src/test/test-parse-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2010 Lennart Poettering
   6   Copyright 2013 Thomas H.P. Andersen
   7 ***/
   8
   9 #include <errno.h>
  10 #include <locale.h>
  11 #include <math.h>
  12 #include <sys/socket.h>
  13
  14 #include "alloc-util.h"
  15 #include "errno-list.h"
  16 #include "log.h"
  17 #include "parse-util.h"
  18 #include "string-util.h"
  19
  20 static void test_parse_boolean(void) {
  21         assert_se(parse_boolean("1") == 1);
  22         assert_se(parse_boolean("y") == 1);
  23         assert_se(parse_boolean("Y") == 1);
  24         assert_se(parse_boolean("yes") == 1);
  25         assert_se(parse_boolean("YES") == 1);
  26         assert_se(parse_boolean("true") == 1);
  27         assert_se(parse_boolean("TRUE") == 1);
  28         assert_se(parse_boolean("on") == 1);
  29         assert_se(parse_boolean("ON") == 1);
  30
  31         assert_se(parse_boolean("0") == 0);
  32         assert_se(parse_boolean("n") == 0);
  33         assert_se(parse_boolean("N") == 0);
  34         assert_se(parse_boolean("no") == 0);
  35         assert_se(parse_boolean("NO") == 0);
  36         assert_se(parse_boolean("false") == 0);
  37         assert_se(parse_boolean("FALSE") == 0);
  38         assert_se(parse_boolean("off") == 0);
  39         assert_se(parse_boolean("OFF") == 0);
  40
  41         assert_se(parse_boolean("garbage") < 0);
  42         assert_se(parse_boolean("") < 0);
  43         assert_se(parse_boolean("full") < 0);
  44 }
  45
  46 static void test_parse_pid(void) {
  47         int r;
  48         pid_t pid;
  49
  50         r = parse_pid("100", &pid);
  51         assert_se(r == 0);
  52         assert_se(pid == 100);
  53
  54         r = parse_pid("0x7FFFFFFF", &pid);
  55         assert_se(r == 0);
  56         assert_se(pid == 2147483647);
  57
  58         pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
  59         r = parse_pid("0", &pid);
  60         assert_se(r == -ERANGE);
  61         assert_se(pid == 65);
  62
  63         pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
  64         r = parse_pid("-100", &pid);
  65         assert_se(r == -ERANGE);
  66         assert_se(pid == 65);
  67
  68         pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
  69         r = parse_pid("0xFFFFFFFFFFFFFFFFF", &pid);
  70         assert_se(r == -ERANGE);
  71         assert_se(pid == 65);
  72
  73         r = parse_pid("junk", &pid);
  74         assert_se(r == -EINVAL);
  75
  76         r = parse_pid("", &pid);
  77         assert_se(r == -EINVAL);
  78 }
  79
  80 static void test_parse_mode(void) {
  81         mode_t m;
  82
  83         assert_se(parse_mode("-1", &m) < 0);
  84         assert_se(parse_mode("", &m) < 0);
  85         assert_se(parse_mode("888", &m) < 0);
  86         assert_se(parse_mode("77777", &m) < 0);
  87
  88         assert_se(parse_mode("544", &m) >= 0 && m == 0544);
  89         assert_se(parse_mode("777", &m) >= 0 && m == 0777);
  90         assert_se(parse_mode("7777", &m) >= 0 && m == 07777);
  91         assert_se(parse_mode("0", &m) >= 0 && m == 0);
  92 }
  93
  94 static void test_parse_size(void) {
  95         uint64_t bytes;
  96
  97         assert_se(parse_size("", 1024, &bytes) == -EINVAL);
  98
  99         assert_se(parse_size("111", 1024, &bytes) == 0);
 100         assert_se(bytes == 111);
 101
 102         assert_se(parse_size("111.4", 1024, &bytes) == 0);
 103         assert_se(bytes == 111);
 104
 105         assert_se(parse_size(" 112 B", 1024, &bytes) == 0);
 106         assert_se(bytes == 112);
 107
 108         assert_se(parse_size(" 112.6 B", 1024, &bytes) == 0);
