src/test/test-parse-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <errno.h>
   4 #include <locale.h>
   5 #include <math.h>
   6 #include <sys/socket.h>
   7
   8 #include "alloc-util.h"
   9 #include "errno-list.h"
  10 #include "log.h"
  11 #include "parse-util.h"
  12 #include "string-util.h"
  13
  14 static void test_parse_boolean(void) {
  15         assert_se(parse_boolean("1") == 1);
  16         assert_se(parse_boolean("y") == 1);
  17         assert_se(parse_boolean("Y") == 1);
  18         assert_se(parse_boolean("yes") == 1);
  19         assert_se(parse_boolean("YES") == 1);
  20         assert_se(parse_boolean("true") == 1);
  21         assert_se(parse_boolean("TRUE") == 1);
  22         assert_se(parse_boolean("on") == 1);
  23         assert_se(parse_boolean("ON") == 1);
  24
  25         assert_se(parse_boolean("0") == 0);
  26         assert_se(parse_boolean("n") == 0);
  27         assert_se(parse_boolean("N") == 0);
  28         assert_se(parse_boolean("no") == 0);
  29         assert_se(parse_boolean("NO") == 0);
  30         assert_se(parse_boolean("false") == 0);
  31         assert_se(parse_boolean("FALSE") == 0);
  32         assert_se(parse_boolean("off") == 0);
  33         assert_se(parse_boolean("OFF") == 0);
  34
  35         assert_se(parse_boolean("garbage") < 0);
  36         assert_se(parse_boolean("") < 0);
  37         assert_se(parse_boolean("full") < 0);
  38 }
  39
  40 static void test_parse_pid(void) {
  41         int r;
  42         pid_t pid;
  43
  44         r = parse_pid("100", &pid);
  45         assert_se(r == 0);
  46         assert_se(pid == 100);
  47
  48         r = parse_pid("0x7FFFFFFF", &pid);
  49         assert_se(r == 0);
  50         assert_se(pid == 2147483647);
  51
  52         pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
  53         r = parse_pid("0", &pid);
  54         assert_se(r == -ERANGE);
  55         assert_se(pid == 65);
  56
  57         pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
  58         r = parse_pid("-100", &pid);
  59         assert_se(r == -ERANGE);
  60         assert_se(pid == 65);
  61
  62         pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
  63         r = parse_pid("0xFFFFFFFFFFFFFFFFF", &pid);
  64         assert_se(r == -ERANGE);
  65         assert_se(pid == 65);
  66
  67         r = parse_pid("junk", &pid);
  68         assert_se(r == -EINVAL);
  69
  70         r = parse_pid("", &pid);
  71         assert_se(r == -EINVAL);
  72 }
  73
  74 static void test_parse_mode(void) {
  75         mode_t m;
  76
  77         assert_se(parse_mode("-1", &m) < 0);
  78         assert_se(parse_mode("", &m) < 0);
  79         assert_se(parse_mode("888", &m) < 0);
  80         assert_se(parse_mode("77777", &m) < 0);
  81
  82         assert_se(parse_mode("544", &m) >= 0 && m == 0544);
  83         assert_se(parse_mode("777", &m) >= 0 && m == 0777);
  84         assert_se(parse_mode("7777", &m) >= 0 && m == 07777);
  85         assert_se(parse_mode("0", &m) >= 0 && m == 0);
  86 }
  87
  88 static void test_parse_size(void) {
  89         uint64_t bytes;
  90
  91         assert_se(parse_size("", 1024, &bytes) == -EINVAL);
  92
  93         assert_se(parse_size("111", 1024, &bytes) == 0);
  94         assert_se(bytes == 111);
  95
  96         assert_se(parse_size("111.4", 1024, &bytes) == 0);
  97         assert_se(bytes == 111);
  98
  99         assert_se(parse_size(" 112 B", 1024, &bytes) == 0);
 100         assert_se(bytes == 112);
 101
 102         assert_se(parse_size(" 112.6 B", 1024, &bytes) == 0);
 103         assert_se(bytes == 112);
 104
 105         assert_se(parse_size("3.5 K", 1024, &bytes) == 0);
 106         assert_se(bytes == 3*1024 + 512);
 107
 108         assert_se(parse_size("3. K", 1024, &bytes) == 0);
 109         assert_se(bytes == 3*1024);
 110
 111         assert_se(parse_size("3.0 K", 1024, &bytes) == 0);
 112         assert_se(bytes == 3*1024);
 113
 114         assert_se(parse_size("3. 0 K", 1024, &bytes) == -EINVAL);
