src/test/test-strv.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "alloc-util.h"
   4 #include "escape.h"
   5 #include "nulstr-util.h"
   6 #include "specifier.h"
   7 #include "string-util.h"
   8 #include "strv.h"
   9
  10 static void test_specifier_printf(void) {
  11         static const Specifier table[] = {
  12                 { 'X', specifier_string,         (char*) "AAAA" },
  13                 { 'Y', specifier_string,         (char*) "BBBB" },
  14                 { 'm', specifier_machine_id,     NULL },
  15                 { 'b', specifier_boot_id,        NULL },
  16                 { 'H', specifier_host_name,      NULL },
  17                 { 'v', specifier_kernel_release, NULL },
  18                 { 'a', specifier_architecture,   NULL },
  19                 { 'o', specifier_os_id,          NULL },
  20                 { 'w', specifier_os_version_id,  NULL },
  21                 { 'B', specifier_os_build_id,    NULL },
  22                 { 'W', specifier_os_variant_id,  NULL },
  23                 {}
  24         };
  25
  26         _cleanup_free_ char *w = NULL;
  27         int r;
  28
  29         log_info("/* %s */", __func__);
  30
  31         r = specifier_printf("xxx a=%X b=%Y yyy", table, NULL, &w);
  32         assert_se(r >= 0);
  33         assert_se(w);
  34
  35         puts(w);
  36         assert_se(streq(w, "xxx a=AAAA b=BBBB yyy"));
  37
  38         free(w);
  39         r = specifier_printf("machine=%m, boot=%b, host=%H, version=%v, arch=%a", table, NULL, &w);
  40         assert_se(r >= 0);
  41         assert_se(w);
  42         puts(w);
  43
  44         w = mfree(w);
  45         specifier_printf("os=%o, os-version=%w, build=%B, variant=%W", table, NULL, &w);
  46         if (w)
  47                 puts(w);
  48 }
  49
  50 static void test_str_in_set(void) {
  51         log_info("/* %s */", __func__);
  52
  53         assert_se(STR_IN_SET("x", "x", "y", "z"));
  54         assert_se(!STR_IN_SET("X", "x", "y", "z"));
  55         assert_se(!STR_IN_SET("", "x", "y", "z"));
  56         assert_se(STR_IN_SET("x", "w", "x"));
  57 }
  58
  59 static void test_strptr_in_set(void) {
  60         log_info("/* %s */", __func__);
  61
  62         assert_se(STRPTR_IN_SET("x", "x", "y", "z"));
  63         assert_se(!STRPTR_IN_SET("X", "x", "y", "z"));
  64         assert_se(!STRPTR_IN_SET("", "x", "y", "z"));
  65         assert_se(STRPTR_IN_SET("x", "w", "x"));
  66
  67         assert_se(!STRPTR_IN_SET(NULL, "x", "y", "z"));
  68         assert_se(!STRPTR_IN_SET(NULL, ""));
  69         /* strv cannot contain a null, hence the result below */
  70         assert_se(!STRPTR_IN_SET(NULL, NULL));
  71 }
  72
  73 static void test_startswith_set(void) {
  74         log_info("/* %s */", __func__);
  75
  76         assert_se(!STARTSWITH_SET("foo", "bar", "baz", "waldo"));
  77         assert_se(!STARTSWITH_SET("foo", "bar"));
  78
  79         assert_se(STARTSWITH_SET("abc", "a", "ab", "abc"));
  80         assert_se(STARTSWITH_SET("abc", "ax", "ab", "abc"));
  81         assert_se(STARTSWITH_SET("abc", "ax", "abx", "abc"));
  82         assert_se(!STARTSWITH_SET("abc", "ax", "abx", "abcx"));
  83
  84         assert_se(streq_ptr(STARTSWITH_SET("foobar", "hhh", "kkk", "foo", "zzz"), "bar"));
  85         assert_se(streq_ptr(STARTSWITH_SET("foobar", "hhh", "kkk", "", "zzz"), "foobar"));
  86         assert_se(streq_ptr(STARTSWITH_SET("", "hhh", "kkk", "zzz", ""), ""));
  87 }
  88
  89 static const char* const input_table_multiple[] = {
  90         "one",
  91         "two",
  92         "three",
  93         NULL,
  94 };
  95
  96 static const char* const input_table_quoted[] = {
  97         "one",
  98         "  two\t three ",
  99         " four  five",
 100         NULL,
 101 };
 102
 103 static const char* const input_table_quoted_joined[] = {
 104         "one",
 105         "  two\t three " " four  five",
 106         NULL,
 107 };
 108
 109 static const char* const input_table_one[] = {
 110         "one",
 111         NULL,
 112 };
 113
 114 static const char* const input_table_none[] = {
 115         NULL,
 116 };
 117
 118 static const char* const input_table_two_empties[] = {
 119         "",
 120         "",
 121         NULL,
 122 };
 123
 124 static const char* const input_table_one_empty[] = {
 125         "",
 126         NULL,
 127 };
 128
 129 static void test_strv_find(void) {
 130         log_info("/* %s */", __func__);
 131
 132         assert_se(strv_find((char **)input_table_multiple, "three"));
 133         assert_se(!strv_find((char **)input_table_multiple, "four"));
 134 }
 135
 136 static void test_strv_find_prefix(void) {
 137         log_info("/* %s */", __func__);