 109         assert_se(bytes == 112);
 110
 111         assert_se(parse_size("3.5 K", 1024, &bytes) == 0);
 112         assert_se(bytes == 3*1024 + 512);
 113
 114         assert_se(parse_size("3. K", 1024, &bytes) == 0);
 115         assert_se(bytes == 3*1024);
 116
 117         assert_se(parse_size("3.0 K", 1024, &bytes) == 0);
 118         assert_se(bytes == 3*1024);
 119
 120         assert_se(parse_size("3. 0 K", 1024, &bytes) == -EINVAL);
 121
 122         assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0);
 123         assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512);
 124
 125         assert_se(parse_size("3B3.5G", 1024, &bytes) == -EINVAL);
 126
 127         assert_se(parse_size("3.5G3B", 1024, &bytes) == 0);
 128         assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3);
 129
 130         assert_se(parse_size("3.5G 4B", 1024, &bytes) == 0);
 131         assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 4);
 132
 133         assert_se(parse_size("3B3G4T", 1024, &bytes) == -EINVAL);
 134
 135         assert_se(parse_size("4T3G3B", 1024, &bytes) == 0);
 136         assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
 137
 138         assert_se(parse_size(" 4 T 3 G 3 B", 1024, &bytes) == 0);
 139         assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
 140
 141         assert_se(parse_size("12P", 1024, &bytes) == 0);
 142         assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
 143
 144         assert_se(parse_size("12P12P", 1024, &bytes) == -EINVAL);
 145
 146         assert_se(parse_size("3E 2P", 1024, &bytes) == 0);
 147         assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
 148
 149         assert_se(parse_size("12X", 1024, &bytes) == -EINVAL);
 150
 151         assert_se(parse_size("12.5X", 1024, &bytes) == -EINVAL);
 152
 153         assert_se(parse_size("12.5e3", 1024, &bytes) == -EINVAL);
 154
 155         assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE);
 156         assert_se(parse_size("-1", 1024, &bytes) == -ERANGE);
 157         assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE);
 158
 159         assert_se(parse_size("-1024P", 1024, &bytes) == -ERANGE);
 160
 161         assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE);
 162 }
 163
 164 static void test_parse_range(void) {
 165         unsigned lower, upper;
 166
 167         /* Successful cases */
 168         assert_se(parse_range("111", &lower, &upper) == 0);
 169         assert_se(lower == 111);
 170         assert_se(upper == 111);
 171
 172         assert_se(parse_range("111-123", &lower, &upper) == 0);
 173         assert_se(lower == 111);
 174         assert_se(upper == 123);
 175
 176         assert_se(parse_range("123-111", &lower, &upper) == 0);
 177         assert_se(lower == 123);
 178         assert_se(upper == 111);
 179
 180         assert_se(parse_range("123-123", &lower, &upper) == 0);
 181         assert_se(lower == 123);
 182         assert_se(upper == 123);
 183
 184         assert_se(parse_range("0", &lower, &upper) == 0);
 185         assert_se(lower == 0);
 186         assert_se(upper == 0);
 187
 188         assert_se(parse_range("0-15", &lower, &upper) == 0);
 189         assert_se(lower == 0);
 190         assert_se(upper == 15);
 191
 192         assert_se(parse_range("15-0", &lower, &upper) == 0);
 193         assert_se(lower == 15);
 194         assert_se(upper == 0);
 195
 196         assert_se(parse_range("128-65535", &lower, &upper) == 0);
 197         assert_se(lower == 128);
 198         assert_se(upper == 65535);
 199
 200         assert_se(parse_range("1024-4294967295", &lower, &upper) == 0);
 201         assert_se(lower == 1024);
