Merging PDFs with iText: update the sample to .NET 11 and iText 9.8.0

dotnet-client-libraries/ITextMergingPDFs/ITextMergingPDFs/BigDocument.cs

@@ -74,15 +74,15 @@ private static Paragraph CreateHeader1(string caption)
             return new Paragraph(caption)
                 .SetTextAlignment(TextAlignment.CENTER)
                 .SetFontSize(20)
-                .SetBold();
+                .SimulateBold();
         }
 
         private static Paragraph CreateHeader2(string caption)
         {
             return new Paragraph(caption)
                 .SetTextAlignment(TextAlignment.LEFT)
                 .SetFontSize(15)
-                .SetBold();
+                .SimulateBold();
         }
 
         private static Paragraph CreateNormalParagraph(string text)

dotnet-client-libraries/ITextMergingPDFs/ITextMergingPDFs/ITextMergingPDFs.csproj

@@ -2,14 +2,14 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net11.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="itext7" Version="8.0.2" />
-    <PackageReference Include="itext7.bouncy-castle-adapter" Version="8.0.2" />
+    <PackageReference Include="itext" Version="9.8.0" />
+    <PackageReference Include="itext.bouncy-castle-adapter" Version="9.8.0" />
   </ItemGroup>
 
 </Project>

dotnet-client-libraries/ITextMergingPDFs/Tests/MergerTest.cs

@@ -42,9 +42,9 @@ public void GivenValidParameters_WhenUsingMerge_ThenExpectOneMoreFile()
         [TestMethod]
         public void GivenInValidParameters_WhenUsingMerge_ThenExpectException()
         {
-            Assert.ThrowsException<ArgumentOutOfRangeException>(() => Merger.Merge(Array.Empty<string>(), "merged"));
-            Assert.ThrowsException<ArgumentOutOfRangeException>(() => Merger.Merge(new string[] { "test" }, "merged"));
-            Assert.ThrowsException<ArgumentOutOfRangeException>(() => Merger.Merge(new string[] { "test", "test2" }, ""));
+            Assert.ThrowsExactly<ArgumentOutOfRangeException>(() => Merger.Merge(Array.Empty<string>(), "merged"));
+            Assert.ThrowsExactly<ArgumentOutOfRangeException>(() => Merger.Merge(new string[] { "test" }, "merged"));
+            Assert.ThrowsExactly<ArgumentOutOfRangeException>(() => Merger.Merge(new string[] { "test", "test2" }, ""));
         }
 
         [TestMethod]

dotnet-client-libraries/ITextMergingPDFs/Tests/PasswordProtectedSourceTest.cs

@@ -0,0 +1,80 @@
+using System.Text;
+using iText.Kernel.Exceptions;
+using iText.Kernel.Geom;
+using iText.Kernel.Pdf;
+using iText.Kernel.Utils;
+using ITextMergingPDFs;
+
+namespace Tests
+{
+    [TestClass]
+    public class PasswordProtectedSourceTest
+    {
+        private FolderManager _folderManager = default!;
+
+        [TestInitialize]
+        public void Initialize()
+        {
+            _folderManager = FolderManager.CreateFolderManagerInTemporaryFolder("TestProtected");
+        }
+
+        [TestCleanup]
+        public void Cleanup()
+        {
+            _folderManager.DeletePDFDocumentsFolder();
+        }
+
+        private string CreateProtectedDocument()
+        {
+            var plainFile = BigDocument.CreateDocument(_folderManager.GetFullName("plain.pdf"), PageSize.A4);
+            var protectedFile = _folderManager.GetFullName("protected.pdf");
+
+            var writerProperties = new WriterProperties().SetStandardEncryption(
+                Encoding.ASCII.GetBytes("user-password"), Encoding.ASCII.GetBytes("owner-password"),
+                EncryptionConstants.ALLOW_PRINTING, EncryptionConstants.ENCRYPTION_AES_256);
+
+            using var reader = new PdfReader(plainFile);
+            using var writer = new PdfWriter(protectedFile, writerProperties);
+            using var pdfDocument = new PdfDocument(reader, writer);
+
+            return protectedFile;
+        }
+
+        [TestMethod]
+        public void GivenProtectedSource_WhenOpenedWithoutPassword_ThenExpectBadPasswordException()
+        {
+            var file = CreateProtectedDocument();
+
+            Assert.ThrowsExactly<BadPasswordException>(() =>
+            {
+                using var reader = new PdfReader(file);
+                using var srcPdfDocument = new PdfDocument(reader);
+            });
+        }
+
+        [TestMethod]
+        public void GivenProtectedSource_WhenOpenedWithPassword_ThenExpectMergedPages()
+        {
+            var file = CreateProtectedDocument();
+            var mergedFile = _folderManager.GetFullName("merged.pdf");
+            int expectedPages;
+
+            using (var writer = new PdfWriter(mergedFile))
+            using (var mergedPdfDocument = new PdfDocument(writer))
+            {
+                var pdfMerger = new PdfMerger(mergedPdfDocument);
+
+                var readerProperties = new ReaderProperties()
+                    .SetPassword(Encoding.ASCII.GetBytes("owner-password"));
+                using var reader = new PdfReader(file, readerProperties);
+                using var srcPdfDocument = new PdfDocument(reader);
+                pdfMerger.Merge(srcPdfDocument, 1, srcPdfDocument.GetNumberOfPages());
+                expectedPages = srcPdfDocument.GetNumberOfPages();
+            }
+
+            using var resultReader = new PdfReader(mergedFile);
+            using var result = new PdfDocument(resultReader);
+            Assert.AreEqual(expectedPages, result.GetNumberOfPages());
+        }
+    }
+}

dotnet-client-libraries/ITextMergingPDFs/Tests/SetCloseSourceDocumentsTest.cs

@@ -64,7 +64,7 @@ public void GivenTrueParameter_WhenCallingSetCloseSourceDocuments_ThenExpectAuto
             pdfMerger.Merge(sourcePdfDocument, 1, sourcePdfDocument.GetNumberOfPages());
 
             // document is not open, we can't use it
-            Assert.ThrowsException<PdfException>(() => { sourcePdfDocument.GetNumberOfPages(); });
+            Assert.ThrowsExactly<PdfException>(() => { sourcePdfDocument.GetNumberOfPages(); });
         }
 
         [TestMethod]

dotnet-client-libraries/ITextMergingPDFs/Tests/Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net11.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
@@ -10,10 +10,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
-    <PackageReference Include="coverlet.collector" Version="3.2.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.12.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.5.3" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.5.3" />
+    <PackageReference Include="coverlet.collector" Version="10.1.0" />
   </ItemGroup>
 
   <ItemGroup>