src/test/test-strv.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright © 2013 Thomas H.P. Andersen
   4 ***/
   5
   6 #include <string.h>
   7
   8 #include "alloc-util.h"
   9 #include "escape.h"
  10 #include "specifier.h"
  11 #include "string-util.h"
  12 #include "strv.h"
  13 #include "util.h"
  14
  15 static void test_specifier_printf(void) {
  16         static const Specifier table[] = {
  17                 { 'a', specifier_string, (char*) "AAAA" },
  18                 { 'b', specifier_string, (char*) "BBBB" },
  19                 { 'm', specifier_machine_id, NULL },
  20                 { 'B', specifier_boot_id, NULL },
  21                 { 'H', specifier_host_name, NULL },
  22                 { 'v', specifier_kernel_release, NULL },
  23                 {}
  24         };
  25
  26         _cleanup_free_ char *w = NULL;
  27         int r;
  28
  29         r = specifier_printf("xxx a=%a b=%b yyy", table, NULL, &w);
  30         assert_se(r >= 0);
  31         assert_se(w);
  32
  33         puts(w);
  34         assert_se(streq(w, "xxx a=AAAA b=BBBB yyy"));
  35
  36         free(w);
  37         r = specifier_printf("machine=%m, boot=%B, host=%H, version=%v", table, NULL, &w);
  38         assert_se(r >= 0);
  39         assert_se(w);
  40         puts(w);
  41 }
  42
  43 static void test_str_in_set(void) {
  44         assert_se(STR_IN_SET("x", "x", "y", "z"));
  45         assert_se(!STR_IN_SET("X", "x", "y", "z"));
  46         assert_se(!STR_IN_SET("", "x", "y", "z"));
  47         assert_se(STR_IN_SET("x", "w", "x"));
  48 }
  49
  50 static void test_strptr_in_set(void) {
  51         assert_se(STRPTR_IN_SET("x", "x", "y", "z"));
  52         assert_se(!STRPTR_IN_SET("X", "x", "y", "z"));
  53         assert_se(!STRPTR_IN_SET("", "x", "y", "z"));
  54         assert_se(STRPTR_IN_SET("x", "w", "x"));
  55
  56         assert_se(!STRPTR_IN_SET(NULL, "x", "y", "z"));
  57         assert_se(!STRPTR_IN_SET(NULL, ""));
  58         /* strv cannot contain a null, hence the result below */
  59         assert_se(!STRPTR_IN_SET(NULL, NULL));
  60 }
  61
  62 static const char* const input_table_multiple[] = {
  63         "one",
  64         "two",
  65         "three",
  66         NULL,
  67 };
  68
  69 static const char* const input_table_one[] = {
  70         "one",
  71         NULL,
  72 };
  73
  74 static const char* const input_table_none[] = {
  75         NULL,
  76 };
  77
  78 static const char* const input_table_two_empties[] = {
  79         "",
  80         "",
  81         NULL,
  82 };
  83
  84 static const char* const input_table_one_empty[] = {
  85         "",
  86         NULL,
  87 };
  88
  89 static void test_strv_find(void) {
  90         assert_se(strv_find((char **)input_table_multiple, "three"));
  91         assert_se(!strv_find((char **)input_table_multiple, "four"));
  92 }
  93
  94 static void test_strv_find_prefix(void) {
  95         assert_se(strv_find_prefix((char **)input_table_multiple, "o"));
  96         assert_se(strv_find_prefix((char **)input_table_multiple, "one"));
  97         assert_se(strv_find_prefix((char **)input_table_multiple, ""));
  98         assert_se(!strv_find_prefix((char **)input_table_multiple, "xxx"));
  99         assert_se(!strv_find_prefix((char **)input_table_multiple, "onee"));
 100 }
 101
 102 static void test_strv_find_startswith(void) {