 202         assert_se(upper == 4294967295);
 203
 204         /* Leading whitespace is acceptable */
 205         assert_se(parse_range(" 111", &lower, &upper) == 0);
 206         assert_se(lower == 111);
 207         assert_se(upper == 111);
 208
 209         assert_se(parse_range(" 111-123", &lower, &upper) == 0);
 210         assert_se(lower == 111);
 211         assert_se(upper == 123);
 212
 213         assert_se(parse_range("111- 123", &lower, &upper) == 0);
 214         assert_se(lower == 111);
 215         assert_se(upper == 123);
 216
 217         assert_se(parse_range("\t111-\t123", &lower, &upper) == 0);
 218         assert_se(lower == 111);
 219         assert_se(upper == 123);
 220
 221         assert_se(parse_range(" \t 111- \t 123", &lower, &upper) == 0);
 222         assert_se(lower == 111);
 223         assert_se(upper == 123);
 224
 225         /* Error cases, make sure they fail as expected */
 226         lower = upper = 9999;
 227         assert_se(parse_range("111garbage", &lower, &upper) == -EINVAL);
 228         assert_se(lower == 9999);
 229         assert_se(upper == 9999);
 230
 231         assert_se(parse_range("garbage111", &lower, &upper) == -EINVAL);
 232         assert_se(lower == 9999);
 233         assert_se(upper == 9999);
 234
 235         assert_se(parse_range("garbage", &lower, &upper) == -EINVAL);
 236         assert_se(lower == 9999);
 237         assert_se(upper == 9999);
 238
 239         assert_se(parse_range("111-123garbage", &lower, &upper) == -EINVAL);
 240         assert_se(lower == 9999);
 241         assert_se(upper == 9999);
 242
 243         assert_se(parse_range("111garbage-123", &lower, &upper) == -EINVAL);
 244         assert_se(lower == 9999);
 245         assert_se(upper == 9999);
 246
 247         /* Empty string */
 248         lower = upper = 9999;
 249         assert_se(parse_range("", &lower, &upper) == -EINVAL);
 250         assert_se(lower == 9999);
 251         assert_se(upper == 9999);
 252
 253         /* 111--123 will pass -123 to safe_atou which returns -ERANGE for negative */
 254         assert_se(parse_range("111--123", &lower, &upper) == -ERANGE);
 255         assert_se(lower == 9999);
 256         assert_se(upper == 9999);
 257
 258         assert_se(parse_range("-123", &lower, &upper) == -EINVAL);
 259         assert_se(lower == 9999);
 260         assert_se(upper == 9999);
 261
 262         assert_se(parse_range("-111-123", &lower, &upper) == -EINVAL);
 263         assert_se(lower == 9999);
 264         assert_se(upper == 9999);
 265
 266         assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL);
 267         assert_se(lower == 9999);
 268         assert_se(upper == 9999);
 269
 270         assert_se(parse_range("111.4-123", &lower, &upper) == -EINVAL);
 271         assert_se(lower == 9999);
 272         assert_se(upper == 9999);
 273
 274         assert_se(parse_range("111-123.4", &lower, &upper) == -EINVAL);
 275         assert_se(lower == 9999);
 276         assert_se(upper == 9999);
 277
 278         assert_se(parse_range("111,4-123", &lower, &upper) == -EINVAL);
 279         assert_se(lower == 9999);
 280         assert_se(upper == 9999);
 281
 282         assert_se(parse_range("111-123,4", &lower, &upper) == -EINVAL);
 283         assert_se(lower == 9999);
 284         assert_se(upper == 9999);
 285
 286         /* Error on trailing dash */
 287         assert_se(parse_range("111-", &lower, &upper) == -EINVAL);
 288         assert_se(lower == 9999);
 289         assert_se(upper == 9999);
 290
 291         assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL);
 292         assert_se(lower == 9999);
 293         assert_se(upper == 9999);
 294
