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