summaryrefslogtreecommitdiffstats
path: root/src/test/test-extract-word.c
blob: 6e12fbe2c635a8efb7a5167929c4fb63a2753e82 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <errno.h>
#include <stdlib.h>

#include "extract-word.h"
#include "log.h"
#include "string-util.h"
#include "tests.h"

TEST(extract_first_word) {
        const char *p, *original;
        char *t;

        p = original = "foobar waldo";
        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "foobar"));
        free(t);
        assert_se(p == original + 7);

        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "waldo"));
        free(t);
        assert_se(isempty(p));

        assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
        assert_se(!t);
        assert_se(isempty(p));

        p = original = "\"foobar\" \'waldo\'";
        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "\"foobar\""));
        free(t);
        assert_se(p == original + 9);

        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "\'waldo\'"));
        free(t);
        assert_se(isempty(p));

        assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
        assert_se(!t);
        assert_se(isempty(p));

        p = original = "\"foobar\" \'waldo\'";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "foobar"));
        free(t);
        assert_se(p == original + 9);

        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "waldo"));
        free(t);
        assert_se(isempty(p));

        assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
        assert_se(!t);
        assert_se(isempty(p));

        p = original = "\"";
        assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
        assert_se(streq(t, "\""));
        free(t);
        assert_se(isempty(p));

        p = original = "\"";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) == -EINVAL);
        assert_se(p == original + 1);

        p = original = "\'";
        assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
        assert_se(streq(t, "\'"));
        free(t);
        assert_se(isempty(p));

        p = original = "\'";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) == -EINVAL);
        assert_se(p == original + 1);

        p = original = "\'fooo";
        assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
        assert_se(streq(t, "\'fooo"));
        free(t);
        assert_se(isempty(p));

        p = original = "KEY=val \"KEY2=val with space\" \"KEY3=val with \\\"quotation\\\"\"";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) == 1);
        assert_se(streq(t, "KEY=val"));
        free(t);
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) == 1);
        assert_se(streq(t, "KEY2=val with space"));
        free(t);
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) == 1);
        assert_se(streq(t, "KEY3=val with \"quotation\""));
        free(t);
        assert_se(isempty(p));

        p = original = "KEY=val \"KEY2=val space\" \"KEY3=val with \\\"quotation\\\"\"";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RETAIN_ESCAPE) == 1);
        assert_se(streq(t, "KEY=val"));
        free(t);
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RETAIN_ESCAPE) == 1);
        assert_se(streq(t, "\"KEY2=val"));
        free(t);
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RETAIN_ESCAPE) == 1);
        assert_se(streq(t, "space\""));
        free(t);
        assert_se(startswith(p, "\"KEY3="));

        p = original = "\'fooo";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) == -EINVAL);
        assert_se(p == original + 5);

        p = original = "\'fooo";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_RELAX) > 0);
        assert_se(streq(t, "fooo"));
        free(t);
        assert_se(isempty(p));

        p = original = "\"fooo";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_RELAX) > 0);
        assert_se(streq(t, "fooo"));
        free(t);
        assert_se(isempty(p));

        p = original = "yay\'foo\'bar";
        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "yay\'foo\'bar"));
        free(t);
        assert_se(isempty(p));

        p = original = "yay\'foo\'bar";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "yayfoobar"));
        free(t);
        assert_se(isempty(p));

        p = original = "   foobar   ";
        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "foobar"));
        free(t);
        assert_se(isempty(p));

        p = original = " foo\\ba\\x6ar ";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
        assert_se(streq(t, "foo\ba\x6ar"));
        free(t);
        assert_se(isempty(p));

        p = original = " foo\\ba\\x6ar ";
        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "foobax6ar"));
        free(t);
        assert_se(isempty(p));

        p = original = "    f\\u00f6o \"pi\\U0001F4A9le\"   ";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
        assert_se(streq(t, "föo"));
        free(t);
        assert_se(p == original + 13);

