tests/storage/pointer.c

   1 /* Copyright (C) 2013-2017 Roland Lutz
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; if not, write to the Free Software Foundation,
  15    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  16
  17 #include <xornstorage.h>
  18 #include <assert.h>
  19 #include <string.h>
  20
  21 static int refcnt0 = 0, refcnt1 = 0;
  22
  23
  24 static void inc(int *val)
  25 {
  26         (*val)++;
  27 }
  28
  29 static void dec(int *val)
  30 {
  31         (*val)--;
  32 }
  33
  34 int main(void)
  35 {
  36         xorn_revision_t rev;
  37         xorn_object_t ob0, ob1;
  38         struct xornsch_component component_data;
  39         struct xornsch_picture picture_data;
  40         xorn_selection_t sel0, sel1;
  41
  42         assert(rev = xorn_new_revision(NULL));
  43
  44         memset(&component_data, 0, sizeof component_data);
  45         component_data.symbol.ptr = &refcnt0;
  46         component_data.symbol.incref = (void (*)(void *))inc;
  47         component_data.symbol.decref = (void (*)(void *))dec;
  48
  49         assert(ob0 = xornsch_add_component(rev, &component_data, NULL));
  50         assert(refcnt0 == 1);
  51
  52         memset(&picture_data, 0, sizeof picture_data);
  53         picture_data.pixmap.ptr = &refcnt1;
  54         picture_data.pixmap.incref = (void (*)(void *))inc;
  55         picture_data.pixmap.decref = (void (*)(void *))dec;
  56
  57         assert(ob1 = xornsch_add_picture(rev, &picture_data, NULL));
  58         assert(refcnt0 == 1);
  59         assert(refcnt1 == 1);
  60
  61         assert(sel0 = xorn_select_all(rev));
  62         assert(sel1 = xorn_copy_objects(rev, rev, sel0, NULL));
  63         assert(refcnt0 != 0);
  64         assert(refcnt1 != 0);
  65
  66         memset(&picture_data, 0, sizeof picture_data);
  67         assert(xornsch_set_picture_data(rev, ob1, &picture_data, NULL) == 0);
  68         assert(refcnt0 != 0);
  69         assert(refcnt1 != 0);
  70
  71         assert(xorn_delete_selected_objects(rev, sel1, NULL) == 0);
  72         assert(refcnt0 == 1);
  73         assert(refcnt1 == 0);
  74         xorn_free_selection(sel1);
  75         xorn_free_selection(sel0);
  76
  77         xorn_free_revision(rev);
  78         assert(refcnt0 == 0);
  79         assert(refcnt1 == 0);
  80
  81         return 0;
  82 }