 115
 116         assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0);
 117         assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512);
 118
 119         assert_se(parse_size("3B3.5G", 1024, &bytes) == -EINVAL);
 120
 121         assert_se(parse_size("3.5G3B", 1024, &bytes) == 0);
 122         assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3);
 123
 124         assert_se(parse_size("3.5G 4B", 1024, &bytes) == 0);
 125         assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 4);
 126
 127         assert_se(parse_size("3B3G4T", 1024, &bytes) == -EINVAL);
 128
 129         assert_se(parse_size("4T3G3B", 1024, &bytes) == 0);
 130         assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
 131
 132         assert_se(parse_size(" 4 T 3 G 3 B", 1024, &bytes) == 0);
 133         assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
 134
 135         assert_se(parse_size("12P", 1024, &bytes) == 0);
 136         assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
 137
 138         assert_se(parse_size("12P12P", 1024, &bytes) == -EINVAL);
 139
 140         assert_se(parse_size("3E 2P", 1024, &bytes) == 0);
 141         assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
 142
 143         assert_se(parse_size("12X", 1024, &bytes) == -EINVAL);
 144
 145         assert_se(parse_size("12.5X", 1024, &bytes) == -EINVAL);
 146
 147         assert_se(parse_size("12.5e3", 1024, &bytes) == -EINVAL);
 148
 149         assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE);
 150         assert_se(parse_size("-1", 1024, &bytes) == -ERANGE);
 151         assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE);
 152
 153         assert_se(parse_size("-1024P", 1024, &bytes) == -ERANGE);
 154
 155         assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE);
 156 }
 157
 158 static void test_parse_range(void) {
 159         unsigned lower, upper;
 160
 161         /* Successful cases */
 162         assert_se(parse_range("111", &lower, &upper) == 0);
 163         assert_se(lower == 111);
 164         assert_se(upper == 111);
 165
 166         assert_se(parse_range("111-123", &lower, &upper) == 0);
 167         assert_se(lower == 111);
 168         assert_se(upper == 123);
 169
 170         assert_se(parse_range("123-111", &lower, &upper) == 0);
 171         assert_se(lower == 123);
 172         assert_se(upper == 111);
 173
 174         assert_se(parse_range("123-123", &lower, &upper) == 0);
 175         assert_se(lower == 123);
 176         assert_se(upper == 123);
 177
 178         assert_se(parse_range("0", &lower, &upper) == 0);
 179         assert_se(lower == 0);
 180         assert_se(upper == 0);
 181
 182         assert_se(parse_range("0-15", &lower, &upper) == 0);
 183         assert_se(lower == 0);
 184         assert_se(upper == 15);
 185
 186         assert_se(parse_range("15-0", &lower, &upper) == 0);
 187         assert_se(lower == 15);
 188         assert_se(upper == 0);
 189
 190         assert_se(parse_range("128-65535", &lower, &upper) == 0);
 191         assert_se(lower == 128);
 192         assert_se(upper == 65535);
 193
 194         assert_se(parse_range("1024-4294967295", &lower, &upper) == 0);
 195         assert_se(lower == 1024);
 196         assert_se(upper == 4294967295);
 197
 198         /* Leading whitespace is acceptable */
 199         assert_se(parse_range(" 111", &lower, &upper) == 0);
 200         assert_se(lower == 111);
 201         assert_se(upper == 111);
 202
 203         assert_se(parse_range(" 111-123", &lower, &upper) == 0);
 204         assert_se(lower == 111);
 205         assert_se(upper == 123);
 206
 207         assert_se(parse_range("111- 123", &lower, &upper) == 0);
 208         assert_se(lower == 111);
 209         assert_se(upper == 123);
 210
 211         assert_se(parse_range("\t111-\t123", &lower, &upper) == 0);
 212         assert_se(lower == 111);
 213         assert_se(upper == 123);
 214
 215         assert_se(parse_range(" \t 111- \t 123", &lower, &upper) == 0);
