1 /*
2 * Copyright © 2013 Marek Chalupa
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial
14 * portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26 #include <assert.h>
27 #include <sys/socket.h>
28 #include <unistd.h>
29 #include <stdint.h>
30
31 #include "wayland-server.h"
32 #include "test-runner.h"
33
TEST(create_resource_tst)34 TEST(create_resource_tst)
35 {
36 struct wl_display *display;
37 struct wl_client *client;
38 struct wl_resource *res;
39 struct wl_list *link;
40 int s[2];
41 uint32_t id;
42
43 assert(socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, s) == 0);
44 display = wl_display_create();
45 assert(display);
46 client = wl_client_create(display, s[0]);
47 assert(client);
48
49 res = wl_resource_create(client, &wl_seat_interface, 4, 0);
50 assert(res);
51
52 /* setters/getters */
53 assert(wl_resource_get_version(res) == 4);
54
55 assert(client == wl_resource_get_client(res));
56 id = wl_resource_get_id(res);
57 assert(wl_client_get_object(client, id) == res);
58
59 link = wl_resource_get_link(res);
60 assert(link);
61 assert(wl_resource_from_link(link) == res);
62
63 wl_resource_set_user_data(res, (void *) 0xbee);
64 assert(wl_resource_get_user_data(res) == (void *) 0xbee);
65
66 wl_resource_destroy(res);
67 wl_client_destroy(client);
68 wl_display_destroy(display);
69 close(s[1]);
70 }
71
72 static void
res_destroy_func(struct wl_resource * res)73 res_destroy_func(struct wl_resource *res)
74 {
75 assert(res);
76
77 _Bool *destr = wl_resource_get_user_data(res);
78 *destr = 1;
79 }
80
81 static _Bool notify_called = 0;
82 static void
destroy_notify(struct wl_listener * l,void * data)83 destroy_notify(struct wl_listener *l, void *data)
84 {
85 assert(l && data);
86 notify_called = 1;
87
88 /* In real code it's common to free the structure holding the
89 * listener at this point, but not to remove it from the list.
90 *
91 * That's fine since this is a destruction notification and
92 * it's the last time this signal can fire. We set these
93 * to NULL so we can check them later to ensure no write after
94 * "free" occurred.
95 */
96 l->link.prev = NULL;
97 l->link.next = NULL;
98 }
99
TEST(destroy_res_tst)100 TEST(destroy_res_tst)
101 {
102 struct wl_display *display;
103 struct wl_client *client;
104 struct wl_resource *res;
105 int s[2];
106 unsigned id;
107 struct wl_list *link;
108
109 _Bool destroyed = 0;
110 struct wl_listener destroy_listener = {
111 .notify = &destroy_notify
112 };
113
114 assert(socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, s) == 0);
115 display = wl_display_create();
116 assert(display);
117 client = wl_client_create(display, s[0]);
118 assert(client);
119
120 res = wl_resource_create(client, &wl_seat_interface, 4, 0);
121 assert(res);
122 wl_resource_set_implementation(res, NULL, &destroyed, res_destroy_func);
123 wl_resource_add_destroy_listener(res, &destroy_listener);
124
125 id = wl_resource_get_id(res);
126 link = wl_resource_get_link(res);
127 assert(link);
128
129 wl_resource_destroy(res);
130 assert(destroyed);
131 assert(notify_called); /* check if signal was emitted */
132 assert(wl_client_get_object(client, id) == NULL);
133 assert(destroy_listener.link.prev == NULL);
134 assert(destroy_listener.link.next == NULL);
135
136 res = wl_resource_create(client, &wl_seat_interface, 2, 0);
137 assert(res);
138 destroyed = 0;
139 notify_called = 0;
140 wl_resource_set_destructor(res, res_destroy_func);
141 wl_resource_set_user_data(res, &destroyed);
142 wl_resource_add_destroy_listener(res, &destroy_listener);
143 /* client should destroy the resource upon its destruction */
144 wl_client_destroy(client);
145 assert(destroyed);
146 assert(notify_called);
147 assert(destroy_listener.link.prev == NULL);
148 assert(destroy_listener.link.next == NULL);
149
150 wl_display_destroy(display);
151 close(s[1]);
152 }
153
TEST(create_resource_with_same_id)154 TEST(create_resource_with_same_id)
155 {
156 struct wl_display *display;
157 struct wl_client *client;
158 struct wl_resource *res, *res2;
159 int s[2];
160 uint32_t id;
161
162 assert(socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, s) == 0);
163 display = wl_display_create();
164 assert(display);
165 client = wl_client_create(display, s[0]);
166 assert(client);
167
168 res = wl_resource_create(client, &wl_seat_interface, 2, 0);
169 assert(res);
170 id = wl_resource_get_id(res);
171 assert(wl_client_get_object(client, id) == res);
172
173 /* this one should replace the old one */
174 res2 = wl_resource_create(client, &wl_seat_interface, 1, id);
175 assert(res2 != NULL);
176 assert(wl_client_get_object(client, id) == res2);
177
178 wl_resource_destroy(res2);
179 wl_resource_destroy(res);
180
181 wl_client_destroy(client);
182 wl_display_destroy(display);
183 close(s[1]);
184 }
185
186 static void
display_destroy_notify(struct wl_listener * l,void * data)187 display_destroy_notify(struct wl_listener *l, void *data)
188 {
189 l->link.prev = l->link.next = NULL;
190 }
191
TEST(free_without_remove)192 TEST(free_without_remove)
193 {
194 struct wl_display *display;
195 struct wl_listener a, b;
196
197 display = wl_display_create();
198 a.notify = display_destroy_notify;
199 b.notify = display_destroy_notify;
200
201 wl_display_add_destroy_listener(display, &a);
202 wl_display_add_destroy_listener(display, &b);
203
204 wl_display_destroy(display);
205
206 assert(a.link.next == a.link.prev && a.link.next == NULL);
207 assert(b.link.next == b.link.prev && b.link.next == NULL);
208 }
209