| using System; | 
 | using System.Text; | 
 | using System.Collections.Generic; | 
 | using System.Linq; | 
 | using Microsoft.VisualStudio.TestTools.UnitTesting; | 
 | using OfficeOpenXml.FormulaParsing.ExpressionGraph; | 
 |  | 
 | namespace EPPlusTest.FormulaParsing.ExpressionGraph | 
 | { | 
 |     [TestClass] | 
 |     public class EnumerableExpressionTests | 
 |     { | 
 |         [TestMethod] | 
 |         public void CompileShouldReturnEnumerableOfCompiledChildExpressions() | 
 |         { | 
 |             var expression = new EnumerableExpression(); | 
 |             expression.AddChild(new IntegerExpression("2")); | 
 |             expression.AddChild(new IntegerExpression("3")); | 
 |             var result = expression.Compile(); | 
 |  | 
 |             Assert.IsInstanceOfType(result.Result, typeof(IEnumerable<object>)); | 
 |             var resultList = (IEnumerable<object>)result.Result; | 
 |             Assert.AreEqual(2d, resultList.ElementAt(0)); | 
 |             Assert.AreEqual(3d, resultList.ElementAt(1)); | 
 |         } | 
 |     } | 
 | } |