1 files changed, 42 insertions, 0 deletions

diff --git a/src/libs/dutil/test/DUtilUnitTest/ProcUtilTest.cpp b/src/libs/dutil/test/DUtilUnitTest/ProcUtilTest.cpp
new file mode 100644
index 00000000..297d90f4
--- /dev/null
+++ b/src/libs/dutil/test/DUtilUnitTest/ProcUtilTest.cpp
@@ -0,0 +1,42 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+#include "precomp.h"
+
+using namespace System;
+using namespace System::Security::Principal;
+using namespace Xunit;
+using namespace WixBuildTools::TestSupport;
+
+namespace DutilTests
+{
+    public ref class ProcUtil
+    {
+    public:
+        [Fact]
+        void ProcTokenUserTest()
+        {
+            HRESULT hr = S_OK;
+            TOKEN_USER* pTokenUser = NULL;
+            LPWSTR sczSid = NULL;
+
+            try
+            {
+                hr = ProcTokenUser(::GetCurrentProcess(), &pTokenUser);
+                NativeAssert::Succeeded(hr, "Failed to get TokenUser for current process.");
+
+                if (!::ConvertSidToStringSidW(pTokenUser->User.Sid, &sczSid))
+                {
+                    hr = HRESULT_FROM_WIN32(::GetLastError());
+                    NativeAssert::Succeeded(hr, "Failed to get string SID from TokenUser SID.");
+                }
+
+                Assert::Equal<String^>(WindowsIdentity::GetCurrent()->User->Value, gcnew String(sczSid));
+            }
+            finally
+            {
+                ReleaseMem(pTokenUser);
+                ReleaseStr(sczSid);
+            }
+        }
+    };
+}