 138
 139         assert_se(strv_find_prefix((char **)input_table_multiple, "o"));
 140         assert_se(strv_find_prefix((char **)input_table_multiple, "one"));
 141         assert_se(strv_find_prefix((char **)input_table_multiple, ""));
 142         assert_se(!strv_find_prefix((char **)input_table_multiple, "xxx"));
 143         assert_se(!strv_find_prefix((char **)input_table_multiple, "onee"));
 144 }
 145
 146 static void test_strv_find_startswith(void) {
 147         char *r;
 148
 149         log_info("/* %s */", __func__);
 150
 151         r = strv_find_startswith((char **)input_table_multiple, "o");
 152         assert_se(r && streq(r, "ne"));
 153
 154         r = strv_find_startswith((char **)input_table_multiple, "one");
 155         assert_se(r && streq(r, ""));
 156
 157         r = strv_find_startswith((char **)input_table_multiple, "");
 158         assert_se(r && streq(r, "one"));
 159
 160         assert_se(!strv_find_startswith((char **)input_table_multiple, "xxx"));
 161         assert_se(!strv_find_startswith((char **)input_table_multiple, "onee"));
 162 }
 163
 164 static void test_strv_join(void) {
 165         _cleanup_free_ char *p = NULL, *q = NULL, *r = NULL, *s = NULL, *t = NULL, *v = NULL, *w = NULL;
 166
 167         log_info("/* %s */", __func__);
 168
 169         p = strv_join((char **)input_table_multiple, ", ");
 170         assert_se(p);
 171         assert_se(streq(p, "one, two, three"));
 172
 173         q = strv_join((char **)input_table_multiple, ";");
 174         assert_se(q);
 175         assert_se(streq(q, "one;two;three"));
 176
 177         r = strv_join((char **)input_table_multiple, NULL);
 178         assert_se(r);
 179         assert_se(streq(r, "one two three"));
 180
 181         s = strv_join((char **)input_table_one, ", ");
 182         assert_se(s);
 183         assert_se(streq(s, "one"));
 184
 185         t = strv_join((char **)input_table_none, ", ");
 186         assert_se(t);
 187         assert_se(streq(t, ""));
 188
 189         v = strv_join((char **)input_table_two_empties, ", ");
 190         assert_se(v);
 191         assert_se(streq(v, ", "));
 192
 193         w = strv_join((char **)input_table_one_empty, ", ");
 194         assert_se(w);
 195         assert_se(streq(w, ""));
 196 }
 197
 198 static void test_strv_join_prefix(void) {
 199         _cleanup_free_ char *p = NULL, *q = NULL, *r = NULL, *s = NULL, *t = NULL, *v = NULL, *w = NULL;
 200
 201         log_info("/* %s */", __func__);
 202
 203         p = strv_join_prefix((char **)input_table_multiple, ", ", "foo");
 204         assert_se(p);
 205         assert_se(streq(p, "fooone, footwo, foothree"));
 206
 207         q = strv_join_prefix((char **)input_table_multiple, ";", "foo");
 208         assert_se(q);
 209         assert_se(streq(q, "fooone;footwo;foothree"));
 210
 211         r = strv_join_prefix((char **)input_table_multiple, NULL, "foo");
 212         assert_se(r);
 213         assert_se(streq(r, "fooone footwo foothree"));
 214
 215         s = strv_join_prefix((char **)input_table_one, ", ", "foo");
 216         assert_se(s);
 217         assert_se(streq(s, "fooone"));
 218
 219         t = strv_join_prefix((char **)input_table_none, ", ", "foo");
 220         assert_se(t);
 221         assert_se(streq(t, ""));
 222
 223         v = strv_join_prefix((char **)input_table_two_empties, ", ", "foo");
 224         assert_se(v);
 225         assert_se(streq(v, "foo, foo"));
 226
 227         w = strv_join_prefix((char **)input_table_one_empty, ", ", "foo");
 228         assert_se(w);
 229         assert_se(streq(w, "foo"));
 230 }
 231
 232 static void test_strv_unquote(const char *quoted, char **list) {
 233         _cleanup_strv_free_ char **s;
 234         _cleanup_free_ char *j;
 235         unsigned i = 0;
 236         char **t;
 237         int r;
 238
 239         log_info("/* %s */", __func__);
 240
 241         r = strv_split_full(&s, quoted, WHITESPACE, EXTRACT_UNQUOTE);
 242         assert_se(r == (int) strv_length(list));
 243         assert_se(s);
 244         j = strv_join(s, " | ");
 245         assert_se(j);
 246         puts(j);
 247
 248         STRV_FOREACH(t, s)
 249                 assert_se(streq(list[i++], *t));
 250
 251         assert_se(list[i] == NULL);
 252 }
 253
 254 static void test_invalid_unquote(const char *quoted) {
 255         char **s = NULL;
 256         int r;
 257
 258         log_info("/* %s */", __func__);
 259
 260         r = strv_split_full(&s, quoted, WHITESPACE, EXTRACT_UNQUOTE);
 261         assert_se(s == NULL);
 262         assert_se(r == -EINVAL);
 263 }
 264
 265 static void test_strv_split(void) {
 266         _cleanup_(strv_free_erasep) char **l = NULL;
