1 // SPDX-License-Identifier: GPL-2.0+
3 * Unit tests for Unicode functions
5 * Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
11 #include <efi_loader.h>
15 #include <test/test.h>
16 #include <test/suites.h>
19 /* Linker list entry for a Unicode test */
20 #define UNICODE_TEST(_name) UNIT_TEST(_name, 0, unicode_test)
22 /* Constants c1-c4 and d1-d4 encode the same letters */
24 /* Six characters translating to one utf-8 byte each. */
25 static const u16 c1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
26 /* One character translating to two utf-8 bytes */
27 static const u16 c2[] = {0x6b, 0x61, 0x66, 0x62, 0xe1, 0x74, 0x75, 0x72, 0x00};
28 /* Three characters translating to three utf-8 bytes each */
29 static const u16 c3[] = {0x6f5c, 0x6c34, 0x8266, 0x00};
30 /* Three letters translating to four utf-8 bytes each */
31 static const u16 c4[] = {0xd801, 0xdc8d, 0xd801, 0xdc96, 0xd801, 0xdc87,
34 /* Illegal utf-16 strings */
35 static const u16 i1[] = {0x69, 0x31, 0xdc87, 0x6c, 0x00};
36 static const u16 i2[] = {0x69, 0x32, 0xd801, 0xd801, 0x6c, 0x00};
37 static const u16 i3[] = {0x69, 0x33, 0xd801, 0x00};
39 /* Six characters translating to one utf-16 word each. */
40 static const char d1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
41 /* Eight characters translating to one utf-16 word each */
42 static const char d2[] = {0x6b, 0x61, 0x66, 0x62, 0xc3, 0xa1, 0x74, 0x75,
44 /* Three characters translating to one utf-16 word each */
45 static const char d3[] = {0xe6, 0xbd, 0x9c, 0xe6, 0xb0, 0xb4, 0xe8, 0x89,
47 /* Three letters translating to two utf-16 word each */
48 static const char d4[] = {0xf0, 0x90, 0x92, 0x8d, 0xf0, 0x90, 0x92, 0x96,
49 0xf0, 0x90, 0x92, 0x87, 0x00};
50 /* Letter not in code page 437 */
51 static const char d5[] = {0xCE, 0x92, 0x20, 0x69, 0x73, 0x20, 0x6E, 0x6F,
52 0x74, 0x20, 0x42, 0x00};
54 /* Illegal utf-8 strings */
55 static const char j1[] = {0x6a, 0x31, 0xa1, 0x6c, 0x00};
56 static const char j2[] = {0x6a, 0x32, 0xc3, 0xc3, 0x6c, 0x00};
57 static const char j3[] = {0x6a, 0x33, 0xf0, 0x90, 0xf0, 0x00};
58 static const char j4[] = {0xa1, 0x00};
60 static int unicode_test_u16_strlen(struct unit_test_state *uts)
62 ut_asserteq(6, u16_strlen(c1));
63 ut_asserteq(8, u16_strlen(c2));
64 ut_asserteq(3, u16_strlen(c3));
65 ut_asserteq(6, u16_strlen(c4));
68 UNICODE_TEST(unicode_test_u16_strlen);
70 static int unicode_test_u16_strdup(struct unit_test_state *uts)
72 u16 *copy = u16_strdup(c4);
74 ut_assert(copy != c4);
75 ut_asserteq_mem(copy, c4, sizeof(c4));
80 UNICODE_TEST(unicode_test_u16_strdup);
82 static int unicode_test_u16_strcpy(struct unit_test_state *uts)
87 r = u16_strcpy(copy, c1);
89 ut_asserteq_mem(copy, c1, sizeof(c1));
93 UNICODE_TEST(unicode_test_u16_strcpy);
95 /* U-Boot uses UTF-16 strings in the EFI context only. */
96 #if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
97 static int unicode_test_string16(struct unit_test_state *uts)
101 /* Test length and precision */
102 memset(buf, 0xff, sizeof(buf));
103 sprintf(buf, "%8.6ls", c2);
104 ut_asserteq(' ', buf[1]);
105 ut_assert(!strncmp(&buf[2], d2, 7));
108 memset(buf, 0xff, sizeof(buf));
109 sprintf(buf, "%8.6ls", c4);
110 ut_asserteq(' ', buf[4]);
111 ut_assert(!strncmp(&buf[5], d4, 12));
114 memset(buf, 0xff, sizeof(buf));