 295         assert_se(parse_range("111--", &lower, &upper) == -EINVAL);
 296         assert_se(lower == 9999);
 297         assert_se(upper == 9999);
 298
 299         assert_se(parse_range("111- ", &lower, &upper) == -EINVAL);
 300         assert_se(lower == 9999);
 301         assert_se(upper == 9999);
 302
 303         /* Whitespace is not a separator */
 304         assert_se(parse_range("111 123", &lower, &upper) == -EINVAL);
 305         assert_se(lower == 9999);
 306         assert_se(upper == 9999);
 307
 308         assert_se(parse_range("111\t123", &lower, &upper) == -EINVAL);
 309         assert_se(lower == 9999);
 310         assert_se(upper == 9999);
 311
 312         assert_se(parse_range("111 \t 123", &lower, &upper) == -EINVAL);
 313         assert_se(lower == 9999);
 314         assert_se(upper == 9999);
 315
 316         /* Trailing whitespace is invalid (from safe_atou) */
 317         assert_se(parse_range("111 ", &lower, &upper) == -EINVAL);
 318         assert_se(lower == 9999);
 319         assert_se(upper == 9999);
 320
 321         assert_se(parse_range("111-123 ", &lower, &upper) == -EINVAL);
 322         assert_se(lower == 9999);
 323         assert_se(upper == 9999);
 324
 325         assert_se(parse_range("111 -123", &lower, &upper) == -EINVAL);
 326         assert_se(lower == 9999);
 327         assert_se(upper == 9999);
 328
 329         assert_se(parse_range("111 -123 ", &lower, &upper) == -EINVAL);
 330         assert_se(lower == 9999);
 331         assert_se(upper == 9999);
 332
 333         assert_se(parse_range("111\t-123\t", &lower, &upper) == -EINVAL);
 334         assert_se(lower == 9999);
 335         assert_se(upper == 9999);
 336
 337         assert_se(parse_range("111 \t -123 \t ", &lower, &upper) == -EINVAL);
 338         assert_se(lower == 9999);
 339         assert_se(upper == 9999);
 340
 341         /* Out of the "unsigned" range, this is 1<<64 */
 342         assert_se(parse_range("0-18446744073709551616", &lower, &upper) == -ERANGE);
 343         assert_se(lower == 9999);
 344         assert_se(upper == 9999);
 345 }
 346
 347 static void test_safe_atolli(void) {
 348         int r;
 349         long long l;
 350
 351         r = safe_atolli("12345", &l);
 352         assert_se(r == 0);
 353         assert_se(l == 12345);
 354
 355         r = safe_atolli("  12345", &l);
 356         assert_se(r == 0);
 357         assert_se(l == 12345);
 358
 359         r = safe_atolli("-12345", &l);
 360         assert_se(r == 0);
 361         assert_se(l == -12345);
 362
 363         r = safe_atolli("  -12345", &l);
 364         assert_se(r == 0);
 365         assert_se(l == -12345);
 366
 367         r = safe_atolli("12345678901234567890", &l);
 368         assert_se(r == -ERANGE);
 369
 370         r = safe_atolli("-12345678901234567890", &l);
 371         assert_se(r == -ERANGE);
 372
 373         r = safe_atolli("junk", &l);
 374         assert_se(r == -EINVAL);
 375
 376         r = safe_atolli("123x", &l);
 377         assert_se(r == -EINVAL);
 378
 379         r = safe_atolli("12.3", &l);
 380         assert_se(r == -EINVAL);
 381
 382         r = safe_atolli("", &l);
 383         assert_se(r == -EINVAL);
 384 }
 385
 386 static void test_safe_atou16(void) {
 387         int r;
 388         uint16_t l;
 389
 390         r = safe_atou16("12345", &l);
 391         assert_se(r == 0);
 392         assert_se(l == 12345);
 393
 394         r = safe_atou16("  12345", &l);
 395         assert_se(r == 0);
 396         assert_se(l == 12345);
 397
 398         r = safe_atou16("123456", &l);
 399         assert_se(r == -ERANGE);
 400
 401         r = safe_atou16("-1", &l);
 402         assert_se(r == -ERANGE);
