public void Get_NullReturnedWhenItemDoesNotExist()
{
LruStrategy <CacheItem> strategy = new LruStrategy <CacheItem>(2);
CacheItem item1 = strategy.Get("1");
Assert.Null(item1);
}
public void Get_ItemReturned()
{
LruStrategy <CacheItem> strategy = new LruStrategy <CacheItem>(2);
strategy.Put("1", new CacheItem("1", TimeSpan.FromSeconds(10)));
CacheItem item1 = strategy.Get("1");
Assert.NotNull(item1);
}
public void Put_RemovesOldestElement()
{
LruStrategy <CacheItem> strategy = new LruStrategy <CacheItem>(2);
strategy.Put("1", new CacheItem("1", TimeSpan.FromSeconds(10)));
strategy.Put("2", new CacheItem("2", TimeSpan.FromSeconds(10)));
strategy.Put("3", new CacheItem("3", TimeSpan.FromSeconds(10)));
// 1 should be gone
CacheItem item1 = strategy.Get("1");
CacheItem item2 = strategy.Get("2");
CacheItem item3 = strategy.Get("3");
Assert.Null(item1);
Assert.NotNull(item2);
Assert.NotNull(item3);
}