115 sprintf(buf, "%-8.2ls", c4);
116 ut_asserteq(' ', buf[8]);
117 ut_assert(!strncmp(buf, d4, 8));
120 /* Test handling of illegal utf-16 sequences */
121 memset(buf, 0xff, sizeof(buf));
122 sprintf(buf, "%ls", i1);
123 ut_asserteq_str("i1?l", buf);
125 memset(buf, 0xff, sizeof(buf));
126 sprintf(buf, "%ls", i2);
127 ut_asserteq_str("i2?l", buf);
129 memset(buf, 0xff, sizeof(buf));
130 sprintf(buf, "%ls", i3);
131 ut_asserteq_str("i3?", buf);
135 UNICODE_TEST(unicode_test_string16);
138 static int unicode_test_utf8_get(struct unit_test_state *uts)
144 /* Check characters less than 0x800 */
146 for (i = 0; i < 8; ++i) {
147 code = utf8_get((const char **)&s);
148 /* c2 is the utf-8 encoding of d2 */
149 ut_asserteq(c2[i], code);
153 ut_asserteq_ptr(s, d2 + 9)
155 /* Check characters less than 0x10000 */
157 for (i = 0; i < 4; ++i) {
158 code = utf8_get((const char **)&s);
159 /* c3 is the utf-8 encoding of d3 */
160 ut_asserteq(c3[i], code);
164 ut_asserteq_ptr(s, d3 + 9)
166 /* Check character greater 0xffff */
168 code = utf8_get((const char **)&s);
169 ut_asserteq(0x0001048d, code);
170 ut_asserteq_ptr(s, d4 + 4);
172 /* Check illegal character */
174 code = utf8_get((const char **)&s);
175 ut_asserteq(-1, code);
176 ut_asserteq_ptr(j4 + 1, s);
180 UNICODE_TEST(unicode_test_utf8_get);
182 static int unicode_test_utf8_put(struct unit_test_state *uts)
184 char buffer[8] = { 0, };
187 /* Commercial at, translates to one character */
189 ut_assert(!utf8_put('@', &pos))
190 ut_asserteq(1, pos - buffer);
191 ut_asserteq('@', buffer[0]);
192 ut_assert(!buffer[1]);
194 /* Latin letter G with acute, translates to two charactes */
196 ut_assert(!utf8_put(0x1f4, &pos));
197 ut_asserteq(2, pos - buffer);
198 ut_asserteq_str("\xc7\xb4", buffer);
200 /* Tagalog letter i, translates to three characters */
202 ut_assert(!utf8_put(0x1701, &pos));
203 ut_asserteq(3, pos - buffer);
204 ut_asserteq_str("\xe1\x9c\x81", buffer);
206 /* Hamster face, translates to four characters */
208 ut_assert(!utf8_put(0x1f439, &pos));
209 ut_asserteq(4, pos - buffer);
210 ut_asserteq_str("\xf0\x9f\x90\xb9", buffer);
214 ut_asserteq(-1, utf8_put(0xd888, &pos));
218 UNICODE_TEST(unicode_test_utf8_put);
220 static int unicode_test_utf8_utf16_strlen(struct unit_test_state *uts)
222 ut_asserteq(6, utf8_utf16_strlen(d1));
223 ut_asserteq(8, utf8_utf16_strlen(d2));
224 ut_asserteq(3, utf8_utf16_strlen(d3));
225 ut_asserteq(6, utf8_utf16_strlen(d4));
227 /* illegal utf-8 sequences */
228 ut_asserteq(4, utf8_utf16_strlen(j1));
229 ut_asserteq(4, utf8_utf16_strlen(j2));
230 ut_asserteq(3, utf8_utf16_strlen(j3));
234 UNICODE_TEST(unicode_test_utf8_utf16_strlen);
236 static int unicode_test_utf8_utf16_strnlen(struct unit_test_state *uts)
238 ut_asserteq(3, utf8_utf16_strnlen(d1, 3));
239 ut_asserteq(6, utf8_utf16_strnlen(d1, 13));
240 ut_asserteq(6, utf8_utf16_strnlen(d2, 6));
241 ut_asserteq(2, utf8_utf16_strnlen(d3, 2));
242 ut_asserteq(4, utf8_utf16_strnlen(d4, 2));
243 ut_asserteq(6, utf8_utf16_strnlen(d4, 3));
245 /* illegal utf-8 sequences */
246 ut_asserteq(4, utf8_utf16_strnlen(j1, 16));
247 ut_asserteq(4, utf8_utf16_strnlen(j2, 16));
248 ut_asserteq(3, utf8_utf16_strnlen(j3, 16));
252 UNICODE_TEST(unicode_test_utf8_utf16_strnlen);
255 * ut_u16_strcmp() - Compare to u16 strings.