 403
 404         r = safe_atou16("  -1", &l);
 405         assert_se(r == -ERANGE);
 406
 407         r = safe_atou16("junk", &l);
 408         assert_se(r == -EINVAL);
 409
 410         r = safe_atou16("123x", &l);
 411         assert_se(r == -EINVAL);
 412
 413         r = safe_atou16("12.3", &l);
 414         assert_se(r == -EINVAL);
 415
 416         r = safe_atou16("", &l);
 417         assert_se(r == -EINVAL);
 418 }
 419
 420 static void test_safe_atoi16(void) {
 421         int r;
 422         int16_t l;
 423
 424         r = safe_atoi16("-12345", &l);
 425         assert_se(r == 0);
 426         assert_se(l == -12345);
 427
 428         r = safe_atoi16("  -12345", &l);
 429         assert_se(r == 0);
 430         assert_se(l == -12345);
 431
 432         r = safe_atoi16("32767", &l);
 433         assert_se(r == 0);
 434         assert_se(l == 32767);
 435
 436         r = safe_atoi16("  32767", &l);
 437         assert_se(r == 0);
 438         assert_se(l == 32767);
 439
 440         r = safe_atoi16("36536", &l);
 441         assert_se(r == -ERANGE);
 442
 443         r = safe_atoi16("-32769", &l);
 444         assert_se(r == -ERANGE);
 445
 446         r = safe_atoi16("junk", &l);
 447         assert_se(r == -EINVAL);
 448
 449         r = safe_atoi16("123x", &l);
 450         assert_se(r == -EINVAL);
 451
 452         r = safe_atoi16("12.3", &l);
 453         assert_se(r == -EINVAL);
 454
 455         r = safe_atoi16("", &l);
 456         assert_se(r == -EINVAL);
 457 }
 458
 459 static void test_safe_atoux16(void) {
 460         int r;
 461         uint16_t l;
 462
 463         r = safe_atoux16("1234", &l);
 464         assert_se(r == 0);
 465         assert_se(l == 0x1234);
 466
 467         r = safe_atoux16("abcd", &l);
 468         assert_se(r == 0);
 469         assert_se(l == 0xabcd);
 470
 471         r = safe_atoux16("  1234", &l);
 472         assert_se(r == 0);
 473         assert_se(l == 0x1234);
 474
 475         r = safe_atoux16("12345", &l);
 476         assert_se(r == -ERANGE);
 477
 478         r = safe_atoux16("-1", &l);
 479         assert_se(r == -ERANGE);
 480
 481         r = safe_atoux16("  -1", &l);
 482         assert_se(r == -ERANGE);
 483
 484         r = safe_atoux16("junk", &l);
 485         assert_se(r == -EINVAL);
 486
 487         r = safe_atoux16("123x", &l);
 488         assert_se(r == -EINVAL);
 489
 490         r = safe_atoux16("12.3", &l);
 491         assert_se(r == -EINVAL);
 492
 493         r = safe_atoux16("", &l);
 494         assert_se(r == -EINVAL);
 495 }
 496
 497 static void test_safe_atou64(void) {
 498         int r;
 499         uint64_t l;
 500
 501         r = safe_atou64("12345", &l);
 502         assert_se(r == 0);
 503         assert_se(l == 12345);
 504
 505         r = safe_atou64("  12345", &l);
 506         assert_se(r == 0);
 507         assert_se(l == 12345);
 508
 509         r = safe_atou64("18446744073709551617", &l);
 510         assert_se(r == -ERANGE);
 511
 512         r = safe_atou64("-1", &l);
 513         assert_se(r == -ERANGE);
 514
 515         r = safe_atou64("  -1", &l);
 516         assert_se(r == -ERANGE);
 517
 518         r = safe_atou64("junk", &l);
 519         assert_se(r == -EINVAL);
 520
 521         r = safe_atou64("123x", &l);
 522         assert_se(r == -EINVAL);
 523
 524         r = safe_atou64("12.3", &l);
 525         assert_se(r == -EINVAL);
 526
 527         r = safe_atou64("", &l);
 528         assert_se(r == -EINVAL);
 529 }
 530
 531 static void test_safe_atoi64(void) {
 532         int r;
 533         int64_t l;
 534
 535         r = safe_atoi64("-12345", &l);
 536         assert_se(r == 0);
