public void calculateCoverageRating_CorrectRatingValue()
        {
            double coverage = 46.88;
            int expectedRating = 1;
            CoverageDetector cd = new CoverageDetector();
            int actual = cd.calculateCoverageRating(coverage);

            Assert.AreEqual(expectedRating, actual);
        }
        public void calculateCoverageValue_CorrectCalulation()
        {
            int width = 480;
            int height = 320;
            int carWidth = 136;
            int carHeight = 112;
            double expectedCoverage = 9.92;
            CoverageDetector cd = new CoverageDetector();

            double actual = cd.calculateCoverageValue(width, height, carWidth, carHeight);

            Assert.AreEqual(expectedCoverage, actual, "Coverage not calculated correctly.");
        }