public void NegativeValidateColumnNameUniquenessTest() { _excelDocPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + @"\Files\seiseki.xlsx"; _excelReader = new ExcelReader(_excelDocPath, 50); Assert.IsFalse(_excelReader == null, "_excelReaderのインスタンスが作成されていません。"); string outputMessage; bool unique = _excelReader.ValidateColumnNameUniqueness(out outputMessage, 2, "中2-1評価(not unique)"); Debug.WriteLine(outputMessage); Assert.IsFalse(unique); }