public void AssociativeCache_BasicUsage()
        {
            string myKey     = "12345";
            int    itemCount = 100;

            //////////////////////////////////////////
            // IMPORTANT: Choose your EvictionPolicy
            //////////////////////////////////////////
            //IEvictionPolicy<string, string> evictionPolicy = new LruEviction<string, string>();
            IEvictionPolicy <string, string> evictionPolicy = new MruEviction <string, string>();



            IAssociativeCache <string, string> cache = new AssociativeCache <string, string>(itemCount, evictionPolicy);



            /////////////////////////////////////////
            // TEST 1). Get null value
            /////////////////////////////////////////
            string cachedValue = cache.Get(myKey);

            Assert.IsTrue(string.IsNullOrWhiteSpace(cachedValue));


            //////////////////////////////////////////////////////////////////////
            // TEST 2). Add Items and ensure that items are removed when count hit
            //////////////////////////////////////////////////////////////////////
            for (int i = 1; i < itemCount + 10; i++)
            {
                cache.Add("Key" + i, "Value" + i);

                if (i >= itemCount)
                {
                    Assert.IsTrue(cache.Count == itemCount);
                }
                else
                {
                    Assert.IsTrue(cache.Count == i);
                }
            }


            //////////////////////////////////////////////////////////////////////
            // TEST 3). Add a few items and Check counts
            //////////////////////////////////////////////////////////////////////
            cache = new AssociativeCache <string, string>(2);

            cache.Add("1", "First");
            Assert.IsTrue(cache.Count == 1);

            cache.Add("2", "Second");
            Assert.IsTrue(cache.Count == 2);

            cache.Add("3", "Third");
            Assert.IsTrue(cache.Count == 2);             // NOTE: this remains the same

            cache.Add("4", "Fourth");
            Assert.IsTrue(cache.Count == 2);             // NOTE: this remains the same



            //////////////////////////////////////////////////////////////////////
            // TEST 4). Add and Get from cache
            /////////////////////////////////////////////////////////////////////
            cache.Flush();

            cache.Add("1", "First");
            Assert.IsTrue(cache.Get("1") == "First");

            cache.Add("2", "Second");
            Assert.IsTrue(cache.Get("2") == "Second");

            cache.Add("3", "Third");
            Assert.IsTrue(cache.Get("3") == "Third");

            cache.Add("4", "Fourth");
            Assert.IsTrue(cache.Get("4") == "Fourth");

            // And finally the first 2 should now be null
            Assert.IsTrue(cache.Get("1") == null);

            Assert.IsTrue(cache.Get("2") == null);

            // Should still be count 2
            Assert.IsTrue(cache.Count == 2);
        }
Exemplo n.º 2
0
        public void AssociativeCache_BasicUsage()
        {
            string myKey = "12345";
            int itemCount = 100;

            //////////////////////////////////////////
            // IMPORTANT: Choose your EvictionPolicy
            //////////////////////////////////////////
            //IEvictionPolicy<string, string> evictionPolicy = new LruEviction<string, string>();
            IEvictionPolicy<string, string> evictionPolicy = new MruEviction<string, string>();

            IAssociativeCache<string, string> cache = new AssociativeCache<string, string>(itemCount, evictionPolicy);

            /////////////////////////////////////////
            // TEST 1). Get null value
            /////////////////////////////////////////
            string cachedValue = cache.Get(myKey);
            Assert.IsTrue(string.IsNullOrWhiteSpace(cachedValue));

            //////////////////////////////////////////////////////////////////////
            // TEST 2). Add Items and ensure that items are removed when count hit
            //////////////////////////////////////////////////////////////////////
            for ( int i = 1; i < itemCount+10; i++)
            {
                cache.Add("Key" + i, "Value" + i);

                if(i >= itemCount)
                {
                    Assert.IsTrue(cache.Count == itemCount);
                }
                else
                {
                    Assert.IsTrue(cache.Count == i);
                }
            }

            //////////////////////////////////////////////////////////////////////
            // TEST 3). Add a few items and Check counts
            //////////////////////////////////////////////////////////////////////
            cache = new AssociativeCache<string, string>(2);

            cache.Add("1", "First");
            Assert.IsTrue(cache.Count == 1);

            cache.Add("2", "Second");
            Assert.IsTrue(cache.Count == 2);

            cache.Add("3", "Third");
            Assert.IsTrue(cache.Count == 2); // NOTE: this remains the same

            cache.Add("4", "Fourth");
            Assert.IsTrue(cache.Count == 2); // NOTE: this remains the same

            //////////////////////////////////////////////////////////////////////
            // TEST 4). Add and Get from cache
            /////////////////////////////////////////////////////////////////////
            cache.Flush();

            cache.Add("1", "First");
            Assert.IsTrue(cache.Get("1") == "First");

            cache.Add("2", "Second");
            Assert.IsTrue(cache.Get("2") == "Second");

            cache.Add("3", "Third");
            Assert.IsTrue(cache.Get("3") == "Third");

            cache.Add("4", "Fourth");
            Assert.IsTrue(cache.Get("4") == "Fourth");

            // And finally the first 2 should now be null
            Assert.IsTrue(cache.Get("1") == null);

            Assert.IsTrue(cache.Get("2") == null);

            // Should still be count 2
            Assert.IsTrue(cache.Count == 2);
        }