tests/unit/test_uuid.cpp

   1 /*
   2  * Copyright 2019 Michael Jeanson <mjeanson@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #include "common/uuid.hpp"
   9
  10 #include <stdbool.h>
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <tap/tap.h>
  14
  15 #define NR_TESTS 21
  16
  17 static const char valid_str_1[] = "3d260c88-75ea-47b8-a7e2-d6077c0378d9";
  18 static const char valid_str_2[] = "611cf3a6-a68b-4515-834f-208bc2762592";
  19 static const char valid_str_3[] = "1b4855cc-96de-4ae8-abe3-86449c2a43c4";
  20 static const char valid_str_4[] = "8ADED5B9-ACD2-439F-A60C-897403AA2AB4";
  21 static const char valid_str_5[] = "f109e0a2-C619-4d18-b760-20EA20E0F69A";
  22
  23 static lttng_uuid valid_uuid_1 = { 0x3d, 0x26, 0x0c, 0x88, 0x75, 0xea, 0x47, 0xb8,
  24                                    0xa7, 0xe2, 0xd6, 0x07, 0x7c, 0x03, 0x78, 0xd9 };
  25 static lttng_uuid valid_uuid_2 = { 0x61, 0x1c, 0xf3, 0xa6, 0xa6, 0x8b, 0x45, 0x15,
  26                                    0x83, 0x4f, 0x20, 0x8b, 0xc2, 0x76, 0x25, 0x92 };
  27 static lttng_uuid valid_uuid_3 = { 0x1b, 0x48, 0x55, 0xcc, 0x96, 0xde, 0x4a, 0xe8,
  28                                    0xab, 0xe3, 0x86, 0x44, 0x9c, 0x2a, 0x43, 0xc4 };
  29
  30 static const char invalid_str_1[] = "1b485!cc-96de-4XX8-abe3-86449c2a43?4";
  31 static const char invalid_str_2[] = "c2e6eddb&3955&4006&be3a&70bb63bd5f25";
  32 static const char invalid_str_3[] = "81b1cb88-ff42-45b9-ba4d-964088ee45";
  33 static const char invalid_str_4[] = "2d-6c6d756574-470e-9142-a4e6ad03f143";
  34 static const char invalid_str_5[] = "4542ad19-9e4f-4931-8261-2101c3e089ae7";
  35 static const char invalid_str_6[] = "XX0123";
  36
  37 /* For error.hpp */
  38 int lttng_opt_quiet = 1;
  39 int lttng_opt_verbose = 0;
  40 int lttng_opt_mi;
  41
  42 static void run_test_lttng_uuid_from_str()
  43 {
  44         int ret;
  45         lttng_uuid uuid1;
  46
  47         /*
  48          * Parse valid UUID strings, expect success.
  49          */
  50         ret = lttng_uuid_from_str(valid_str_1, uuid1);
  51         ok(ret == 0, "lttng_uuid_from_str - Parse valid string '%s', expect success", valid_str_1);
  52
  53         ret = lttng_uuid_from_str(valid_str_2, uuid1);
  54         ok(ret == 0, "lttng_uuid_from_str - Parse valid string '%s', expect success", valid_str_2);
  55
  56         ret = lttng_uuid_from_str(valid_str_3, uuid1);
  57         ok(ret == 0, "lttng_uuid_from_str - Parse valid string '%s', expect success", valid_str_3);
  58
  59         ret = lttng_uuid_from_str(valid_str_4, uuid1);
  60         ok(ret == 0, "lttng_uuid_from_str - Parse valid string '%s', expect success", valid_str_4);
  61
  62         ret = lttng_uuid_from_str(valid_str_5, uuid1);
  63         ok(ret == 0, "lttng_uuid_from_str - Parse valid string '%s', expect success", valid_str_5);
  64
  65         /*
  66          * Parse invalid UUID strings, expect failure.
