|  | 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); | 
|  | } | 
|  | } | 
|  | } |