public void Test1() { var input = "dabAcCaCBAcCcaDA"; var result = Functions.Remove(input, 'a'); Assert.AreEqual("dbcCCBcCcD", result); result = Functions.Remove(input, 'b'); Assert.AreEqual("daAcCaCAcCcaDA", result); result = Functions.Remove(input, 'c'); Assert.AreEqual("dabAaBAaDA", result); result = Functions.Remove(input, 'd'); Assert.AreEqual("abAcCaCBAcCcaA", result); }