        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE) > 0);
        assert_se(streq(t, "pi\360\237\222\251le"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
        assert_se(streq(t, "fooo"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNESCAPE_RELAX) > 0);
        assert_se(streq(t, "fooo\\"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNESCAPE_RELAX|EXTRACT_RELAX) > 0);
        assert_se(streq(t, "fooo\\"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_RELAX) > 0);
        assert_se(streq(t, "fooo\\"));
        free(t);
        assert_se(isempty(p));

        p = original = "\"foo\\";
        assert_se(extract_first_word(&p, &t, NULL, 0) == -EINVAL);
        assert_se(p == original + 5);

        p = original = "\"foo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_RELAX) > 0);
        assert_se(streq(t, "foo"));
        free(t);
        assert_se(isempty(p));

        p = original = "foo::bar";
        assert_se(extract_first_word(&p, &t, ":", 0) == 1);
        assert_se(streq(t, "foo"));
        free(t);
        assert_se(p == original + 5);

        assert_se(extract_first_word(&p, &t, ":", 0) == 1);
        assert_se(streq(t, "bar"));
        free(t);
        assert_se(isempty(p));

        assert_se(extract_first_word(&p, &t, ":", 0) == 0);
        assert_se(!t);
        assert_se(isempty(p));

        p = original = "foo\\:bar::waldo";
        assert_se(extract_first_word(&p, &t, ":", 0) == 1);
        assert_se(streq(t, "foo:bar"));
        free(t);
        assert_se(p == original + 10);

        assert_se(extract_first_word(&p, &t, ":", 0) == 1);
        assert_se(streq(t, "waldo"));
        free(t);
        assert_se(isempty(p));

        assert_se(extract_first_word(&p, &t, ":", 0) == 0);
        assert_se(!t);
        assert_se(isempty(p));

        p = original = "\"foo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_UNESCAPE_RELAX) == -EINVAL);
        assert_se(p == original + 5);

        p = original = "\"foo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_UNESCAPE_RELAX|EXTRACT_RELAX) > 0);
        assert_se(streq(t, "foo\\"));
        free(t);
        assert_se(isempty(p));

        p = original = "\"foo\\";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_RELAX|EXTRACT_RELAX) > 0);
        assert_se(streq(t, "foo\\"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
        assert_se(streq(t, "fooo bar"));
        free(t);
        assert_se(p == original + 10);

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNESCAPE_RELAX) > 0);
        assert_se(streq(t, "fooo bar"));
        free(t);
        assert_se(p == original + 10);

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNESCAPE_RELAX|EXTRACT_RELAX) > 0);
        assert_se(streq(t, "fooo bar"));
        free(t);
        assert_se(p == original + 10);

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
        assert_se(p == original + 5);

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_RELAX) > 0);
        assert_se(streq(t, "fooo\\ bar"));
        free(t);
        assert_se(p == original + 10);

        p = original = "\\w+@\\K[\\d.]+";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
        assert_se(p == original + 1);

        p = original = "\\w+@\\K[\\d.]+";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_RELAX) > 0);
        assert_se(streq(t, "\\w+@\\K[\\d.]+"));
        free(t);
        assert_se(isempty(p));

        p = original = "\\w+\\b";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_RELAX) > 0);
        assert_se(streq(t, "\\w+\b"));
        free(t);
        assert_se(isempty(p));

        p = original = "-N ''";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "-N"));
        free(t);
        assert_se(p == original + 3);

        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, ""));
        free(t);
        assert_se(isempty(p));

        p = original = ":foo\\:bar::waldo:";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
        assert_se(t);
        assert_se(streq(t, ""));
        free(t);
        assert_se(p == original + 1);

        assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
        assert_se(streq(t, "foo:bar"));
        free(t);
        assert_se(p == original + 10);

        assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
        assert_se(t);
        assert_se(streq(t, ""));
        free(t);
        assert_se(p == original + 11);

        assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
        assert_se(streq(t, "waldo"));
        free(t);
        assert_se(p == original + 17);

        assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
        assert_se(streq(t, ""));
        free(t);
        assert_se(p == NULL);

        assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 0);
        assert_se(!t);
        assert_se(!p);

