| 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.ExpressionGraph; | 
 |  | 
 | namespace EPPlusTest.Excel.Functions | 
 | { | 
 |     [TestClass] | 
 |     public class ArgumentParsersTests | 
 |     { | 
 |         [TestMethod] | 
 |         public void ShouldReturnSameInstanceOfIntParserWhenCalledTwice() | 
 |         { | 
 |             var parsers = new ArgumentParsers(); | 
 |             var parser1 = parsers.GetParser(DataType.Integer); | 
 |             var parser2 = parsers.GetParser(DataType.Integer); | 
 |             Assert.AreEqual(parser1, parser2); | 
 |         } | 
 |     } | 
 | } |