 267         const char str[] = "one,two,three";
 268
 269         log_info("/* %s */", __func__);
 270
 271         l = strv_split(str, ",");
 272         assert_se(l);
 273         assert_se(strv_equal(l, (char**) input_table_multiple));
 274
 275         strv_free_erase(l);
 276
 277         l = strv_split("    one    two\t three", WHITESPACE);
 278         assert_se(l);
 279         assert_se(strv_equal(l, (char**) input_table_multiple));
 280
 281         strv_free_erase(l);
 282
 283         /* Setting NULL for separator is equivalent to WHITESPACE */
 284         l = strv_split("    one    two\t three", NULL);
 285         assert_se(l);
 286         assert_se(strv_equal(l, (char**) input_table_multiple));
 287
 288         strv_free_erase(l);
 289
 290         assert_se(strv_split_full(&l, "    one    two\t three", NULL, 0) == 3);
 291         assert_se(strv_equal(l, (char**) input_table_multiple));
 292
 293         strv_free_erase(l);
 294
 295         assert_se(strv_split_full(&l, "    'one'  \"  two\t three \" ' four  five'", NULL, EXTRACT_UNQUOTE) == 3);
 296         assert_se(strv_equal(l, (char**) input_table_quoted));
 297
 298         l = strv_free_erase(l);
 299
 300         /* missing last quote causes extraction to fail. */
 301         assert_se(strv_split_full(&l, "    'one'  \"  two\t three \" ' four  five", NULL, EXTRACT_UNQUOTE) == -EINVAL);
 302         assert_se(!l);
 303
 304         /* missing last quote, but the last element is _not_ ignored with EXTRACT_RELAX. */
 305         assert_se(strv_split_full(&l, "    'one'  \"  two\t three \" ' four  five", NULL, EXTRACT_UNQUOTE | EXTRACT_RELAX) == 3);
 306         assert_se(strv_equal(l, (char**) input_table_quoted));
 307
 308         l = strv_free_erase(l);
 309
 310         /* missing separator between items */
 311         assert_se(strv_split_full(&l, "    'one'  \"  two\t three \"' four  five'", NULL, EXTRACT_UNQUOTE | EXTRACT_RELAX) == 2);
 312         assert_se(strv_equal(l, (char**) input_table_quoted_joined));
 313
 314         l = strv_free_erase(l);
 315
 316         assert_se(strv_split_full(&l, "    'one'  \"  two\t three \"' four  five", NULL,
 317                                      EXTRACT_UNQUOTE | EXTRACT_RELAX | EXTRACT_CUNESCAPE_RELAX) == 2);
 318         assert_se(strv_equal(l, (char**) input_table_quoted_joined));
 319
 320         l = strv_free_erase(l);
 321
 322         assert_se(strv_split_full(&l, "\\", NULL, EXTRACT_UNQUOTE | EXTRACT_RELAX | EXTRACT_CUNESCAPE_RELAX) == 1);
 323         assert_se(strv_equal(l, STRV_MAKE("\\")));
 324 }
 325
 326 static void test_strv_split_empty(void) {
 327         _cleanup_strv_free_ char **l = NULL;
 328
 329         log_info("/* %s */", __func__);
 330
 331         l = strv_split("", WHITESPACE);
 332         assert_se(l);
 333         assert_se(strv_isempty(l));
 334         l = strv_free(l);
 335
 336         assert_se(l = strv_split("", NULL));
 337         assert_se(strv_isempty(l));
 338         l = strv_free(l);
 339
 340         assert_se(strv_split_full(&l, "", NULL, 0) == 0);
 341         assert_se(l);
 342         assert_se(strv_isempty(l));
 343         l = strv_free(l);
 344
 345         assert_se(strv_split_full(&l, "", NULL, EXTRACT_UNQUOTE) == 0);
 346         assert_se(l);
 347         assert_se(strv_isempty(l));
 348         l = strv_free(l);
 349
 350         assert_se(strv_split_full(&l, "", WHITESPACE, EXTRACT_UNQUOTE) == 0);
 351         assert_se(l);
 352         assert_se(strv_isempty(l));
 353         l = strv_free(l);
 354
 355         assert_se(strv_split_full(&l, "", WHITESPACE, EXTRACT_UNQUOTE | EXTRACT_RELAX) == 0);
 356         assert_se(l);
 357         assert_se(strv_isempty(l));
 358         strv_free(l);
 359
 360         l = strv_split("    ", WHITESPACE);
 361         assert_se(l);
 362         assert_se(strv_isempty(l));
 363         strv_free(l);
 364
 365         l = strv_split("    ", NULL);
 366         assert_se(l);
 367         assert_se(strv_isempty(l));
 368         l = strv_free(l);
 369
 370         assert_se(strv_split_full(&l, "    ", NULL, 0) == 0);
 371         assert_se(l);
 372         assert_se(strv_isempty(l));
 373         l = strv_free(l);
 374
 375         assert_se(strv_split_full(&l, "    ", WHITESPACE, EXTRACT_UNQUOTE) == 0);
 376         assert_se(l);
 377         assert_se(strv_isempty(l));
 378         l = strv_free(l);
 379
 380         assert_se(strv_split_full(&l, "    ", NULL, EXTRACT_UNQUOTE) == 0);
 381         assert_se(l);
 382         assert_se(strv_isempty(l));
 383         l = strv_free(l);
 384
 385         assert_se(strv_split_full(&l, "    ", NULL, EXTRACT_UNQUOTE | EXTRACT_RELAX) == 0);
 386         assert_se(l);
