public void CheckNumberOccurence_GetCountForOccurrence_Int() { //Arrange string word = "car"; string word2 = "card"; string wordUpperCase = "CAR"; string sentence = "I need to buy a new car, a blue car."; RepeatCounter userInput = new RepeatCounter(word, sentence); //Act string userWord = userInput.GetUserWord(); string userSentence = userInput.GetUserSentence(); int resultCheckCount = userInput.CheckNumberOccurence(userWord, userSentence); int resultCheckCount2 = userInput.CheckNumberOccurence(word2, userSentence); int resultCheckCountUpperCase = userInput.CheckNumberOccurence(wordUpperCase, userSentence); //Assert Assert.AreEqual(2, resultCheckCount); Assert.AreEqual(0, resultCheckCount2); Assert.AreEqual(2, resultCheckCountUpperCase); }