adg/tests/test-widget.c

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2010  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 #include <adg/adg-widget.h>
  23
  24
  25 static void
  26 _adg_test_canvas(void)
  27 {
  28     AdgWidget *widget;
  29     AdgCanvas *valid_canvas, *invalid_canvas, *canvas;
  30
  31     widget = ADG_WIDGET(adg_widget_new());
  32     valid_canvas = adg_canvas_new();
  33     invalid_canvas = adg_test_invalid_pointer();
  34
  35     g_object_ref(valid_canvas);
  36
  37     /* Using the public APIs */
  38     adg_widget_set_canvas(widget, NULL);
  39     canvas = adg_widget_get_canvas(widget);
  40     g_assert(canvas == NULL);
  41
  42     adg_widget_set_canvas(widget, valid_canvas);
  43     canvas = adg_widget_get_canvas(widget);
  44     g_assert(canvas == valid_canvas);
  45
  46     adg_widget_set_canvas(widget, invalid_canvas);
  47     canvas = adg_widget_get_canvas(widget);
  48     g_assert(canvas == valid_canvas);
  49
  50     adg_widget_set_canvas(widget, NULL);
  51     canvas = adg_widget_get_canvas(widget);
  52     g_assert(canvas == NULL);
  53
  54     /* Using GObject property methods */
  55     g_object_set(widget, "canvas", NULL, NULL);
  56     g_object_get(widget, "canvas", &canvas, NULL);
  57     g_assert(canvas == NULL);
  58
  59     g_object_set(widget, "canvas", valid_canvas, NULL);
  60     g_object_get(widget, "canvas", &canvas, NULL);
  61     g_assert(canvas == valid_canvas);
  62     g_object_unref(canvas);
  63
  64     g_object_set(widget, "canvas", invalid_canvas, NULL);
  65     g_object_get(widget, "canvas", &canvas, NULL);
  66     g_assert(canvas == valid_canvas);
  67     g_object_unref(canvas);
  68
  69     g_object_set(widget, "canvas", NULL, NULL);
  70     g_object_get(widget, "canvas", &canvas, NULL);
  71     g_assert(canvas == NULL);
  72
  73     g_object_unref(widget);
  74     g_object_unref(valid_canvas);
  75 }
  76
  77 static void
  78 _adg_test_factor(void)
  79 {
  80     AdgWidget *widget;
  81     gdouble valid_factor1, valid_factor2, invalid_factor, factor;
  82
  83     widget = ADG_WIDGET(adg_widget_new());
  84     valid_factor1 = 10;
  85     valid_factor2 = 1;
  86     invalid_factor = 0.5;
  87
  88     /* Using the public APIs */
  89     adg_widget_set_factor(widget, valid_factor1);
  90     factor = adg_widget_get_factor(widget);
  91     g_assert_cmpfloat(factor, ==, valid_factor1);
  92
  93     adg_widget_set_factor(widget, invalid_factor);
  94     factor = adg_widget_get_factor(widget);
  95     g_assert_cmpfloat(factor, ==, valid_factor1);
  96
  97     adg_widget_set_factor(widget, valid_factor2);
  98     factor = adg_widget_get_factor(widget);
  99     g_assert_cmpfloat(factor, ==, valid_factor2);
 100
 101     /* Using GObject property methods */
 102     g_object_set(widget, "factor", valid_factor1, NULL);
 103     g_object_get(widget, "factor", &factor, NULL);
 104     g_assert_cmpfloat(factor, ==, valid_factor1);
 105
 106     g_object_set(widget, "factor", invalid_factor, NULL);
 107     g_object_get(widget, "factor", &factor, NULL);
 108     g_assert_cmpfloat(factor, ==, valid_factor1);
 109
 110     g_object_set(widget, "factor", valid_factor2, NULL);
 111     g_object_get(widget, "factor", &factor, NULL);
 112     g_assert_cmpfloat(factor, ==, valid_factor2);
 113
 114     g_object_unref(widget);
 115 }
 116
 117
 118 int
 119 main(int argc, char *argv[])
 120 {
 121     adg_test_init(&argc, &argv);
 122
 123     adg_test_add_func("/adg/widget/canvas", _adg_test_canvas);
 124     adg_test_add_func("/adg/widget/factor", _adg_test_factor);
 125
 126     return g_test_run();
 127 }