public void Y2020_Day21_GetIngredientsWithNoAllergens_Returns_Correct_Value()
{
// Arrange
string[] foods = new[]
{
"mxmxvkd kfcds sqjhc nhms (contains dairy, fish)",
"trh fvjkl sbzzf mxmxvkd (contains dairy)",
"sqjhc fvjkl (contains soy)",
"sqjhc mxmxvkd sbzzf (contains fish)",
};
// Act
(int actualOccurrences, string actualAllergens) = Day21.GetIngredientsWithNoAllergens(foods);
// Assert
actualOccurrences.ShouldBe(5);
actualAllergens.ShouldBe("mxmxvkd,sqjhc,fvjkl");
}
