xi2.c revision 1b5d61b8 
1/**
2 * Copyright © 2011 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#include <stdint.h>
29#include "inpututils.h"
30#include "inputstr.h"
31#include "assert.h"
32
33#include "protocol-common.h"
34
35ClientRec client_window;
36
37static void
38xi2mask_test(void)
39{
40    XI2Mask *xi2mask = NULL, *mergemask = NULL;
41    unsigned char *mask;
42    DeviceIntRec dev;
43    DeviceIntRec all_devices, all_master_devices;
44    int i;
45
46    all_devices.id = XIAllDevices;
47    inputInfo.all_devices = &all_devices;
48    all_master_devices.id = XIAllMasterDevices;
49    inputInfo.all_master_devices = &all_master_devices;
50
51    /* size >= nmasks * 2 for the test cases below */
52    xi2mask = xi2mask_new_with_size(MAXDEVICES + 2, (MAXDEVICES + 2) * 2);
53    assert(xi2mask);
54    assert(xi2mask->nmasks > 0);
55    assert(xi2mask->mask_size > 0);
56
57    assert(xi2mask_mask_size(xi2mask) == xi2mask->mask_size);
58    assert(xi2mask_num_masks(xi2mask) == xi2mask->nmasks);
59
60    mask = calloc(1, xi2mask_mask_size(xi2mask));
61    /* ensure zeros */
62    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
63        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
64
65        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
66    }
67
68    /* set various bits */
69    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
70        const unsigned char *m;
71
72        xi2mask_set(xi2mask, i, i);
73
74        dev.id = i;
75        assert(xi2mask_isset(xi2mask, &dev, i));
76
77        m = xi2mask_get_one_mask(xi2mask, i);
78        SetBit(mask, i);
79        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
80        ClearBit(mask, i);
81    }
82
83    /* ensure zeros one-by-one */
84    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
85        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
86
87        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) != 0);
88        xi2mask_zero(xi2mask, i);
89        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
90    }
91
92    /* re-set, zero all */
93    for (i = 0; i < xi2mask_num_masks(xi2mask); i++)
94        xi2mask_set(xi2mask, i, i);
95    xi2mask_zero(xi2mask, -1);
96
97    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
98        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
99
100        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
101    }
102
103    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
104        const unsigned char *m;
105
106        SetBit(mask, i);
107        xi2mask_set_one_mask(xi2mask, i, mask, xi2mask_mask_size(xi2mask));
108        m = xi2mask_get_one_mask(xi2mask, i);
109        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
110        ClearBit(mask, i);
111    }
112
113    mergemask = xi2mask_new_with_size(MAXDEVICES + 2, (MAXDEVICES + 2) * 2);
114    for (i = 0; i < xi2mask_num_masks(mergemask); i++) {
115        dev.id = i;
116        xi2mask_set(mergemask, i, i * 2);
117    }
118
119    /* xi2mask still has all i bits set, should now also have all i * 2 bits */
120    xi2mask_merge(xi2mask, mergemask);
121    for (i = 0; i < xi2mask_num_masks(mergemask); i++) {
122        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
123
124        SetBit(mask, i);
125        SetBit(mask, i * 2);
126        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
127        ClearBit(mask, i);
128        ClearBit(mask, i * 2);
129    }
130
131    xi2mask_free(&xi2mask);
132    assert(xi2mask == NULL);
133
134    xi2mask_free(&mergemask);
135    assert(mergemask == NULL);
136    free(mask);
137}
138
139int
140xi2_test(void)
141{
142    xi2mask_test();
143
144    return 0;
145}
146