 103         char *r;
 104
 105         r = strv_find_startswith((char **)input_table_multiple, "o");
 106         assert_se(r && streq(r, "ne"));
 107
 108         r = strv_find_startswith((char **)input_table_multiple, "one");
 109         assert_se(r && streq(r, ""));
 110
 111         r = strv_find_startswith((char **)input_table_multiple, "");
 112         assert_se(r && streq(r, "one"));
 113
 114         assert_se(!strv_find_startswith((char **)input_table_multiple, "xxx"));
 115         assert_se(!strv_find_startswith((char **)input_table_multiple, "onee"));
 116 }
 117
 118 static void test_strv_join(void) {
 119         _cleanup_free_ char *p = NULL, *q = NULL, *r = NULL, *s = NULL, *t = NULL, *v = NULL, *w = NULL;
 120
 121         p = strv_join((char **)input_table_multiple, ", ");
 122         assert_se(p);
 123         assert_se(streq(p, "one, two, three"));
 124
 125         q = strv_join((char **)input_table_multiple, ";");
 126         assert_se(q);
 127         assert_se(streq(q, "one;two;three"));
 128
 129         r = strv_join((char **)input_table_multiple, NULL);
 130         assert_se(r);
 131         assert_se(streq(r, "one two three"));
 132
 133         s = strv_join((char **)input_table_one, ", ");
 134         assert_se(s);
 135         assert_se(streq(s, "one"));
 136
 137         t = strv_join((char **)input_table_none, ", ");
 138         assert_se(t);
 139         assert_se(streq(t, ""));
 140
 141         v = strv_join((char **)input_table_two_empties, ", ");
 142         assert_se(v);
 143         assert_se(streq(v, ", "));
 144
 145         w = strv_join((char **)input_table_one_empty, ", ");
 146         assert_se(w);
 147         assert_se(streq(w, ""));
 148 }
 149
 150 static void test_strv_unquote(const char *quoted, char **list) {
 151         _cleanup_strv_free_ char **s;
 152         _cleanup_free_ char *j;
 153         unsigned i = 0;
 154         char **t;
 155         int r;
 156
 157         r = strv_split_extract(&s, quoted, WHITESPACE, EXTRACT_QUOTES);
 158         assert_se(r == (int) strv_length(list));
 159         assert_se(s);
 160         j = strv_join(s, " | ");
 161         assert_se(j);
 162         puts(j);
 163
 164         STRV_FOREACH(t, s)
 165                 assert_se(streq(list[i++], *t));
 166
 167         assert_se(list[i] == NULL);
 168 }
 169
 170 static void test_invalid_unquote(const char *quoted) {
 171         char **s = NULL;
 172         int r;
 173
 174         r = strv_split_extract(&s, quoted, WHITESPACE, EXTRACT_QUOTES);
 175         assert_se(s == NULL);
 176         assert_se(r == -EINVAL);
 177 }
 178
 179 static void test_strv_split(void) {
 180         char **s;
 181         unsigned i = 0;
 182         _cleanup_strv_free_ char **l = NULL;
 183         const char str[] = "one,two,three";
 184
 185         l = strv_split(str, ",");
 186
 187         assert_se(l);
 188
 189         STRV_FOREACH(s, l) {
 190                 assert_se(streq(*s, input_table_multiple[i++]));
 191         }
 192 }
 193
 194 static void test_strv_split_extract(void) {
 195         _cleanup_strv_free_ char **l = NULL;
 196         const char *str = ":foo\\:bar::waldo:";
 197         int r;
 198
 199         r = strv_split_extract(&l, str, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
 200         assert_se(r == (int) strv_length(l));
