start adding retrieval of annotations

src/UglyToad.PdfPig.Tests/Integration/CatGeneticsTests.cs

@@ -0,0 +1,38 @@
+namespace UglyToad.PdfPig.Tests.Integration
+{
+    using System.Linq;
+    using Xunit;
+
+    public class CatGeneticsTests
+    {
+        private static string GetFilename()
+        {
+            return IntegrationHelpers.GetDocumentPath("cat-genetics.pdf");
+        }
+
+        [Fact]
+        public void CanReadContent()
+        {
+            using (var document = PdfDocument.Open(GetFilename()))
+            {
+                var page = document.GetPage(1);
+
+                Assert.Contains("catus", page.Text);
+            }
+        }
+
+
+        [Fact]
+        public void CanGetAnnotations()
+        {
+            using (var document = PdfDocument.Open(GetFilename(), new ParsingOptions { UseLenientParsing = false }))
+            {
+                var page = document.GetPage(1);
+
+                var annotations = page.GetAnnotations().ToList();
+
+                Assert.NotEmpty(annotations);
+            }
+        }
+    }
+}