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