 201         assert_se(streq_ptr(l[0], ""));
 202         assert_se(streq_ptr(l[1], "foo:bar"));
 203         assert_se(streq_ptr(l[2], ""));
 204         assert_se(streq_ptr(l[3], "waldo"));
 205         assert_se(streq_ptr(l[4], ""));
 206         assert_se(streq_ptr(l[5], NULL));
 207 }
 208
 209 static void test_strv_split_newlines(void) {
 210         unsigned i = 0;
 211         char **s;
 212         _cleanup_strv_free_ char **l = NULL;
 213         const char str[] = "one\ntwo\nthree";
 214
 215         l = strv_split_newlines(str);
 216
 217         assert_se(l);
 218
 219         STRV_FOREACH(s, l) {
 220                 assert_se(streq(*s, input_table_multiple[i++]));
 221         }
 222 }
 223
 224 static void test_strv_split_nulstr(void) {
 225         _cleanup_strv_free_ char **l = NULL;
 226         const char nulstr[] = "str0\0str1\0str2\0str3\0";
 227
 228         l = strv_split_nulstr (nulstr);
 229         assert_se(l);
 230
 231         assert_se(streq(l[0], "str0"));
 232         assert_se(streq(l[1], "str1"));
 233         assert_se(streq(l[2], "str2"));
 234         assert_se(streq(l[3], "str3"));
 235 }
 236
 237 static void test_strv_parse_nulstr(void) {
 238         _cleanup_strv_free_ char **l = NULL;
 239         const char nulstr[] = "fuck\0fuck2\0fuck3\0\0fuck5\0\0xxx";
 240
 241         l = strv_parse_nulstr(nulstr, sizeof(nulstr)-1);
 242         assert_se(l);
 243         puts("Parse nulstr:");
 244         strv_print(l);
 245
 246         assert_se(streq(l[0], "fuck"));
 247         assert_se(streq(l[1], "fuck2"));
 248         assert_se(streq(l[2], "fuck3"));
 249         assert_se(streq(l[3], ""));
 250         assert_se(streq(l[4], "fuck5"));
 251         assert_se(streq(l[5], ""));
 252         assert_se(streq(l[6], "xxx"));
 253 }
 254
 255 static void test_strv_overlap(void) {
 256         const char * const input_table[] = {
 257                 "one",
 258                 "two",
 259                 "three",
 260                 NULL
 261         };
 262         const char * const input_table_overlap[] = {
 263                 "two",
 264                 NULL
 265         };
 266         const char * const input_table_unique[] = {
 267                 "four",
 268                 "five",
 269                 "six",
 270                 NULL
 271         };
 272
 273         assert_se(strv_overlap((char **)input_table, (char**)input_table_overlap));
 274         assert_se(!strv_overlap((char **)input_table, (char**)input_table_unique));
 275 }
 276
 277 static void test_strv_sort(void) {
 278         const char* input_table[] = {
 279                 "durian",
 280                 "apple",
 281                 "citrus",
 282                  "CAPITAL LETTERS FIRST",
 283                 "banana",
 284                 NULL
 285         };
 286
 287         strv_sort((char **)input_table);
 288
 289         assert_se(streq(input_table[0], "CAPITAL LETTERS FIRST"));
 290         assert_se(streq(input_table[1], "apple"));
 291         assert_se(streq(input_table[2], "banana"));
 292         assert_se(streq(input_table[3], "citrus"));
 293         assert_se(streq(input_table[4], "durian"));
 294 }
 295
 296 static void test_strv_extend_strv_concat(void) {
 297         _cleanup_strv_free_ char **a = NULL, **b = NULL;
 298
 299         a = strv_new("without", "suffix", NULL);