 216         assert_se(lower == 111);
 217         assert_se(upper == 123);
 218
 219         /* Error cases, make sure they fail as expected */
 220         lower = upper = 9999;
 221         assert_se(parse_range("111garbage", &lower, &upper) == -EINVAL);
 222         assert_se(lower == 9999);
 223         assert_se(upper == 9999);
 224
 225         assert_se(parse_range("garbage111", &lower, &upper) == -EINVAL);
 226         assert_se(lower == 9999);
 227         assert_se(upper == 9999);
 228
 229         assert_se(parse_range("garbage", &lower, &upper) == -EINVAL);
 230         assert_se(lower == 9999);
 231         assert_se(upper == 9999);
 232
 233         assert_se(parse_range("111-123garbage", &lower, &upper) == -EINVAL);
 234         assert_se(lower == 9999);
 235         assert_se(upper == 9999);
 236
 237         assert_se(parse_range("111garbage-123", &lower, &upper) == -EINVAL);
 238         assert_se(lower == 9999);
 239         assert_se(upper == 9999);
 240
 241         /* Empty string */
 242         lower = upper = 9999;
 243         assert_se(parse_range("", &lower, &upper) == -EINVAL);
 244         assert_se(lower == 9999);
 245         assert_se(upper == 9999);
 246
 247         /* 111--123 will pass -123 to safe_atou which returns -ERANGE for negative */
 248         assert_se(parse_range("111--123", &lower, &upper) == -ERANGE);
 249         assert_se(lower == 9999);
 250         assert_se(upper == 9999);
 251
 252         assert_se(parse_range("-123", &lower, &upper) == -EINVAL);
 253         assert_se(lower == 9999);
 254         assert_se(upper == 9999);
 255
 256         assert_se(parse_range("-111-123", &lower, &upper) == -EINVAL);
 257         assert_se(lower == 9999);
 258         assert_se(upper == 9999);
 259
 260         assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL);
 261         assert_se(lower == 9999);
 262         assert_se(upper == 9999);
 263
 264         assert_se(parse_range("111.4-123", &lower, &upper) == -EINVAL);
 265         assert_se(lower == 9999);
 266         assert_se(upper == 9999);
 267
 268         assert_se(parse_range("111-123.4", &lower, &upper) == -EINVAL);
 269         assert_se(lower == 9999);
 270         assert_se(upper == 9999);
 271
 272         assert_se(parse_range("111,4-123", &lower, &upper) == -EINVAL);
 273         assert_se(lower == 9999);
 274         assert_se(upper == 9999);
 275
 276         assert_se(parse_range("111-123,4", &lower, &upper) == -EINVAL);
 277         assert_se(lower == 9999);
 278         assert_se(upper == 9999);
 279
 280         /* Error on trailing dash */
 281         assert_se(parse_range("111-", &lower, &upper) == -EINVAL);
 282         assert_se(lower == 9999);
 283         assert_se(upper == 9999);
 284
 285         assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL);
 286         assert_se(lower == 9999);
 287         assert_se(upper == 9999);
 288
 289         assert_se(parse_range("111--", &lower, &upper) == -EINVAL);
 290         assert_se(lower == 9999);
 291         assert_se(upper == 9999);
 292
 293         assert_se(parse_range("111- ", &lower, &upper) == -EINVAL);
 294         assert_se(lower == 9999);
 295         assert_se(upper == 9999);
 296
 297         /* Whitespace is not a separator */
 298         assert_se(parse_range("111 123", &lower, &upper) == -EINVAL);
 299         assert_se(lower == 9999);
 300         assert_se(upper == 9999);
 301
 302         assert_se(parse_range("111\t123", &lower, &upper) == -EINVAL);
 303         assert_se(lower == 9999);
 304         assert_se(upper == 9999);
 305
 306         assert_se(parse_range("111 \t 123", &lower, &upper) == -EINVAL);
 307         assert_se(lower == 9999);
 308         assert_se(upper == 9999);
 309
 310         /* Trailing whitespace is invalid (from safe_atou) */
 311         assert_se(parse_range("111 ", &lower, &upper) == -EINVAL);
 312         assert_se(lower == 9999);
 313         assert_se(upper == 9999);
 314
 315         assert_se(parse_range("111-123 ", &lower, &upper) == -EINVAL);
