Remove System.Management dependency

src/DiffEngine.Tests/GlobalUsings.cs

@@ -1 +1 @@
-global using EmptyFiles;
+global using EmptyFiles;

src/DiffEngine.Tests/WindowsProcessTests.cs

@@ -0,0 +1,56 @@
+#if NET5_0_OR_GREATER
+[System.Runtime.Versioning.SupportedOSPlatform("windows")]
+#endif
+public class WindowsProcessTests(ITestOutputHelper output) :
+    XunitContextBase(output)
+{
+    [Theory]
+    [InlineData("\"C:\\Program Files\\Beyond Compare 4\\BComp.exe\" C:\\temp\\file.1.txt C:\\temp\\file.2.txt", true)]
+    [InlineData("notepad.exe C:\\Users\\test\\doc.1.txt C:\\Users\\test\\doc.2.txt", true)]
+    [InlineData("\"C:\\diff\\tool.exe\" D:\\path\\to\\source.1.cs D:\\path\\to\\target.2.cs", true)]
+    [InlineData("code.exe --diff file.a.b file.c.d", true)]
+    [InlineData("app.exe path.with.dots path.more.dots", true)]
+    public void MatchesPattern_WithTwoFilePaths_ReturnsTrue(string commandLine, bool expected)
+    {
+        if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            return;
+        }
+
+        Assert.Equal(expected, WindowsProcess.MatchesPattern(commandLine));
+    }
+
+    [Theory]
+    [InlineData("notepad.exe")]
+    [InlineData("notepad.exe C:\\temp\\file.txt")]
+    [InlineData("cmd.exe /c dir")]
+    [InlineData("explorer.exe")]
+    [InlineData("")]
+    [InlineData("singleword")]
+    [InlineData("app.exe onepath.with.dots")]
+    public void MatchesPattern_WithoutTwoFilePaths_ReturnsFalse(string commandLine)
+    {
+        if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            return;
+        }
+
+        Assert.False(WindowsProcess.MatchesPattern(commandLine));
+    }
+
+    [Fact]
+    public void FindAll_ReturnsProcessCommands()
+    {
+        if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            return;
+        }
+
+        var result = WindowsProcess.FindAll();
+        Assert.NotNull(result);
+        foreach (var cmd in result)
+        {
+            Debug.WriteLine($"{cmd.Process}: {cmd.Command}");
+        }
+    }
+}

src/DiffEngine/DiffEngine.csproj

@@ -2,10 +2,11 @@
   <PropertyGroup>
     <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT'">net462;net472;net48;net9.0;net10.0</TargetFrameworks>
     <TargetFrameworks>$(TargetFrameworks);net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+    <AllowUnsafeBlocks Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup>
     <Using Include="DiffEngine" />
-    <Using Include="System.Management" />
+    <Using Include="System.Text" />
     <Using Include="Microsoft.Win32.SafeHandles" />
     <Using Include="System.Diagnostics.CodeAnalysis" />
     <Using Include="System.Net" />
@@ -19,10 +20,6 @@
     <PackageReference Include="EmptyFiles" PrivateAssets="None" />
     <PackageReference Include="Fody" PrivateAssets="all" />
     <PackageReference Include="Polyfill" PrivateAssets="all" />
-    <PackageReference Include="System.Management" />
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />
   </ItemGroup>
-  <Target Name="CheckPackageVersion" BeforeTargets="Build">
-    <Error Condition="'%(PackageVersion.Identity)' == 'System.Management' AND '%(PackageVersion.Version)' != '8.0.0'" Text="Invalid package version for System.Management. Expected: 8.0.0." />
-  </Target>
 </Project>