 300         b = strv_new("with", "suffix", NULL);
 301         assert_se(a);
 302         assert_se(b);
 303
 304         assert_se(strv_extend_strv_concat(&a, b, "_suffix") >= 0);
 305
 306         assert_se(streq(a[0], "without"));
 307         assert_se(streq(a[1], "suffix"));
 308         assert_se(streq(a[2], "with_suffix"));
 309         assert_se(streq(a[3], "suffix_suffix"));
 310 }
 311
 312 static void test_strv_extend_strv(void) {
 313         _cleanup_strv_free_ char **a = NULL, **b = NULL, **n = NULL;
 314
 315         a = strv_new("abc", "def", "ghi", NULL);
 316         b = strv_new("jkl", "mno", "abc", "pqr", NULL);
 317         assert_se(a);
 318         assert_se(b);
 319
 320         assert_se(strv_extend_strv(&a, b, true) == 3);
 321
 322         assert_se(streq(a[0], "abc"));
 323         assert_se(streq(a[1], "def"));
 324         assert_se(streq(a[2], "ghi"));
 325         assert_se(streq(a[3], "jkl"));
 326         assert_se(streq(a[4], "mno"));
 327         assert_se(streq(a[5], "pqr"));
 328         assert_se(strv_length(a) == 6);
 329
 330         assert_se(strv_extend_strv(&n, b, false) >= 0);
 331         assert_se(streq(n[0], "jkl"));
 332         assert_se(streq(n[1], "mno"));
 333         assert_se(streq(n[2], "abc"));
 334         assert_se(streq(n[3], "pqr"));
 335         assert_se(strv_length(n) == 4);
 336 }
 337
 338 static void test_strv_extend(void) {
 339         _cleanup_strv_free_ char **a = NULL, **b = NULL;
 340
 341         a = strv_new("test", "test1", NULL);
 342         assert_se(a);
 343         assert_se(strv_extend(&a, "test2") >= 0);
 344         assert_se(strv_extend(&b, "test3") >= 0);
 345
 346         assert_se(streq(a[0], "test"));
 347         assert_se(streq(a[1], "test1"));
 348         assert_se(streq(a[2], "test2"));
 349         assert_se(streq(b[0], "test3"));
 350 }
 351
 352 static void test_strv_extendf(void) {
 353         _cleanup_strv_free_ char **a = NULL, **b = NULL;
 354
 355         a = strv_new("test", "test1", NULL);
 356         assert_se(a);
 357         assert_se(strv_extendf(&a, "test2 %s %d %s", "foo", 128, "bar") >= 0);
 358         assert_se(strv_extendf(&b, "test3 %s %s %d", "bar", "foo", 128) >= 0);
 359
 360         assert_se(streq(a[0], "test"));
 361         assert_se(streq(a[1], "test1"));
 362         assert_se(streq(a[2], "test2 foo 128 bar"));
 363         assert_se(streq(b[0], "test3 bar foo 128"));
 364 }
 365
 366 static void test_strv_foreach(void) {
 367         _cleanup_strv_free_ char **a;
 368         unsigned i = 0;
 369         char **check;
 370
 371         a = strv_new("one", "two", "three", NULL);
 372
 373         assert_se(a);
 374
 375         STRV_FOREACH(check, a) {
 376                 assert_se(streq(*check, input_table_multiple[i++]));
 377         }
 378 }
 379
 380 static void test_strv_foreach_backwards(void) {
 381         _cleanup_strv_free_ char **a;
 382         unsigned i = 2;
 383         char **check;
 384
 385         a = strv_new("one", "two", "three", NULL);
 386
 387         assert_se(a);
 388
 389         STRV_FOREACH_BACKWARDS(check, a)
 390                 assert_se(streq_ptr(*check, input_table_multiple[i--]));
 391
 392         STRV_FOREACH_BACKWARDS(check, (char**) NULL)
 393                 assert_not_reached("Let's see that we check empty strv right, too.");
 394
 395         STRV_FOREACH_BACKWARDS(check, (char**) { NULL })
