src/adg/tests/test-dash.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 void
  25 _adg_test_dashes(void)
  26 {
  27     AdgDash *dash;
  28     gint num_dashes;
  29     const gdouble *dashes;
  30     const gdouble dashes_array[] = { 1., 2., 3. };
  31
  32     dash = adg_dash_new();
  33     g_assert(dash != NULL);
  34     num_dashes = adg_dash_get_num_dashes(dash);
  35     g_assert_cmpint(num_dashes, ==, 0);
  36     dashes = adg_dash_get_dashes(dash);
  37     g_assert(dashes == NULL);
  38
  39     adg_dash_append_dash(dash, 1234.);
  40     num_dashes = adg_dash_get_num_dashes(dash);
  41     g_assert_cmpint(num_dashes, ==, 1);
  42     dashes = adg_dash_get_dashes(dash);
  43     g_assert(dashes != NULL);
  44     g_assert_cmpfloat(dashes[0], ==, 1234.);
  45
  46     adg_dash_append_dashes(dash, 2, 0., 4321.);
  47     num_dashes = adg_dash_get_num_dashes(dash);
  48     g_assert_cmpint(num_dashes, ==, 3);
  49     dashes = adg_dash_get_dashes(dash);
  50     g_assert(dashes != NULL);
  51     g_assert_cmpfloat(dashes[0], ==, 1234.);
  52     g_assert_cmpfloat(dashes[1], ==, 0.);
  53     g_assert_cmpfloat(dashes[2], ==, 4321.);
  54
  55     adg_dash_clear_dashes(dash);
  56     num_dashes = adg_dash_get_num_dashes(dash);
  57     g_assert_cmpint(num_dashes, ==, 0);
  58     dashes = adg_dash_get_dashes(dash);
  59     g_assert(dashes == NULL);
  60
  61     adg_dash_append_dashes_array(dash, 3, dashes_array);
  62     num_dashes = adg_dash_get_num_dashes(dash);
  63     g_assert_cmpint(num_dashes, ==, 3);
  64     dashes = adg_dash_get_dashes(dash);
  65     g_assert(dashes != NULL);
  66     g_assert_cmpfloat(dashes[0], ==, 1.);
  67     g_assert_cmpfloat(dashes[1], ==, 2.);
  68     g_assert_cmpfloat(dashes[2], ==, 3.);
  69
  70     adg_dash_destroy(dash);
  71
  72     dash = adg_dash_new_with_dashes(3, 1., 2., 3.);
  73     g_assert(dash != NULL);
  74     num_dashes = adg_dash_get_num_dashes(dash);
  75     g_assert_cmpint(num_dashes, ==, 3);
  76     dashes = adg_dash_get_dashes(dash);
  77     g_assert(dashes != NULL);
  78     g_assert_cmpfloat(dashes[0], ==, 1.);
  79     g_assert_cmpfloat(dashes[1], ==, 2.);
  80     g_assert_cmpfloat(dashes[2], ==, 3.);
  81
  82     adg_dash_destroy(dash);
  83 }
  84
  85 static void
  86 _adg_test_offset(void)
  87 {
  88     AdgDash *dash;
  89     gdouble offset;
  90
  91     dash = adg_dash_new();
  92
  93     /* Ensure the default is 0 */
  94     offset = adg_dash_get_offset(dash);
  95     g_assert_cmpfloat(offset, ==, 0);
  96
  97     /* Check some special values */
  98     adg_dash_set_offset(dash, G_MINDOUBLE);
  99     offset = adg_dash_get_offset(dash);
 100     g_assert_cmpfloat(offset, ==, G_MINDOUBLE);
 101
 102     adg_dash_set_offset(dash, G_MAXDOUBLE);
 103     offset = adg_dash_get_offset(dash);
 104     g_assert_cmpfloat(offset, ==, G_MAXDOUBLE);
 105
 106     adg_dash_set_offset(dash, 0);
 107     offset = adg_dash_get_offset(dash);
 108     g_assert_cmpfloat(offset, ==, 0);
 109
 110     adg_dash_destroy(dash);
 111 }
 112
 113
 114 int
 115 main(int argc, char *argv[])
 116 {
 117     adg_test_init(&argc, &argv);
 118
 119     adg_test_add_func("/adg/dash/dashes", _adg_test_dashes);
 120     adg_test_add_func("/adg/dash/offset", _adg_test_offset);
 121
 122     return g_test_run();
 123 }