 387         assert_se(strv_isempty(l));
 388 }
 389
 390 static void test_strv_split_full(void) {
 391         _cleanup_strv_free_ char **l = NULL;
 392         const char *str = ":foo\\:bar::waldo:";
 393         int r;
 394
 395         log_info("/* %s */", __func__);
 396
 397         r = strv_split_full(&l, str, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
 398         assert_se(r == (int) strv_length(l));
 399         assert_se(streq_ptr(l[0], ""));
 400         assert_se(streq_ptr(l[1], "foo:bar"));
 401         assert_se(streq_ptr(l[2], ""));
 402         assert_se(streq_ptr(l[3], "waldo"));
 403         assert_se(streq_ptr(l[4], ""));
 404         assert_se(streq_ptr(l[5], NULL));
 405 }
 406
 407 static void test_strv_split_colon_pairs(void) {
 408         _cleanup_strv_free_ char **l = NULL;
 409         const char *str = "one:two three four:five six seven:eight\\:nine ten\\:eleven\\\\",
 410                    *str_inval="one:two three:four:five";
 411         int r;
 412
 413         log_info("/* %s */", __func__);
 414
 415         r = strv_split_colon_pairs(&l, str);
 416         assert_se(r == (int) strv_length(l));
 417         assert_se(r == 12);
 418         assert_se(streq_ptr(l[0], "one"));
 419         assert_se(streq_ptr(l[1], "two"));
 420         assert_se(streq_ptr(l[2], "three"));
 421         assert_se(streq_ptr(l[3], ""));
 422         assert_se(streq_ptr(l[4], "four"));
 423         assert_se(streq_ptr(l[5], "five"));
 424         assert_se(streq_ptr(l[6], "six"));
 425         assert_se(streq_ptr(l[7], ""));
 426         assert_se(streq_ptr(l[8], "seven"));
 427         assert_se(streq_ptr(l[9], "eight:nine"));
 428         assert_se(streq_ptr(l[10], "ten:eleven\\"));
 429         assert_se(streq_ptr(l[11], ""));
 430         assert_se(streq_ptr(l[12], NULL));
 431
 432         r = strv_split_colon_pairs(&l, str_inval);
 433         assert_se(r == -EINVAL);
 434 }
 435
 436 static void test_strv_split_newlines(void) {
 437         unsigned i = 0;
 438         char **s;
 439         _cleanup_strv_free_ char **l = NULL;
 440         const char str[] = "one\ntwo\nthree";
 441
 442         log_info("/* %s */", __func__);
 443
 444         l = strv_split_newlines(str);
 445         assert_se(l);
 446
 447         STRV_FOREACH(s, l)
 448                 assert_se(streq(*s, input_table_multiple[i++]));
 449 }
 450
 451 static void test_strv_split_nulstr(void) {
 452         _cleanup_strv_free_ char **l = NULL;
 453         const char nulstr[] = "str0\0str1\0str2\0str3\0";
 454
 455         log_info("/* %s */", __func__);
 456
 457         l = strv_split_nulstr (nulstr);
 458         assert_se(l);
 459
 460         assert_se(streq(l[0], "str0"));
 461         assert_se(streq(l[1], "str1"));
 462         assert_se(streq(l[2], "str2"));
 463         assert_se(streq(l[3], "str3"));
 464 }
 465
 466 static void test_strv_parse_nulstr(void) {
 467         _cleanup_strv_free_ char **l = NULL;
 468         const char nulstr[] = "hoge\0hoge2\0hoge3\0\0hoge5\0\0xxx";
 469
 470         log_info("/* %s */", __func__);
 471
 472         l = strv_parse_nulstr(nulstr, sizeof(nulstr)-1);
 473         assert_se(l);
 474         puts("Parse nulstr:");
 475         strv_print(l);
 476
 477         assert_se(streq(l[0], "hoge"));
 478         assert_se(streq(l[1], "hoge2"));
 479         assert_se(streq(l[2], "hoge3"));
 480         assert_se(streq(l[3], ""));
 481         assert_se(streq(l[4], "hoge5"));
 482         assert_se(streq(l[5], ""));
 483         assert_se(streq(l[6], "xxx"));
 484 }
 485
 486 static void test_strv_overlap(void) {
 487         const char * const input_table[] = {
 488                 "one",
 489                 "two",
 490                 "three",
 491                 NULL
 492         };
 493         const char * const input_table_overlap[] = {
 494                 "two",
 495                 NULL
 496         };
 497         const char * const input_table_unique[] = {
 498                 "four",
 499                 "five",
 500                 "six",
 501                 NULL
 502         };
 503
 504         log_info("/* %s */", __func__);
 505
 506         assert_se(strv_overlap((char **)input_table, (char**)input_table_overlap));
 507         assert_se(!strv_overlap((char **)input_table, (char**)input_table_unique));
 508 }
 509
 510 static void test_strv_sort(void) {
 511         const char* input_table[] = {
 512                 "durian",
 513                 "apple",
 514                 "citrus",
 515                  "CAPITAL LETTERS FIRST",
 516                 "banana",
 517                 NULL
 518         };
 519
 520         log_info("/* %s */", __func__);
 521
