src/adg/tests/test-dash.c

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007-2021  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 <adg-test.h>
  22 #include <adg.h>
  23
  24
  25 static void
  26 _adg_property_dashes(void)
  27 {
  28     AdgDash *dash;
  29     gint num_dashes;
  30     const gdouble *dashes;
  31     const gdouble dashes_array[] = { 1., 2., 3. };
  32
  33     dash = adg_dash_new();
  34     g_assert_nonnull(dash);
  35     num_dashes = adg_dash_get_num_dashes(dash);
  36     g_assert_cmpint(num_dashes, ==, 0);
  37     dashes = adg_dash_get_dashes(dash);
  38     g_assert_null(dashes);
  39
  40     adg_dash_append_dash(dash, 1234.);
  41     num_dashes = adg_dash_get_num_dashes(dash);
  42     g_assert_cmpint(num_dashes, ==, 1);
  43     dashes = adg_dash_get_dashes(dash);
  44     g_assert_nonnull(dashes);
  45     adg_assert_isapprox(dashes[0], 1234.);
  46
  47     adg_dash_append_dashes(dash, 2, 0., 4321.);
  48     num_dashes = adg_dash_get_num_dashes(dash);
  49     g_assert_cmpint(num_dashes, ==, 3);
  50     dashes = adg_dash_get_dashes(dash);
  51     g_assert_nonnull(dashes);
  52     adg_assert_isapprox(dashes[0], 1234.);
  53     adg_assert_isapprox(dashes[1], 0.);
  54     adg_assert_isapprox(dashes[2], 4321.);
  55
  56     adg_dash_clear_dashes(dash);
  57     num_dashes = adg_dash_get_num_dashes(dash);
  58     g_assert_cmpint(num_dashes, ==, 0);
  59     dashes = adg_dash_get_dashes(dash);
  60     g_assert_null(dashes);
  61
  62     adg_dash_append_dashes_array(dash, 3, dashes_array);
  63     num_dashes = adg_dash_get_num_dashes(dash);
  64     g_assert_cmpint(num_dashes, ==, 3);
  65     dashes = adg_dash_get_dashes(dash);
  66     g_assert_nonnull(dashes);
  67     adg_assert_isapprox(dashes[0], 1.);
  68     adg_assert_isapprox(dashes[1], 2.);
  69     adg_assert_isapprox(dashes[2], 3.);
  70
  71     adg_dash_destroy(dash);
  72
  73     dash = adg_dash_new_with_dashes(3, 1., 2., 3.);
  74     g_assert_nonnull(dash);
  75     num_dashes = adg_dash_get_num_dashes(dash);
  76     g_assert_cmpint(num_dashes, ==, 3);
  77     dashes = adg_dash_get_dashes(dash);
  78     g_assert_nonnull(dashes);
  79     adg_assert_isapprox(dashes[0], 1.);
  80     adg_assert_isapprox(dashes[1], 2.);
  81     adg_assert_isapprox(dashes[2], 3.);
  82
  83     adg_dash_destroy(dash);
  84 }
  85
  86 static void
  87 _adg_property_offset(void)
  88 {
  89     AdgDash *dash;
  90     gdouble offset;
  91
  92     dash = adg_dash_new();
  93
  94     /* Ensure the default is 0 */
  95     offset = adg_dash_get_offset(dash);
  96     adg_assert_isapprox(offset, 0);
  97
  98     /* Check some special values */
  99     adg_dash_set_offset(dash, G_MINDOUBLE);
 100     offset = adg_dash_get_offset(dash);
 101     g_assert_cmpfloat(offset, ==, G_MINDOUBLE);
 102
 103     adg_dash_set_offset(dash, G_MAXDOUBLE);
 104     offset = adg_dash_get_offset(dash);
 105     g_assert_cmpfloat(offset, ==, G_MAXDOUBLE);
 106
 107     adg_dash_set_offset(dash, 0);
 108     offset = adg_dash_get_offset(dash);
 109     adg_assert_isapprox(offset, 0);
 110
 111     adg_dash_destroy(dash);
 112 }
 113
 114
 115 int
 116 main(int argc, char *argv[])
 117 {
 118     adg_test_init(&argc, &argv);
 119
 120     adg_test_add_boxed_checks("/adg/dash/type/boxed", ADG_TYPE_DASH, adg_dash_new());
 121
 122     g_test_add_func("/adg/dash/property/dashes", _adg_property_dashes);
 123     g_test_add_func("/adg/dash/property/offset", _adg_property_offset);
 124
 125     return g_test_run();
 126 }