| using System; | 
 | using System.Text; | 
 | using System.Collections.Generic; | 
 | using System.Linq; | 
 | using Microsoft.VisualStudio.TestTools.UnitTesting; | 
 | using OfficeOpenXml.FormulaParsing.Excel.Functions; | 
 | using OfficeOpenXml.FormulaParsing.Excel; | 
 |  | 
 | namespace EPPlusTest.Excel.Functions | 
 | { | 
 |     [TestClass] | 
 |     public class FunctionArgumentTests | 
 |     { | 
 |         [TestMethod] | 
 |         public void ShouldSetExcelState() | 
 |         { | 
 |             var arg = new FunctionArgument(2); | 
 |             arg.SetExcelStateFlag(ExcelCellState.HiddenCell); | 
 |             Assert.IsTrue(arg.ExcelStateFlagIsSet(ExcelCellState.HiddenCell)); | 
 |         } | 
 |  | 
 |         [TestMethod] | 
 |         public void ExcelStateFlagIsSetShouldReturnFalseWhenNotSet() | 
 |         { | 
 |             var arg = new FunctionArgument(2); | 
 |             Assert.IsFalse(arg.ExcelStateFlagIsSet(ExcelCellState.HiddenCell)); | 
 |         } | 
 |     } | 
 | } |