259 * @count: number of u16 to compare
260 * Return: -1 if a1 < a2, 0 if a1 == a2, 1 if a1 > a2
262 static int unicode_test_u16_strcmp(const u16 *a1, const u16 *a2, size_t count)
264 for (; (*a1 || *a2) && count; ++a1, ++a2, --count) {
273 static int unicode_test_utf8_utf16_strcpy(struct unit_test_state *uts)
279 utf8_utf16_strcpy(&pos, d1);
280 ut_asserteq(6, pos - buf);
281 ut_assert(!unicode_test_u16_strcmp(buf, c1, SIZE_MAX));
284 utf8_utf16_strcpy(&pos, d2);
285 ut_asserteq(8, pos - buf);
286 ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
289 utf8_utf16_strcpy(&pos, d3);
290 ut_asserteq(3, pos - buf);
291 ut_assert(!unicode_test_u16_strcmp(buf, c3, SIZE_MAX));
294 utf8_utf16_strcpy(&pos, d4);
295 ut_asserteq(6, pos - buf);
296 ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
298 /* Illegal utf-8 strings */
300 utf8_utf16_strcpy(&pos, j1);
301 ut_asserteq(4, pos - buf);
302 ut_assert(!unicode_test_u16_strcmp(buf, L"j1?l", SIZE_MAX));
305 utf8_utf16_strcpy(&pos, j2);
306 ut_asserteq(4, pos - buf);
307 ut_assert(!unicode_test_u16_strcmp(buf, L"j2?l", SIZE_MAX));
310 utf8_utf16_strcpy(&pos, j3);
311 ut_asserteq(3, pos - buf);
312 ut_assert(!unicode_test_u16_strcmp(buf, L"j3?", SIZE_MAX));
316 UNICODE_TEST(unicode_test_utf8_utf16_strcpy);
318 static int unicode_test_utf8_utf16_strncpy(struct unit_test_state *uts)
324 memset(buf, 0, sizeof(buf));
325 utf8_utf16_strncpy(&pos, d1, 4);
326 ut_asserteq(4, pos - buf);
328 ut_assert(!unicode_test_u16_strcmp(buf, c1, 4));
331 memset(buf, 0, sizeof(buf));
332 utf8_utf16_strncpy(&pos, d2, 10);
333 ut_asserteq(8, pos - buf);
335 ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
338 memset(buf, 0, sizeof(buf));
339 utf8_utf16_strncpy(&pos, d3, 2);
340 ut_asserteq(2, pos - buf);
342 ut_assert(!unicode_test_u16_strcmp(buf, c3, 2));
345 memset(buf, 0, sizeof(buf));
346 utf8_utf16_strncpy(&pos, d4, 2);
347 ut_asserteq(4, pos - buf);
349 ut_assert(!unicode_test_u16_strcmp(buf, c4, 4));
352 memset(buf, 0, sizeof(buf));
353 utf8_utf16_strncpy(&pos, d4, 10);
354 ut_asserteq(6, pos - buf);
356 ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
360 UNICODE_TEST(unicode_test_utf8_utf16_strncpy);
362 static int unicode_test_utf16_get(struct unit_test_state *uts)
368 /* Check characters less than 0x10000 */
370 for (i = 0; i < 9; ++i) {
371 code = utf16_get((const u16 **)&s);
372 ut_asserteq(c2[i], code);
376 ut_asserteq_ptr(c2 + 8, s);
378 /* Check character greater 0xffff */
380 code = utf16_get((const u16 **)&s);
381 ut_asserteq(0x0001048d, code);
382 ut_asserteq_ptr(c4 + 2, s);
386 UNICODE_TEST(unicode_test_utf16_get);
388 static int unicode_test_utf16_put(struct unit_test_state *uts)
390 u16 buffer[4] = { 0, };
393 /* Commercial at, translates to one word */
395 ut_assert(!utf16_put('@', &pos));
396 ut_asserteq(1, pos - buffer);
397 ut_asserteq((u16)'@', buffer[0]);
398 ut_assert(!buffer[1]);
400 /* Hamster face, translates to two words */
402 ut_assert(!utf16_put(0x1f439, &pos));
403 ut_asserteq(2, pos - buffer);
404 ut_asserteq((u16)0xd83d, buffer[0]);
405 ut_asserteq((u16)0xdc39, buffer[1]);
406 ut_assert(!buffer[2]);
410 ut_asserteq(-1, utf16_put(0xd888, &pos));
