src/adg/tests/test-trail.c

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007,2008,2009,2010,2011,2012,2013  Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20
  21 #include "test-internal.h"
  22
  23
  24 static cairo_path_t *
  25 _adg_path_callback(AdgTrail *trail, gpointer user_data)
  26 {
  27     static cairo_path_data_t data[] = {
  28         { .header = { CPML_MOVE, 2 }},
  29         { .point = { 0, 1 }},
  30         { .header = { CPML_LINE, 2 }},
  31         { .point = { 2, 3 }},
  32         { .header = { CPML_LINE, 2 }},
  33         { .point = { 4, 5 }}
  34     };
  35     static cairo_path_t path = {
  36         CAIRO_STATUS_SUCCESS,
  37         data,
  38         G_N_ELEMENTS(data)
  39     };
  40
  41     return &path;
  42 }
  43
  44
  45 static void
  46 _adg_test_max_angle(void)
  47 {
  48     AdgTrail *trail;
  49     gdouble valid_value, invalid_value;
  50     gdouble max_angle;
  51
  52     trail = adg_trail_new(_adg_path_callback, NULL);
  53     valid_value = G_PI / 10;
  54     invalid_value = G_PI + 1;
  55
  56     /* Using the public APIs */
  57     adg_trail_set_max_angle(trail, valid_value);
  58     max_angle = adg_trail_get_max_angle(trail);
  59     g_assert_cmpfloat(max_angle, ==, valid_value);
  60
  61     adg_trail_set_max_angle(trail, invalid_value);
  62     max_angle = adg_trail_get_max_angle(trail);
  63     g_assert_cmpfloat(max_angle, !=, invalid_value);
  64
  65     /* Using GObject property methods */
  66     g_object_set(trail, "max-angle", valid_value, NULL);
  67     g_object_get(trail, "max-angle", &max_angle, NULL);
  68     g_assert_cmpfloat(max_angle, ==, valid_value);
  69
  70     g_object_set(trail, "max-angle", invalid_value, NULL);
  71     g_object_get(trail, "max-angle", &max_angle, NULL);
  72     g_assert_cmpfloat(max_angle, !=, invalid_value);
  73
  74     g_object_unref(trail);
  75 }
  76
  77
  78 int
  79 main(int argc, char *argv[])
  80 {
  81     adg_test_init(&argc, &argv);
  82
  83     adg_test_add_func("/adg/trail/max-angle", _adg_test_max_angle);
  84
  85     return g_test_run();
  86 }