xref: /OK3568_Linux_fs/external/xserver/test/xi2/protocol-xigetselectedevents.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /**
2  * Copyright © 2009 Red Hat, Inc.
3  *
4  *  Permission is hereby granted, free of charge, to any person obtaining a
5  *  copy of this software and associated documentation files (the "Software"),
6  *  to deal in the Software without restriction, including without limitation
7  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  *  and/or sell copies of the Software, and to permit persons to whom the
9  *  Software is furnished to do so, subject to the following conditions:
10  *
11  *  The above copyright notice and this permission notice (including the next
12  *  paragraph) shall be included in all copies or substantial portions of the
13  *  Software.
14  *
15  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  *  DEALINGS IN THE SOFTWARE.
22  */
23 
24 #ifdef HAVE_DIX_CONFIG_H
25 #include <dix-config.h>
26 #endif
27 
28 /*
29  * Protocol testing for XIGetSelectedEvents request.
30  *
31  * Tests include:
32  * BadWindow on wrong window.
33  * Zero-length masks if no masks are set.
34  * Valid masks for valid devices.
35  * Masks set on non-existent devices are not returned.
36  *
37  * Note that this test is not connected to the XISelectEvents request.
38  */
39 #include <stdint.h>
40 #include <X11/X.h>
41 #include <X11/Xproto.h>
42 #include <X11/extensions/XI2proto.h>
43 #include "inputstr.h"
44 #include "windowstr.h"
45 #include "extinit.h"            /* for XInputExtensionInit */
46 #include "scrnintstr.h"
47 #include "xiselectev.h"
48 #include "exevents.h"
49 
50 #include "protocol-common.h"
51 
52 static void reply_XIGetSelectedEvents(ClientPtr client, int len, char *data,
53                                       void *userdata);
54 static void reply_XIGetSelectedEvents_data(ClientPtr client, int len,
55                                            char *data, void *userdata);
56 
57 static struct {
58     int num_masks_expected;
59     unsigned char mask[MAXDEVICES][XI2LASTEVENT];       /* intentionally bigger */
60     int mask_len;
61 } test_data;
62 
63 extern ClientRec client_window;
64 
65 /* AddResource is called from XISetSEventMask, we don't need this */
66 Bool
__wrap_AddResource(XID id,RESTYPE type,void * value)67 __wrap_AddResource(XID id, RESTYPE type, void *value)
68 {
69     return TRUE;
70 }
71 
72 static void
reply_XIGetSelectedEvents(ClientPtr client,int len,char * data,void * userdata)73 reply_XIGetSelectedEvents(ClientPtr client, int len, char *data, void *userdata)
74 {
75     xXIGetSelectedEventsReply *rep = (xXIGetSelectedEventsReply *) data;
76 
77     if (client->swapped) {
78         swapl(&rep->length);
79         swaps(&rep->sequenceNumber);
80         swaps(&rep->num_masks);
81     }
82 
83     reply_check_defaults(rep, len, XIGetSelectedEvents);
84 
85     assert(rep->num_masks == test_data.num_masks_expected);
86 
87     reply_handler = reply_XIGetSelectedEvents_data;
88 }
89 
90 static void
reply_XIGetSelectedEvents_data(ClientPtr client,int len,char * data,void * userdata)91 reply_XIGetSelectedEvents_data(ClientPtr client, int len, char *data,
92                                void *userdata)
93 {
94     int i;
95     xXIEventMask *mask;
96     unsigned char *bitmask;
97 
98     mask = (xXIEventMask *) data;
99     for (i = 0; i < test_data.num_masks_expected; i++) {
100         if (client->swapped) {
101             swaps(&mask->deviceid);
102             swaps(&mask->mask_len);
103         }
104 
105         assert(mask->deviceid < 6);
106         assert(mask->mask_len <= (((XI2LASTEVENT + 8) / 8) + 3) / 4);
107 
