xi2.c revision ed6184df 
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/* Test relies on assert() */
25#undef NDEBUG
26
27#ifdef HAVE_DIX_CONFIG_H
28#include <dix-config.h>
29#endif
30
31#include <stdint.h>
32#include "inpututils.h"
33#include "inputstr.h"
34#include "assert.h"
35
36#include "protocol-common.h"
37
38ClientRec client_window;
39
40static void
41xi2mask_test(void)
42{
43    XI2Mask *xi2mask = NULL, *mergemask = NULL;
44    unsigned char *mask;
45    DeviceIntRec dev;
46    DeviceIntRec all_devices, all_master_devices;
47    int i;
48
49    all_devices.id = XIAllDevices;
50    inputInfo.all_devices = &all_devices;
51    all_master_devices.id = XIAllMasterDevices;
52    inputInfo.all_master_devices = &all_master_devices;
53
54    /* size >= nmasks * 2 for the test cases below */
55    xi2mask = xi2mask_new_with_size(MAXDEVICES + 2, (MAXDEVICES + 2) * 2);
56    assert(xi2mask);
57    assert(xi2mask->nmasks > 0);
58    assert(xi2mask->mask_size > 0);
59
60    assert(xi2mask_mask_size(xi2mask) == xi2mask->mask_size);
61    assert(xi2mask_num_masks(xi2mask) == xi2mask->nmasks);
62
63    mask = calloc(1, xi2mask_mask_size(xi2mask));
64    /* ensure zeros */
65    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
66        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
67
68        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
69    }
70
71    /* set various bits */
72    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
73        const unsigned char *m;
74
75        xi2mask_set(xi2mask, i, i);
76
77        dev.id = i;
78        assert(xi2mask_isset(xi2mask, &dev, i));
79
80        m = xi2mask_get_one_mask(xi2mask, i);
81        SetBit(mask, i);
82        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
83        ClearBit(mask, i);
84    }
85
86    /* ensure zeros one-by-one */
87    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
88        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
89
90        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) != 0);
91        xi2mask_zero(xi2mask, i);
92        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
93    }
94
95    /* re-set, zero all */
96    for (i = 0; i < xi2mask_num_masks(xi2mask); i++)
97        xi2mask_set(xi2mask, i, i);
98    xi2mask_zero(xi2mask, -1);
99
100    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
101        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
102
103        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
104    }
105
106    for (i = 0; i < xi2mask_num_masks(xi2mask); i++) {
107        const unsigned char *m;
108
109        SetBit(mask, i);
110        xi2mask_set_one_mask(xi2mask, i, mask, xi2mask_mask_size(xi2mask));
111        m = xi2mask_get_one_mask(xi2mask, i);
112        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
113        ClearBit(mask, i);
114    }
115
116    mergemask = xi2mask_new_with_size(MAXDEVICES + 2, (MAXDEVICES + 2) * 2);
117    for (i = 0; i < xi2mask_num_masks(mergemask); i++) {
118        dev.id = i;
119        xi2mask_set(mergemask, i, i * 2);
120    }
121
122    /* xi2mask still has all i bits set, should now also have all i * 2 bits */
123    xi2mask_merge(xi2mask, mergemask);
124    for (i = 0; i < xi2mask_num_masks(mergemask); i++) {
125        const unsigned char *m = xi2mask_get_one_mask(xi2mask, i);
126
127        SetBit(mask, i);
128        SetBit(mask, i * 2);
129        assert(memcmp(mask, m, xi2mask_mask_size(xi2mask)) == 0);
130        ClearBit(mask, i);
131        ClearBit(mask, i * 2);
132    }
133
134    xi2mask_free(&xi2mask);
135    assert(xi2mask == NULL);
136
137    xi2mask_free(&mergemask);
138    assert(mergemask == NULL);
139    free(mask);
140}
141
142int
143xi2_test(void)
144{
145    xi2mask_test();
146
147    return 0;
148}
149