Add WPF test

src/Tests/E2ETests.cs

@@ -448,6 +448,14 @@ await RunMSBuildAsync(
             expectUnusedMsvcLibrariesLog: true);
     }
 
+    [TestMethod]
+    public Task WpfApp()
+    {
+        return RunMSBuildAsync(
+            projectFile: "WpfApp/WpfApp.csproj",
+            expectedWarnings: Array.Empty<Warning>());
+    }
+
     private static (string ExePath, string Verb) GetMsBuildExeAndVerb()
     {
         // On Windows, try to find Visual Studio

src/Tests/TestData/WpfApp/Dependency/Dependency.cs

@@ -0,0 +1,7 @@
+namespace Dependency
+{
+    public static class Foo
+    {
+        public static string Bar() => "Baz";
+    }
+}

src/Tests/TestData/WpfApp/Dependency/Dependency.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Library</OutputType>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

src/Tests/TestData/WpfApp/WpfApp/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="WpfApp.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WpfApp"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

src/Tests/TestData/WpfApp/WpfApp/App.xaml.cs

@@ -0,0 +1,15 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace WpfApp
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+        // Use the dependency
+        public string X = Dependency.Foo.Bar();
+    }
+}

src/Tests/TestData/WpfApp/WpfApp/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

src/Tests/TestData/WpfApp/WpfApp/MainWindow.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="WpfApp.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:WpfApp"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>

src/Tests/TestData/WpfApp/WpfApp/MainWindow.xaml.cs

@@ -0,0 +1,24 @@
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace WpfApp
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}

src/Tests/TestData/WpfApp/WpfApp/WpfApp.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../Dependency/Dependency.csproj" />
+  </ItemGroup>
+
+</Project>