1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2010 Red Hat, Inc.
3 * Author: Matthias Clasen
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19
20 #include <X11/Xlib.h>
21 #include <gtk/gtk.h>
22 #include "x11/gdkx.h"
23
24 static void
test_error_trapping(GdkDisplay * gdk_display)25 test_error_trapping (GdkDisplay *gdk_display)
26 {
27 Display *d;
28 int dummy;
29 int error;
30
31 d = GDK_DISPLAY_XDISPLAY (gdk_display);
32
33 /* verify that we can catch errors */
34 gdk_x11_display_error_trap_push (gdk_display);
35 XListProperties (d, 0, &dummy); /* round trip */
36 error = gdk_x11_display_error_trap_pop (gdk_display);
37 g_assert_true (error == BadWindow);
38
39 gdk_x11_display_error_trap_push (gdk_display);
40 XSetCloseDownMode (d, 12345); /* not a round trip */
41 XSetCloseDownMode (d, DestroyAll);
42 error = gdk_x11_display_error_trap_pop (gdk_display);
43 g_assert_true (error == BadValue);
44
45 /* try the same without sync */
46 gdk_x11_display_error_trap_push (gdk_display);
47 XListProperties (d, 0, &dummy);
48 gdk_x11_display_error_trap_pop_ignored (gdk_display);
49
50 gdk_x11_display_error_trap_push (gdk_display);
51 XSetCloseDownMode (d, 12345);
52 XSetCloseDownMode (d, DestroyAll);
53 gdk_x11_display_error_trap_pop_ignored (gdk_display);
54
55 XSync (d, TRUE);
56
57 /* verify that we can catch with nested traps; inner-most
58 * active trap gets the error */
59 gdk_x11_display_error_trap_push (gdk_display);
60 gdk_x11_display_error_trap_push (gdk_display);
61 XSetCloseDownMode (d, 12345);
62 error = gdk_x11_display_error_trap_pop (gdk_display);
63 g_assert_true (error == BadValue);
64 error = gdk_x11_display_error_trap_pop (gdk_display);
65 g_assert_true (error == Success);
66
67 gdk_x11_display_error_trap_push (gdk_display);
68 XSetCloseDownMode (d, 12345);
69 gdk_x11_display_error_trap_push (gdk_display);
70 error = gdk_x11_display_error_trap_pop (gdk_display);
71 g_assert_true (error == Success);
72 error = gdk_x11_display_error_trap_pop (gdk_display);
73 g_assert_true (error == BadValue);
74
75 /* try nested, without sync */
76 gdk_x11_display_error_trap_push (gdk_display);
77 gdk_x11_display_error_trap_push (gdk_display);
78 gdk_x11_display_error_trap_push (gdk_display);
79 XSetCloseDownMode (d, 12345);
80 gdk_x11_display_error_trap_pop_ignored (gdk_display);
81 gdk_x11_display_error_trap_pop_ignored (gdk_display);
82 gdk_x11_display_error_trap_pop_ignored (gdk_display);
83
84 XSync (d, TRUE);
85
86 /* try nested, without sync, with interleaved calls */
87 gdk_x11_display_error_trap_push (gdk_display);
88 XSetCloseDownMode (d, 12345);
89 gdk_x11_display_error_trap_push (gdk_display);
90 XSetCloseDownMode (d, 12345);
91 gdk_x11_display_error_trap_push (gdk_display);
92 XSetCloseDownMode (d, 12345);
93 gdk_x11_display_error_trap_pop_ignored (gdk_display);
94 XSetCloseDownMode (d, 12345);
95 gdk_x11_display_error_trap_pop_ignored (gdk_display);
96 XSetCloseDownMode (d, 12345);
97 gdk_x11_display_error_trap_pop_ignored (gdk_display);
98
99 XSync (d, TRUE);
100
101 /* don't want to get errors that weren't in our push range */
102 gdk_x11_display_error_trap_push (gdk_display);
103 XSetCloseDownMode (d, 12345);
104 gdk_x11_display_error_trap_push (gdk_display);
105 XSync (d, TRUE); /* not an error */
106 error = gdk_x11_display_error_trap_pop (gdk_display);
107 g_assert_true (error == Success);
108 error = gdk_x11_display_error_trap_pop (gdk_display);
109 g_assert_true (error == BadValue);
110
111 /* non-roundtrip non-error request after error request, inside trap */
112 gdk_x11_display_error_trap_push (gdk_display);
113 XSetCloseDownMode (d, 12345);
114 XMapWindow (d, DefaultRootWindow (d));
115 error = gdk_x11_display_error_trap_pop (gdk_display);
116 g_assert_true (error == BadValue);
117
118 /* a non-roundtrip non-error request before error request, inside trap */
119 gdk_x11_display_error_trap_push (gdk_display);
120 XMapWindow (d, DefaultRootWindow (d));
121 XSetCloseDownMode (d, 12345);
122 error = gdk_x11_display_error_trap_pop (gdk_display);
123 g_assert_true (error == BadValue);
124
125 /* Not part of any test, just a double-check
126 * that all errors have arrived
127 */
128 XSync (d, TRUE);
129 }
130
131 int
main(int argc,char * argv[])132 main (int argc, char *argv[])
133 {
134 GdkDisplay *gdk_display;
135 GdkDisplay *extra_display;
136
137 gtk_init ();
138
139 gdk_display = gdk_display_get_default ();
140 test_error_trapping (gdk_display);
141
142 extra_display = gdk_display_open (NULL);
143 test_error_trapping (extra_display);
144 gdk_display_close (extra_display);
145
146 test_error_trapping (gdk_display_get_default ());
147
148 /* open a display with a trap pushed and see if we
149 * get confused
150 */
151 gdk_x11_display_error_trap_push (gdk_display);
152 gdk_x11_display_error_trap_push (gdk_display);
153
154 extra_display = gdk_display_open (NULL);
155 test_error_trapping (extra_display);
156 gdk_display_close (extra_display);
157
158 gdk_x11_display_error_trap_pop_ignored (gdk_display);
159 gdk_x11_display_error_trap_pop_ignored (gdk_display);
160
161 test_error_trapping (gdk_display_get_default ());
162
163 /* reassure us that the tests ran. */
164 g_print("All errors properly trapped.\n");
165
166 return 0;
167 }
168
169