 537         assert_se(l == -12345);
 538
 539         r = safe_atoi64("  -12345", &l);
 540         assert_se(r == 0);
 541         assert_se(l == -12345);
 542
 543         r = safe_atoi64("32767", &l);
 544         assert_se(r == 0);
 545         assert_se(l == 32767);
 546
 547         r = safe_atoi64("  32767", &l);
 548         assert_se(r == 0);
 549         assert_se(l == 32767);
 550
 551         r = safe_atoi64("9223372036854775813", &l);
 552         assert_se(r == -ERANGE);
 553
 554         r = safe_atoi64("-9223372036854775813", &l);
 555         assert_se(r == -ERANGE);
 556
 557         r = safe_atoi64("junk", &l);
 558         assert_se(r == -EINVAL);
 559
 560         r = safe_atoi64("123x", &l);
 561         assert_se(r == -EINVAL);
 562
 563         r = safe_atoi64("12.3", &l);
 564         assert_se(r == -EINVAL);
 565
 566         r = safe_atoi64("", &l);
 567         assert_se(r == -EINVAL);
 568 }
 569
 570 static void test_safe_atod(void) {
 571         int r;
 572         double d;
 573         char *e;
 574
 575         r = safe_atod("junk", &d);
 576         assert_se(r == -EINVAL);
 577
 578         r = safe_atod("0.2244", &d);
 579         assert_se(r == 0);
 580         assert_se(fabs(d - 0.2244) < 0.000001);
 581
 582         r = safe_atod("0,5", &d);
 583         assert_se(r == -EINVAL);
 584
 585         errno = 0;
 586         strtod("0,5", &e);
 587         assert_se(*e == ',');
 588
 589         r = safe_atod("", &d);
 590         assert_se(r == -EINVAL);
 591
 592         /* Check if this really is locale independent */
 593         if (setlocale(LC_NUMERIC, "de_DE.utf8")) {
 594
 595                 r = safe_atod("0.2244", &d);
 596                 assert_se(r == 0);
 597                 assert_se(fabs(d - 0.2244) < 0.000001);
 598
 599                 r = safe_atod("0,5", &d);
 600                 assert_se(r == -EINVAL);
 601
 602                 errno = 0;
 603                 assert_se(fabs(strtod("0,5", &e) - 0.5) < 0.00001);
 604
 605                 r = safe_atod("", &d);
 606                 assert_se(r == -EINVAL);
 607         }
 608
 609         /* And check again, reset */
 610         assert_se(setlocale(LC_NUMERIC, "C"));
 611
 612         r = safe_atod("0.2244", &d);
 613         assert_se(r == 0);
 614         assert_se(fabs(d - 0.2244) < 0.000001);
 615
 616         r = safe_atod("0,5", &d);
 617         assert_se(r == -EINVAL);
 618
 619         errno = 0;
 620         strtod("0,5", &e);
 621         assert_se(*e == ',');
 622
 623         r = safe_atod("", &d);
 624         assert_se(r == -EINVAL);
 625 }
 626
 627 static void test_parse_percent(void) {
 628         assert_se(parse_percent("") == -EINVAL);
 629         assert_se(parse_percent("foo") == -EINVAL);
 630         assert_se(parse_percent("0") == -EINVAL);
 631         assert_se(parse_percent("50") == -EINVAL);
 632         assert_se(parse_percent("100") == -EINVAL);
 633         assert_se(parse_percent("-1") == -EINVAL);
 634         assert_se(parse_percent("0%") == 0);
 635         assert_se(parse_percent("55%") == 55);
 636         assert_se(parse_percent("100%") == 100);
 637         assert_se(parse_percent("-7%") == -ERANGE);
 638         assert_se(parse_percent("107%") == -ERANGE);
 639         assert_se(parse_percent("%") == -EINVAL);
 640         assert_se(parse_percent("%%") == -EINVAL);
 641         assert_se(parse_percent("%1") == -EINVAL);
 642         assert_se(parse_percent("1%%") == -EINVAL);
 643         assert_se(parse_percent("3.2%") == -EINVAL);
 644 }
 645
 646 static void test_parse_percent_unbounded(void) {
 647         assert_se(parse_percent_unbounded("101%") == 101);
 648         assert_se(parse_percent_unbounded("400%") == 400);
