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diff --git a/src/usr/testcore/lib/time.H b/src/usr/testcore/lib/time.H
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+//  IBM_PROLOG_BEGIN_TAG
+//  This is an automatically generated prolog.
+//
+//  $Source: src/usr/testcore/lib/time.H $
+//
+//  IBM CONFIDENTIAL
+//
+//  COPYRIGHT International Business Machines Corp. 2012
+//
+//  p1
+//
+//  Object Code Only (OCO) source materials
+//  Licensed Internal Code Source Materials
+//  IBM HostBoot Licensed Internal Code
+//
+//  The source code for this program is not published or other-
+//  wise divested of its trade secrets, irrespective of what has
+//  been deposited with the U.S. Copyright Office.
+//
+//  Origin: 30
+//
+//  IBM_PROLOG_END
+
+#ifndef __TESTCORE_LIB_TIME_H
+#define __TESTCORE_LIB_TIME_H
+
+#include <time.h>
+#include <sys/time.h>
+#include <errno.h>
+
+/** @file time.H
+ *  @brief Test cases for the time / sleep sub-system.
+ */
+
+class TimeTest : public CxxTest::TestSuite
+{
+    public:
+        /**
+         * Tests for the clock_gettime POSIX function.
+         */
+        void testClockGetTime()
+        {
+            timespec_t first, second;
+
+            if (-EINVAL != clock_gettime(CLOCK_REALTIME, &first))
+            {
+                TS_FAIL("CLOCK_REALTIME not implemented, but no EINVAL");
+            }
+
+            if (0 != clock_gettime(CLOCK_MONOTONIC, &first))
+            {
+                TS_FAIL("Unable to read monotonic clock");
+            }
+
+            nanosleep(0,1);
+
+            if (0 != clock_gettime(CLOCK_MONOTONIC, &second))
+            {
+                TS_FAIL("Unable to read monotonic clock");
+            }
+
+            if ((second.tv_sec <= first.tv_sec) &&
+                (second.tv_nsec <= first.tv_nsec))
+            {
+                TS_FAIL("Monotonic clock is not increasing.");
+            }
+        }
+};
+
+#endif