src/test/test-strv.c

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