tests/test-uuid.c

   1 /*
   2  * QEMU UUID Library
   3  *
   4  * Copyright (c) 2016 Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "qemu/osdep.h"
  22 #include "qemu/uuid.h"
  23
  24 struct {
  25     const char *uuidstr;
  26     QemuUUID uuid;
  27     bool uuidstr_is_valid;
  28     bool check_unparse;
  29 } uuid_test_data[] = {
  30     {    /* Normal */
  31         "586ece27-7f09-41e0-9e74-e901317e9d42",
  32         { { {
  33              0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0,
  34              0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42,
  35         } } },
  36         true, true,
  37     }, { /* NULL */
  38         "00000000-0000-0000-0000-000000000000",
  39         { },
  40         true, true,
  41     }, { /* Upper case */
  42         "0CC6C752-3961-4028-A286-C05CC616D396",
  43         { { {
  44              0x0c, 0xc6, 0xc7, 0x52, 0x39, 0x61, 0x40, 0x28,
  45              0xa2, 0x86, 0xc0, 0x5c, 0xc6, 0x16, 0xd3, 0x96,
  46         } } },
  47         true, false,
  48     }, { /* Mixed case */
  49         "0CC6C752-3961-4028-a286-c05cc616D396",
  50         { { {
  51              0x0c, 0xc6, 0xc7, 0x52, 0x39, 0x61, 0x40, 0x28,
  52              0xa2, 0x86, 0xc0, 0x5c, 0xc6, 0x16, 0xd3, 0x96,
  53         } } },
  54         true, false,
  55     }, { /* Empty */
  56         ""
  57     }, { /* Too short */
  58         "abc",
  59     }, { /* Non-hex */
  60         "abcdefgh-0000-0000-0000-000000000000",
  61     }, { /* No '-' */
  62         "0cc6c75239614028a286c05cc616d396",
  63     }, { /* '-' in wrong position */
  64         "0cc6c-7523961-4028-a286-c05cc616d396",
  65     }, { /* Double '-' */
  66         "0cc6c752--3961-4028-a286-c05cc616d396",
  67     }, { /* Too long */
  68         "0000000000000000000000000000000000000000000000",
  69     }, { /* Invalid char in the beginning */
  70         ")cc6c752-3961-4028-a286-c05cc616d396",
  71     }, { /* Invalid char in the beginning, in extra */
  72         ")0cc6c752-3961-4028-a286-c05cc616d396",
  73     }, { /* Invalid char in the middle */
  74         "0cc6c752-39*1-4028-a286-c05cc616d396",
  75     }, { /* Invalid char in the middle, in extra */
  76         "0cc6c752-39*61-4028-a286-c05cc616d396",
  77     }, { /* Invalid char in the end */
  78         "0cc6c752-3961-4028-a286-c05cc616d39&",
  79     }, { /* Invalid char in the end, in extra */
  80         "0cc6c752-3961-4028-a286-c05cc616d396&",
  81     }, { /* Short end and trailing space */
  82         "0cc6c752-3961-4028-a286-c05cc616d39 ",
  83     }, { /* Leading space and short end */
  84         " 0cc6c752-3961-4028-a286-c05cc616d39",
  85     },
  86 };
  87
  88 static inline bool uuid_is_valid(QemuUUID *uuid)
  89 {
  90     return qemu_uuid_is_null(uuid) ||
  91             ((uuid->data[6] & 0xf0) == 0x40 && (uuid->data[8] & 0xc0) == 0x80);
  92 }
  93
  94 static void test_uuid_generate(void)
  95 {
  96     QemuUUID uuid_not_null = { { {
  97         0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0,
  98         0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42
  99     } } };
 100     QemuUUID uuid;
 101     int i;
 102
 103     for (i = 0; i < 100; ++i) {
 104         qemu_uuid_generate(&uuid);
 105         g_assert(uuid_is_valid(&uuid));
 106         g_assert_false(qemu_uuid_is_null(&uuid));
 107         g_assert_false(qemu_uuid_is_equal(&uuid_not_null, &uuid));
 108     }
 109 }
 110
 111 static void test_uuid_is_null(void)
 112 {
 113     QemuUUID uuid_null = { };
 114     QemuUUID uuid_not_null = { { {
 115         0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0,
 116         0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42
 117     } } };
 118     QemuUUID uuid_not_null_2 = { { { 1 } } };
 119
 120     g_assert(qemu_uuid_is_null(&uuid_null));
 121     g_assert_false(qemu_uuid_is_null(&uuid_not_null));
 122     g_assert_false(qemu_uuid_is_null(&uuid_not_null_2));
 123 }
 124
 125 static void test_uuid_parse(void)
 126 {
 127     int i, r;
 128
 129     for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) {
 130         QemuUUID uuid;
 131         bool is_valid = uuid_test_data[i].uuidstr_is_valid;
 132
 133         r = qemu_uuid_parse(uuid_test_data[i].uuidstr, &uuid);
 134         g_assert_cmpint(!r, ==, is_valid);
 135         if (is_valid) {
 136             g_assert_cmpint(is_valid, ==, uuid_is_valid(&uuid));
 137             g_assert_cmpmem(&uuid_test_data[i].uuid, sizeof(uuid),
 138                             &uuid, sizeof(uuid));
 139         }
 140     }
 141 }
 142
 143 static void test_uuid_unparse(void)
 144 {
 145     int i;
 146
 147     for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) {
 148         char out[37];
 149
 150         if (!uuid_test_data[i].check_unparse) {
 151             continue;
 152         }
 153         qemu_uuid_unparse(&uuid_test_data[i].uuid, out);
 154         g_assert_cmpstr(uuid_test_data[i].uuidstr, ==, out);
 155     }
 156 }
 157
 158 static void test_uuid_unparse_strdup(void)
 159 {
 160     int i;
 161
 162     for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) {
 163         char *out;
 164
 165         if (!uuid_test_data[i].check_unparse) {
 166             continue;
 167         }
 168         out = qemu_uuid_unparse_strdup(&uuid_test_data[i].uuid);
 169         g_assert_cmpstr(uuid_test_data[i].uuidstr, ==, out);
 170         g_free(out);
 171     }
 172 }
 173
 174 int main(int argc, char **argv)
 175 {
 176     g_test_init(&argc, &argv, NULL);
 177     g_test_add_func("/uuid/is_null", test_uuid_is_null);
 178     g_test_add_func("/uuid/generate", test_uuid_generate);
 179     g_test_add_func("/uuid/parse", test_uuid_parse);
 180     g_test_add_func("/uuid/unparse", test_uuid_unparse);
 181     g_test_add_func("/uuid/unparse_strdup", test_uuid_unparse_strdup);
 182
 183     return g_test_run();
 184 }