summaryrefslogtreecommitdiff
path: root/gobject/tests/dynamictype.c
blob: 21421181649d027f9970731c8bddfcfa634430b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/* GObject - GLib Type, Object, Parameter and Signal Library
 * Copyright (C) 2001, 2003 Red Hat, Inc.
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#include <glib-object.h>

#include "testcommon.h"
#include "testmodule.h"

/* This test tests the macros for defining dynamic types */

static gboolean loaded = FALSE;

struct _TestIfaceClass
{
  GTypeInterface base_iface;
  guint val;
};

static GType test_iface_get_type (void);

#define TEST_TYPE_IFACE           (test_iface_get_type ())
#define TEST_IFACE_GET_CLASS(obj) \
  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), TEST_TYPE_IFACE, TestIfaceClass))

typedef struct _TestIface      TestIface;
typedef struct _TestIfaceClass TestIfaceClass;

static void test_iface_base_init    (TestIfaceClass *iface);
static void test_iface_default_init (TestIfaceClass *iface, gpointer class_data);

static DEFINE_IFACE(TestIface, test_iface, test_iface_base_init, test_iface_default_init)

static void
test_iface_default_init (TestIfaceClass *iface,
                         gpointer        class_data)
{
}

static void
test_iface_base_init (TestIfaceClass *iface)
{
}

GType dynamic_object_get_type (void);
#define DYNAMIC_OBJECT_TYPE (dynamic_object_get_type ())

typedef GObject DynamicObject;
typedef struct _DynamicObjectClass DynamicObjectClass;

struct _DynamicObjectClass
{
  GObjectClass parent_class;
  guint val;
};

static void dynamic_object_iface_init (TestIface *iface);

G_DEFINE_DYNAMIC_TYPE_EXTENDED(DynamicObject, dynamic_object, G_TYPE_OBJECT, 0,
                               G_IMPLEMENT_INTERFACE_DYNAMIC (TEST_TYPE_IFACE,
                                                              dynamic_object_iface_init));

static void
dynamic_object_class_init (DynamicObjectClass *class)
{
  class->val = 42;
  loaded = TRUE;
}

static void
dynamic_object_class_finalize (DynamicObjectClass *class)
{
  loaded = FALSE;
}

static void
dynamic_object_iface_init (TestIface *iface)
{
}

static void
dynamic_object_init (DynamicObject *dynamic_object)
{
}

static void
module_register (GTypeModule *module)
{
  dynamic_object_register_type (module);
}

static void
test_dynamic_type (void)
{
  DynamicObjectClass *class;

  /* Not loaded until we call ref for the first time */
  class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
  g_assert_null (class);
  g_assert_false (loaded);

  /* Make sure interfaces work */
  g_assert_true (g_type_is_a (DYNAMIC_OBJECT_TYPE,
                              TEST_TYPE_IFACE));

  /* Ref loads */
  class = g_type_class_ref (DYNAMIC_OBJECT_TYPE);
  g_assert_nonnull (class);
  g_assert_cmpint (class->val, ==, 42);
  g_assert_true (loaded);

  /* Peek then works */
  class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
  g_assert_nonnull (class);
  g_assert_cmpint (class->val, ==, 42);
  g_assert_true (loaded);

  /* Make sure interfaces still work */
  g_assert_true (g_type_is_a (DYNAMIC_OBJECT_TYPE,
                              TEST_TYPE_IFACE));

  /* Unref causes finalize */
  g_type_class_unref (class);

  /* Peek returns NULL */
  class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
#if 0
  /* Disabled as unloading dynamic types is disabled.
   * See https://gitlab.gnome.org/GNOME/glib/-/issues/667 */
  g_assert_false (class);
  g_assert_false (loaded);
#endif

  /* Ref reloads */
  class = g_type_class_ref (DYNAMIC_OBJECT_TYPE);
  g_assert_nonnull (class);
  g_assert_cmpint (class->val, ==, 42);
  g_assert_true (loaded);

  /* And Unref causes finalize once more*/
  g_type_class_unref (class);
  class = g_type_class_peek (DYNAMIC_OBJECT_TYPE);
#if 0
  /* Disabled as unloading dynamic types is disabled.
   * See https://gitlab.gnome.org/GNOME/glib/-/issues/667 */
  g_assert_null (class);
  g_assert_false (loaded);
#endif
}

static void
test_dynamic_type_query (void)
{
  DynamicObjectClass *class;
  GTypeQuery query_result;

  g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/623");

  class = g_type_class_ref (DYNAMIC_OBJECT_TYPE);
  g_assert_nonnull (class);

  g_type_query (DYNAMIC_OBJECT_TYPE, &query_result);

  g_assert_cmpuint (query_result.type, !=, 0);
  g_assert_cmpstr (query_result.type_name, ==, "DynamicObject");
  g_assert_cmpuint (query_result.class_size, >=, sizeof (DynamicObjectClass));
  g_assert_cmpuint (query_result.instance_size, >=, sizeof (DynamicObject));

  g_type_class_unref (class);
}

int
main (int   argc,
      char *argv[])
{
  g_log_set_always_fatal (g_log_set_always_fatal (G_LOG_FATAL_MASK) |
                          G_LOG_LEVEL_WARNING |
                          G_LOG_LEVEL_CRITICAL);

  g_test_init (&argc, &argv, NULL);

  test_module_new (module_register);

  g_test_add_func ("/gobject/dynamic-type", test_dynamic_type);
  g_test_add_func ("/gobject/dynamic-type/query", test_dynamic_type_query);

  return g_test_run ();
}