 522         strv_sort((char **)input_table);
 523
 524         assert_se(streq(input_table[0], "CAPITAL LETTERS FIRST"));
 525         assert_se(streq(input_table[1], "apple"));
 526         assert_se(streq(input_table[2], "banana"));
 527         assert_se(streq(input_table[3], "citrus"));
 528         assert_se(streq(input_table[4], "durian"));
 529 }
 530
 531 static void test_strv_extend_strv_concat(void) {
 532         _cleanup_strv_free_ char **a = NULL, **b = NULL;
 533
 534         log_info("/* %s */", __func__);
 535
 536         a = strv_new("without", "suffix");
 537         b = strv_new("with", "suffix");
 538         assert_se(a);
 539         assert_se(b);
 540
 541         assert_se(strv_extend_strv_concat(&a, b, "_suffix") >= 0);
 542
 543         assert_se(streq(a[0], "without"));
 544         assert_se(streq(a[1], "suffix"));
 545         assert_se(streq(a[2], "with_suffix"));
 546         assert_se(streq(a[3], "suffix_suffix"));
 547 }
 548
 549 static void test_strv_extend_strv(void) {
 550         _cleanup_strv_free_ char **a = NULL, **b = NULL, **n = NULL;
 551
 552         log_info("/* %s */", __func__);
 553
 554         a = strv_new("abc", "def", "ghi");
 555         b = strv_new("jkl", "mno", "abc", "pqr");
 556         assert_se(a);
 557         assert_se(b);
 558
 559         assert_se(strv_extend_strv(&a, b, true) == 3);
 560
 561         assert_se(streq(a[0], "abc"));
 562         assert_se(streq(a[1], "def"));
 563         assert_se(streq(a[2], "ghi"));
 564         assert_se(streq(a[3], "jkl"));
 565         assert_se(streq(a[4], "mno"));
 566         assert_se(streq(a[5], "pqr"));
 567         assert_se(strv_length(a) == 6);
 568
 569         assert_se(strv_extend_strv(&n, b, false) >= 0);
 570         assert_se(streq(n[0], "jkl"));
 571         assert_se(streq(n[1], "mno"));
 572         assert_se(streq(n[2], "abc"));
 573         assert_se(streq(n[3], "pqr"));
 574         assert_se(strv_length(n) == 4);
 575 }
 576
 577 static void test_strv_extend(void) {
 578         _cleanup_strv_free_ char **a = NULL, **b = NULL;
 579
 580         log_info("/* %s */", __func__);
 581
 582         a = strv_new("test", "test1");
 583         assert_se(a);
 584         assert_se(strv_extend(&a, "test2") >= 0);
 585         assert_se(strv_extend(&b, "test3") >= 0);
 586
 587         assert_se(streq(a[0], "test"));
 588         assert_se(streq(a[1], "test1"));
 589         assert_se(streq(a[2], "test2"));
 590         assert_se(streq(b[0], "test3"));
 591 }
 592
 593 static void test_strv_extendf(void) {
 594         _cleanup_strv_free_ char **a = NULL, **b = NULL;
 595
 596         log_info("/* %s */", __func__);
 597
 598         a = strv_new("test", "test1");
 599         assert_se(a);
 600         assert_se(strv_extendf(&a, "test2 %s %d %s", "foo", 128, "bar") >= 0);
 601         assert_se(strv_extendf(&b, "test3 %s %s %d", "bar", "foo", 128) >= 0);
 602
 603         assert_se(streq(a[0], "test"));
 604         assert_se(streq(a[1], "test1"));
 605         assert_se(streq(a[2], "test2 foo 128 bar"));
 606         assert_se(streq(b[0], "test3 bar foo 128"));
 607 }
 608
 609 static void test_strv_foreach(void) {
 610         _cleanup_strv_free_ char **a;
 611         unsigned i = 0;
 612         char **check;
 613
 614         log_info("/* %s */", __func__);
 615
 616         a = strv_new("one", "two", "three");
 617         assert_se(a);
 618
 619         STRV_FOREACH(check, a)
 620                 assert_se(streq(*check, input_table_multiple[i++]));
 621 }
 622
 623 static void test_strv_foreach_backwards(void) {
 624         _cleanup_strv_free_ char **a;
 625         unsigned i = 2;
 626         char **check;
 627
 628         log_info("/* %s */", __func__);
 629
 630         a = strv_new("one", "two", "three");
 631
 632         assert_se(a);
 633
 634         STRV_FOREACH_BACKWARDS(check, a)
 635                 assert_se(streq_ptr(*check, input_table_multiple[i--]));
 636
 637         STRV_FOREACH_BACKWARDS(check, (char**) NULL)
 638                 assert_not_reached("Let's see that we check empty strv right, too.");
 639
 640         STRV_FOREACH_BACKWARDS(check, (char**) { NULL })
 641                 assert_not_reached("Let's see that we check empty strv right, too.");
 642 }
 643
 644 static void test_strv_foreach_pair(void) {
 645         _cleanup_strv_free_ char **a = NULL;
 646         char **x, **y;
 647
 648         log_info("/* %s */", __func__);
 649
 650         a = strv_new("pair_one",   "pair_one",
 651                      "pair_two",   "pair_two",
 652                      "pair_three", "pair_three");
 653         STRV_FOREACH_PAIR(x, y, a)
 654                 assert_se(streq(*x, *y));
 655 }
 656
