ArthurHub · eXpl0it3r · Jul 28, 2026 · Jul 28, 2026
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -52,9 +52,17 @@ jobs:
       run: dotnet build Source/HtmlRenderer.sln --configuration Release --no-restore
 
     - name: Run Tests
+      if: runner.os == 'Windows'
       run: dotnet test Source/HtmlRenderer.sln --configuration Release --no-build --logger trx --results-directory ${{ github.workspace }}/TestResults
       env:
         PDF_OUTPUT_DIRECTORY: ${{ github.workspace }}/pdf-artifacts/${{ matrix.platform.name }}-${{ matrix.dotnet.name }}
+        HTML_RENDERER_REGRESSION_OUTPUT_DIRECTORY: ${{ github.workspace }}/image-regression/${{ matrix.platform.name }}-${{ matrix.dotnet.name }}
+
+    - name: Run Tests
+      if: runner.os != 'Windows'
+      run: dotnet test Source/Test/**/*.Test.csproj --configuration Release --no-build --logger trx --results-directory ${{ github.workspace }}/TestResults
+      env:
+        PDF_OUTPUT_DIRECTORY: ${{ github.workspace }}/pdf-artifacts/${{ matrix.platform.name }}-${{ matrix.dotnet.name }}
 
     - name: Create HtmlRenderer.Core NuGet package
       run: dotnet pack Source/HtmlRenderer/HtmlRenderer.csproj --configuration Release --include-symbols -p:SymbolPackageFormat=snupkg --no-build --verbosity normal --output ${{ env.NuGetDirectory }}
@@ -82,6 +90,14 @@ jobs:
         path: ${{ github.workspace }}/pdf-artifacts/**/*.pdf
         if-no-files-found: ignore
 
+    - name: Upload image regression artifacts
+      if: always()
+      uses: actions/upload-artifact@v7
+      with:
+        name: "Image regression artifacts (${{ matrix.platform.name }} ${{ matrix.dotnet.name }})"
+        path: ${{ github.workspace }}/image-regression/**/*.png
+        if-no-files-found: ignore
+
     - name: NuGet Login
       if: startsWith(github.ref, 'refs/tags/') && matrix.dotnet.name == '.NET 8' && runner.os == 'Windows'
       uses: NuGet/login@v1

diff --git a/Source/HtmlRenderer.sln b/Source/HtmlRenderer.sln
@@ -23,6 +23,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Test", "Test", "{E508FA78-D
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HtmlRenderer.PdfSharp.Test", "Test\HtmlRenderer.PdfSharp.Test\HtmlRenderer.PdfSharp.Test.csproj", "{AF39851E-37B9-409E-A34D-CE091A098C86}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HtmlRenderer.Test", "Test\HtmlRenderer.IntegrationTest\HtmlRenderer.IntegrationTest.csproj", "{A12F4432-337B-4030-B834-5D312A9FB16C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -115,6 +117,18 @@ Global
 		{AF39851E-37B9-409E-A34D-CE091A098C86}.Release|Mixed Platforms.Build.0 = Release|Any CPU
 		{AF39851E-37B9-409E-A34D-CE091A098C86}.Release|x86.ActiveCfg = Release|Any CPU
 		{AF39851E-37B9-409E-A34D-CE091A098C86}.Release|x86.Build.0 = Release|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Debug|x86.Build.0 = Debug|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Release|x86.ActiveCfg = Release|Any CPU
+		{A12F4432-337B-4030-B834-5D312A9FB16C}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -124,6 +138,7 @@ Global
 		{8AD34FE8-8382-4A8A-B3AA-A0392ED42423} = {E263EA16-2E6A-4269-A319-AA2F97ADA8E1}
 		{F02E0216-4AE3-474F-9381-FCB93411CDB0} = {E263EA16-2E6A-4269-A319-AA2F97ADA8E1}
 		{AF39851E-37B9-409E-A34D-CE091A098C86} = {E508FA78-D57E-492F-9BF7-23640001848A}
+		{A12F4432-337B-4030-B834-5D312A9FB16C} = {E508FA78-D57E-492F-9BF7-23640001848A}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {902788D6-3165-491D-B860-DF2F74E66C1D}

diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/ACID 1.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/ACID 1.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Anchors.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Anchors.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Background Image.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Background Image.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/BlockInInline.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/BlockInInline.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Blockquotes.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Blockquotes.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Borders.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Borders.png
diff --git a/...e/Test/HtmlRenderer.IntegrationTest/Baselines/Breaking pages 1 - Paragraphs.png b/...e/Test/HtmlRenderer.IntegrationTest/Baselines/Breaking pages 1 - Paragraphs.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Breaking pages 2 - Tables.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Breaking pages 2 - Tables.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Bullets.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Bullets.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/External Image.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/External Image.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Fixed position.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Fixed position.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Fonts decorations.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Fonts decorations.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Header.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Header.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Iframes.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Iframes.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Image in css content.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Image in css content.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Images.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Images.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Inline.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Inline.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Languages.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Languages.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Line break.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Line break.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/LineHeight.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/LineHeight.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Many images.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Many images.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/MaxWidth.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/MaxWidth.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Misc.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Misc.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Paragraphs.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Paragraphs.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/RTL.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/RTL.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Tables.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Tables.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Text.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/Text.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/Baselines/White-space.png b/Source/Test/HtmlRenderer.IntegrationTest/Baselines/White-space.png
diff --git a/Source/Test/HtmlRenderer.IntegrationTest/HtmlRenderer.IntegrationTest.csproj b/Source/Test/HtmlRenderer.IntegrationTest/HtmlRenderer.IntegrationTest.csproj
@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <EnableWindowsTargeting>true</EnableWindowsTargeting>
+        <LangVersion>latest</LangVersion>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="MSTest" Version="4.3.3" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\..\Demo\Common\HtmlRenderer.Demo.Common.csproj" />
+        <ProjectReference Include="..\..\HtmlRenderer.WinForms\HtmlRenderer.WinForms.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="Microsoft.VisualStudio.TestTools.UnitTesting"/>
+    </ItemGroup>
+
+</Project>