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# slist.at -- test slist.c                   -*- Autotest -*-
#
#   Copyright (C) 2009, 2011-2015 Free Software Foundation, Inc.
#
#   This file is part of GNU Libtool.
#
# GNU Libtool 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 2 of
# the License, or (at your option) any later version.
#
# GNU Libtool 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 GNU Libtool; see the file COPYING.  If not, a copy
# can be downloaded from  http://www.gnu.org/licenses/gpl.html,
# or obtained by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
####

AT_SETUP([SList functionality])

AT_DATA([test-slist.c], [[
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <stdio.h>
#include "slist.h"

#define STREQ(s1, s2)	(strcmp ((s1), (s2)) == 0)

void *find_string (SList *item, void *data)
{
  if (data != NULL && STREQ ((const char *) item->userdata, (const char *)data))
    return item;
  else
    return NULL;
}

void boxed_delete (void *item)
{
  free (slist_unbox ((SList *) item));
}

void *print_item (SList *item, void *userdata)
{
  userdata = userdata; /* unused */
  printf ("%s\n", (const char*)item->userdata);
  return NULL;
}

int list_compare (const SList *item1, const SList *item2, void *userdata)
{
  userdata = userdata;
  return strcmp ((const char *) item1->userdata, (const char *)item2->userdata);
}

int main ()
{
  int i;
  SList *empty_list = NULL, *list = NULL, *item, *list_save;
  char *data = NULL;

  /* slist_cons */
  list = slist_cons (NULL, NULL);

  for (i=0; i < 10; ++i) {
    data = (char *) malloc (42);
    assert (data);
    sprintf (data, "foo%d", i);
    list = slist_cons (slist_box (data), list);
  }
  list_save = list;
  list = slist_cons (NULL, list);
  assert (list == list_save);


  /* slist_find */
  assert (slist_find (NULL, find_string, (void *) "whatever") == NULL);
  assert (slist_find (empty_list, find_string, (void *) "whatever") == NULL);
  assert (slist_find (list, find_string, (void *) "foo10") == NULL);
  item = (SList *) slist_find (list, find_string, (void *) "foo1");
  assert (item != NULL);
  assert (STREQ ((const char *) item->userdata, "foo1"));

  item = slist_nth (list, 10);
  assert (item != NULL && STREQ ((const char *) item->userdata, "foo0"));

  puts ("list as inserted:");
  slist_foreach (list, print_item, NULL);
  puts ("reversed list:");
  list = slist_reverse (list);
  slist_foreach (list, print_item, NULL);

  item = slist_nth (list, 1);
  assert (item != NULL && STREQ ((const char *) item->userdata, "foo0"));

  assert (10 == slist_length (list));

  /* slist_tail is the second item, not the last one */
  item = slist_tail (list);
  assert (item != NULL && STREQ ((const char *) item->userdata, "foo1"));

  assert (slist_tail (slist_nth (list, 10)) == NULL);

  /* slist_sort and implicitly, slist_sort_merge */
  assert (slist_sort (NULL, list_compare, NULL) == NULL);
  list = slist_sort (list, list_compare, NULL);
  puts ("list after no-op sort:");
  slist_foreach (list, print_item, NULL);

  list = slist_reverse (list);
  puts ("reversed list:");
  slist_foreach (list, print_item, NULL);
  puts ("sorting reversed list:");
  list = slist_sort (list, list_compare, NULL);
  slist_foreach (list, print_item, NULL);

  /* slist_remove */
  assert (slist_remove (NULL, find_string, NULL) == NULL);
  assert (slist_remove (&empty_list, find_string, NULL) == NULL);

  list_save = list;
  assert (slist_remove (&list, find_string, NULL) == NULL);
  assert (list_save == list);

  /* remove entries: middle, last, first, not present */
  /* slist_reverse above has left us with increasing order */
  list_save = list;
  item = slist_remove (&list, find_string, (void *) "foo5");
  assert (list_save == list);
  assert (item != NULL && STREQ (data = (char *) slist_unbox (item), "foo5"));
  free (data);

  list_save = list;
  item = slist_remove (&list, find_string, (void *) "foo9");
  assert (list_save == list);
  assert (item != NULL && STREQ (data = (char *) slist_unbox (item), "foo9"));
  free (data);

  list_save = list;
  item = slist_remove (&list, find_string, (void *) "foo0");
  assert (list_save != list);
  assert (item != NULL && STREQ (data = (char *) slist_unbox (item), "foo0"));
  free (data);

  list_save = list;
  item = slist_remove (&list, find_string, (void *) "foo5");
  assert (list_save == list);
  assert (item == NULL);

  assert (slist_delete (list, boxed_delete) == NULL);
  return 0;
}
]])

CPPFLAGS="-I$top_srcdir/libltdl -I$top_srcdir/libltdl/libltdl -I$abs_top_builddir"
AT_CHECK([$CC $CPPFLAGS $CFLAGS -c test-slist.c],
	 [], [ignore], [ignore])
AT_CHECK([$CC $CPPFLAGS $CFLAGS -c $top_srcdir/libltdl/slist.c],
	 [], [ignore], [ignore])
AT_CHECK([$CC $CFLAGS $LDFLAGS -o test-slist test-slist.$OBJEXT slist.$OBJEXT],
	 [], [ignore], [ignore])
LT_AT_EXEC_CHECK([./test-slist], [], [ignore], [ignore])

AT_CLEANUP