 649 }
 650
 651 static void test_parse_nice(void) {
 652         int n;
 653
 654         assert_se(parse_nice("0", &n) >= 0 && n == 0);
 655         assert_se(parse_nice("+0", &n) >= 0 && n == 0);
 656         assert_se(parse_nice("-1", &n) >= 0 && n == -1);
 657         assert_se(parse_nice("-2", &n) >= 0 && n == -2);
 658         assert_se(parse_nice("1", &n) >= 0 && n == 1);
 659         assert_se(parse_nice("2", &n) >= 0 && n == 2);
 660         assert_se(parse_nice("+1", &n) >= 0 && n == 1);
 661         assert_se(parse_nice("+2", &n) >= 0 && n == 2);
 662         assert_se(parse_nice("-20", &n) >= 0 && n == -20);
 663         assert_se(parse_nice("19", &n) >= 0 && n == 19);
 664         assert_se(parse_nice("+19", &n) >= 0 && n == 19);
 665
 666         assert_se(parse_nice("", &n) == -EINVAL);
 667         assert_se(parse_nice("-", &n) == -EINVAL);
 668         assert_se(parse_nice("+", &n) == -EINVAL);
 669         assert_se(parse_nice("xx", &n) == -EINVAL);
 670         assert_se(parse_nice("-50", &n) == -ERANGE);
 671         assert_se(parse_nice("50", &n) == -ERANGE);
 672         assert_se(parse_nice("+50", &n) == -ERANGE);
 673         assert_se(parse_nice("-21", &n) == -ERANGE);
 674         assert_se(parse_nice("20", &n) == -ERANGE);
 675         assert_se(parse_nice("+20", &n) == -ERANGE);
 676 }
 677
 678 static void test_parse_dev(void) {
 679         dev_t dev;
 680
 681         assert_se(parse_dev("", &dev) == -EINVAL);
 682         assert_se(parse_dev("junk", &dev) == -EINVAL);
 683         assert_se(parse_dev("0", &dev) == -EINVAL);
 684         assert_se(parse_dev("5", &dev) == -EINVAL);
 685         assert_se(parse_dev("5:", &dev) == -EINVAL);
 686         assert_se(parse_dev(":5", &dev) == -EINVAL);
 687 #if SIZEOF_DEV_T < 8
 688         assert_se(parse_dev("4294967295:4294967295", &dev) == -EINVAL);
 689 #endif
 690         assert_se(parse_dev("8:11", &dev) >= 0 && major(dev) == 8 && minor(dev) == 11);
 691 }
 692
 693 static void test_parse_errno(void) {
 694         assert_se(parse_errno("EILSEQ") == EILSEQ);
 695         assert_se(parse_errno("EINVAL") == EINVAL);
 696         assert_se(parse_errno("0") == 0);
 697         assert_se(parse_errno("1") == 1);
 698         assert_se(parse_errno("4095") == 4095);
 699
 700         assert_se(parse_errno("-1") == -ERANGE);
 701         assert_se(parse_errno("-3") == -ERANGE);
 702         assert_se(parse_errno("4096") == -ERANGE);
 703
 704         assert_se(parse_errno("") == -EINVAL);
 705         assert_se(parse_errno("12.3") == -EINVAL);
 706         assert_se(parse_errno("123junk") == -EINVAL);
 707         assert_se(parse_errno("junk123") == -EINVAL);
 708         assert_se(parse_errno("255EILSEQ") == -EINVAL);
 709         assert_se(parse_errno("EINVAL12") == -EINVAL);
 710         assert_se(parse_errno("-EINVAL") == -EINVAL);
 711         assert_se(parse_errno("EINVALaaa") == -EINVAL);
 712 }
 713
 714 static void test_parse_syscall_and_errno(void) {
 715         _cleanup_free_ char *n = NULL;
 716         int e;
 717
 718         assert_se(parse_syscall_and_errno("uname:EILSEQ", &n, &e) >= 0);
 719         assert_se(streq(n, "uname"));
 720         assert_se(e == errno_from_name("EILSEQ") && e >= 0);
 721         n = mfree(n);
 722
 723         assert_se(parse_syscall_and_errno("uname:EINVAL", &n, &e) >= 0);
 724         assert_se(streq(n, "uname"));
 725         assert_se(e == errno_from_name("EINVAL") && e >= 0);
 726         n = mfree(n);
 727
 728         assert_se(parse_syscall_and_errno("@sync:4095", &n, &e) >= 0);
 729         assert_se(streq(n, "@sync"));
 730         assert_se(e == 4095);
 731         n = mfree(n);