 396                 assert_not_reached("Let's see that we check empty strv right, too.");
 397 }
 398
 399 static void test_strv_foreach_pair(void) {
 400         _cleanup_strv_free_ char **a = NULL;
 401         char **x, **y;
 402
 403         a = strv_new("pair_one",   "pair_one",
 404                      "pair_two",   "pair_two",
 405                      "pair_three", "pair_three",
 406                      NULL);
 407
 408         STRV_FOREACH_PAIR(x, y, a) {
 409                 assert_se(streq(*x, *y));
 410         }
 411 }
 412
 413 static void test_strv_from_stdarg_alloca_one(char **l, const char *first, ...) {
 414         char **j;
 415         unsigned i;
 416
 417         j = strv_from_stdarg_alloca(first);
 418
 419         for (i = 0;; i++) {
 420                 assert_se(streq_ptr(l[i], j[i]));
 421
 422                 if (!l[i])
 423                         break;
 424         }
 425 }
 426
 427 static void test_strv_from_stdarg_alloca(void) {
 428         test_strv_from_stdarg_alloca_one(STRV_MAKE("foo", "bar"), "foo", "bar", NULL);
 429         test_strv_from_stdarg_alloca_one(STRV_MAKE("foo"), "foo", NULL);
 430         test_strv_from_stdarg_alloca_one(STRV_MAKE_EMPTY, NULL);
 431 }
 432
 433 static void test_strv_insert(void) {
 434         _cleanup_strv_free_ char **a = NULL;
 435
 436         assert_se(strv_insert(&a, 0, strdup("first")) == 0);
 437         assert_se(streq(a[0], "first"));
 438         assert_se(!a[1]);
 439
 440         assert_se(strv_insert(&a, 0, NULL) == 0);
 441         assert_se(streq(a[0], "first"));
 442         assert_se(!a[1]);
 443
 444         assert_se(strv_insert(&a, 1, strdup("two")) == 0);
 445         assert_se(streq(a[0], "first"));
 446         assert_se(streq(a[1], "two"));
 447         assert_se(!a[2]);
 448
 449         assert_se(strv_insert(&a, 4, strdup("tri")) == 0);
 450         assert_se(streq(a[0], "first"));
 451         assert_se(streq(a[1], "two"));
 452         assert_se(streq(a[2], "tri"));
 453         assert_se(!a[3]);
 454
 455         assert_se(strv_insert(&a, 1, strdup("duo")) == 0);
 456         assert_se(streq(a[0], "first"));
 457         assert_se(streq(a[1], "duo"));
 458         assert_se(streq(a[2], "two"));
 459         assert_se(streq(a[3], "tri"));
 460         assert_se(!a[4]);
 461 }
 462
 463 static void test_strv_push_prepend(void) {
 464         _cleanup_strv_free_ char **a = NULL;
 465
 466         a = strv_new("foo", "bar", "three", NULL);
 467
 468         assert_se(strv_push_prepend(&a, strdup("first")) >= 0);
 469         assert_se(streq(a[0], "first"));
 470         assert_se(streq(a[1], "foo"));
 471         assert_se(streq(a[2], "bar"));
 472         assert_se(streq(a[3], "three"));
 473         assert_se(!a[4]);
 474
 475         assert_se(strv_consume_prepend(&a, strdup("first2")) >= 0);
 476         assert_se(streq(a[0], "first2"));
 477         assert_se(streq(a[1], "first"));
 478         assert_se(streq(a[2], "foo"));
 479         assert_se(streq(a[3], "bar"));
 480         assert_se(streq(a[4], "three"));
 481         assert_se(!a[5]);
 482 }
 483
 484 static void test_strv_push(void) {
 485         _cleanup_strv_free_ char **a = NULL;
 486         char *i, *j;
 487
 488         assert_se(i = strdup("foo"));
 489         assert_se(strv_push(&a, i) >= 0);
 490
