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.");
}