  67          */
  68         ret = lttng_uuid_from_str(invalid_str_1, uuid1);
  69         ok(ret != 0,
  70            "lttng_uuid_from_str - Parse invalid string '%s', expect failure",
  71            invalid_str_1);
  72
  73         ret = lttng_uuid_from_str(invalid_str_2, uuid1);
  74         ok(ret != 0,
  75            "lttng_uuid_from_str - Parse invalid string '%s', expect failure",
  76            invalid_str_2);
  77
  78         ret = lttng_uuid_from_str(invalid_str_3, uuid1);
  79         ok(ret != 0,
  80            "lttng_uuid_from_str - Parse invalid string '%s', expect failure",
  81            invalid_str_3);
  82
  83         ret = lttng_uuid_from_str(invalid_str_4, uuid1);
  84         ok(ret != 0,
  85            "lttng_uuid_from_str - Parse invalid string '%s', expect failure",
  86            invalid_str_4);
  87
  88         ret = lttng_uuid_from_str(invalid_str_5, uuid1);
  89         ok(ret != 0,
  90            "lttng_uuid_from_str - Parse invalid string '%s', expect failure",
  91            invalid_str_5);
  92
  93         ret = lttng_uuid_from_str(invalid_str_6, uuid1);
  94         ok(ret != 0,
  95            "lttng_uuid_from_str - Parse invalid string '%s', expect failure",
  96            invalid_str_6);
  97 }
  98
  99 static void run_test_lttng_uuid_to_str()
 100 {
 101         char uuid_str[LTTNG_UUID_STR_LEN];
 102
 103         lttng_uuid_to_str(valid_uuid_1, uuid_str);
 104         ok(strcmp(uuid_str, valid_str_1) == 0,
 105            "lttng_uuid_to_str - Convert UUID '%s' to string, expect success",
 106            valid_str_1);
 107
 108         lttng_uuid_to_str(valid_uuid_2, uuid_str);
 109         ok(strcmp(uuid_str, valid_str_2) == 0,
 110            "lttng_uuid_to_str - Convert UUID '%s' to string, expect success",
 111            valid_str_2);
 112
 113         lttng_uuid_to_str(valid_uuid_3, uuid_str);
 114         ok(strcmp(uuid_str, valid_str_3) == 0,
 115            "lttng_uuid_to_str - Convert UUID '%s' to string, expect success",
 116            valid_str_3);
 117 }
 118
 119 static void run_test_lttng_uuid_is_equal()
 120 {
 121         int ret;
 122         lttng_uuid uuid1, uuid2;
 123
 124         ret = lttng_uuid_from_str(valid_str_1, uuid1);
 125         assert(ret == 0);
 126         ret = lttng_uuid_from_str(valid_str_1, uuid2);
 127         assert(ret == 0);
 128         ret = uuid1 == uuid2;
 129         ok(ret == true, "lttng_uuid_is_equal - Compare same UUID, expect success");
 130
 131         ret = lttng_uuid_from_str(valid_str_2, uuid2);
 132         assert(ret == 0);
 133         ret = uuid1 == uuid2;
 134         ok(ret == false, "lttng_uuid_is_equal - Compare different UUID, expect failure");
 135 }
 136
 137 static void run_test_lttng_uuid_copy()
 138 {
 139         bool ret;
 140         lttng_uuid uuid1;
 141
 142         uuid1 = valid_uuid_1;
 143         ret = uuid1 == valid_uuid_1;
 144
 145         ok(ret == true, "lttng_uuid_copy - Compare copied UUID with source, expect success");
 146 }
 147
 148 static void run_test_lttng_uuid_generate()
 149 {
 150         int ret;
 151         lttng_uuid uuid1, uuid2;
 152
 153         lttng_uuid_generate(uuid1);
 154         lttng_uuid_generate(uuid2);
 155
 156         ok(uuid1 != uuid2, "lttng_uuid_generate - Generated UUIDs are different");
 157
 158         /*
 159          * Set the two most significant bits (bits 6 and 7) of the
 160          * clock_seq_hi_and_reserved to zero and one, respectively.
 161          */
 162         ret = uuid1[8] & (1 << 6);
 163         ok(ret == 0, "lttng_uuid_generate - bit 6 of clock_seq_hi_and_reserved is set to zero");
 164
 165         ret = uuid1[8] & (1 << 7);
 166         ok(ret != 0, "lttng_uuid_generate - bit 7 of clock_seq_hi_and_reserved is set to one");
 167
 168         /*
 169          * Set the four most significant bits (bits 12 through 15) of the
 170          * time_hi_and_version field to the 4-bit version number from
 171          * Section 4.1.3.
 172          */
 173         ret = uuid1[6] >> 4;
 174         ok(ret == LTTNG_UUID_VER, "lttng_uuid_generate - Generated UUID version check");
 175 }
 176
 177 static void run_test()
 178 {
 179         plan_tests(NR_TESTS);
 180
 181         run_test_lttng_uuid_from_str();
 182         run_test_lttng_uuid_to_str();
 183         run_test_lttng_uuid_is_equal();
 184         run_test_lttng_uuid_copy();
 185         run_test_lttng_uuid_generate();
 186 }
 187
 188 int main()
 189 {
 190         /* Run tap-formated tests */
 191         run_test();
 192
 193         return exit_status();
 194 }