--- a/ChangeLog	Mon Jun 30 01:44:56 2008 +0200
+++ b/ChangeLog	Tue Jul 01 14:55:29 2008 +0200
@@ -1,3 +1,9 @@
+2008-07-01  Simon Josefsson  <simon@josefsson.org>
+
+	Add self-test for getdate module.
+	* modules/getdate-tests: New file.
+	* tests/test-getdate.c: New file.
+
 2008-06-29  Bruno Haible  <bruno@clisp.org>
 
 	* gnulib-tool (func_import): Put gnulib-comp.m4 into .cvsignore or

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/getdate-tests	Tue Jul 01 14:55:29 2008 +0200
@@ -0,0 +1,11 @@
+Files:
+tests/test-getdate.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-getdate
+check_PROGRAMS += test-getdate
+test_getdate_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-getdate.c	Tue Jul 01 14:55:29 2008 +0200
@@ -0,0 +1,89 @@
+/* Test of getdate() 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, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Simon Josefsson <simon@josefsson.org>, 2008.  */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "getdate.h"
+
+#define ASSERT(expr)							\
+  do									\
+    {									\
+      if (!(expr))							\
+	{								\
+	  fprintf (stderr, "%s:%d: assertion failed\n",			\
+		   __FILE__, __LINE__);					\
+	  fflush (stderr);						\
+	  abort ();							\
+	}								\
+    }									\
+  while (0)
+
+#ifdef DEBUG
+#define LOG(str, now, res)						\
+  printf ("string `%s' diff %d %d\n",			\
+	  str, res.tv_sec - now.tv_sec, res.tv_nsec - now.tv_nsec);
+#else
+#define LOG(str, now, res) 0
+#endif
+
+int
+main (int argc, char **argv)
+{
+  bool ret;
+  struct timespec result;
+  struct timespec now;
+  const char *p;
+
+  now.tv_sec = 4711;
+  now.tv_nsec = 1267;
+  p = "now";
+  ASSERT (get_date (&result, p, &now));
+  LOG (p, now, result);
+  ASSERT (now.tv_sec == result.tv_sec && now.tv_nsec == result.tv_nsec);
+
+  now.tv_sec = 4711;
+  now.tv_nsec = 1267;
+  p = "tomorrow";
+  ASSERT (get_date (&result, p, &now));
+  LOG (p, now, result);
+  ASSERT (now.tv_sec + 24 * 60 * 60 == result.tv_sec
+	  && now.tv_nsec == result.tv_nsec);
+
+  now.tv_sec = 4711;
+  now.tv_nsec = 1267;
+  p = "yesterday";
+  ASSERT (get_date (&result, p, &now));
+  LOG (p, now, result);
+  ASSERT (now.tv_sec - 24 * 60 * 60 == result.tv_sec
+	  && now.tv_nsec == result.tv_nsec);
+
+  now.tv_sec = 4711;
+  now.tv_nsec = 1267;
+  p = "4 hours";
+  ASSERT (get_date (&result, p, &now));
+  LOG (p, now, result);
+  ASSERT (now.tv_sec + 4 * 60 * 60 == result.tv_sec
+	  && now.tv_nsec == result.tv_nsec);
+
+  return 0;
+}