summaryrefslogtreecommitdiff
path: root/test/unicode_ut.c
blob: 6130ef0b54975cf4440b05de559df452a3bb16d0 (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
// SPDX-License-Identifier: GPL-2.0+
/*
 * Unit tests for Unicode functions
 *
 * Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
 */

#include <common.h>
#include <charset.h>
#include <command.h>
#include <efi_loader.h>
#include <errno.h>
#include <log.h>
#include <malloc.h>
#include <test/test.h>
#include <test/suites.h>
#include <test/ut.h>

/* Linker list entry for a Unicode test */
#define UNICODE_TEST(_name) UNIT_TEST(_name, 0, unicode_test)

/* Constants c1-c4 and d1-d4 encode the same letters */

/* Six characters translating to one utf-8 byte each. */
static const u16 c1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
/* One character translating to two utf-8 bytes */
static const u16 c2[] = {0x6b, 0x61, 0x66, 0x62, 0xe1, 0x74, 0x75, 0x72, 0x00};
/* Three characters translating to three utf-8 bytes each */
static const u16 c3[] = {0x6f5c, 0x6c34, 0x8266, 0x00};
/* Three letters translating to four utf-8 bytes each */
static const u16 c4[] = {0xd801, 0xdc8d, 0xd801, 0xdc96, 0xd801, 0xdc87,
			 0x0000};

/* Illegal utf-16 strings */
static const u16 i1[] = {0x69, 0x31, 0xdc87, 0x6c, 0x00};
static const u16 i2[] = {0x69, 0x32, 0xd801, 0xd801, 0x6c, 0x00};
static const u16 i3[] = {0x69, 0x33, 0xd801, 0x00};

/* Six characters translating to one utf-16 word each. */
static const char d1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
/* Eight characters translating to one utf-16 word each */
static const char d2[] = {0x6b, 0x61, 0x66, 0x62, 0xc3, 0xa1, 0x74, 0x75,
			  0x72, 0x00};
/* Three characters translating to one utf-16 word each */
static const char d3[] = {0xe6, 0xbd, 0x9c, 0xe6, 0xb0, 0xb4, 0xe8, 0x89,
			  0xa6, 0x00};
/* Three letters translating to two utf-16 word each */
static const char d4[] = {0xf0, 0x90, 0x92, 0x8d, 0xf0, 0x90, 0x92, 0x96,
			  0xf0, 0x90, 0x92, 0x87, 0x00};

/* Illegal utf-8 strings */
static const char j1[] = {0x6a, 0x31, 0xa1, 0x6c, 0x00};
static const char j2[] = {0x6a, 0x32, 0xc3, 0xc3, 0x6c, 0x00};
static const char j3[] = {0x6a, 0x33, 0xf0, 0x90, 0xf0, 0x00};

static int unicode_test_u16_strlen(struct unit_test_state *uts)
{
	ut_asserteq(6, u16_strlen(c1));
	ut_asserteq(8, u16_strlen(c2));
	ut_asserteq(3, u16_strlen(c3));
	ut_asserteq(6, u16_strlen(c4));
	return 0;
}
UNICODE_TEST(unicode_test_u16_strlen);

static int unicode_test_u16_strdup(struct unit_test_state *uts)
{
	u16 *copy = u16_strdup(c4);

	ut_assert(copy != c4);
	ut_asserteq_mem(copy, c4, sizeof(c4));
	free(copy);

	return 0;
}
UNICODE_TEST(unicode_test_u16_strdup);

static int unicode_test_u16_strcpy(struct unit_test_state *uts)
{
	u16 *r;
	u16 copy[10];

	r = u16_strcpy(copy, c1);
	ut_assert(r == copy);
	ut_asserteq_mem(copy, c1, sizeof(c1));

	return 0;
}
UNICODE_TEST(unicode_test_u16_strcpy);

/* U-Boot uses UTF-16 strings in the EFI context only. */
#if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
static int unicode_test_string16(struct unit_test_state *uts)
{
	char buf[20];

	/* Test length and precision */
	memset(buf, 0xff, sizeof(buf));
	sprintf(buf, "%8.6ls", c2);
	ut_asserteq(' ', buf[1]);
	ut_assert(!strncmp(&buf[2], d2, 7));
	ut_assert(!buf[9]);

	memset(buf, 0xff, sizeof(buf));
	sprintf(buf, "%8.6ls", c4);
	ut_asserteq(' ', buf[4]);
	ut_assert(!strncmp(&buf[5], d4, 12));
	ut_assert(!buf[17]);

	memset(buf, 0xff, sizeof(buf));
	sprintf(buf, "%-8.2ls", c4);
	ut_asserteq(' ', buf[8]);
	ut_assert(!strncmp(buf, d4, 8));
	ut_assert(!buf[14]);

