public void Should_Detect_Slugs(float weight, float diameter)
        {
            // Arrange (see weight and diameter)
            // Act
            int actualCoin = CoinDetector.CoinValue(weight, diameter);

            // Assert
            Assert.Equal(0, actualCoin);
        }
        public void Should_Detect_A_Nickel()
        {
            // Arrange
            float weight   = 5.02f;
            float diameter = 21.1f;

            // Act
            int actualCoin = CoinDetector.CoinValue(weight, diameter);

            // Assert
            Assert.Equal(5, actualCoin);
        }
        public void Should_Detect_A_Quarter()
        {
            // Arrange
            float weight   = 5.67f;
            float diameter = 25.0f;

            // Act
            int actualCoin = CoinDetector.CoinValue(weight, diameter);

            // Assert
            Assert.Equal(25, actualCoin);
        }
        public void Should_Detect_A_Dime()
        {
            // Arrange
            float weight   = 2.25f;
            float diameter = 18.0f;

            // Act
            int actualCoin = CoinDetector.CoinValue(weight, diameter);

            // Assert
            Assert.Equal(10, actualCoin);
        }