414 UNICODE_TEST(unicode_test_utf16_put);
416 static int unicode_test_utf16_strnlen(struct unit_test_state *uts)
418 ut_asserteq(3, utf16_strnlen(c1, 3));
419 ut_asserteq(6, utf16_strnlen(c1, 13));
420 ut_asserteq(6, utf16_strnlen(c2, 6));
421 ut_asserteq(2, utf16_strnlen(c3, 2));
422 ut_asserteq(2, utf16_strnlen(c4, 2));
423 ut_asserteq(3, utf16_strnlen(c4, 3));
425 /* illegal utf-16 word sequences */
426 ut_asserteq(4, utf16_strnlen(i1, 16));
427 ut_asserteq(4, utf16_strnlen(i2, 16));
428 ut_asserteq(3, utf16_strnlen(i3, 16));
432 UNICODE_TEST(unicode_test_utf16_strnlen);
434 static int unicode_test_utf16_utf8_strlen(struct unit_test_state *uts)
436 ut_asserteq(6, utf16_utf8_strlen(c1));
437 ut_asserteq(9, utf16_utf8_strlen(c2));
438 ut_asserteq(9, utf16_utf8_strlen(c3));
439 ut_asserteq(12, utf16_utf8_strlen(c4));
441 /* illegal utf-16 word sequences */
442 ut_asserteq(4, utf16_utf8_strlen(i1));
443 ut_asserteq(4, utf16_utf8_strlen(i2));
444 ut_asserteq(3, utf16_utf8_strlen(i3));
448 UNICODE_TEST(unicode_test_utf16_utf8_strlen);
450 static int unicode_test_utf16_utf8_strnlen(struct unit_test_state *uts)
452 ut_asserteq(3, utf16_utf8_strnlen(c1, 3));
453 ut_asserteq(6, utf16_utf8_strnlen(c1, 13));
454 ut_asserteq(7, utf16_utf8_strnlen(c2, 6));
455 ut_asserteq(6, utf16_utf8_strnlen(c3, 2));
456 ut_asserteq(8, utf16_utf8_strnlen(c4, 2));
457 ut_asserteq(12, utf16_utf8_strnlen(c4, 3));
460 UNICODE_TEST(unicode_test_utf16_utf8_strnlen);
462 static int unicode_test_utf16_utf8_strcpy(struct unit_test_state *uts)
468 utf16_utf8_strcpy(&pos, c1);
469 ut_asserteq(6, pos - buf);
470 ut_asserteq_str(d1, buf);
473 utf16_utf8_strcpy(&pos, c2);
474 ut_asserteq(9, pos - buf);
475 ut_asserteq_str(d2, buf);
478 utf16_utf8_strcpy(&pos, c3);
479 ut_asserteq(9, pos - buf);
480 ut_asserteq_str(d3, buf);
483 utf16_utf8_strcpy(&pos, c4);
484 ut_asserteq(12, pos - buf);
485 ut_asserteq_str(d4, buf);
487 /* Illegal utf-16 strings */
489 utf16_utf8_strcpy(&pos, i1);
490 ut_asserteq(4, pos - buf);
491 ut_asserteq_str("i1?l", buf);
494 utf16_utf8_strcpy(&pos, i2);
495 ut_asserteq(4, pos - buf);
496 ut_asserteq_str("i2?l", buf);
499 utf16_utf8_strcpy(&pos, i3);
500 ut_asserteq(3, pos - buf);
501 ut_asserteq_str("i3?", buf);
505 UNICODE_TEST(unicode_test_utf16_utf8_strcpy);
507 static int unicode_test_utf16_utf8_strncpy(struct unit_test_state *uts)
513 memset(buf, 0, sizeof(buf));
514 utf16_utf8_strncpy(&pos, c1, 4);
515 ut_asserteq(4, pos - buf);
517 ut_assert(!strncmp(buf, d1, 4));
520 memset(buf, 0, sizeof(buf));
521 utf16_utf8_strncpy(&pos, c2, 10);
522 ut_asserteq(9, pos - buf);
524 ut_assert(!strncmp(buf, d2, SIZE_MAX));
527 memset(buf, 0, sizeof(buf));
528 utf16_utf8_strncpy(&pos, c3, 2);
529 ut_asserteq(6, pos - buf);
531 ut_assert(!strncmp(buf, d3, 6));
534 memset(buf, 0, sizeof(buf));
535 utf16_utf8_strncpy(&pos, c4, 2);
536 ut_asserteq(8, pos - buf);
538 ut_assert(!strncmp(buf, d4, 8));
541 memset(buf, 0, sizeof(buf));
542 utf16_utf8_strncpy(&pos, c4, 10);
543 ut_asserteq(12, pos - buf);
545 ut_assert(!strncmp(buf, d4, SIZE_MAX));
549 UNICODE_TEST(unicode_test_utf16_utf8_strncpy);
551 static int unicode_test_utf_to_lower(struct unit_test_state *uts)
