1cfaff0e5SAndy Shevchenko /*
2cfaff0e5SAndy Shevchenko * Test cases for lib/uuid.c module.
3cfaff0e5SAndy Shevchenko */
4cfaff0e5SAndy Shevchenko #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
5cfaff0e5SAndy Shevchenko
6cfaff0e5SAndy Shevchenko #include <linux/init.h>
7cfaff0e5SAndy Shevchenko #include <linux/kernel.h>
8cfaff0e5SAndy Shevchenko #include <linux/module.h>
9cfaff0e5SAndy Shevchenko #include <linux/string.h>
10cfaff0e5SAndy Shevchenko #include <linux/uuid.h>
11cfaff0e5SAndy Shevchenko
12cfaff0e5SAndy Shevchenko struct test_uuid_data {
13cfaff0e5SAndy Shevchenko const char *uuid;
14f9727a17SChristoph Hellwig guid_t le;
15f9727a17SChristoph Hellwig uuid_t be;
16cfaff0e5SAndy Shevchenko };
17cfaff0e5SAndy Shevchenko
18cfaff0e5SAndy Shevchenko static const struct test_uuid_data test_uuid_test_data[] = {
19cfaff0e5SAndy Shevchenko {
20cfaff0e5SAndy Shevchenko .uuid = "c33f4995-3701-450e-9fbf-206a2e98e576",
21f9727a17SChristoph Hellwig .le = GUID_INIT(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76),
22f9727a17SChristoph Hellwig .be = UUID_INIT(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76),
23cfaff0e5SAndy Shevchenko },
24cfaff0e5SAndy Shevchenko {
25cfaff0e5SAndy Shevchenko .uuid = "64b4371c-77c1-48f9-8221-29f054fc023b",
26f9727a17SChristoph Hellwig .le = GUID_INIT(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b),
27f9727a17SChristoph Hellwig .be = UUID_INIT(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b),
28cfaff0e5SAndy Shevchenko },
29cfaff0e5SAndy Shevchenko {
30cfaff0e5SAndy Shevchenko .uuid = "0cb4ddff-a545-4401-9d06-688af53e7f84",
31f9727a17SChristoph Hellwig .le = GUID_INIT(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84),
32f9727a17SChristoph Hellwig .be = UUID_INIT(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84),
33cfaff0e5SAndy Shevchenko },
34cfaff0e5SAndy Shevchenko };
35cfaff0e5SAndy Shevchenko
36cfaff0e5SAndy Shevchenko static const char * const test_uuid_wrong_data[] = {
37cfaff0e5SAndy Shevchenko "c33f4995-3701-450e-9fbf206a2e98e576 ", /* no hyphen(s) */
38cfaff0e5SAndy Shevchenko "64b4371c-77c1-48f9-8221-29f054XX023b", /* invalid character(s) */
39cfaff0e5SAndy Shevchenko "0cb4ddff-a545-4401-9d06-688af53e", /* not enough data */
40cfaff0e5SAndy Shevchenko };
41cfaff0e5SAndy Shevchenko
42cfaff0e5SAndy Shevchenko static unsigned total_tests __initdata;
43cfaff0e5SAndy Shevchenko static unsigned failed_tests __initdata;
44cfaff0e5SAndy Shevchenko
test_uuid_failed(const char * prefix,bool wrong,bool be,const char * data,const char * actual)45cfaff0e5SAndy Shevchenko static void __init test_uuid_failed(const char *prefix, bool wrong, bool be,
46cfaff0e5SAndy Shevchenko const char *data, const char *actual)
47cfaff0e5SAndy Shevchenko {
48cfaff0e5SAndy Shevchenko pr_err("%s test #%u %s %s data: '%s'\n",
49cfaff0e5SAndy Shevchenko prefix,
50cfaff0e5SAndy Shevchenko total_tests,
51cfaff0e5SAndy Shevchenko wrong ? "passed on wrong" : "failed on",
52cfaff0e5SAndy Shevchenko be ? "BE" : "LE",
53cfaff0e5SAndy Shevchenko data);
54cfaff0e5SAndy Shevchenko if (actual && *actual)
55cfaff0e5SAndy Shevchenko pr_err("%s test #%u actual data: '%s'\n",
56cfaff0e5SAndy Shevchenko prefix,
57cfaff0e5SAndy Shevchenko total_tests,
58cfaff0e5SAndy Shevchenko actual);
59cfaff0e5SAndy Shevchenko failed_tests++;
60cfaff0e5SAndy Shevchenko }
61cfaff0e5SAndy Shevchenko
test_uuid_test(const struct test_uuid_data * data)62cfaff0e5SAndy Shevchenko static void __init test_uuid_test(const struct test_uuid_data *data)