 657 static void test_strv_from_stdarg_alloca_one(char **l, const char *first, ...) {
 658         char **j;
 659         unsigned i;
 660
 661         log_info("/* %s */", __func__);
 662
 663         j = strv_from_stdarg_alloca(first);
 664
 665         for (i = 0;; i++) {
 666                 assert_se(streq_ptr(l[i], j[i]));
 667
 668                 if (!l[i])
 669                         break;
 670         }
 671 }
 672
 673 static void test_strv_from_stdarg_alloca(void) {
 674         log_info("/* %s */", __func__);
 675
 676         test_strv_from_stdarg_alloca_one(STRV_MAKE("foo", "bar"), "foo", "bar", NULL);
 677         test_strv_from_stdarg_alloca_one(STRV_MAKE("foo"), "foo", NULL);
 678         test_strv_from_stdarg_alloca_one(STRV_MAKE_EMPTY, NULL);
 679 }
 680
 681 static void test_strv_insert(void) {
 682         _cleanup_strv_free_ char **a = NULL;
 683
 684         log_info("/* %s */", __func__);
 685
 686         assert_se(strv_insert(&a, 0, strdup("first")) == 0);
 687         assert_se(streq(a[0], "first"));
 688         assert_se(!a[1]);
 689
 690         assert_se(strv_insert(&a, 0, NULL) == 0);
 691         assert_se(streq(a[0], "first"));
 692         assert_se(!a[1]);
 693
 694         assert_se(strv_insert(&a, 1, strdup("two")) == 0);
 695         assert_se(streq(a[0], "first"));
 696         assert_se(streq(a[1], "two"));
 697         assert_se(!a[2]);
 698
 699         assert_se(strv_insert(&a, 4, strdup("tri")) == 0);
 700         assert_se(streq(a[0], "first"));
 701         assert_se(streq(a[1], "two"));
 702         assert_se(streq(a[2], "tri"));
 703         assert_se(!a[3]);
 704
 705         assert_se(strv_insert(&a, 1, strdup("duo")) == 0);
 706         assert_se(streq(a[0], "first"));
 707         assert_se(streq(a[1], "duo"));
 708         assert_se(streq(a[2], "two"));
 709         assert_se(streq(a[3], "tri"));
 710         assert_se(!a[4]);
 711 }
 712
 713 static void test_strv_push_prepend(void) {
 714         _cleanup_strv_free_ char **a = NULL;
 715
 716         log_info("/* %s */", __func__);
 717
 718         assert_se(a = strv_new("foo", "bar", "three"));
 719
 720         assert_se(strv_push_prepend(&a, strdup("first")) >= 0);
 721         assert_se(streq(a[0], "first"));
 722         assert_se(streq(a[1], "foo"));
 723         assert_se(streq(a[2], "bar"));
 724         assert_se(streq(a[3], "three"));
 725         assert_se(!a[4]);
 726
 727         assert_se(strv_consume_prepend(&a, strdup("first2")) >= 0);
 728         assert_se(streq(a[0], "first2"));
 729         assert_se(streq(a[1], "first"));
 730         assert_se(streq(a[2], "foo"));
 731         assert_se(streq(a[3], "bar"));
 732         assert_se(streq(a[4], "three"));
 733         assert_se(!a[5]);
 734 }
 735
 736 static void test_strv_push(void) {
 737         _cleanup_strv_free_ char **a = NULL;
 738         char *i, *j;
 739
 740         log_info("/* %s */", __func__);
 741
 742         assert_se(i = strdup("foo"));
 743         assert_se(strv_push(&a, i) >= 0);
 744
 745         assert_se(i = strdup("a"));
 746         assert_se(j = strdup("b"));
 747         assert_se(strv_push_pair(&a, i, j) >= 0);
 748
 749         assert_se(streq_ptr(a[0], "foo"));
 750         assert_se(streq_ptr(a[1], "a"));
 751         assert_se(streq_ptr(a[2], "b"));
 752         assert_se(streq_ptr(a[3], NULL));
 753 }
 754
 755 static void test_strv_compare(void) {
 756         _cleanup_strv_free_ char **a = NULL;
 757         _cleanup_strv_free_ char **b = NULL;
 758         _cleanup_strv_free_ char **c = NULL;
 759         _cleanup_strv_free_ char **d = NULL;
 760
 761         log_info("/* %s */", __func__);
 762
 763         a = strv_new("one", "two", "three");
 764         assert_se(a);
 765         b = strv_new("one", "two", "three");
 766         assert_se(b);
 767         c = strv_new("one", "two", "three", "four");
 768         assert_se(c);
 769         d = strv_new(NULL);
 770         assert_se(d);
 771
 772         assert_se(strv_compare(a, a) == 0);
 773         assert_se(strv_compare(a, b) == 0);
 774         assert_se(strv_compare(d, d) == 0);
 775         assert_se(strv_compare(d, NULL) == 0);
 776         assert_se(strv_compare(NULL, NULL) == 0);
 777
 778         assert_se(strv_compare(a, c) < 0);
 779         assert_se(strv_compare(b, c) < 0);
 780         assert_se(strv_compare(b, d) == 1);
 781         assert_se(strv_compare(b, NULL) == 1);
 782 }
 783
 784 static void test_strv_is_uniq(void) {
 785         _cleanup_strv_free_ char **a = NULL, **b = NULL, **c = NULL, **d = NULL;
 786
 787         log_info("/* %s */", __func__);
 788
 789         a = strv_new(NULL);
 790         assert_se(a);
 791         assert_se(strv_is_uniq(a));
 792