108         bitmask = (unsigned char *) &mask[1];
109         assert(memcmp(bitmask,
110                       test_data.mask[mask->deviceid], mask->mask_len * 4) == 0);
111 
112         mask =
113             (xXIEventMask *) ((char *) mask + mask->mask_len * 4 +
114                               sizeof(xXIEventMask));
115     }
116 
117 }
118 
119 static void
request_XIGetSelectedEvents(xXIGetSelectedEventsReq * req,int error)120 request_XIGetSelectedEvents(xXIGetSelectedEventsReq * req, int error)
121 {
122     int rc;
123     ClientRec client;
124 
125     client = init_client(req->length, req);
126 
127     reply_handler = reply_XIGetSelectedEvents;
128 
129     rc = ProcXIGetSelectedEvents(&client);
130     assert(rc == error);
131 
132     reply_handler = reply_XIGetSelectedEvents;
133     client.swapped = TRUE;
134     swapl(&req->win);
135     swaps(&req->length);
136     rc = SProcXIGetSelectedEvents(&client);
137     assert(rc == error);
138 }
139 
140 static void
test_XIGetSelectedEvents(void)141 test_XIGetSelectedEvents(void)
142 {
143     int i, j;
144     xXIGetSelectedEventsReq request;
145     ClientRec client = init_client(0, NULL);
146     unsigned char *mask;
147     DeviceIntRec dev;
148 
149     request_init(&request, XIGetSelectedEvents);
150 
151     printf("Testing for BadWindow on invalid window.\n");
152     request.win = None;
153     request_XIGetSelectedEvents(&request, BadWindow);
154 
155     printf("Testing for zero-length (unset) masks.\n");
156     /* No masks set yet */
157     test_data.num_masks_expected = 0;
158     request.win = ROOT_WINDOW_ID;
159     request_XIGetSelectedEvents(&request, Success);
160 
161     request.win = CLIENT_WINDOW_ID;
162     request_XIGetSelectedEvents(&request, Success);
163 
164     memset(test_data.mask, 0, sizeof(test_data.mask));
165 
166     printf("Testing for valid masks\n");
167     memset(&dev, 0, sizeof(dev));       /* dev->id is enough for XISetEventMask */
168     request.win = ROOT_WINDOW_ID;
169 
170     /* devices 6 - MAXDEVICES don't exist, they mustn't be included in the
171      * reply even if a mask is set */
172     for (j = 0; j < MAXDEVICES; j++) {
173         test_data.num_masks_expected = min(j + 1, devices.num_devices + 2);
174         dev.id = j;
175         mask = test_data.mask[j];
176         /* bits one-by-one */
177         for (i = 0; i < XI2LASTEVENT; i++) {
178             SetBit(mask, i);
179             XISetEventMask(&dev, &root, &client, (i + 8) / 8, mask);
180             request_XIGetSelectedEvents(&request, Success);
181             ClearBit(mask, i);
182         }
183 
184         /* all valid mask bits */
185         for (i = 0; i < XI2LASTEVENT; i++) {
186             SetBit(mask, i);
187             XISetEventMask(&dev, &root, &client, (i + 8) / 8, mask);
188             request_XIGetSelectedEvents(&request, Success);
189         }
190     }
191 
192     printf("Testing removing all masks\n");
193     /* Unset all masks one-by-one */
194     for (j = MAXDEVICES - 1; j >= 0; j--) {
195         if (j < devices.num_devices + 2)
196             test_data.num_masks_expected--;
197 
198         mask = test_data.mask[j];
199         memset(mask, 0, XI2LASTEVENT);
200 
201         dev.id = j;
202         XISetEventMask(&dev, &root, &client, 0, NULL);
203 
204         request_XIGetSelectedEvents(&request, Success);
205     }
206 }
207 
208 int
protocol_xigetselectedevents_test(void)209 protocol_xigetselectedevents_test(void)
210 {
211     init_simple();
212     enable_GrabButton_wrap = 0;
213     enable_XISetEventMask_wrap = 0;
214 
215     test_XIGetSelectedEvents();
216 
217     return 0;
218 }
219