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));
}