	/* Test handling of illegal utf-16 sequences */
	memset(buf, 0xff, sizeof(buf));
	sprintf(buf, "%ls", i1);
	ut_asserteq_str("i1?l", buf);

	memset(buf, 0xff, sizeof(buf));
	sprintf(buf, "%ls", i2);
	ut_asserteq_str("i2?l", buf);

	memset(buf, 0xff, sizeof(buf));
	sprintf(buf, "%ls", i3);
	ut_asserteq_str("i3?", buf);

	return 0;
}
UNICODE_TEST(unicode_test_string16);
#endif

static int unicode_test_utf8_get(struct unit_test_state *uts)
{
	const char *s;
	s32 code;
	int i;

	/* Check characters less than 0x800 */
	s = d2;
	for (i = 0; i < 8; ++i) {
		code = utf8_get((const char **)&s);
		/* c2 is the utf-8 encoding of d2 */
		ut_asserteq(c2[i], code);
		if (!code)
			break;
	}
	ut_asserteq_ptr(s, d2 + 9)

	/* Check characters less than 0x10000 */
	s = d3;
	for (i = 0; i < 4; ++i) {
		code = utf8_get((const char **)&s);
		/* c3 is the utf-8 encoding of d3 */
		ut_asserteq(c3[i], code);
		if (!code)
			break;
	}
	ut_asserteq_ptr(s, d3 + 9)

	/* Check character greater 0xffff */
	s = d4;
	code = utf8_get((const char **)&s);
	ut_asserteq(0x0001048d, code);
	ut_asserteq_ptr(s, d4 + 4);

	return 0;
}
UNICODE_TEST(unicode_test_utf8_get);

static int unicode_test_utf8_put(struct unit_test_state *uts)
{
	char buffer[8] = { 0, };
	char *pos;

	/* Commercial at, translates to one character */
	pos = buffer;
	ut_assert(!utf8_put('@', &pos))
	ut_asserteq(1, pos - buffer);
	ut_asserteq('@', buffer[0]);
	ut_assert(!buffer[1]);

	/* Latin letter G with acute, translates to two charactes */
	pos = buffer;
	ut_assert(!utf8_put(0x1f4, &pos));
	ut_asserteq(2, pos - buffer);
	ut_asserteq_str("\xc7\xb4", buffer);

	/* Tagalog letter i, translates to three characters */
	pos = buffer;
	ut_assert(!utf8_put(0x1701, &pos));
	ut_asserteq(3, pos - buffer);
	ut_asserteq_str("\xe1\x9c\x81", buffer);

	/* Hamster face, translates to four characters */
	pos = buffer;
	ut_assert(!utf8_put(0x1f439, &pos));
	ut_asserteq(4, pos - buffer);
	ut_asserteq_str("\xf0\x9f\x90\xb9", buffer);

	/* Illegal code */
	pos = buffer;
	ut_asserteq(-1, utf8_put(0xd888, &pos));

	return 0;
}
UNICODE_TEST(unicode_test_utf8_put);

static int unicode_test_utf8_utf16_strlen(struct unit_test_state *uts)
{
	ut_asserteq(6, utf8_utf16_strlen(d1));
	ut_asserteq(8, utf8_utf16_strlen(d2));
	ut_asserteq(3, utf8_utf16_strlen(d3));
	ut_asserteq(6, utf8_utf16_strlen(d4));

	/* illegal utf-8 sequences */
	ut_asserteq(4, utf8_utf16_strlen(j1));
	ut_asserteq(4, utf8_utf16_strlen(j2));
	ut_asserteq(3, utf8_utf16_strlen(j3));

	return 0;
}
UNICODE_TEST(unicode_test_utf8_utf16_strlen);

static int unicode_test_utf8_utf16_strnlen(struct unit_test_state *uts)
{
	ut_asserteq(3, utf8_utf16_strnlen(d1, 3));
	ut_asserteq(6, utf8_utf16_strnlen(d1, 13));
	ut_asserteq(6, utf8_utf16_strnlen(d2, 6));
	ut_asserteq(2, utf8_utf16_strnlen(d3, 2));
	ut_asserteq(4, utf8_utf16_strnlen(d4, 2));
	ut_asserteq(6, utf8_utf16_strnlen(d4, 3));