 316         assert_se(lower == 9999);
 317         assert_se(upper == 9999);
 318
 319         assert_se(parse_range("111 -123", &lower, &upper) == -EINVAL);
 320         assert_se(lower == 9999);
 321         assert_se(upper == 9999);
 322
 323         assert_se(parse_range("111 -123 ", &lower, &upper) == -EINVAL);
 324         assert_se(lower == 9999);
 325         assert_se(upper == 9999);
 326
 327         assert_se(parse_range("111\t-123\t", &lower, &upper) == -EINVAL);
 328         assert_se(lower == 9999);
 329         assert_se(upper == 9999);
 330
 331         assert_se(parse_range("111 \t -123 \t ", &lower, &upper) == -EINVAL);
 332         assert_se(lower == 9999);
 333         assert_se(upper == 9999);
 334
 335         /* Out of the "unsigned" range, this is 1<<64 */
 336         assert_se(parse_range("0-18446744073709551616", &lower, &upper) == -ERANGE);
 337         assert_se(lower == 9999);
 338         assert_se(upper == 9999);
 339 }
 340
 341 static void test_safe_atolli(void) {
 342         int r;
 343         long long l;
 344
 345         r = safe_atolli("12345", &l);
 346         assert_se(r == 0);
 347         assert_se(l == 12345);
 348
 349         r = safe_atolli("  12345", &l);
 350         assert_se(r == 0);
 351         assert_se(l == 12345);
 352
 353         r = safe_atolli("-12345", &l);
 354         assert_se(r == 0);
 355         assert_se(l == -12345);
 356
 357         r = safe_atolli("  -12345", &l);
 358         assert_se(r == 0);
 359         assert_se(l == -12345);
 360
 361         r = safe_atolli("12345678901234567890", &l);
 362         assert_se(r == -ERANGE);
 363
 364         r = safe_atolli("-12345678901234567890", &l);
 365         assert_se(r == -ERANGE);
 366
 367         r = safe_atolli("junk", &l);
 368         assert_se(r == -EINVAL);
 369
 370         r = safe_atolli("123x", &l);
 371         assert_se(r == -EINVAL);
 372
 373         r = safe_atolli("12.3", &l);
 374         assert_se(r == -EINVAL);
 375
 376         r = safe_atolli("", &l);
 377         assert_se(r == -EINVAL);
 378 }
 379
 380 static void test_safe_atou16(void) {
 381         int r;
 382         uint16_t l;
 383
 384         r = safe_atou16("12345", &l);
 385         assert_se(r == 0);
 386         assert_se(l == 12345);
 387
 388         r = safe_atou16("  12345", &l);
 389         assert_se(r == 0);
 390         assert_se(l == 12345);
 391
 392         r = safe_atou16("123456", &l);
 393         assert_se(r == -ERANGE);
 394
 395         r = safe_atou16("-1", &l);
 396         assert_se(r == -ERANGE);
 397
 398         r = safe_atou16("  -1", &l);
 399         assert_se(r == -ERANGE);
 400
 401         r = safe_atou16("junk", &l);
 402         assert_se(r == -EINVAL);
 403
 404         r = safe_atou16("123x", &l);
 405         assert_se(r == -EINVAL);
 406
 407         r = safe_atou16("12.3", &l);
 408         assert_se(r == -EINVAL);
 409
 410         r = safe_atou16("", &l);
 411         assert_se(r == -EINVAL);
 412 }
 413
 414 static void test_safe_atoi16(void) {
 415         int r;
 416         int16_t l;
 417
 418         r = safe_atoi16("-12345", &l);
 419         assert_se(r == 0);
 420         assert_se(l == -12345);
 421
 422         r = safe_atoi16("  -12345", &l);
 423         assert_se(r == 0);
 424         assert_se(l == -12345);
 425
 426         r = safe_atoi16("32767", &l);
 427         assert_se(r == 0);
 428         assert_se(l == 32767);
 429
 430         r = safe_atoi16("  32767", &l);
 431         assert_se(r == 0);
 432         assert_se(l == 32767);
 433
 434         r = safe_atoi16("36536", &l);
 435         assert_se(r == -ERANGE);
 436
 437         r = safe_atoi16("-32769", &l);
 438         assert_se(r == -ERANGE);
 439
 440         r = safe_atoi16("junk", &l);
 441         assert_se(r == -EINVAL);
 442
 443         r = safe_atoi16("123x", &l);
 444         assert_se(r == -EINVAL);
 445
 446         r = safe_atoi16("12.3", &l);
 447         assert_se(r == -EINVAL);
 448
