1 files changed, 70 insertions, 0 deletions

diff --git a/src/libs/dutil/test/DUtilUnitTest/DirUtilTests.cpp b/src/libs/dutil/test/DUtilUnitTest/DirUtilTests.cpp
new file mode 100644
index 00000000..7643366f
--- /dev/null
+++ b/src/libs/dutil/test/DUtilUnitTest/DirUtilTests.cpp
@@ -0,0 +1,70 @@
+// 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 DirUtil
+    {
+    public:
+        [Fact]
+        void DirUtilTest()
+        {
+            HRESULT hr = S_OK;
+            LPWSTR sczCurrentDir = NULL;
+            LPWSTR sczGuid = NULL;
+            LPWSTR sczFolder = NULL;
+            LPWSTR sczSubFolder = NULL;
+
+            try
+            {
+                hr = GuidCreate(&sczGuid);
+                NativeAssert::Succeeded(hr, "Failed to create guid.");
+
+                hr = DirGetCurrent(&sczCurrentDir);
+                NativeAssert::Succeeded(hr, "Failed to get current directory.");
+
+                hr = PathConcat(sczCurrentDir, sczGuid, &sczFolder);
+                NativeAssert::Succeeded(hr, "Failed to combine current directory: '{0}' with Guid: '{1}'", sczCurrentDir, sczGuid);
+
+                BOOL fExists = DirExists(sczFolder, NULL);
+                Assert::False(fExists == TRUE);
+
+                hr = PathConcat(sczFolder, L"foo", &sczSubFolder);
+                NativeAssert::Succeeded(hr, "Failed to combine folder: '%ls' with subfolder: 'foo'", sczFolder);
+
+                hr = DirEnsureExists(sczSubFolder, NULL);
+                NativeAssert::Succeeded(hr, "Failed to create multiple directories: %ls", sczSubFolder);
+
+                // Test failure to delete non-empty folder.
+                hr = DirEnsureDelete(sczFolder, FALSE, FALSE);
+                Assert::Equal(HRESULT_FROM_WIN32(ERROR_DIR_NOT_EMPTY), hr);
+
+                hr = DirEnsureDelete(sczSubFolder, FALSE, FALSE);
+                NativeAssert::Succeeded(hr, "Failed to delete single directory: %ls", sczSubFolder);
+
+                // Put the directory back and we'll test deleting tree.
+                hr = DirEnsureExists(sczSubFolder, NULL);
+                NativeAssert::Succeeded(hr, "Failed to create single directory: %ls", sczSubFolder);
+
+                hr = DirEnsureDelete(sczFolder, FALSE, TRUE);
+                NativeAssert::Succeeded(hr, "Failed to delete directory tree: %ls", sczFolder);
+
+                // Finally, try to create "C:\" which would normally fail, but we want success
+                hr = DirEnsureExists(L"C:\\", NULL);
+                NativeAssert::Succeeded(hr, "Failed to create C:\\");
+            }
+            finally
+            {
+                ReleaseStr(sczSubFolder);
+                ReleaseStr(sczFolder);
+                ReleaseStr(sczGuid);
+                ReleaseStr(sczCurrentDir);
+            }
+        }
+    };
+}