src/adg/tests/test-gtk-layout.c

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2010,2011  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_hadjustment(void)
  26 {
  27     AdgGtkLayout *layout;
  28     GtkAdjustment *valid_adjustment, *invalid_adjustment, *hadjustment;
  29
  30     layout = ADG_GTK_LAYOUT(adg_gtk_layout_new());
  31     valid_adjustment = (GtkAdjustment *) gtk_adjustment_new(0, 0, 0, 0, 0, 0);
  32     invalid_adjustment = adg_test_invalid_pointer();
  33
  34     g_object_ref(valid_adjustment);
  35
  36     /* Using the public APIs */
  37     g_test_message("The implementation must provide a fallback adjustment");
  38     hadjustment = adg_gtk_layout_get_hadjustment(layout);
  39     g_assert(GTK_IS_ADJUSTMENT(hadjustment));
  40
  41     adg_gtk_layout_set_hadjustment(layout, NULL);
  42     hadjustment = adg_gtk_layout_get_hadjustment(layout);
  43     g_assert(GTK_IS_ADJUSTMENT(hadjustment));
  44
  45     adg_gtk_layout_set_hadjustment(layout, valid_adjustment);
  46     hadjustment = adg_gtk_layout_get_hadjustment(layout);
  47     g_assert(hadjustment == valid_adjustment);
  48
  49     adg_gtk_layout_set_hadjustment(layout, invalid_adjustment);
  50     hadjustment = adg_gtk_layout_get_hadjustment(layout);
  51     g_assert(hadjustment == valid_adjustment);
  52
  53     adg_gtk_layout_set_hadjustment(layout, NULL);
  54     hadjustment = adg_gtk_layout_get_hadjustment(layout);
  55     g_assert(hadjustment != valid_adjustment && GTK_IS_ADJUSTMENT(hadjustment));
  56
  57     /* Using GObject property methods */
  58     g_object_set(layout, "hadjustment", NULL, NULL);
  59     g_object_get(layout, "hadjustment", &hadjustment, NULL);
  60     g_assert(GTK_IS_ADJUSTMENT(hadjustment));
  61     g_object_unref(hadjustment);
  62
  63     g_object_set(layout, "hadjustment", valid_adjustment, NULL);
  64     g_object_get(layout, "hadjustment", &hadjustment, NULL);
  65     g_assert(hadjustment == valid_adjustment);
  66     g_object_unref(hadjustment);
  67
  68     g_object_set(layout, "hadjustment", invalid_adjustment, NULL);
  69     g_object_get(layout, "hadjustment", &hadjustment, NULL);
  70     g_assert(hadjustment == valid_adjustment);
  71     g_object_unref(hadjustment);
  72
  73     g_object_set(layout, "hadjustment", NULL, NULL);
  74     g_object_get(layout, "hadjustment", &hadjustment, NULL);
  75     g_assert(hadjustment != valid_adjustment && GTK_IS_ADJUSTMENT(hadjustment));
  76     g_object_unref(hadjustment);
  77
  78     gtk_widget_destroy(GTK_WIDGET(layout));
  79     g_object_unref(valid_adjustment);
  80 }
  81
  82 static void
  83 _adg_test_vadjustment(void)
  84 {
  85     AdgGtkLayout *layout;
  86     GtkAdjustment *valid_adjustment, *invalid_adjustment, *vadjustment;
  87
  88     layout = ADG_GTK_LAYOUT(adg_gtk_layout_new());
  89     valid_adjustment = (GtkAdjustment *) gtk_adjustment_new(0, 0, 0, 0, 0, 0);
  90     invalid_adjustment = adg_test_invalid_pointer();
  91
  92     g_object_ref(valid_adjustment);
  93
  94     /* Using the public APIs */
  95     g_test_message("The implementation must provide a fallback adjustment");
  96     vadjustment = adg_gtk_layout_get_vadjustment(layout);
  97     g_assert(GTK_IS_ADJUSTMENT(vadjustment));
  98
  99     adg_gtk_layout_set_vadjustment(layout, NULL);
 100     vadjustment = adg_gtk_layout_get_vadjustment(layout);
 101     g_assert(GTK_IS_ADJUSTMENT(vadjustment));
 102
 103     adg_gtk_layout_set_vadjustment(layout, valid_adjustment);
 104     vadjustment = adg_gtk_layout_get_vadjustment(layout);
 105     g_assert(vadjustment == valid_adjustment);
 106
 107     adg_gtk_layout_set_vadjustment(layout, invalid_adjustment);
 108     vadjustment = adg_gtk_layout_get_vadjustment(layout);
 109     g_assert(vadjustment == valid_adjustment);
 110
 111     adg_gtk_layout_set_vadjustment(layout, NULL);
 112     vadjustment = adg_gtk_layout_get_vadjustment(layout);
 113     g_assert(vadjustment != valid_adjustment && GTK_IS_ADJUSTMENT(vadjustment));
 114
 115     /* Using GObject property methods */
 116     g_object_set(layout, "vadjustment", NULL, NULL);
 117     g_object_get(layout, "vadjustment", &vadjustment, NULL);
 118     g_assert(GTK_IS_ADJUSTMENT(vadjustment));
 119     g_object_unref(vadjustment);
 120
 121     g_object_set(layout, "vadjustment", valid_adjustment, NULL);
 122     g_object_get(layout, "vadjustment", &vadjustment, NULL);
 123     g_assert(vadjustment == valid_adjustment);
 124     g_object_unref(vadjustment);
 125
 126     g_object_set(layout, "vadjustment", invalid_adjustment, NULL);
 127     g_object_get(layout, "vadjustment", &vadjustment, NULL);
 128     g_assert(vadjustment == valid_adjustment);
 129     g_object_unref(vadjustment);
 130
 131     g_object_set(layout, "vadjustment", NULL, NULL);
 132     g_object_get(layout, "vadjustment", &vadjustment, NULL);
 133     g_assert(vadjustment != valid_adjustment && GTK_IS_ADJUSTMENT(vadjustment));
 134     g_object_unref(vadjustment);
 135
 136     gtk_widget_destroy(GTK_WIDGET(layout));
 137     g_object_unref(valid_adjustment);
 138 }
 139
 140
 141 int
 142 main(int argc, char *argv[])
 143 {
 144     adg_test_init(&argc, &argv);
 145
 146     adg_test_add_func("/adg/gtk/layout/hadjustment", _adg_test_hadjustment);
 147     adg_test_add_func("/adg/gtk/layout/vadjustment", _adg_test_vadjustment);
 148
 149     return g_test_run();
 150 }