	/* illegal utf-8 sequences */
	ut_asserteq(4, utf8_utf16_strnlen(j1, 16));
	ut_asserteq(4, utf8_utf16_strnlen(j2, 16));
	ut_asserteq(3, utf8_utf16_strnlen(j3, 16));

	return 0;
}
UNICODE_TEST(unicode_test_utf8_utf16_strnlen);

/**
 * ut_u16_strcmp() - Compare to u16 strings.
 *
 * @a1:		first string
 * @a2:		second string
 * @count:	number of u16 to compare
 * Return:	-1 if a1 < a2, 0 if a1 == a2, 1 if a1 > a2
 */
static int unicode_test_u16_strcmp(const u16 *a1, const u16 *a2, size_t count)
{
	for (; (*a1 || *a2) && count; ++a1, ++a2, --count) {
		if (*a1 < *a2)
			return -1;
		if (*a1 > *a2)
			return 1;
	}
	return 0;
}

static int unicode_test_utf8_utf16_strcpy(struct unit_test_state *uts)
{
	u16 buf[16];
	u16 *pos;

	pos = buf;
	utf8_utf16_strcpy(&pos, d1);
	ut_asserteq(6, pos - buf);
	ut_assert(!unicode_test_u16_strcmp(buf, c1, SIZE_MAX));

	pos = buf;
	utf8_utf16_strcpy(&pos, d2);
	ut_asserteq(8, pos - buf);
	ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));

	pos = buf;
	utf8_utf16_strcpy(&pos, d3);
	ut_asserteq(3, pos - buf);
	ut_assert(!unicode_test_u16_strcmp(buf, c3, SIZE_MAX));

	pos = buf;
	utf8_utf16_strcpy(&pos, d4);
	ut_asserteq(6, pos - buf);
	ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));

	/* Illegal utf-8 strings */
	pos = buf;
	utf8_utf16_strcpy(&pos, j1);
	ut_asserteq(4, pos - buf);
	ut_assert(!unicode_test_u16_strcmp(buf, L"j1?l", SIZE_MAX));

	pos = buf;
	utf8_utf16_strcpy(&pos, j2);
	ut_asserteq(4, pos - buf);
	ut_assert(!unicode_test_u16_strcmp(buf, L"j2?l", SIZE_MAX));

	pos = buf;
	utf8_utf16_strcpy(&pos, j3);
	ut_asserteq(3, pos - buf);
	ut_assert(!unicode_test_u16_strcmp(buf, L"j3?", SIZE_MAX));

	return 0;
}
UNICODE_TEST(unicode_test_utf8_utf16_strcpy);

static int unicode_test_utf8_utf16_strncpy(struct unit_test_state *uts)
{
	u16 buf[16];
	u16 *pos;

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf8_utf16_strncpy(&pos, d1, 4);
	ut_asserteq(4, pos - buf);
	ut_assert(!buf[4]);
	ut_assert(!unicode_test_u16_strcmp(buf, c1, 4));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf8_utf16_strncpy(&pos, d2, 10);
	ut_asserteq(8, pos - buf);
	ut_assert(buf[4]);
	ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf8_utf16_strncpy(&pos, d3, 2);
	ut_asserteq(2, pos - buf);
	ut_assert(!buf[2]);
	ut_assert(!unicode_test_u16_strcmp(buf, c3, 2));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf8_utf16_strncpy(&pos, d4, 2);
	ut_asserteq(4, pos - buf);
	ut_assert(!buf[4]);
	ut_assert(!unicode_test_u16_strcmp(buf, c4, 4));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf8_utf16_strncpy(&pos, d4, 10);
	ut_asserteq(6, pos - buf);
	ut_assert(buf[5]);
	ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));

	return 0;
}
UNICODE_TEST(unicode_test_utf8_utf16_strncpy);

static int unicode_test_utf16_get(struct unit_test_state *uts)
{
	const u16 *s;
	s32 code;
	int i;

	/* Check characters less than 0x10000 */
	s = c2;
	for (i = 0; i < 9; ++i) {
		code = utf16_get((const u16 **)&s);
		ut_asserteq(c2[i], code);
		if (!code)
			break;
	}
	ut_asserteq_ptr(c2 + 8, s);

	/* Check character greater 0xffff */
	s = c4;
	code = utf16_get((const u16 **)&s);
	ut_asserteq(0x0001048d, code);
	ut_asserteq_ptr(c4 + 2, s);

	return 0;
}
UNICODE_TEST(unicode_test_utf16_get);

static int unicode_test_utf16_put(struct unit_test_state *uts)
{
	u16 buffer[4] = { 0, };
	u16 *pos;

