public void FindTwiceFrequency_Small_ThrowsMaxDepth()
        {
            var day1Part2 = new FrequencyCalculatorPart2();

            var result = Assert.Throws <Exception>(() => day1Part2.FindFrequencyReachedTwice(Day1Consts.Input1PathSmallMaxDepth));

            Assert.NotNull(result);
        }
        public void FindTwiceFrequency_Small_0()
        {
            var expectedFrequency = 0;
            var day1Part2         = new FrequencyCalculatorPart2();

            var result = day1Part2.FindFrequencyReachedTwice(Day1Consts.Input1PathSmall0);

            Assert.Equal(expectedFrequency, result);
        }