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_Contains_DoesntFindUnknown()
{
var cache = new OrderedGuidCache();
cache.TryAdd(Guid.NewGuid(), 0);
Assert.False(cache.Contains(Guid.NewGuid()));
}
public static void TestOrderedGuidCache_Contains_FindsKnown()
{
var cache = new OrderedGuidCache();
var guid = Guid.NewGuid();
cache.TryAdd(Guid.NewGuid(), 1);
cache.TryAdd(guid, 2);
cache.TryAdd(Guid.NewGuid(), 3);
Assert.True(cache.Contains(guid));
}
public static void TestOrderedGuidCache_Contains_DoesntFindRemovedItem()
{
var cache = new OrderedGuidCache();
var guid = Guid.NewGuid();
cache.TryAdd(Guid.NewGuid(), 1);
cache.TryAdd(guid, 2);
cache.TryAdd(Guid.NewGuid(), 3);
cache.TryRemove(guid);
Assert.False(cache.Contains(guid));
}
public static void TestOrderedGuidCache_TryRemove_DoesRemoveKnown()
{
var cache = new OrderedGuidCache();
var guid = Guid.NewGuid();
cache.TryAdd(Guid.NewGuid(), 1);
cache.TryAdd(guid, 2);
cache.TryAdd(Guid.NewGuid(), 3);
Assert.True(cache.TryRemove(guid));
Assert.AreEqual(2, cache.Count);
Assert.False(cache.Contains(guid));
}