src/adg/tests/test-arrow.c

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2010,2011  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 void
  25 _adg_test_angle(void)
  26 {
  27     AdgArrow *arrow;
  28     gdouble valid_value, invalid_value;
  29     gdouble angle;
  30
  31     arrow = adg_arrow_new();
  32     valid_value = -G_PI_2;
  33     invalid_value = G_PI + 1;
  34
  35     /* Using the public APIs */
  36     adg_arrow_set_angle(arrow, valid_value);
  37     angle = adg_arrow_get_angle(arrow);
  38     g_assert_cmpfloat(angle, ==, valid_value);
  39
  40     adg_arrow_set_angle(arrow, -G_PI);
  41     angle = adg_arrow_get_angle(arrow);
  42     g_assert_cmpfloat(angle, ==, G_PI);
  43
  44     adg_arrow_set_angle(arrow, invalid_value);
  45     angle = adg_arrow_get_angle(arrow);
  46     g_assert_cmpfloat(angle, !=, invalid_value);
  47
  48     /* Using GObject property methods */
  49     g_object_set(arrow, "angle", valid_value, NULL);
  50     g_object_get(arrow, "angle", &angle, NULL);
  51     g_assert_cmpfloat(angle, ==, valid_value);
  52
  53     g_object_set(arrow, "angle", -G_PI, NULL);
  54     g_object_get(arrow, "angle", &angle, NULL);
  55     g_assert_cmpfloat(angle, ==, G_PI);
  56
  57     g_object_set(arrow, "angle", invalid_value, NULL);
  58     g_object_get(arrow, "angle", &angle, NULL);
  59     g_assert_cmpfloat(angle, !=, invalid_value);
  60
  61     adg_entity_destroy(ADG_ENTITY(arrow));
  62 }
  63
  64
  65 int
  66 main(int argc, char *argv[])
  67 {
  68     adg_test_init(&argc, &argv);
  69
  70     adg_test_add_func("/adg/arrow/angle", _adg_test_angle);
  71
  72     return g_test_run();
  73 }