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diff --git a/src/VBox/Main/testcase/tstSafeArray.cpp b/src/VBox/Main/testcase/tstSafeArray.cpp
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+++ b/src/VBox/Main/testcase/tstSafeArray.cpp
@@ -0,0 +1,106 @@
+/* $Id: tstSafeArray.cpp $ */
+/** @file
+ * API Glue Testcase - SafeArray.
+ */
+
+/*
+ * Copyright (C) 2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <VBox/com/array.h>
+#include <VBox/com/string.h>
+
+#include <iprt/mem.h>
+#include <iprt/rand.h>
+#include <iprt/string.h>
+#include <iprt/test.h>
+#include <iprt/uni.h>
+
+
+int main()
+{
+    RTTEST      hTest;
+    RTEXITCODE  rcExit = RTTestInitAndCreate("tstSafeArray", &hTest);
+    if (rcExit == RTEXITCODE_SUCCESS)
+    {
+        RTTestBanner(hTest);
+
+        /* Sizes / Pre-allocations. */
+        com::SafeArray<int> aInt;
+        RTTESTI_CHECK(aInt.size() == 0);
+
+        com::SafeArray<int> aInt2(42);
+        RTTESTI_CHECK(aInt2.size() == 42);
+        aInt2.setNull();
+        RTTESTI_CHECK(aInt2.size() == 0);
+        aInt2.resize(42);
+        RTTESTI_CHECK(aInt2.size() == 42);
+        aInt2.setNull();
+
+        com::SafeArray<int> aInt3((size_t)0);
+        RTTESTI_CHECK(aInt3.size() == 0);
+        aInt3.setNull();
+        RTTESTI_CHECK(aInt3.size() == 0);
+
+        /* Push to back. */
+        int aPushToBack[] = { 51, 52, 53 };
+        for (size_t i = 0; i < RT_ELEMENTS(aPushToBack); i++)
+        {
+            RTTESTI_CHECK(aInt.push_back(aPushToBack[i]));
+            RTTESTI_CHECK(aInt.size() == i + 1);
+            RTTESTI_CHECK(aInt[i] == aPushToBack[i]);
+        }
+        for (size_t i = 0; i < RT_ELEMENTS(aPushToBack); i++)
+            RTTESTI_CHECK_MSG(aInt[i] == aPushToBack[i], ("Got %d, expected %d\n", aInt[i], aPushToBack[i]));
+
+        aInt.setNull();
+
+        /* Push to front. */
+        int aPushToFront[] = { 41, 42, 43 };
+        for (size_t i = 0; i < RT_ELEMENTS(aPushToFront); i++)
+        {
+            RTTESTI_CHECK(aInt.push_front(aPushToFront[i]));
+            RTTESTI_CHECK(aInt.size() == i + 1);
+            RTTESTI_CHECK(aInt[0] == aPushToFront[i]);
+        }
+        for (size_t i = 0; i < RT_ELEMENTS(aPushToFront); i++)
+            RTTESTI_CHECK_MSG(aInt[i] == aPushToFront[RT_ELEMENTS(aPushToFront) - i - 1],
+                              ("Got %d, expected %d\n", aInt[i], aPushToFront[RT_ELEMENTS(aPushToFront) - i - 1]));
+
+        /* A bit more data. */
+        aInt.setNull();
+        for (size_t i = 0; i < RTRandU32Ex(_4K, _64M); i++)
+        {
+            RTTESTI_CHECK(aInt.push_front(42));
+            RTTESTI_CHECK(aInt.push_back(41));
+            RTTESTI_CHECK(aInt.size() == (i + 1) * 2);
+        }
+        aInt.setNull();
+
+        rcExit = RTTestSummaryAndDestroy(hTest);
+    }
+    return rcExit;
+}
+