 793         b = strv_new("foo");
 794         assert_se(b);
 795         assert_se(strv_is_uniq(b));
 796
 797         c = strv_new("foo", "bar");
 798         assert_se(c);
 799         assert_se(strv_is_uniq(c));
 800
 801         d = strv_new("foo", "bar", "waldo", "bar", "piep");
 802         assert_se(d);
 803         assert_se(!strv_is_uniq(d));
 804 }
 805
 806 static void test_strv_reverse(void) {
 807         _cleanup_strv_free_ char **a = NULL, **b = NULL, **c = NULL, **d = NULL;
 808
 809         log_info("/* %s */", __func__);
 810
 811         a = strv_new(NULL);
 812         assert_se(a);
 813
 814         strv_reverse(a);
 815         assert_se(strv_isempty(a));
 816
 817         b = strv_new("foo");
 818         assert_se(b);
 819         strv_reverse(b);
 820         assert_se(streq_ptr(b[0], "foo"));
 821         assert_se(streq_ptr(b[1], NULL));
 822
 823         c = strv_new("foo", "bar");
 824         assert_se(c);
 825         strv_reverse(c);
 826         assert_se(streq_ptr(c[0], "bar"));
 827         assert_se(streq_ptr(c[1], "foo"));
 828         assert_se(streq_ptr(c[2], NULL));
 829
 830         d = strv_new("foo", "bar", "waldo");
 831         assert_se(d);
 832         strv_reverse(d);
 833         assert_se(streq_ptr(d[0], "waldo"));
 834         assert_se(streq_ptr(d[1], "bar"));
 835         assert_se(streq_ptr(d[2], "foo"));
 836         assert_se(streq_ptr(d[3], NULL));
 837 }
 838
 839 static void test_strv_shell_escape(void) {
 840         _cleanup_strv_free_ char **v = NULL;
 841
 842         log_info("/* %s */", __func__);
 843
 844         v = strv_new("foo:bar", "bar,baz", "wal\\do");
 845         assert_se(v);
 846         assert_se(strv_shell_escape(v, ",:"));
 847         assert_se(streq_ptr(v[0], "foo\\:bar"));
 848         assert_se(streq_ptr(v[1], "bar\\,baz"));
 849         assert_se(streq_ptr(v[2], "wal\\\\do"));
 850         assert_se(streq_ptr(v[3], NULL));
 851 }
 852
 853 static void test_strv_skip_one(char **a, size_t n, char **b) {
 854         a = strv_skip(a, n);
 855         assert_se(strv_equal(a, b));
 856 }
 857
 858 static void test_strv_skip(void) {
 859         log_info("/* %s */", __func__);
 860
 861         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 0, STRV_MAKE("foo", "bar", "baz"));
 862         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 1, STRV_MAKE("bar", "baz"));
 863         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 2, STRV_MAKE("baz"));
 864         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 3, STRV_MAKE(NULL));
 865         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 4, STRV_MAKE(NULL));
 866         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 55, STRV_MAKE(NULL));
 867
 868         test_strv_skip_one(STRV_MAKE("quux"), 0, STRV_MAKE("quux"));
 869         test_strv_skip_one(STRV_MAKE("quux"), 1, STRV_MAKE(NULL));
 870         test_strv_skip_one(STRV_MAKE("quux"), 55, STRV_MAKE(NULL));
 871
 872         test_strv_skip_one(STRV_MAKE(NULL), 0, STRV_MAKE(NULL));
 873         test_strv_skip_one(STRV_MAKE(NULL), 1, STRV_MAKE(NULL));
 874         test_strv_skip_one(STRV_MAKE(NULL), 55, STRV_MAKE(NULL));
 875 }
 876
 877 static void test_strv_extend_n(void) {
 878         _cleanup_strv_free_ char **v = NULL;
 879
 880         log_info("/* %s */", __func__);
 881
 882         v = strv_new("foo", "bar");
 883         assert_se(v);
 884
 885         assert_se(strv_extend_n(&v, "waldo", 3) >= 0);
 886         assert_se(strv_extend_n(&v, "piep", 2) >= 0);
 887
 888         assert_se(streq(v[0], "foo"));
 889         assert_se(streq(v[1], "bar"));
 890         assert_se(streq(v[2], "waldo"));
 891         assert_se(streq(v[3], "waldo"));
 892         assert_se(streq(v[4], "waldo"));
 893         assert_se(streq(v[5], "piep"));
 894         assert_se(streq(v[6], "piep"));
 895         assert_se(v[7] == NULL);
 896
 897         v = strv_free(v);
 898
 899         assert_se(strv_extend_n(&v, "foo", 1) >= 0);
 900         assert_se(strv_extend_n(&v, "bar", 0) >= 0);
 901
 902         assert_se(streq(v[0], "foo"));
 903         assert_se(v[1] == NULL);
 904 }
 905
 906 static void test_strv_make_nulstr_one(char **l) {
 907         _cleanup_free_ char *b = NULL, *c = NULL;
 908         _cleanup_strv_free_ char **q = NULL;
 909         const char *s = NULL;
 910         size_t n, m;
 911         unsigned i = 0;
 912
 913         log_info("/* %s */", __func__);
 914
 915         assert_se(strv_make_nulstr(l, &b, &n) >= 0);
 916         assert_se(q = strv_parse_nulstr(b, n));
 917         assert_se(strv_equal(l, q));
 918
 919         assert_se(strv_make_nulstr(q, &c, &m) >= 0);
 920         assert_se(m == n);
