1 files changed, 26 insertions, 0 deletions

diff --git a/src/libs/dutil/test/DUtilUnitTest/error.cpp b/src/libs/dutil/test/DUtilUnitTest/error.cpp
new file mode 100644
index 00000000..e51971c3
--- /dev/null
+++ b/src/libs/dutil/test/DUtilUnitTest/error.cpp
@@ -0,0 +1,26 @@
+// 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"
+
+const int ERROR_STRING_BUFFER = 1024;
+
+static char szMsg[ERROR_STRING_BUFFER];
+static WCHAR wzMsg[ERROR_STRING_BUFFER];
+
+void CALLBACK DutilTestTraceError(
+    __in_z LPCSTR /*szFile*/,
+    __in int /*iLine*/,
+    __in REPORT_LEVEL /*rl*/,
+    __in UINT source,
+    __in HRESULT hrError,
+    __in_z __format_string LPCSTR szFormat,
+    __in va_list args
+    )
+{
+    if (DUTIL_SOURCE_EXTERNAL == source)
+    {
+        ::StringCchPrintfA(szMsg, countof(szMsg), szFormat, args);
+        MultiByteToWideChar(CP_ACP, 0, szMsg, -1, wzMsg, countof(wzMsg));
+        throw gcnew System::Exception(System::String::Format("hr = 0x{0:X8}, message = {1}", hrError, gcnew System::String(wzMsg)));
+    }
+}