 449         r = safe_atoi16("", &l);
 450         assert_se(r == -EINVAL);
 451 }
 452
 453 static void test_safe_atoux16(void) {
 454         int r;
 455         uint16_t l;
 456
 457         r = safe_atoux16("1234", &l);
 458         assert_se(r == 0);
 459         assert_se(l == 0x1234);
 460
 461         r = safe_atoux16("abcd", &l);
 462         assert_se(r == 0);
 463         assert_se(l == 0xabcd);
 464
 465         r = safe_atoux16("  1234", &l);
 466         assert_se(r == 0);
 467         assert_se(l == 0x1234);
 468
 469         r = safe_atoux16("12345", &l);
 470         assert_se(r == -ERANGE);
 471
 472         r = safe_atoux16("-1", &l);
 473         assert_se(r == -ERANGE);
 474
 475         r = safe_atoux16("  -1", &l);
 476         assert_se(r == -ERANGE);
 477
 478         r = safe_atoux16("junk", &l);
 479         assert_se(r == -EINVAL);
 480
 481         r = safe_atoux16("123x", &l);
 482         assert_se(r == -EINVAL);
 483
 484         r = safe_atoux16("12.3", &l);
 485         assert_se(r == -EINVAL);
 486
 487         r = safe_atoux16("", &l);
 488         assert_se(r == -EINVAL);
 489 }
 490
 491 static void test_safe_atou64(void) {
 492         int r;
 493         uint64_t l;
 494
 495         r = safe_atou64("12345", &l);
 496         assert_se(r == 0);
 497         assert_se(l == 12345);
 498
 499         r = safe_atou64("  12345", &l);
 500         assert_se(r == 0);
 501         assert_se(l == 12345);
 502
 503         r = safe_atou64("18446744073709551617", &l);
 504         assert_se(r == -ERANGE);
 505
 506         r = safe_atou64("-1", &l);
 507         assert_se(r == -ERANGE);
 508
 509         r = safe_atou64("  -1", &l);
 510         assert_se(r == -ERANGE);
 511
 512         r = safe_atou64("junk", &l);
 513         assert_se(r == -EINVAL);
 514
 515         r = safe_atou64("123x", &l);
 516         assert_se(r == -EINVAL);
 517
 518         r = safe_atou64("12.3", &l);
 519         assert_se(r == -EINVAL);
 520
 521         r = safe_atou64("", &l);
 522         assert_se(r == -EINVAL);
 523 }
 524
 525 static void test_safe_atoi64(void) {
 526         int r;
 527         int64_t l;
 528
 529         r = safe_atoi64("-12345", &l);
 530         assert_se(r == 0);
 531         assert_se(l == -12345);
 532
 533         r = safe_atoi64("  -12345", &l);
 534         assert_se(r == 0);
 535         assert_se(l == -12345);
 536
 537         r = safe_atoi64("32767", &l);
 538         assert_se(r == 0);
 539         assert_se(l == 32767);
 540
 541         r = safe_atoi64("  32767", &l);
 542         assert_se(r == 0);
 543         assert_se(l == 32767);
 544
 545         r = safe_atoi64("9223372036854775813", &l);
 546         assert_se(r == -ERANGE);
 547
 548         r = safe_atoi64("-9223372036854775813", &l);
 549         assert_se(r == -ERANGE);
 550
 551         r = safe_atoi64("junk", &l);
 552         assert_se(r == -EINVAL);
 553
 554         r = safe_atoi64("123x", &l);
 555         assert_se(r == -EINVAL);
 556
 557         r = safe_atoi64("12.3", &l);
 558         assert_se(r == -EINVAL);
 559
 560         r = safe_atoi64("", &l);
 561         assert_se(r == -EINVAL);
 562 }
 563
 564 static void test_safe_atod(void) {
 565         int r;
 566         double d;
 567         char *e;
 568
 569         r = safe_atod("junk", &d);
 570         assert_se(r == -EINVAL);
 571
 572         r = safe_atod("0.2244", &d);
 573         assert_se(r == 0);
 574         assert_se(fabs(d - 0.2244) < 0.000001);
 575
 576         r = safe_atod("0,5", &d);
 577         assert_se(r == -EINVAL);
 578
 579         errno = 0;
 580         strtod("0,5", &e);
 581         assert_se(*e == ',');
 582
 583         r = safe_atod("", &d);
 584         assert_se(r == -EINVAL);
 585
 586         /* Check if this really is locale independent */
 587         if (setlocale(LC_NUMERIC, "de_DE.utf8")) {
 588
 589                 r = safe_atod("0.2244", &d);
 590                 assert_se(r == 0);
 591                 assert_se(fabs(d - 0.2244) < 0.000001);