        p = "foo\\xbar";
        assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
        assert_se(streq(t, "fooxbar"));
        free(t);
        assert_se(p == NULL);

        p = "foo\\xbar";
        assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RETAIN_ESCAPE) > 0);
        assert_se(streq(t, "foo\\xbar"));
        free(t);
        assert_se(p == NULL);

        p = "\\:";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, ":"));
        free(t);
        assert_se(p == NULL);

        p = "a\\:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a:b"));
        free(t);
        assert_se(p == NULL);

        p = "a\\ b:c";
        assert_se(extract_first_word(&p, &t, WHITESPACE ":", EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a b"));
        free(t);
        assert_se(extract_first_word(&p, &t, WHITESPACE ":", EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "c"));
        free(t);
        assert_se(p == NULL);

        p = "a\\ b:c\\x";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_UNESCAPE_SEPARATORS) == -EINVAL);

        p = "a\\\\ b:c\\\\x";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a\\ b"));
        free(t);
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "c\\x"));
        free(t);
        assert_se(p == NULL);

        p = "\\:";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, ":"));
        free(t);
        assert_se(p == NULL);

        p = "a\\:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a:b"));
        free(t);
        assert_se(p == NULL);

        p = "a\\ b:c";
        assert_se(extract_first_word(&p, &t, WHITESPACE ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a b"));
        free(t);
        assert_se(extract_first_word(&p, &t, WHITESPACE ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "c"));
        free(t);
        assert_se(p == NULL);

        p = "a\\ b:c\\x";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS) == -EINVAL);

        p = "a\\\\ b:c\\\\x";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a\\ b"));
        free(t);
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "c\\x"));
        free(t);
        assert_se(p == NULL);

        p = "\\:";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE) == -EINVAL);

        p = "a\\:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE) == -EINVAL);
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_CUNESCAPE) == 1);
        assert_se(streq(t, "b"));
        free(t);

        p = "a\\ b:c";
        assert_se(extract_first_word(&p, &t, WHITESPACE ":", EXTRACT_CUNESCAPE) == -EINVAL);
        assert_se(extract_first_word(&p, &t, WHITESPACE ":", EXTRACT_CUNESCAPE) == 1);
        assert_se(streq(t, "b"));
        free(t);
        assert_se(extract_first_word(&p, &t, WHITESPACE ":", EXTRACT_CUNESCAPE) == 1);
        assert_se(streq(t, "c"));
        free(t);
        assert_se(p == NULL);

        p = original = "foobar=\"waldo\"maldo, baldo";
        assert_se(extract_first_word(&p, &t, "=\", ", 0) > 0);
        assert_se(streq(t, "foobar"));
        free(t);
        assert_se(extract_first_word(&p, &t, "=\", ", 0) > 0);
        assert_se(streq(t, "waldo"));
        free(t);
        assert_se(extract_first_word(&p, &t, "=\", ", 0) > 0);
        assert_se(streq(t, "maldo"));
        free(t);
        assert_se(extract_first_word(&p, &t, "=\", ", 0) > 0);
        assert_se(streq(t, "baldo"));
        free(t);

        p = original = "mode=\"1777\",size=\"10%\",nr_inodes=\"400\"k,uid=\"496,,107\"520,gi\"\"'d=49610,'\"\"7520,context=\"system_u:object_r:svirt_sandbox_file_t:s0:c0,c1\"";
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_KEEP_QUOTE) > 0);
        assert_se(streq(t, "mode=\"1777\""));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_KEEP_QUOTE) > 0);
        assert_se(streq(t, "size=\"10%\""));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_KEEP_QUOTE) > 0);
        assert_se(streq(t, "nr_inodes=\"400\"k"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_KEEP_QUOTE) > 0);
        assert_se(streq(t, "uid=\"496,,107\"520"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_KEEP_QUOTE) > 0);
        assert_se(streq(t, "gi\"\"'d=49610,'\"\"7520"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_KEEP_QUOTE) > 0);
        assert_se(streq(t, "context=\"system_u:object_r:svirt_sandbox_file_t:s0:c0,c1\""));
        free(t);

