new file mode 100644
--- /dev/null
+++ b/tests/test-sys_times.c
@@ -0,0 +1,29 @@
+/* Test of <sys/times.h> substitute.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+
+   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; either version 3 of the License, or
+   (at your option) any later version.
+
+   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 <http://www.gnu.org/licenses/>.  */
+
+/* Written by Simon Josefsson <simon@josefsson.org>, 2008.  */
+
+#include <config.h>
+
+#include <sys/times.h>
+
+struct tms tms;
+
+int
+main (void)
+{
+  return 0;
+}

new file mode 100644
--- /dev/null
+++ b/tests/test-times.c
@@ -0,0 +1,101 @@
+/* Test of times function.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+
+   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; either version 3 of the License, or
+   (at your option) any later version.
+
+   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 <http://www.gnu.org/licenses/>.  */
+
+/* Written by Simon Josefsson <simon@josefsson.org>, 2008.  */
+
+#include <config.h>
+
+#include <sys/times.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <math.h>
+
+static int
+doublecmp (const void *p, const void *q)
+{
+  double a = *(double *) p;
+  double b = *(double *) q;
+
+  return a < b;
+}
+
+int
+main (int argc, char *argv[])
+{
+  struct tms tms;
+  clock_t t;
+#ifndef _SC_CLK_TCK
+  clock_t clk_tck = CLK_TCK;
+#else
+  clock_t clk_tck = sysconf (_SC_CLK_TCK);
+#endif
+
+  t = times (&tms);
+  if (t == (clock_t) -1)
+    {
+      perror ("times");
+      return EXIT_FAILURE;
+    }
+
+  if (argc > 1)
+    {
+      printf ("clk_tck %ld\n", (long int) clk_tck);
+
+      printf ("t %ld\n", t);
+      printf ("tms.tms_utime %ldms\n", (tms.tms_utime * 1000) / clk_tck);
+      printf ("tms.tms_stime %ldms\n", (tms.tms_stime * 1000) / clk_tck);
+      printf ("tms.tms_cutime %ldms\n", (tms.tms_cutime * 1000) / clk_tck);
+      printf ("tms.tms_cstime %ldms\n", (tms.tms_cstime * 1000) / clk_tck);
+    }
+
+  if (argc > 1)
+    {
+      size_t size = atoi (argv[1]);
+      double *base;
+      size_t i;
+
+      base = malloc (size * sizeof (double));
+
+      for (i = 0; i < size; i++)
+	base[i] = i * i;
+
+      qsort (base, size, sizeof (double), doublecmp);
+
+      free (base);
+    }
+
+  t = times (&tms);
+  if (t == (clock_t) -1)
+    {
+      perror ("times");
+      return EXIT_FAILURE;
+    }
+
+  if (argc > 1)
+    {
+      printf ("clk_tck %ld\n", (long int) clk_tck);
+
+      printf ("t %ld\n", t);
+      printf ("tms.tms_utime %ldms\n", (tms.tms_utime * 1000) / clk_tck);
+      printf ("tms.tms_stime %ldms\n", (tms.tms_stime * 1000) / clk_tck);
+      printf ("tms.tms_cutime %ldms\n", (tms.tms_cutime * 1000) / clk_tck);
+      printf ("tms.tms_cstime %ldms\n", (tms.tms_cstime * 1000) / clk_tck);
+    }
+
+  return 0;
+}