 491         assert_se(i = strdup("a"));
 492         assert_se(j = strdup("b"));
 493         assert_se(strv_push_pair(&a, i, j) >= 0);
 494
 495         assert_se(streq_ptr(a[0], "foo"));
 496         assert_se(streq_ptr(a[1], "a"));
 497         assert_se(streq_ptr(a[2], "b"));
 498         assert_se(streq_ptr(a[3], NULL));
 499 }
 500
 501 static void test_strv_equal(void) {
 502         _cleanup_strv_free_ char **a = NULL;
 503         _cleanup_strv_free_ char **b = NULL;
 504         _cleanup_strv_free_ char **c = NULL;
 505
 506         a = strv_new("one", "two", "three", NULL);
 507         assert_se(a);
 508         b = strv_new("one", "two", "three", NULL);
 509         assert_se(a);
 510         c = strv_new("one", "two", "three", "four", NULL);
 511         assert_se(a);
 512
 513         assert_se(strv_equal(a, a));
 514         assert_se(strv_equal(a, b));
 515         assert_se(strv_equal(NULL, NULL));
 516
 517         assert_se(!strv_equal(a, c));
 518         assert_se(!strv_equal(b, c));
 519         assert_se(!strv_equal(b, NULL));
 520 }
 521
 522 static void test_strv_is_uniq(void) {
 523         _cleanup_strv_free_ char **a = NULL, **b = NULL, **c = NULL, **d = NULL;
 524
 525         a = strv_new(NULL, NULL);
 526         assert_se(a);
 527         assert_se(strv_is_uniq(a));
 528
 529         b = strv_new("foo", NULL);
 530         assert_se(b);
 531         assert_se(strv_is_uniq(b));
 532
 533         c = strv_new("foo", "bar", NULL);
 534         assert_se(c);
 535         assert_se(strv_is_uniq(c));
 536
 537         d = strv_new("foo", "bar", "waldo", "bar", "piep", NULL);
 538         assert_se(d);
 539         assert_se(!strv_is_uniq(d));
 540 }
 541
 542 static void test_strv_reverse(void) {
 543         _cleanup_strv_free_ char **a = NULL, **b = NULL, **c = NULL, **d = NULL;
 544
 545         a = strv_new(NULL, NULL);
 546         assert_se(a);
 547
 548         strv_reverse(a);
 549         assert_se(strv_isempty(a));
 550
 551         b = strv_new("foo", NULL);
 552         assert_se(b);
 553         strv_reverse(b);
 554         assert_se(streq_ptr(b[0], "foo"));
 555         assert_se(streq_ptr(b[1], NULL));
 556
 557         c = strv_new("foo", "bar", NULL);
 558         assert_se(c);
 559         strv_reverse(c);
 560         assert_se(streq_ptr(c[0], "bar"));
 561         assert_se(streq_ptr(c[1], "foo"));
 562         assert_se(streq_ptr(c[2], NULL));
 563
 564         d = strv_new("foo", "bar", "waldo", NULL);
 565         assert_se(d);
 566         strv_reverse(d);
 567         assert_se(streq_ptr(d[0], "waldo"));
 568         assert_se(streq_ptr(d[1], "bar"));
 569         assert_se(streq_ptr(d[2], "foo"));
 570         assert_se(streq_ptr(d[3], NULL));
 571 }
 572
 573 static void test_strv_shell_escape(void) {
 574         _cleanup_strv_free_ char **v = NULL;
 575
 576         v = strv_new("foo:bar", "bar,baz", "wal\\do", NULL);
 577         assert_se(v);
 578         assert_se(strv_shell_escape(v, ",:"));
 579         assert_se(streq_ptr(v[0], "foo\\:bar"));
 580         assert_se(streq_ptr(v[1], "bar\\,baz"));
 581         assert_se(streq_ptr(v[2], "wal\\\\do"));
 582         assert_se(streq_ptr(v[3], NULL));
 583 }
 584
 585 static void test_strv_skip_one(char **a, size_t n, char **b) {
 586         a = strv_skip(a, n);
 587         assert_se(strv_equal(a, b));
 588 }
 589
