1 files changed, 60 insertions, 0 deletions

diff --git a/src/libs/dutil/test/DUtilUnitTest/GuidUtilTest.cpp b/src/libs/dutil/test/DUtilUnitTest/GuidUtilTest.cpp
new file mode 100644
index 00000000..a6e27a09
--- /dev/null
+++ b/src/libs/dutil/test/DUtilUnitTest/GuidUtilTest.cpp
@@ -0,0 +1,60 @@
+// 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 Xunit;
+using namespace WixBuildTools::TestSupport;
+
+namespace DutilTests
+{
+    public ref class GuidUtil
+    {
+    public:
+        [Fact]
+        void GuidCreateTest()
+        {
+            HRESULT hr = S_OK;
+            WCHAR wzGuid1[GUID_STRING_LENGTH];
+            WCHAR wzGuid2[GUID_STRING_LENGTH];
+
+            hr = GuidFixedCreate(wzGuid1);
+            NativeAssert::Succeeded(hr, "Failed to create first guid.");
+            Guid firstGuid = Guid::Parse(gcnew String(wzGuid1));
+
+            hr = GuidFixedCreate(wzGuid2);
+            NativeAssert::Succeeded(hr, "Failed to create second guid.");
+            Guid secondGuid = Guid::Parse(gcnew String(wzGuid2));
+
+            NativeAssert::NotStringEqual(wzGuid1, wzGuid2);
+            NativeAssert::NotEqual(firstGuid, secondGuid);
+        }
+
+        [Fact]
+        void GuidCreateSczTest()
+        {
+            HRESULT hr = S_OK;
+            LPWSTR sczGuid1 = NULL;
+            LPWSTR sczGuid2 = NULL;
+
+            try
+            {
+                hr = GuidCreate(&sczGuid1);
+                NativeAssert::Succeeded(hr, "Failed to create first guid.");
+                Guid firstGuid = Guid::Parse(gcnew String(sczGuid1));
+
+                hr = GuidCreate(&sczGuid2);
+                NativeAssert::Succeeded(hr, "Failed to create second guid.");
+                Guid secondGuid = Guid::Parse(gcnew String(sczGuid2));
+
+                NativeAssert::NotStringEqual(sczGuid1, sczGuid2);
+                NativeAssert::NotEqual(firstGuid, secondGuid);
+            }
+            finally
+            {
+                ReleaseStr(sczGuid1);
+                ReleaseStr(sczGuid2);
+            }
+        }
+    };
+}