	/* Commercial at, translates to one word */
	pos = buffer;
	ut_assert(!utf16_put('@', &pos));
	ut_asserteq(1, pos - buffer);
	ut_asserteq((u16)'@', buffer[0]);
	ut_assert(!buffer[1]);

	/* Hamster face, translates to two words */
	pos = buffer;
	ut_assert(!utf16_put(0x1f439, &pos));
	ut_asserteq(2, pos - buffer);
	ut_asserteq((u16)0xd83d, buffer[0]);
	ut_asserteq((u16)0xdc39, buffer[1]);
	ut_assert(!buffer[2]);

	/* Illegal code */
	pos = buffer;
	ut_asserteq(-1, utf16_put(0xd888, &pos));

	return 0;
}
UNICODE_TEST(unicode_test_utf16_put);

static int unicode_test_utf16_strnlen(struct unit_test_state *uts)
{
	ut_asserteq(3, utf16_strnlen(c1, 3));
	ut_asserteq(6, utf16_strnlen(c1, 13));
	ut_asserteq(6, utf16_strnlen(c2, 6));
	ut_asserteq(2, utf16_strnlen(c3, 2));
	ut_asserteq(2, utf16_strnlen(c4, 2));
	ut_asserteq(3, utf16_strnlen(c4, 3));

	/* illegal utf-16 word sequences */
	ut_asserteq(4, utf16_strnlen(i1, 16));
	ut_asserteq(4, utf16_strnlen(i2, 16));
	ut_asserteq(3, utf16_strnlen(i3, 16));

	return 0;
}
UNICODE_TEST(unicode_test_utf16_strnlen);

static int unicode_test_utf16_utf8_strlen(struct unit_test_state *uts)
{
	ut_asserteq(6, utf16_utf8_strlen(c1));
	ut_asserteq(9, utf16_utf8_strlen(c2));
	ut_asserteq(9, utf16_utf8_strlen(c3));
	ut_asserteq(12, utf16_utf8_strlen(c4));

	/* illegal utf-16 word sequences */
	ut_asserteq(4, utf16_utf8_strlen(i1));
	ut_asserteq(4, utf16_utf8_strlen(i2));
	ut_asserteq(3, utf16_utf8_strlen(i3));

	return 0;
}
UNICODE_TEST(unicode_test_utf16_utf8_strlen);

static int unicode_test_utf16_utf8_strnlen(struct unit_test_state *uts)
{
	ut_asserteq(3, utf16_utf8_strnlen(c1, 3));
	ut_asserteq(6, utf16_utf8_strnlen(c1, 13));
	ut_asserteq(7, utf16_utf8_strnlen(c2, 6));
	ut_asserteq(6, utf16_utf8_strnlen(c3, 2));
	ut_asserteq(8, utf16_utf8_strnlen(c4, 2));
	ut_asserteq(12, utf16_utf8_strnlen(c4, 3));
	return 0;
}
UNICODE_TEST(unicode_test_utf16_utf8_strnlen);

static int unicode_test_utf16_utf8_strcpy(struct unit_test_state *uts)
{
	char buf[16];
	char *pos;

	pos = buf;
	utf16_utf8_strcpy(&pos, c1);
	ut_asserteq(6, pos - buf);
	ut_asserteq_str(d1, buf);

	pos = buf;
	utf16_utf8_strcpy(&pos, c2);
	ut_asserteq(9, pos - buf);
	ut_asserteq_str(d2, buf);

	pos = buf;
	utf16_utf8_strcpy(&pos, c3);
	ut_asserteq(9, pos - buf);
	ut_asserteq_str(d3, buf);

	pos = buf;
	utf16_utf8_strcpy(&pos, c4);
	ut_asserteq(12, pos - buf);
	ut_asserteq_str(d4, buf);

	/* Illegal utf-16 strings */
	pos = buf;
	utf16_utf8_strcpy(&pos, i1);
	ut_asserteq(4, pos - buf);
	ut_asserteq_str("i1?l", buf);

	pos = buf;
	utf16_utf8_strcpy(&pos, i2);
	ut_asserteq(4, pos - buf);
	ut_asserteq_str("i2?l", buf);

	pos = buf;
	utf16_utf8_strcpy(&pos, i3);
	ut_asserteq(3, pos - buf);
	ut_asserteq_str("i3?", buf);

	return 0;
}
UNICODE_TEST(unicode_test_utf16_utf8_strcpy);

static int unicode_test_utf16_utf8_strncpy(struct unit_test_state *uts)
{
	char buf[16];
	char *pos;