 592
 593                 r = safe_atod("0,5", &d);
 594                 assert_se(r == -EINVAL);
 595
 596                 errno = 0;
 597                 assert_se(fabs(strtod("0,5", &e) - 0.5) < 0.00001);
 598
 599                 r = safe_atod("", &d);
 600                 assert_se(r == -EINVAL);
 601         }
 602
 603         /* And check again, reset */
 604         assert_se(setlocale(LC_NUMERIC, "C"));
 605
 606         r = safe_atod("0.2244", &d);
 607         assert_se(r == 0);
 608         assert_se(fabs(d - 0.2244) < 0.000001);
 609
 610         r = safe_atod("0,5", &d);
 611         assert_se(r == -EINVAL);
 612
 613         errno = 0;
 614         strtod("0,5", &e);
 615         assert_se(*e == ',');
 616
 617         r = safe_atod("", &d);
 618         assert_se(r == -EINVAL);
 619 }
 620
 621 static void test_parse_percent(void) {
 622         assert_se(parse_percent("") == -EINVAL);
 623         assert_se(parse_percent("foo") == -EINVAL);
 624         assert_se(parse_percent("0") == -EINVAL);
 625         assert_se(parse_percent("50") == -EINVAL);
 626         assert_se(parse_percent("100") == -EINVAL);
 627         assert_se(parse_percent("-1") == -EINVAL);
 628         assert_se(parse_percent("0%") == 0);
 629         assert_se(parse_percent("55%") == 55);
 630         assert_se(parse_percent("100%") == 100);
 631         assert_se(parse_percent("-7%") == -ERANGE);
 632         assert_se(parse_percent("107%") == -ERANGE);
 633         assert_se(parse_percent("%") == -EINVAL);
 634         assert_se(parse_percent("%%") == -EINVAL);
 635         assert_se(parse_percent("%1") == -EINVAL);
 636         assert_se(parse_percent("1%%") == -EINVAL);
 637         assert_se(parse_percent("3.2%") == -EINVAL);
 638 }
 639
 640 static void test_parse_percent_unbounded(void) {
 641         assert_se(parse_percent_unbounded("101%") == 101);
 642         assert_se(parse_percent_unbounded("400%") == 400);
 643 }
 644
 645 static void test_parse_permille(void) {
 646         assert_se(parse_permille("") == -EINVAL);
 647         assert_se(parse_permille("foo") == -EINVAL);
 648         assert_se(parse_permille("0") == -EINVAL);
 649         assert_se(parse_permille("50") == -EINVAL);
 650         assert_se(parse_permille("100") == -EINVAL);
 651         assert_se(parse_permille("-1") == -EINVAL);
 652
 653         assert_se(parse_permille("0‰") == 0);
 654         assert_se(parse_permille("555‰") == 555);
 655         assert_se(parse_permille("1000‰") == 1000);
 656         assert_se(parse_permille("-7‰") == -ERANGE);
 657         assert_se(parse_permille("1007‰") == -ERANGE);
 658         assert_se(parse_permille("‰") == -EINVAL);
 659         assert_se(parse_permille("‰‰") == -EINVAL);
 660         assert_se(parse_permille("‰1") == -EINVAL);
 661         assert_se(parse_permille("1‰‰") == -EINVAL);
 662         assert_se(parse_permille("3.2‰") == -EINVAL);
 663
 664         assert_se(parse_permille("0%") == 0);
 665         assert_se(parse_permille("55%") == 550);
 666         assert_se(parse_permille("55.5%") == 555);
 667         assert_se(parse_permille("100%") == 1000);
 668         assert_se(parse_permille("-7%") == -ERANGE);
 669         assert_se(parse_permille("107%") == -ERANGE);
 670         assert_se(parse_permille("%") == -EINVAL);
 671         assert_se(parse_permille("%%") == -EINVAL);
 672         assert_se(parse_permille("%1") == -EINVAL);
 673         assert_se(parse_permille("1%%") == -EINVAL);
 674         assert_se(parse_permille("3.21%") == -EINVAL);
 675 }
 676
 677 static void test_parse_permille_unbounded(void) {
 678         assert_se(parse_permille_unbounded("1001‰") == 1001);
 679         assert_se(parse_permille_unbounded("4000‰") == 4000);
 680         assert_se(parse_permille_unbounded("2147483647‰") == 2147483647);
 681         assert_se(parse_permille_unbounded("2147483648‰") == -ERANGE);
 682         assert_se(parse_permille_unbounded("4294967295‰") == -ERANGE);
 683         assert_se(parse_permille_unbounded("4294967296‰") == -ERANGE);
