/* Test the gnulib getprogname module.

   Copyright (C) 2016-2017 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/>.  */

#include <config.h>

#include "getprogname.h"

#include <string.h>

#include <assert.h>

#ifdef __hpux

# define STREQ(a, b) (strncmp (a, b, 14) == 0)

#else

# define STREQ(a, b) (strcmp (a, b) == 0)

#endif

int

main (void)

{

  char const *p = getprogname ();

  /* libtool creates a temporary executable whose name is sometimes prefixed

     with "lt-" (depends on the platform).  But the name of the temporary

     executable is a detail that should not be visible to the end user and to

     the test suite.  Remove this "lt-" prefix here.  */

  if (strncmp (p, "lt-", 3) == 0)

    p += 3;

  /* Note: You can make this test fail

     a) by running it on a case-insensitive file system (such as on Windows,

        Cygwin, or on Mac OS X with a case-insensitive HFS+ file system),

        with an invocation that contains upper case characters, e.g.

        test-GETPROGNAME,

     b) by hardlinking or symlinking it to a different name (e.g. test-foo)

        and invoking it through that name.

     That's not the intended use. The Makefile always invokes it as

     'test-getprogname${EXEEXT}'. */

#if defined __CYGWIN__

  /* The Cygwin getprogname() function strips the ".exe" suffix. */

  assert (STREQ (p, "test-getprogname"));

#else

  assert (STREQ (p, "test-getprogname" EXEEXT));

#endif

  return 0;

}