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf16_utf8_strncpy(&pos, c1, 4);
	ut_asserteq(4, pos - buf);
	ut_assert(!buf[4]);
	ut_assert(!strncmp(buf, d1, 4));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf16_utf8_strncpy(&pos, c2, 10);
	ut_asserteq(9, pos - buf);
	ut_assert(buf[4]);
	ut_assert(!strncmp(buf, d2, SIZE_MAX));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf16_utf8_strncpy(&pos, c3, 2);
	ut_asserteq(6, pos - buf);
	ut_assert(!buf[6]);
	ut_assert(!strncmp(buf, d3, 6));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf16_utf8_strncpy(&pos, c4, 2);
	ut_asserteq(8, pos - buf);
	ut_assert(!buf[8]);
	ut_assert(!strncmp(buf, d4, 8));

	pos = buf;
	memset(buf, 0, sizeof(buf));
	utf16_utf8_strncpy(&pos, c4, 10);
	ut_asserteq(12, pos - buf);
	ut_assert(buf[5]);
	ut_assert(!strncmp(buf, d4, SIZE_MAX));

	return 0;
}
UNICODE_TEST(unicode_test_utf16_utf8_strncpy);

static int unicode_test_utf_to_lower(struct unit_test_state *uts)
{
	ut_asserteq('@', utf_to_lower('@'));
	ut_asserteq('a', utf_to_lower('A'));
	ut_asserteq('z', utf_to_lower('Z'));
	ut_asserteq('[', utf_to_lower('['));
	ut_asserteq('m', utf_to_lower('m'));
	/* Latin letter O with diaresis (umlaut) */
	ut_asserteq(0x00f6, utf_to_lower(0x00d6));
#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
	/* Cyrillic letter I*/
	ut_asserteq(0x0438, utf_to_lower(0x0418));
#endif
	return 0;
}
UNICODE_TEST(unicode_test_utf_to_lower);

static int unicode_test_utf_to_upper(struct unit_test_state *uts)
{
	ut_asserteq('`', utf_to_upper('`'));
	ut_asserteq('A', utf_to_upper('a'));
	ut_asserteq('Z', utf_to_upper('z'));
	ut_asserteq('{', utf_to_upper('{'));
	ut_asserteq('M', utf_to_upper('M'));
	/* Latin letter O with diaresis (umlaut) */
	ut_asserteq(0x00d6, utf_to_upper(0x00f6));
#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
	/* Cyrillic letter I */
	ut_asserteq(0x0418, utf_to_upper(0x0438));
#endif
	return 0;
}
UNICODE_TEST(unicode_test_utf_to_upper);

static int unicode_test_u16_strncmp(struct unit_test_state *uts)
{
	ut_assert(u16_strncmp(L"abc", L"abc", 3) == 0);
	ut_assert(u16_strncmp(L"abcdef", L"abcghi", 3) == 0);
	ut_assert(u16_strncmp(L"abcdef", L"abcghi", 6) < 0);
	ut_assert(u16_strncmp(L"abcghi", L"abcdef", 6) > 0);
	ut_assert(u16_strcmp(L"abc", L"abc") == 0);
	ut_assert(u16_strcmp(L"abcdef", L"deghi") < 0);
	ut_assert(u16_strcmp(L"deghi", L"abcdef") > 0);
	return 0;
}
UNICODE_TEST(unicode_test_u16_strncmp);

static int unicode_test_u16_strsize(struct unit_test_state *uts)
{
	ut_asserteq_64(u16_strsize(c1), 14);
	ut_asserteq_64(u16_strsize(c2), 18);
	ut_asserteq_64(u16_strsize(c3), 8);
	ut_asserteq_64(u16_strsize(c4), 14);
	return 0;
}
UNICODE_TEST(unicode_test_u16_strsize);

#ifdef CONFIG_EFI_LOADER
static int unicode_test_efi_create_indexed_name(struct unit_test_state *uts)
{
	u16 buf[16];
	u16 const expected[] = L"Capsule0AF9";
	u16 *pos;

	memset(buf, 0xeb, sizeof(buf));
	pos = efi_create_indexed_name(buf, sizeof(buf), "Capsule", 0x0af9);

	ut_asserteq_mem(expected, buf, sizeof(expected));
	ut_asserteq(pos - buf, u16_strnlen(buf, SIZE_MAX));

	return 0;
}
UNICODE_TEST(unicode_test_efi_create_indexed_name);
#endif

int do_ut_unicode(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	struct unit_test *tests = ll_entry_start(struct unit_test, unicode_test);
	const int n_ents = ll_entry_count(struct unit_test, unicode_test);

	return cmd_ut_category("Unicode", "unicode_test_",
			       tests, n_ents, argc, argv);
}