 684
 685         assert_se(parse_permille_unbounded("101%") == 1010);
 686         assert_se(parse_permille_unbounded("400%") == 4000);
 687         assert_se(parse_permille_unbounded("214748364.7%") == 2147483647);
 688         assert_se(parse_permille_unbounded("214748364.8%") == -ERANGE);
 689         assert_se(parse_permille_unbounded("429496729.5%") == -ERANGE);
 690         assert_se(parse_permille_unbounded("429496729.6%") == -ERANGE);
 691 }
 692
 693 static void test_parse_nice(void) {
 694         int n;
 695
 696         assert_se(parse_nice("0", &n) >= 0 && n == 0);
 697         assert_se(parse_nice("+0", &n) >= 0 && n == 0);
 698         assert_se(parse_nice("-1", &n) >= 0 && n == -1);
 699         assert_se(parse_nice("-2", &n) >= 0 && n == -2);
 700         assert_se(parse_nice("1", &n) >= 0 && n == 1);
 701         assert_se(parse_nice("2", &n) >= 0 && n == 2);
 702         assert_se(parse_nice("+1", &n) >= 0 && n == 1);
 703         assert_se(parse_nice("+2", &n) >= 0 && n == 2);
 704         assert_se(parse_nice("-20", &n) >= 0 && n == -20);
 705         assert_se(parse_nice("19", &n) >= 0 && n == 19);
 706         assert_se(parse_nice("+19", &n) >= 0 && n == 19);
 707
 708         assert_se(parse_nice("", &n) == -EINVAL);
 709         assert_se(parse_nice("-", &n) == -EINVAL);
 710         assert_se(parse_nice("+", &n) == -EINVAL);
 711         assert_se(parse_nice("xx", &n) == -EINVAL);
 712         assert_se(parse_nice("-50", &n) == -ERANGE);
 713         assert_se(parse_nice("50", &n) == -ERANGE);
 714         assert_se(parse_nice("+50", &n) == -ERANGE);
 715         assert_se(parse_nice("-21", &n) == -ERANGE);
 716         assert_se(parse_nice("20", &n) == -ERANGE);
 717         assert_se(parse_nice("+20", &n) == -ERANGE);
 718 }
 719
 720 static void test_parse_dev(void) {
 721         dev_t dev;
 722
 723         assert_se(parse_dev("", &dev) == -EINVAL);
 724         assert_se(parse_dev("junk", &dev) == -EINVAL);
 725         assert_se(parse_dev("0", &dev) == -EINVAL);
 726         assert_se(parse_dev("5", &dev) == -EINVAL);
 727         assert_se(parse_dev("5:", &dev) == -EINVAL);
 728         assert_se(parse_dev(":5", &dev) == -EINVAL);
 729         assert_se(parse_dev("-1:-1", &dev) == -EINVAL);
 730 #if SIZEOF_DEV_T < 8
 731         assert_se(parse_dev("4294967295:4294967295", &dev) == -EINVAL);
 732 #endif
 733         assert_se(parse_dev("8:11", &dev) >= 0 && major(dev) == 8 && minor(dev) == 11);
 734         assert_se(parse_dev("0:0", &dev) >= 0 && major(dev) == 0 && minor(dev) == 0);
 735 }
 736
 737 static void test_parse_errno(void) {
 738         assert_se(parse_errno("EILSEQ") == EILSEQ);
 739         assert_se(parse_errno("EINVAL") == EINVAL);
 740         assert_se(parse_errno("0") == 0);
 741         assert_se(parse_errno("1") == 1);
 742         assert_se(parse_errno("4095") == 4095);
 743
 744         assert_se(parse_errno("-1") == -ERANGE);
 745         assert_se(parse_errno("-3") == -ERANGE);
 746         assert_se(parse_errno("4096") == -ERANGE);
 747
 748         assert_se(parse_errno("") == -EINVAL);
 749         assert_se(parse_errno("12.3") == -EINVAL);
 750         assert_se(parse_errno("123junk") == -EINVAL);
 751         assert_se(parse_errno("junk123") == -EINVAL);
 752         assert_se(parse_errno("255EILSEQ") == -EINVAL);
 753         assert_se(parse_errno("EINVAL12") == -EINVAL);
 754         assert_se(parse_errno("-EINVAL") == -EINVAL);
 755         assert_se(parse_errno("EINVALaaa") == -EINVAL);
 756 }
 757
 758 static void test_parse_syscall_and_errno(void) {
 759         _cleanup_free_ char *n = NULL;
 760         int e;
 761
 762         assert_se(parse_syscall_and_errno("uname:EILSEQ", &n, &e) >= 0);
 763         assert_se(streq(n, "uname"));
 764         assert_se(e == errno_from_name("EILSEQ") && e >= 0);
 765         n = mfree(n);
 766
 767         assert_se(parse_syscall_and_errno("uname:EINVAL", &n, &e) >= 0);
 768         assert_se(streq(n, "uname"));
