Fix Issue #19

Author: jamietre

distribution/CsQuery.XML

@@ -21,6 +21,7 @@ public static implicit operator Arrays(string members)
         public Arrays(string members)
         {
             InnerList = new List<string>(members.SplitClean(','));
+
         }
         protected IEnumerable<string> InnerList;
 

distribution/CsQuery.dll

@@ -17,6 +17,8 @@ namespace CsQuery.Tests.Csharp.Attributes
     [TestClass,TestFixture]
     public class Attribute : CsQueryTest 
     {
+     
+
         [TestMethod,Test]
         public void Show()
         {

distribution/CsQuery.pdb

@@ -115,6 +115,22 @@ public void Header()
             Assert.AreEqual(39, res.Length);
         }
 
+        /// <summary>
+        /// Issue #19: error when no children
+        /// </summary>
+
+        [Test, TestMethod]
+        public void Eq()
+        {
+            var res = CQ.CreateFragment(@"<div class='header'>
+                Billing Address
+                </div>");
+
+            var k = res.Find("> label:visible:eq(0)");
+
+            Assert.AreEqual(0, k.Length);
+        }
+
         #region Setup
         public override void FixtureSetUp()
         {

source/CsQuery.Tests/Arrays.cs

@@ -4,7 +4,7 @@ This is an informal log of changes to the project; major issues will be logged a
 
 
 ####7/17/2012
-
+- Bugfix - Issue #17 - non-matching Eq() throws exception
 - Bugfix - update `FastActivator.CreateInstance` to handle value types by deferring to `Activator.CreateInstance`. Introduced in 1.1.3.
 
 ####7/13/2012

source/CsQuery.Tests/Csharp/Attributes/Attributes.cs

@@ -15,10 +15,15 @@ public class Eq : Indexed
 
         public override IEnumerable<IDomObject> Filter(IEnumerable<IDomObject> selection)
         {
-            yield return ElementAtIndex(selection, Index);
+            IDomObject el =  ElementAtIndex(selection, Index);
+            if (el != null)
+            {
+                yield return el;
+            }
         }
 
 
+
         private IDomObject ElementAtIndex(IEnumerable<IDomObject> list, int index)
         {
             if (index < 0)