public void shouldDecreaseCaloriesWhenEatingTheMagicPill()
        {
            Food magicPill = new Food("magicPill", 0.01);

            foods.Add(magicPill);
            String actual = new CaloriesCalculator(tom, foods).result();

            Assert.IsTrue(actual.Contains("Diet Report for tom:\nmagicPill - 0,01\nTotal: -10 kcal"));
        }
        public void noFoodNoCalories()
        {
            Food air = new Food("air", 0.0);

            foods.Add(air);
            String actual = new CaloriesCalculator(tom, foods).result();

            Assert.IsTrue(actual.Contains("Diet Report for tom:\nair - 0\nTotal: 0 kcal"));
        }
        public void appleCalories()
        {
            Food apple = new Food("apple", 0.2);

            foods.Add(apple);
            String actual = new CaloriesCalculator(tom, foods).result();

            Assert.IsTrue(actual.Contains("Diet Report for tom:\napple - 0,2\nTotal: 30 kcal"));
            foods.Add(apple);
            actual = new CaloriesCalculator(tom, foods).result();
            Assert.IsTrue(actual.Contains("Diet Report for tom:\napple - 0,2\napple - 0,2\nTotal: 60 kcal"));
        }