
var guidStays2 = Guid.NewGuid();
var guidStays3 = Guid.NewGuid();
cache.TryAdd(guidStays1, 2);
Thread.Sleep(100);
cache.TryAdd(guidStays2, 2);
Thread.Sleep(100);
cache.TryAdd(guidRemoved1, 2);
Thread.Sleep(100);
cache.TryAdd(guidRemoved2, 2);
Thread.Sleep(100);
cache.TryAdd(guidStays3, 2);
Thread.Sleep(100);
// Touch the timestamps
cache.Contains(guidStays1);
Thread.Sleep(100);
cache.Contains(guidStays3);
Thread.Sleep(100);
cache.ItemsWithPrefix(guidStays2.ToString("N").Substring(0, 3));
Thread.Sleep(100);
cache.Remove(3, out var sizeCleared);
Assert.True(cache.Contains(guidStays1));
Assert.True(cache.Contains(guidStays2));
Assert.True(cache.Contains(guidStays3));
}
public static void TestOrderedGuidCache_ItemsWithPrefix_DoesntFindUnknown()
{
var cache = new OrderedGuidCache();
cache.TryAdd(Guid.Parse("67bdbe4a-1f93-4316-8c32-ae7a168a00e4"), 1);
cache.TryAdd(Guid.Parse("fcf84364-5fbd-4866-b8a7-35b93a20dbc6"), 2);
cache.TryAdd(Guid.Parse("06fd2e96-4c5e-4e87-918a-f217064330ea"), 3);
Assert.IsEmpty(cache.ItemsWithPrefix("123"));
}
public static void TestOrderedGuidCache_ItemsWithPrefix_FindsSingularKnown()
{
var cache = new OrderedGuidCache();
var guid = Guid.Parse("fcf84364-5fbd-4866-b8a7-35b93a20dbc6");
cache.TryAdd(guid, 1);
cache.TryAdd(Guid.Parse("67bdbe4a-1f93-4316-8c32-ae7a168a00e4"), 2);
cache.TryAdd(Guid.Parse("06fd2e96-4c5e-4e87-918a-f217064330ea"), 3);
var result = cache.ItemsWithPrefix(guid.ToString("N").Substring(0, 3));
Assert.AreEqual(1, result.Count());
Assert.That(result, Contains.Item(guid));
}