public void Verify_BinaryTreeGrossCnt(MovieBinaryTreeRepo.BinaryTreeType type)
        {
            MovieBinaryTreeRepo mr = new MovieBinaryTreeRepo(type);
            mr.Init(MockMovieList, FirstField.Genre);

            Assert.NotNull(mr.MoneyGrossBinaryTree);
            Assert.Equal(2, mr.FindMoviesInGrossReceiptRange(1000, 1999));
        }
        public void Verify_BinaryTreeDictionary_YearFirstLoad(MovieBinaryTreeRepo.BinaryTreeType type)
        {
            MovieBinaryTreeRepo mr = new MovieBinaryTreeRepo(type);
            mr.Init(MockMovieList, FirstField.Year);

            Assert.NotNull(mr.BinaryTreeByYearByGenre);
            Assert.Null(mr.BinaryTreeByGenreByYear);
            Assert.Equal(3, mr.FindMovies(2015, 2016, "Drama:Western"));
        }