src/adg/tests/test-fill-style.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_pattern(void)
  27 {
  28     AdgFillStyle *fill_style;
  29     cairo_pattern_t *valid_pattern_1, *valid_pattern_2;
  30     const cairo_pattern_t *pattern;
  31     cairo_pattern_t *pattern_dup;
  32
  33     fill_style = ADG_FILL_STYLE(adg_ruled_fill_new());
  34     valid_pattern_1 = cairo_pattern_create_rgba(0, 0, 0, 0);
  35     valid_pattern_2 = cairo_pattern_create_linear(1, 2, 3, 4);
  36
  37     /* Using the public APIs */
  38     adg_fill_style_set_pattern(fill_style, valid_pattern_1);
  39     pattern = adg_fill_style_get_pattern(fill_style);
  40     g_assert_true(pattern == valid_pattern_1);
  41
  42     adg_fill_style_set_pattern(fill_style, NULL);
  43     pattern = adg_fill_style_get_pattern(fill_style);
  44     g_assert_null(pattern);
  45
  46     adg_fill_style_set_pattern(fill_style, valid_pattern_2);
  47     pattern = adg_fill_style_get_pattern(fill_style);
  48     g_assert_true(pattern == valid_pattern_2);
  49
  50     /* Using GObject property methods */
  51     g_object_set(fill_style, "pattern", valid_pattern_1, NULL);
  52     g_object_get(fill_style, "pattern", &pattern_dup, NULL);
  53     g_assert_true(pattern_dup == valid_pattern_1);
  54     cairo_pattern_destroy(pattern_dup);
  55
  56     g_object_set(fill_style, "pattern", NULL, NULL);
  57     g_object_get(fill_style, "pattern", &pattern_dup, NULL);
  58     g_assert_null(pattern_dup);
  59     cairo_pattern_destroy(pattern_dup);
  60
  61     g_object_set(fill_style, "pattern", valid_pattern_2, NULL);
  62     g_object_get(fill_style, "pattern", &pattern_dup, NULL);
  63     g_assert_true(pattern_dup == valid_pattern_2);
  64     cairo_pattern_destroy(pattern_dup);
  65
  66     cairo_pattern_destroy(valid_pattern_1);
  67     cairo_pattern_destroy(valid_pattern_2);
  68     g_object_unref(fill_style);
  69 }
  70
  71
  72 int
  73 main(int argc, char *argv[])
  74 {
  75     adg_test_init(&argc, &argv);
  76
  77     adg_test_add_object_checks("/adg/fill-style/type/object", ADG_TYPE_FILL_STYLE);
  78
  79     g_test_add_func("/adg/fill-style/property/pattern", _adg_property_pattern);
  80
  81     return g_test_run();
  82 }