src/adg/tests/test-point.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_behavior_misc(void)
  27 {
  28     AdgPoint *point, *dup_point;
  29     CpmlPair *pair,  *dup_pair;
  30     CpmlPair dummy_pair = { 3.4, 5.6 };
  31
  32     point = adg_point_new();
  33     g_assert_nonnull(point);
  34
  35     adg_point_set_pair_explicit(point, 1, 2);
  36     pair = (CpmlPair *) point;
  37     adg_assert_isapprox(pair->x, 1);
  38     adg_assert_isapprox(pair->y, 2);
  39
  40     pair = adg_point_get_pair(point);
  41     g_assert_nonnull(pair);
  42     adg_assert_isapprox(pair->x, 1);
  43     adg_assert_isapprox(pair->y, 2);
  44
  45     dup_point = adg_point_dup(point);
  46     g_assert_nonnull(dup_point);
  47     g_assert_true(dup_point != point);
  48
  49     /* Should be a noop with explicit pairs */
  50     adg_point_invalidate(point);
  51
  52     dup_pair = adg_point_get_pair(dup_point);
  53     g_assert_nonnull(dup_pair);
  54     g_assert_true(dup_pair != pair);
  55
  56     adg_assert_isapprox(pair->x, dup_pair->x);
  57     adg_assert_isapprox(pair->y, dup_pair->y);
  58     g_assert_true(adg_point_equal(point, dup_point));
  59
  60     g_free(dup_pair);
  61     adg_point_destroy(dup_point);
  62
  63     dup_point = adg_point_new();
  64     adg_point_set_pair(dup_point, &dummy_pair);
  65     dup_pair = (CpmlPair *) dup_point;
  66
  67     /* Should be a noop with explicit pairs */
  68     adg_point_invalidate(dup_point);
  69
  70     adg_assert_isapprox(dup_pair->x, 3.4);
  71     adg_assert_isapprox(dup_pair->y, 5.6);
  72     g_assert_false(adg_point_equal(point, dup_point));
  73
  74     adg_point_copy(dup_point, point);
  75     dup_pair = adg_point_get_pair(dup_point);
  76     g_assert_nonnull(dup_pair);
  77     g_assert_nonnull(dup_pair);
  78
  79     adg_assert_isapprox(pair->x, dup_pair->x);
  80     adg_assert_isapprox(pair->y, dup_pair->y);
  81     g_assert_true(adg_point_equal(point, dup_point));
  82
  83     g_free(pair);
  84     g_free(dup_pair);
  85     adg_point_destroy(point);
  86     adg_point_destroy(dup_point);
  87 }
  88
  89 static void
  90 _adg_behavior_named_pair(void)
  91 {
  92     CpmlPair p1 = { 123, 456 };
  93     AdgPoint *explicit_point, *explicit_point2, *model_point;
  94     AdgModel *model;
  95     CpmlPair *pair;
  96
  97     explicit_point = adg_point_new();
  98     g_assert_nonnull(explicit_point);
  99     adg_point_set_pair(explicit_point, &p1);
 100
 101     explicit_point2 = adg_point_new();
 102     g_assert_nonnull(explicit_point2);
 103     adg_point_set_pair_explicit(explicit_point2, p1.x, p1.y);
 104
 105     /* Checking comparison APIs */
 106     g_assert_true(adg_point_equal(explicit_point, explicit_point2));
 107     adg_point_set_pair_explicit(explicit_point2, 78, 90);
 108     g_assert_false(adg_point_equal(explicit_point, explicit_point2));
 109     pair = (CpmlPair *) explicit_point2;
 110     adg_assert_isapprox(pair->x, 78);
 111     adg_assert_isapprox(pair->y, 90);
 112
 113     pair = adg_point_get_pair(explicit_point);
 114     g_assert_true(cpml_pair_equal(pair, &p1));
 115     g_free(pair);
 116
 117     model = ADG_MODEL(adg_path_new());
 118     g_assert_nonnull(model);
 119     adg_model_set_named_pair(model, "named-pair", &p1);
 120
 121     model_point = adg_point_new();
 122     g_assert_nonnull(model_point);
 123     adg_point_set_pair_from_model(model_point, model, "named-pair");
 124
 125     pair = adg_point_get_pair(model_point);
 126     g_assert_true(cpml_pair_equal(pair, &p1));
 127     g_free(pair);
 128
 129     /* Ensure ADG does not consider an explicit point equals to
 130      * a point bound to a named pair with the same coordinates */
 131     g_assert_false(adg_point_equal(explicit_point, model_point));
 132
 133     /* Check for lazy evaluation of named pairs */
 134     adg_point_set_pair_from_model(model_point, model, "unexistent-pair");
 135     pair = (CpmlPair *) model_point;
 136     adg_assert_isapprox(pair->x, p1.x);
 137     adg_assert_isapprox(pair->y, p1.y);
 138
 139     /* Check behavior on undefined named pair */
 140     g_assert_false(adg_point_update(model_point));
 141     g_assert_null(adg_point_get_pair(model_point));
 142
 143     adg_point_set_pair_from_model(model_point, model, "named-pair");
 144     g_assert_true(adg_point_update(model_point));
 145
 146     /* Check for case sensitiveness */
 147     adg_point_set_pair_from_model(model_point, model, "Named-Pair");
 148     g_assert_null(adg_point_get_pair(model_point));
 149     g_assert_false(adg_point_update(model_point));
 150
 151     /* Check if adg_point_get_pair() triggers an adg_point_update() */
 152     adg_point_set_pair_from_model(model_point, model, "named-pair");
 153     pair = adg_point_get_pair(model_point);
 154     g_assert_true(cpml_pair_equal(pair, &p1));
 155     g_free(pair);
 156
 157     adg_point_destroy(explicit_point);
 158     adg_point_destroy(model_point);
 159     g_object_unref(model);
 160 }
 161
 162
 163 int
 164 main(int argc, char *argv[])
 165 {
 166     adg_test_init(&argc, &argv);
 167
 168     adg_test_add_boxed_checks("/adg/point/type/boxed", ADG_TYPE_POINT, adg_point_new());
 169
 170     g_test_add_func("/adg/point/behavior/misc", _adg_behavior_misc);
 171     g_test_add_func("/adg/point/behavior/named-pair", _adg_behavior_named_pair);
 172
 173     return g_test_run();
 174 }