public void ManualExpiration()
{
TimeSpan cacheLifeTime = TimeSpan.FromMinutes(5);
MemoryCachingService service = new MemoryCachingService(cacheLifeTime);
Foobar cachable = GetCachableObject();
string cachableKey = this.cachableKey;
DateTime startedCaching = DateTime.UtcNow;
service.Cache(cachableKey, cachable);
DateTime endedCaching = DateTime.UtcNow;
ICachedObject <Foobar> existsRetrievedWrapper = service.Retrieve <Foobar>(cachableKey);
service.Invalidate(cachableKey);
ICachedObject <Foobar> retrievedWrapper = service.Retrieve <Foobar>(cachableKey);
Assert.Empty(service);
Assert.NotNull(existsRetrievedWrapper);
Assert.Null(retrievedWrapper);
}