        p = original = "mode=\"1777\",size=\"10%\",nr_inodes=\"400\"k,uid=\"496,,107\"520,gi\"\"'d=49610,'\"\"7520,context=\"system_u:object_r:svirt_sandbox_file_t:s0:c0,c1\"";
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "mode=1777"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "size=10%"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "nr_inodes=400k"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "uid=496,,107520"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "gid=49610,7520"));
        free(t);
        assert_se(extract_first_word(&p, &t, ",", EXTRACT_UNQUOTE) > 0);
        assert_se(streq(t, "context=system_u:object_r:svirt_sandbox_file_t:s0:c0,c1"));
        free(t);

        p = "a:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_RETAIN_SEPARATORS) == 1);
        assert_se(streq(t, "a"));
        assert_se(streq(p, ":b"));
        free(t);
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_RETAIN_SEPARATORS) == 1);
        assert_se(streq(t, "b"));
        free(t);

        p = "a>:b";
        assert_se(extract_first_word(&p, &t, ">:", EXTRACT_RETAIN_SEPARATORS) == 1);
        assert_se(streq(t, "a"));
        assert_se(streq(p, ">:b"));
        free(t);
        assert_se(extract_first_word(&p, &t, ">:", EXTRACT_RETAIN_SEPARATORS) == 1);
        assert_se(streq(t, "b"));
        free(t);

        p = "a>:b";
        assert_se(extract_first_word(&p, &t, ">:", EXTRACT_RETAIN_SEPARATORS|EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
        assert_se(streq(t, "a"));
        assert_se(streq(p, ">:b"));
        free(t);
        assert_se(extract_first_word(&p, &t, ">:", EXTRACT_RETAIN_SEPARATORS|EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
        assert_se(streq(t, ""));
        assert_se(streq(p, ">:b"));
        free(t);

        p = "a\\:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_RETAIN_SEPARATORS|EXTRACT_RETAIN_ESCAPE) == 1);
        assert_se(streq(t, "a\\"));
        assert_se(streq(p, ":b"));
        free(t);

        p = "a\\:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_RETAIN_SEPARATORS) == 1);
        assert_se(streq(t, "a:b"));
        assert_se(!p);
        free(t);

        p = "a\\:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_RETAIN_SEPARATORS|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a:b"));
        assert_se(!p);
        free(t);

        p = "a\\:a:b";
        assert_se(extract_first_word(&p, &t, ":", EXTRACT_RETAIN_SEPARATORS|EXTRACT_UNESCAPE_SEPARATORS) == 1);
        assert_se(streq(t, "a:a"));
        assert_se(streq(p, ":b"));
        free(t);
}

TEST(extract_first_word_and_warn) {
        const char *p, *original;
        char *t;

        p = original = "foobar waldo";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "foobar"));
        free(t);
        assert_se(p == original + 7);

        assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "waldo"));
        free(t);
        assert_se(isempty(p));

        assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
        assert_se(!t);
        assert_se(isempty(p));

        p = original = "\"foobar\" \'waldo\'";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "foobar"));
        free(t);
        assert_se(p == original + 9);

        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "waldo"));
        free(t);
        assert_se(isempty(p));

        assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
        assert_se(!t);
        assert_se(isempty(p));

        p = original = "\"";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE, NULL, "fake", 1, original) == -EINVAL);
        assert_se(p == original + 1);

        p = original = "\'";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE, NULL, "fake", 1, original) == -EINVAL);
        assert_se(p == original + 1);

        p = original = "\'fooo";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE, NULL, "fake", 1, original) == -EINVAL);
        assert_se(p == original + 5);

        p = original = "\'fooo";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "fooo"));
        free(t);
        assert_se(isempty(p));

        p = original = " foo\\ba\\x6ar ";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "foo\ba\x6ar"));
        free(t);
        assert_se(isempty(p));

        p = original = " foo\\ba\\x6ar ";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "foobax6ar"));
        free(t);
        assert_se(isempty(p));

        p = original = "    f\\u00f6o \"pi\\U0001F4A9le\"   ";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "föo"));
        free(t);
        assert_se(p == original + 13);