63cfaff0e5SAndy Shevchenko {
64f9727a17SChristoph Hellwig guid_t le;
65f9727a17SChristoph Hellwig uuid_t be;
66cfaff0e5SAndy Shevchenko char buf[48];
67cfaff0e5SAndy Shevchenko
68cfaff0e5SAndy Shevchenko /* LE */
69cfaff0e5SAndy Shevchenko total_tests++;
70f9727a17SChristoph Hellwig if (guid_parse(data->uuid, &le))
71cfaff0e5SAndy Shevchenko test_uuid_failed("conversion", false, false, data->uuid, NULL);
72cfaff0e5SAndy Shevchenko
73cfaff0e5SAndy Shevchenko total_tests++;
74df33767dSChristoph Hellwig if (!guid_equal(&data->le, &le)) {
75cfaff0e5SAndy Shevchenko sprintf(buf, "%pUl", &le);
76cfaff0e5SAndy Shevchenko test_uuid_failed("cmp", false, false, data->uuid, buf);
77cfaff0e5SAndy Shevchenko }
78cfaff0e5SAndy Shevchenko
79cfaff0e5SAndy Shevchenko /* BE */
80cfaff0e5SAndy Shevchenko total_tests++;
81f9727a17SChristoph Hellwig if (uuid_parse(data->uuid, &be))
82cfaff0e5SAndy Shevchenko test_uuid_failed("conversion", false, true, data->uuid, NULL);
83cfaff0e5SAndy Shevchenko
84cfaff0e5SAndy Shevchenko total_tests++;
85*d9cf4841SChristoph Hellwig if (!uuid_equal(&data->be, &be)) {
86cfaff0e5SAndy Shevchenko sprintf(buf, "%pUb", &be);
87cfaff0e5SAndy Shevchenko test_uuid_failed("cmp", false, true, data->uuid, buf);
88cfaff0e5SAndy Shevchenko }
89cfaff0e5SAndy Shevchenko }
90cfaff0e5SAndy Shevchenko
test_uuid_wrong(const char * data)91cfaff0e5SAndy Shevchenko static void __init test_uuid_wrong(const char *data)
92cfaff0e5SAndy Shevchenko {
93f9727a17SChristoph Hellwig guid_t le;
94f9727a17SChristoph Hellwig uuid_t be;
95cfaff0e5SAndy Shevchenko
96cfaff0e5SAndy Shevchenko /* LE */
97cfaff0e5SAndy Shevchenko total_tests++;
98f9727a17SChristoph Hellwig if (!guid_parse(data, &le))
99cfaff0e5SAndy Shevchenko test_uuid_failed("negative", true, false, data, NULL);
100cfaff0e5SAndy Shevchenko
101cfaff0e5SAndy Shevchenko /* BE */
102cfaff0e5SAndy Shevchenko total_tests++;
103f9727a17SChristoph Hellwig if (!uuid_parse(data, &be))
104cfaff0e5SAndy Shevchenko test_uuid_failed("negative", true, true, data, NULL);
105cfaff0e5SAndy Shevchenko }
106cfaff0e5SAndy Shevchenko
test_uuid_init(void)107cfaff0e5SAndy Shevchenko static int __init test_uuid_init(void)
108cfaff0e5SAndy Shevchenko {
109cfaff0e5SAndy Shevchenko unsigned int i;
110cfaff0e5SAndy Shevchenko
111cfaff0e5SAndy Shevchenko for (i = 0; i < ARRAY_SIZE(test_uuid_test_data); i++)
112cfaff0e5SAndy Shevchenko test_uuid_test(&test_uuid_test_data[i]);
113cfaff0e5SAndy Shevchenko
114cfaff0e5SAndy Shevchenko for (i = 0; i < ARRAY_SIZE(test_uuid_wrong_data); i++)
115cfaff0e5SAndy Shevchenko test_uuid_wrong(test_uuid_wrong_data[i]);
116cfaff0e5SAndy Shevchenko
117cfaff0e5SAndy Shevchenko if (failed_tests == 0)
118cfaff0e5SAndy Shevchenko pr_info("all %u tests passed\n", total_tests);
119cfaff0e5SAndy Shevchenko else
120cfaff0e5SAndy Shevchenko pr_err("failed %u out of %u tests\n", failed_tests, total_tests);
121cfaff0e5SAndy Shevchenko
122cfaff0e5SAndy Shevchenko return failed_tests ? -EINVAL : 0;
123cfaff0e5SAndy Shevchenko }
124cfaff0e5SAndy Shevchenko module_init(test_uuid_init);
125cfaff0e5SAndy Shevchenko
test_uuid_exit(void)126cfaff0e5SAndy Shevchenko static void __exit test_uuid_exit(void)
127cfaff0e5SAndy Shevchenko {
128cfaff0e5SAndy Shevchenko /* do nothing */
129cfaff0e5SAndy Shevchenko }
130cfaff0e5SAndy Shevchenko module_exit(test_uuid_exit);
131cfaff0e5SAndy Shevchenko
132cfaff0e5SAndy Shevchenko MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
133cfaff0e5SAndy Shevchenko MODULE_LICENSE("Dual BSD/GPL");
134