 732
 733         /* If errno is omitted, then e is set to -1 */
 734         assert_se(parse_syscall_and_errno("mount", &n, &e) >= 0);
 735         assert_se(streq(n, "mount"));
 736         assert_se(e == -1);
 737         n = mfree(n);
 738
 739         /* parse_syscall_and_errno() does not check the syscall name is valid or not. */
 740         assert_se(parse_syscall_and_errno("hoge:255", &n, &e) >= 0);
 741         assert_se(streq(n, "hoge"));
 742         assert_se(e == 255);
 743         n = mfree(n);
 744
 745         /* The function checks the syscall name is empty or not. */
 746         assert_se(parse_syscall_and_errno("", &n, &e) == -EINVAL);
 747         assert_se(parse_syscall_and_errno(":255", &n, &e) == -EINVAL);
 748
 749         /* errno must be a valid errno name or number between 0 and ERRNO_MAX == 4095 */
 750         assert_se(parse_syscall_and_errno("hoge:4096", &n, &e) == -ERANGE);
 751         assert_se(parse_syscall_and_errno("hoge:-3", &n, &e) == -ERANGE);
 752         assert_se(parse_syscall_and_errno("hoge:12.3", &n, &e) == -EINVAL);
 753         assert_se(parse_syscall_and_errno("hoge:123junk", &n, &e) == -EINVAL);
 754         assert_se(parse_syscall_and_errno("hoge:junk123", &n, &e) == -EINVAL);
 755         assert_se(parse_syscall_and_errno("hoge:255:EILSEQ", &n, &e) == -EINVAL);
 756         assert_se(parse_syscall_and_errno("hoge:-EINVAL", &n, &e) == -EINVAL);
 757         assert_se(parse_syscall_and_errno("hoge:EINVALaaa", &n, &e) == -EINVAL);
 758         assert_se(parse_syscall_and_errno("hoge:", &n, &e) == -EINVAL);
 759 }
 760
 761 static void test_parse_mtu(void) {
 762         uint32_t mtu = 0;
 763
 764         assert_se(parse_mtu(AF_UNSPEC, "1500", &mtu) >= 0 && mtu == 1500);
 765         assert_se(parse_mtu(AF_UNSPEC, "1400", &mtu) >= 0 && mtu == 1400);
 766         assert_se(parse_mtu(AF_UNSPEC, "65535", &mtu) >= 0 && mtu == 65535);
 767         assert_se(parse_mtu(AF_UNSPEC, "65536", &mtu) >= 0 && mtu == 65536);
 768         assert_se(parse_mtu(AF_UNSPEC, "4294967295", &mtu) >= 0 && mtu == 4294967295);
 769         assert_se(parse_mtu(AF_UNSPEC, "500", &mtu) >= 0 && mtu == 500);
 770         assert_se(parse_mtu(AF_UNSPEC, "1280", &mtu) >= 0 && mtu == 1280);
 771         assert_se(parse_mtu(AF_INET6, "1280", &mtu) >= 0 && mtu == 1280);
 772         assert_se(parse_mtu(AF_INET6, "1279", &mtu) == -ERANGE);
 773         assert_se(parse_mtu(AF_UNSPEC, "4294967296", &mtu) == -ERANGE);
 774         assert_se(parse_mtu(AF_INET6, "4294967296", &mtu) == -ERANGE);
 775         assert_se(parse_mtu(AF_INET6, "68", &mtu) == -ERANGE);
 776         assert_se(parse_mtu(AF_UNSPEC, "68", &mtu) >= 0 && mtu == 68);
 777         assert_se(parse_mtu(AF_UNSPEC, "67", &mtu) == -ERANGE);
 778         assert_se(parse_mtu(AF_UNSPEC, "0", &mtu) == -ERANGE);
 779         assert_se(parse_mtu(AF_UNSPEC, "", &mtu) == -EINVAL);
 780 }
 781
 782 int main(int argc, char *argv[]) {
 783         log_parse_environment();
 784         log_open();
 785
 786         test_parse_boolean();
 787         test_parse_pid();
 788         test_parse_mode();
 789         test_parse_size();
 790         test_parse_range();
 791         test_safe_atolli();
 792         test_safe_atou16();
 793         test_safe_atoi16();
 794         test_safe_atoux16();
 795         test_safe_atou64();
 796         test_safe_atoi64();
 797         test_safe_atod();
 798         test_parse_percent();
 799         test_parse_percent_unbounded();
 800         test_parse_nice();
 801         test_parse_dev();
 802         test_parse_errno();
 803         test_parse_syscall_and_errno();
 804         test_parse_mtu();
 805
 806         return 0;
 807 }