 769         assert_se(e == errno_from_name("EINVAL") && e >= 0);
 770         n = mfree(n);
 771
 772         assert_se(parse_syscall_and_errno("@sync:4095", &n, &e) >= 0);
 773         assert_se(streq(n, "@sync"));
 774         assert_se(e == 4095);
 775         n = mfree(n);
 776
 777         /* If errno is omitted, then e is set to -1 */
 778         assert_se(parse_syscall_and_errno("mount", &n, &e) >= 0);
 779         assert_se(streq(n, "mount"));
 780         assert_se(e == -1);
 781         n = mfree(n);
 782
 783         /* parse_syscall_and_errno() does not check the syscall name is valid or not. */
 784         assert_se(parse_syscall_and_errno("hoge:255", &n, &e) >= 0);
 785         assert_se(streq(n, "hoge"));
 786         assert_se(e == 255);
 787         n = mfree(n);
 788
 789         /* The function checks the syscall name is empty or not. */
 790         assert_se(parse_syscall_and_errno("", &n, &e) == -EINVAL);
 791         assert_se(parse_syscall_and_errno(":255", &n, &e) == -EINVAL);
 792
 793         /* errno must be a valid errno name or number between 0 and ERRNO_MAX == 4095 */
 794         assert_se(parse_syscall_and_errno("hoge:4096", &n, &e) == -ERANGE);
 795         assert_se(parse_syscall_and_errno("hoge:-3", &n, &e) == -ERANGE);
 796         assert_se(parse_syscall_and_errno("hoge:12.3", &n, &e) == -EINVAL);
 797         assert_se(parse_syscall_and_errno("hoge:123junk", &n, &e) == -EINVAL);
 798         assert_se(parse_syscall_and_errno("hoge:junk123", &n, &e) == -EINVAL);
 799         assert_se(parse_syscall_and_errno("hoge:255:EILSEQ", &n, &e) == -EINVAL);
 800         assert_se(parse_syscall_and_errno("hoge:-EINVAL", &n, &e) == -EINVAL);
 801         assert_se(parse_syscall_and_errno("hoge:EINVALaaa", &n, &e) == -EINVAL);
 802         assert_se(parse_syscall_and_errno("hoge:", &n, &e) == -EINVAL);
 803 }
 804
 805 static void test_parse_mtu(void) {
 806         uint32_t mtu = 0;
 807
 808         assert_se(parse_mtu(AF_UNSPEC, "1500", &mtu) >= 0 && mtu == 1500);
 809         assert_se(parse_mtu(AF_UNSPEC, "1400", &mtu) >= 0 && mtu == 1400);
 810         assert_se(parse_mtu(AF_UNSPEC, "65535", &mtu) >= 0 && mtu == 65535);
 811         assert_se(parse_mtu(AF_UNSPEC, "65536", &mtu) >= 0 && mtu == 65536);
 812         assert_se(parse_mtu(AF_UNSPEC, "4294967295", &mtu) >= 0 && mtu == 4294967295);
 813         assert_se(parse_mtu(AF_UNSPEC, "500", &mtu) >= 0 && mtu == 500);
 814         assert_se(parse_mtu(AF_UNSPEC, "1280", &mtu) >= 0 && mtu == 1280);
 815         assert_se(parse_mtu(AF_INET6, "1280", &mtu) >= 0 && mtu == 1280);
 816         assert_se(parse_mtu(AF_INET6, "1279", &mtu) == -ERANGE);
 817         assert_se(parse_mtu(AF_UNSPEC, "4294967296", &mtu) == -ERANGE);
 818         assert_se(parse_mtu(AF_INET6, "4294967296", &mtu) == -ERANGE);
 819         assert_se(parse_mtu(AF_INET6, "68", &mtu) == -ERANGE);
 820         assert_se(parse_mtu(AF_UNSPEC, "68", &mtu) >= 0 && mtu == 68);
 821         assert_se(parse_mtu(AF_UNSPEC, "67", &mtu) == -ERANGE);
 822         assert_se(parse_mtu(AF_UNSPEC, "0", &mtu) == -ERANGE);
 823         assert_se(parse_mtu(AF_UNSPEC, "", &mtu) == -EINVAL);
 824 }
 825
 826 int main(int argc, char *argv[]) {
 827         log_parse_environment();
 828         log_open();
 829
 830         test_parse_boolean();
 831         test_parse_pid();
 832         test_parse_mode();
 833         test_parse_size();
 834         test_parse_range();
 835         test_safe_atolli();
 836         test_safe_atou16();
 837         test_safe_atoi16();
 838         test_safe_atoux16();
 839         test_safe_atou64();
 840         test_safe_atoi64();
 841         test_safe_atod();
 842         test_parse_percent();
 843         test_parse_percent_unbounded();
 844         test_parse_permille();
 845         test_parse_permille_unbounded();
 846         test_parse_nice();
 847         test_parse_dev();
 848         test_parse_errno();
 849         test_parse_syscall_and_errno();
 850         test_parse_mtu();
 851
 852         return 0;
 853 }