public void GetterTest()
{
var dict = new LRUCacheDictionary<string, string>
{
["key1"] = "value1",
["key2"] = "value2",
["key3"] = "value3",
};
Assert.Equal("value1", dict["key1"]);
Assert.Equal("value2", dict["key2"]);
Assert.Equal("value3", dict["key3"]);
Assert.Throws<KeyNotFoundException>(() => { var x = dict["hogehoge"]; });
}