 590 static void test_strv_skip(void) {
 591         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 0, STRV_MAKE("foo", "bar", "baz"));
 592         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 1, STRV_MAKE("bar", "baz"));
 593         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 2, STRV_MAKE("baz"));
 594         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 3, STRV_MAKE(NULL));
 595         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 4, STRV_MAKE(NULL));
 596         test_strv_skip_one(STRV_MAKE("foo", "bar", "baz"), 55, STRV_MAKE(NULL));
 597
 598         test_strv_skip_one(STRV_MAKE("quux"), 0, STRV_MAKE("quux"));
 599         test_strv_skip_one(STRV_MAKE("quux"), 1, STRV_MAKE(NULL));
 600         test_strv_skip_one(STRV_MAKE("quux"), 55, STRV_MAKE(NULL));
 601
 602         test_strv_skip_one(STRV_MAKE(NULL), 0, STRV_MAKE(NULL));
 603         test_strv_skip_one(STRV_MAKE(NULL), 1, STRV_MAKE(NULL));
 604         test_strv_skip_one(STRV_MAKE(NULL), 55, STRV_MAKE(NULL));
 605 }
 606
 607 static void test_strv_extend_n(void) {
 608         _cleanup_strv_free_ char **v = NULL;
 609
 610         v = strv_new("foo", "bar", NULL);
 611         assert_se(v);
 612
 613         assert_se(strv_extend_n(&v, "waldo", 3) >= 0);
 614         assert_se(strv_extend_n(&v, "piep", 2) >= 0);
 615
 616         assert_se(streq(v[0], "foo"));
 617         assert_se(streq(v[1], "bar"));
 618         assert_se(streq(v[2], "waldo"));
 619         assert_se(streq(v[3], "waldo"));
 620         assert_se(streq(v[4], "waldo"));
 621         assert_se(streq(v[5], "piep"));
 622         assert_se(streq(v[6], "piep"));
 623         assert_se(v[7] == NULL);
 624
 625         v = strv_free(v);
 626
 627         assert_se(strv_extend_n(&v, "foo", 1) >= 0);
 628         assert_se(strv_extend_n(&v, "bar", 0) >= 0);
 629
 630         assert_se(streq(v[0], "foo"));
 631         assert_se(v[1] == NULL);
 632 }
 633
 634 static void test_strv_make_nulstr_one(char **l) {
 635         _cleanup_free_ char *b = NULL, *c = NULL;
 636         _cleanup_strv_free_ char **q = NULL;
 637         const char *s = NULL;
 638         size_t n, m;
 639         unsigned i = 0;
 640
 641         assert_se(strv_make_nulstr(l, &b, &n) >= 0);
 642         assert_se(q = strv_parse_nulstr(b, n));
 643         assert_se(strv_equal(l, q));
 644
 645         assert_se(strv_make_nulstr(q, &c, &m) >= 0);
 646         assert_se(m == n);
 647         assert_se(memcmp(b, c, m) == 0);
 648
 649         NULSTR_FOREACH(s, b)
 650                 assert_se(streq(s, l[i++]));
 651         assert_se(i == strv_length(l));
 652 }
 653
 654 static void test_strv_make_nulstr(void) {
 655         test_strv_make_nulstr_one(NULL);
 656         test_strv_make_nulstr_one(STRV_MAKE(NULL));
 657         test_strv_make_nulstr_one(STRV_MAKE("foo"));
 658         test_strv_make_nulstr_one(STRV_MAKE("foo", "bar"));
 659         test_strv_make_nulstr_one(STRV_MAKE("foo", "bar", "quuux"));
 660 }
 661
 662 static void test_strv_free_free(void) {
 663         char ***t;
 664
 665         assert_se(t = new(char**, 3));
 666         assert_se(t[0] = strv_new("a", "b", NULL));
 667         assert_se(t[1] = strv_new("c", "d", "e", NULL));
 668         t[2] = NULL;
 669
 670         t = strv_free_free(t);
 671 }
 672
 673 static void test_foreach_string(void) {
 674         const char * const t[] = {
