1 files changed, 91 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstTime-3.cpp b/src/VBox/Runtime/testcase/tstTime-3.cpp
new file mode 100644
index 00000000..ad256bf7
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstTime-3.cpp
@@ -0,0 +1,91 @@
+/* $Id: tstTime-3.cpp $ */
+/** @file
+ * IPRT Testcase - Simple RTTime test.
+ */
+
+/*
+ * Copyright (C) 2006-2023 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>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/time.h>
+#include <iprt/stream.h>
+#include <iprt/string.h>
+#include <iprt/initterm.h>
+#include <iprt/thread.h>
+#include <iprt/errcore.h>
+
+
+
+int main(int argc, char **argv)
+{
+    RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_SUPLIB);
+
+    if (argc <= 1)
+    {
+        RTPrintf("tstTime-3: usage: tstTime-3 <seconds> [seconds2 [..]]\n");
+        return 1;
+    }
+
+    RTPrintf("tstTime-3: Testing difference between RTTimeNanoTS() and RTTimeSystemNanoTS()...\n");
+
+    for (int i = 1; i < argc; i++)
+    {
+        uint64_t cSeconds = 0;
+        int rc = RTStrToUInt64Ex(argv[i], NULL, 0, &cSeconds);
+        if (RT_FAILURE(rc))
+        {
+            RTPrintf("tstTime-3: Invalid argument %d: %s\n", i, argv[i]);
+            return 1;
+        }
+        RTPrintf("tstTime-3: %d - %RU64 seconds period...\n", i, cSeconds);
+
+        RTTimeNanoTS(); RTTimeSystemNanoTS(); RTThreadSleep(1);
+        uint64_t u64RTStartTS = RTTimeNanoTS();
+        uint64_t u64OSStartTS = RTTimeSystemNanoTS();
+
+        RTThreadSleep(cSeconds * 1000);
+
+        uint64_t u64RTElapsedTS = RTTimeNanoTS();
+        uint64_t u64OSElapsedTS = RTTimeSystemNanoTS();
+        u64RTElapsedTS -= u64RTStartTS;
+        u64OSElapsedTS -= u64OSStartTS;
+
+        RTPrintf("tstTime-3: %d -   RT: %16RU64 ns\n", i, u64RTElapsedTS);
+        RTPrintf("tstTime-3: %d -   OS: %16RU64 ns\n", i, u64OSElapsedTS);
+        RTPrintf("tstTime-3: %d - diff: %16RI64 ns\n", i, u64RTElapsedTS - u64OSElapsedTS);
+    }
+
+    return 0;
+}
+