        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "pi\360\237\222\251le"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "fooo"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "fooo\\"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "fooo\\"));
        free(t);
        assert_se(isempty(p));

        p = original = "\"foo\\";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE, NULL, "fake", 1, original) == -EINVAL);
        assert_se(p == original + 5);

        p = original = "\"foo\\";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "foo"));
        free(t);
        assert_se(isempty(p));

        p = original = "\"foo\\";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) == -EINVAL);
        assert_se(p == original + 5);

        p = original = "\"foo\\";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "foo"));
        free(t);
        assert_se(isempty(p));

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "fooo bar"));
        free(t);
        assert_se(p == original + 10);

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "fooo bar"));
        free(t);
        assert_se(p == original + 10);

        p = original = "fooo\\ bar quux";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "fooo\\ bar"));
        free(t);
        assert_se(p == original + 10);

        p = original = "\\w+@\\K[\\d.]+";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "\\w+@\\K[\\d.]+"));
        free(t);
        assert_se(isempty(p));

        p = original = "\\w+\\b";
        assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
        assert_se(streq(t, "\\w+\b"));
        free(t);
        assert_se(isempty(p));
}

TEST(extract_many_words) {
        const char *p, *original;
        char *a, *b, *c, *d, *e, *f;

        p = original = "foobar waldi piep";
        assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 3);
        assert_se(isempty(p));
        assert_se(streq_ptr(a, "foobar"));
        assert_se(streq_ptr(b, "waldi"));
        assert_se(streq_ptr(c, "piep"));
        free(a);
        free(b);
        free(c);

        p = original = "foobar:waldi:piep ba1:ba2";
        assert_se(extract_many_words(&p, ":" WHITESPACE, 0, &a, &b, &c, NULL) == 3);
        assert_se(!isempty(p));
        assert_se(streq_ptr(a, "foobar"));
        assert_se(streq_ptr(b, "waldi"));
        assert_se(streq_ptr(c, "piep"));
        assert_se(extract_many_words(&p, ":" WHITESPACE, 0, &d, &e, &f, NULL) == 2);
        assert_se(isempty(p));
        assert_se(streq_ptr(d, "ba1"));
        assert_se(streq_ptr(e, "ba2"));
        assert_se(isempty(f));
        free(a);
        free(b);
        free(c);
        free(d);
        free(e);
        free(f);

        p = original = "'foobar' wa\"ld\"i   ";
        assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 2);
        assert_se(isempty(p));
        assert_se(streq_ptr(a, "'foobar'"));
        assert_se(streq_ptr(b, "wa\"ld\"i"));
        assert_se(streq_ptr(c, NULL));
        free(a);
        free(b);

        p = original = "'foobar' wa\"ld\"i   ";
        assert_se(extract_many_words(&p, NULL, EXTRACT_UNQUOTE, &a, &b, &c, NULL) == 2);
        assert_se(isempty(p));
        assert_se(streq_ptr(a, "foobar"));
        assert_se(streq_ptr(b, "waldi"));
        assert_se(streq_ptr(c, NULL));
        free(a);
        free(b);

        p = original = "";
        assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
        assert_se(isempty(p));
        assert_se(streq_ptr(a, NULL));
        assert_se(streq_ptr(b, NULL));
        assert_se(streq_ptr(c, NULL));

        p = original = "  ";
        assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
        assert_se(isempty(p));
        assert_se(streq_ptr(a, NULL));
        assert_se(streq_ptr(b, NULL));
        assert_se(streq_ptr(c, NULL));

        p = original = "foobar";
        assert_se(extract_many_words(&p, NULL, 0, NULL) == 0);
        assert_se(p == original);

        p = original = "foobar waldi";
        assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
        assert_se(p == original+7);
        assert_se(streq_ptr(a, "foobar"));
        free(a);

        p = original = "     foobar    ";
        assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
        assert_se(isempty(p));
        assert_se(streq_ptr(a, "foobar"));
        free(a);
}

DEFINE_TEST_MAIN(LOG_INFO);