OpenTween.LRUCacheDictionaryTest.InnerListTest C# (CSharp) Method

        public void InnerListTest()
        {
            var dict = new LRUCacheDictionary<string, string>
            {
                ["key1"] = "value1",
                ["key2"] = "value2",
                ["key3"] = "value3",
            };

            var node = dict.innerList.First;
            Assert.Equal("key3", node.Value.Key);
            node = node.Next;
            Assert.Equal("key2", node.Value.Key);
            node = node.Next;
            Assert.Equal("key1", node.Value.Key);

            // 2 -> 3 -> 1 の順に値を参照
            var x = dict["key2"];
            x = dict["key3"];
            x = dict["key1"];

            // 直近に参照した順で並んでいるかテスト
            node = dict.innerList.First;
            Assert.Equal("key1", node.Value.Key);
            node = node.Next;
            Assert.Equal("key3", node.Value.Key);
            node = node.Next;
            Assert.Equal("key2", node.Value.Key);
        }