 675                 "foo",
 676                 "bar",
 677                 "waldo",
 678                 NULL
 679         };
 680         const char *x;
 681         unsigned i = 0;
 682
 683         FOREACH_STRING(x, "foo", "bar", "waldo")
 684                 assert_se(streq_ptr(t[i++], x));
 685
 686         assert_se(i == 3);
 687
 688         FOREACH_STRING(x, "zzz")
 689                 assert_se(streq(x, "zzz"));
 690 }
 691
 692 static void test_strv_fnmatch(void) {
 693         _cleanup_strv_free_ char **v = NULL;
 694
 695         assert_se(!strv_fnmatch(STRV_MAKE_EMPTY, "a", 0));
 696
 697         v = strv_new("*\\*", NULL);
 698         assert_se(!strv_fnmatch(v, "\\", 0));
 699         assert_se(strv_fnmatch(v, "\\", FNM_NOESCAPE));
 700 }
 701
 702 int main(int argc, char *argv[]) {
 703         test_specifier_printf();
 704         test_str_in_set();
 705         test_strptr_in_set();
 706         test_strv_foreach();
 707         test_strv_foreach_backwards();
 708         test_strv_foreach_pair();
 709         test_strv_find();
 710         test_strv_find_prefix();
 711         test_strv_find_startswith();
 712         test_strv_join();
 713
 714         test_strv_unquote("    foo=bar     \"waldo\"    zzz    ", STRV_MAKE("foo=bar", "waldo", "zzz"));
 715         test_strv_unquote("", STRV_MAKE_EMPTY);
 716         test_strv_unquote(" ", STRV_MAKE_EMPTY);
 717         test_strv_unquote("   ", STRV_MAKE_EMPTY);
 718         test_strv_unquote("   x", STRV_MAKE("x"));
 719         test_strv_unquote("x   ", STRV_MAKE("x"));
 720         test_strv_unquote("  x   ", STRV_MAKE("x"));
 721         test_strv_unquote("  \"x\"   ", STRV_MAKE("x"));
 722         test_strv_unquote("  'x'   ", STRV_MAKE("x"));
 723         test_strv_unquote("  'x\"'   ", STRV_MAKE("x\""));
 724         test_strv_unquote("  \"x'\"   ", STRV_MAKE("x'"));
 725         test_strv_unquote("a  '--b=c \"d e\"'", STRV_MAKE("a", "--b=c \"d e\""));
 726
 727         /* trailing backslashes */
 728         test_strv_unquote("  x\\\\", STRV_MAKE("x\\"));
 729         test_invalid_unquote("  x\\");
 730
 731         test_invalid_unquote("a  --b='c \"d e\"''");
 732         test_invalid_unquote("a  --b='c \"d e\" '\"");
 733         test_invalid_unquote("a  --b='c \"d e\"garbage");
 734         test_invalid_unquote("'");
 735         test_invalid_unquote("\"");
 736         test_invalid_unquote("'x'y'g");
 737
 738         test_strv_split();
 739         test_strv_split_extract();
 740         test_strv_split_newlines();
 741         test_strv_split_nulstr();
 742         test_strv_parse_nulstr();
 743         test_strv_overlap();
 744         test_strv_sort();
 745         test_strv_extend_strv();
 746         test_strv_extend_strv_concat();
 747         test_strv_extend();
 748         test_strv_extendf();
 749         test_strv_from_stdarg_alloca();
 750         test_strv_insert();
 751         test_strv_push_prepend();
 752         test_strv_push();
 753         test_strv_equal();
 754         test_strv_is_uniq();
 755         test_strv_reverse();
 756         test_strv_shell_escape();
 757         test_strv_skip();
 758         test_strv_extend_n();
 759         test_strv_make_nulstr();
 760         test_strv_free_free();
 761
 762         test_foreach_string();
 763         test_strv_fnmatch();
 764
 765         return 0;
 766 }