Tests for modules 'getopt-posix', 'getopt-gnu'.

[gnulib.git] / tests / test-getopt.c

diff --git a/tests/test-getopt.c b/tests/test-getopt.c
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+/* Test of command line argument processing.
+   Copyright (C) 2009 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 Bruno Haible <bruno@clisp.org>, 2009.  */
+
+#include <config.h>
+
+#if GNULIB_GETOPT_GNU
+# include <getopt.h>
+#endif
+#include <unistd.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define ASSERT(expr) \
+  do                                                                        \
+    {                                                                       \
+      if (!(expr))                                                          \
+        {                                                                   \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);                                                  \
+          abort ();                                                         \
+        }                                                                   \
+    }                                                                       \
+  while (0)
+
+/* The glibc/gnulib implementation of getopt supports setting optind = 0,
+   but other implementations don't.  */
+#if defined __GETOPT_PREFIX || (__GLIBC__ >= 2)
+# define OPTIND_MIN 0
+#else
+# define OPTIND_MIN 1
+#endif
+
+#include "test-getopt.h"
+#if GNULIB_GETOPT_GNU
+# include "test-getopt_long.h"
+#endif
+
+int
+main ()
+{
+  unsetenv ("POSIXLY_CORRECT");
+
+  test_getopt ();
+#if GNULIB_GETOPT_GNU
+  test_getopt_long ();
+#endif
+
+  return 0;
+}