make missing acroform types public and start improving data

also changes pages to use a proper tree structure since this will be required for resource inheritance and for acroform widget dictionaries.

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

@@ -1,6 +1,7 @@
 namespace UglyToad.PdfPig.Tests.Integration
 {
     using System;
+    using System.Linq;
     using Xunit;
 
     public class AcroFormsBasicFieldsTests
@@ -13,7 +14,7 @@
         [Fact]
         public void GetFormNotNull()
         {
-            using (var document = PdfDocument.Open(GetFilename(), new ParsingOptions { UseLenientParsing = false }))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var form = document.GetForm();
                 Assert.NotNull(form);
@@ -35,11 +36,22 @@
         [Fact]
         public void GetsAllFormFields()
         {
-            using (var document = PdfDocument.Open(GetFilename(), new ParsingOptions { UseLenientParsing = false }))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var form = document.GetForm();
                 Assert.Equal(16, form.Fields.Count);
             }
         }
+
+        [Fact]
+        public void GetsEmptyFormFields()
+        {
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
+            {
+                var form = document.GetForm();
+                var annots = document.GetPage(1).ExperimentalAccess.GetAnnotations().ToList();
+                Assert.Equal(16, form.Fields.Count);
+            }
+        }
     }
 }

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

@@ -16,10 +16,7 @@
         [Fact]
         public void CanReadContent()
         {
-            using (var document = PdfDocument.Open(GetFilename(), new ParsingOptions
-            {
-                UseLenientParsing = false
-            }))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var page = document.GetPage(1);
 
@@ -30,10 +27,7 @@
         [Fact]
         public void LettersHaveCorrectColors()
         {
-            using (var document = PdfDocument.Open(GetFilename(), new ParsingOptions
-            {
-                UseLenientParsing = false
-            }))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var page = document.GetPage(1);
 
@@ -91,7 +85,7 @@
                 "Nations"
             };
 
-            using (var document = PdfDocument.Open(GetFilename()))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var page = document.GetPage(1);
 
@@ -105,7 +99,7 @@
         public void Page4HasCorrectWords()
         {
             var expected = WordsPage4.Split(new[] {"\r", "\r\n", "\n", " "}, StringSplitOptions.RemoveEmptyEntries);
-            using (var document = PdfDocument.Open(GetFilename()))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var page = document.GetPage(4);
 
@@ -118,10 +112,7 @@
         [Fact]
         public void CanReadPage9()
         {
-            using (var document = PdfDocument.Open(GetFilename(), new ParsingOptions
-            {
-                UseLenientParsing = false
-            }))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var page = document.GetPage(9);
 
@@ -132,7 +123,7 @@
         [Fact]
         public void HasCorrectNumberOfPages()
         {
-            using (var document = PdfDocument.Open(GetFilename()))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 Assert.Equal(86, document.NumberOfPages);
             }
@@ -141,7 +132,7 @@
         [Fact]
         public void LettersHaveCorrectPosition()
         {
-            using (var document = PdfDocument.Open(GetFilename()))
+            using (var document = PdfDocument.Open(GetFilename(), ParsingOptions.LenientParsingOff))
             {
                 var page = document.GetPage(1);
                 var letters = page.Letters;