 921         assert_se(memcmp(b, c, m) == 0);
 922
 923         NULSTR_FOREACH(s, b)
 924                 assert_se(streq(s, l[i++]));
 925         assert_se(i == strv_length(l));
 926 }
 927
 928 static void test_strv_make_nulstr(void) {
 929         log_info("/* %s */", __func__);
 930
 931         test_strv_make_nulstr_one(NULL);
 932         test_strv_make_nulstr_one(STRV_MAKE(NULL));
 933         test_strv_make_nulstr_one(STRV_MAKE("foo"));
 934         test_strv_make_nulstr_one(STRV_MAKE("foo", "bar"));
 935         test_strv_make_nulstr_one(STRV_MAKE("foo", "bar", "quuux"));
 936 }
 937
 938 static void test_strv_free_free(void) {
 939         char ***t;
 940
 941         log_info("/* %s */", __func__);
 942
 943         assert_se(t = new(char**, 3));
 944         assert_se(t[0] = strv_new("a", "b"));
 945         assert_se(t[1] = strv_new("c", "d", "e"));
 946         t[2] = NULL;
 947
 948         t = strv_free_free(t);
 949 }
 950
 951 static void test_foreach_string(void) {
 952         const char * const t[] = {
 953                 "foo",
 954                 "bar",
 955                 "waldo",
 956                 NULL
 957         };
 958         const char *x;
 959         unsigned i = 0;
 960
 961         log_info("/* %s */", __func__);
 962
 963         FOREACH_STRING(x, "foo", "bar", "waldo")
 964                 assert_se(streq_ptr(t[i++], x));
 965
 966         assert_se(i == 3);
 967
 968         FOREACH_STRING(x, "zzz")
 969                 assert_se(streq(x, "zzz"));
 970 }
 971
 972 static void test_strv_fnmatch(void) {
 973         _cleanup_strv_free_ char **v = NULL;
 974         size_t pos;
 975
 976         log_info("/* %s */", __func__);
 977
 978         assert_se(!strv_fnmatch(STRV_MAKE_EMPTY, "a"));
 979
 980         v = strv_new("xxx", "*\\*", "yyy");
 981         assert_se(!strv_fnmatch_full(v, "\\", 0, NULL));
 982         assert_se(strv_fnmatch_full(v, "\\", FNM_NOESCAPE, &pos));
 983         assert(pos == 1);
 984 }
 985
 986 int main(int argc, char *argv[]) {
 987         test_specifier_printf();
 988         test_str_in_set();
 989         test_strptr_in_set();
 990         test_startswith_set();
 991         test_strv_foreach();
 992         test_strv_foreach_backwards();
 993         test_strv_foreach_pair();
 994         test_strv_find();
 995         test_strv_find_prefix();
 996         test_strv_find_startswith();
 997         test_strv_join();
 998         test_strv_join_prefix();
 999
1000         test_strv_unquote("    foo=bar     \"waldo\"    zzz    ", STRV_MAKE("foo=bar", "waldo", "zzz"));
1001         test_strv_unquote("", STRV_MAKE_EMPTY);
1002         test_strv_unquote(" ", STRV_MAKE_EMPTY);
1003         test_strv_unquote("   ", STRV_MAKE_EMPTY);
1004         test_strv_unquote("   x", STRV_MAKE("x"));
1005         test_strv_unquote("x   ", STRV_MAKE("x"));
1006         test_strv_unquote("  x   ", STRV_MAKE("x"));
1007         test_strv_unquote("  \"x\"   ", STRV_MAKE("x"));
1008         test_strv_unquote("  'x'   ", STRV_MAKE("x"));
1009         test_strv_unquote("  'x\"'   ", STRV_MAKE("x\""));
1010         test_strv_unquote("  \"x'\"   ", STRV_MAKE("x'"));
1011         test_strv_unquote("a  '--b=c \"d e\"'", STRV_MAKE("a", "--b=c \"d e\""));
1012
1013         /* trailing backslashes */
1014         test_strv_unquote("  x\\\\", STRV_MAKE("x\\"));
1015         test_invalid_unquote("  x\\");
1016
1017         test_invalid_unquote("a  --b='c \"d e\"''");
1018         test_invalid_unquote("a  --b='c \"d e\" '\"");
1019         test_invalid_unquote("a  --b='c \"d e\"garbage");
1020         test_invalid_unquote("'");
1021         test_invalid_unquote("\"");
1022         test_invalid_unquote("'x'y'g");
1023
1024         test_strv_split();
1025         test_strv_split_empty();
1026         test_strv_split_full();
1027         test_strv_split_colon_pairs();
1028         test_strv_split_newlines();
1029         test_strv_split_nulstr();
1030         test_strv_parse_nulstr();
1031         test_strv_overlap();
1032         test_strv_sort();
1033         test_strv_extend_strv();
1034         test_strv_extend_strv_concat();
1035         test_strv_extend();
1036         test_strv_extendf();
1037         test_strv_from_stdarg_alloca();
1038         test_strv_insert();
1039         test_strv_push_prepend();
1040         test_strv_push();
1041         test_strv_compare();
1042         test_strv_is_uniq();
1043         test_strv_reverse();
1044         test_strv_shell_escape();
1045         test_strv_skip();
1046         test_strv_extend_n();
1047         test_strv_make_nulstr();
1048         test_strv_free_free();
1049
1050         test_foreach_string();
1051         test_strv_fnmatch();
1052
1053         return 0;
1054 }