553 ut_asserteq('@', utf_to_lower('@'));
554 ut_asserteq('a', utf_to_lower('A'));
555 ut_asserteq('z', utf_to_lower('Z'));
556 ut_asserteq('[', utf_to_lower('['));
557 ut_asserteq('m', utf_to_lower('m'));
558 /* Latin letter O with diaresis (umlaut) */
559 ut_asserteq(0x00f6, utf_to_lower(0x00d6));
560 #ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
561 /* Cyrillic letter I*/
562 ut_asserteq(0x0438, utf_to_lower(0x0418));
566 UNICODE_TEST(unicode_test_utf_to_lower);
568 static int unicode_test_utf_to_upper(struct unit_test_state *uts)
570 ut_asserteq('`', utf_to_upper('`'));
571 ut_asserteq('A', utf_to_upper('a'));
572 ut_asserteq('Z', utf_to_upper('z'));
573 ut_asserteq('{', utf_to_upper('{'));
574 ut_asserteq('M', utf_to_upper('M'));
575 /* Latin letter O with diaresis (umlaut) */
576 ut_asserteq(0x00d6, utf_to_upper(0x00f6));
577 #ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
578 /* Cyrillic letter I */
579 ut_asserteq(0x0418, utf_to_upper(0x0438));
583 UNICODE_TEST(unicode_test_utf_to_upper);
585 static int unicode_test_u16_strncmp(struct unit_test_state *uts)
587 ut_assert(u16_strncmp(L"abc", L"abc", 3) == 0);
588 ut_assert(u16_strncmp(L"abcdef", L"abcghi", 3) == 0);
589 ut_assert(u16_strncmp(L"abcdef", L"abcghi", 6) < 0);
590 ut_assert(u16_strncmp(L"abcghi", L"abcdef", 6) > 0);
591 ut_assert(u16_strcmp(L"abc", L"abc") == 0);
592 ut_assert(u16_strcmp(L"abcdef", L"deghi") < 0);
593 ut_assert(u16_strcmp(L"deghi", L"abcdef") > 0);
596 UNICODE_TEST(unicode_test_u16_strncmp);
598 static int unicode_test_u16_strsize(struct unit_test_state *uts)
600 ut_asserteq_64(u16_strsize(c1), 14);
601 ut_asserteq_64(u16_strsize(c2), 18);
602 ut_asserteq_64(u16_strsize(c3), 8);
603 ut_asserteq_64(u16_strsize(c4), 14);
606 UNICODE_TEST(unicode_test_u16_strsize);
608 static int unicode_test_utf_to_cp(struct unit_test_state *uts)
614 ret = utf_to_cp(&c, codepage_437);
616 ut_asserteq('\n', c);
619 ret = utf_to_cp(&c, codepage_437);
623 c = 0x03c4; /* Greek small letter tau */
624 ret = utf_to_cp(&c, codepage_437);
626 ut_asserteq(0xe7, c);
628 c = 0x03a4; /* Greek capital letter tau */
629 ret = utf_to_cp(&c, codepage_437);
630 ut_asserteq(-ENOENT, ret);
635 UNICODE_TEST(unicode_test_utf_to_cp);
637 static void utf8_to_cp437_stream_helper(const char *in, char *out)
644 ret = utf8_to_cp437_stream(*in, buffer);
651 static int unicode_test_utf8_to_cp437_stream(struct unit_test_state *uts)
655 utf8_to_cp437_stream_helper(d1, buf);
656 ut_asserteq_str("U-Boot", buf);
657 utf8_to_cp437_stream_helper(d2, buf);
658 ut_asserteq_str("kafb\xa0tur", buf);
659 utf8_to_cp437_stream_helper(d5, buf);
660 ut_asserteq_str("? is not B", buf);
661 utf8_to_cp437_stream_helper(j2, buf);
662 ut_asserteq_str("j2l", buf);
666 UNICODE_TEST(unicode_test_utf8_to_cp437_stream);
668 static void utf8_to_utf32_stream_helper(const char *in, s32 *out)
675 ret = utf8_to_utf32_stream(*in, buffer);
682 static int unicode_test_utf8_to_utf32_stream(struct unit_test_state *uts)
686 const u32 u1[] = {0x55, 0x2D, 0x42, 0x6F, 0x6F, 0x74, 0x0000};
687 const u32 u2[] = {0x6B, 0x61, 0x66, 0x62, 0xE1, 0x74, 0x75, 0x72, 0x00};
688 const u32 u3[] = {0x0392, 0x20, 0x69, 0x73, 0x20, 0x6E, 0x6F, 0x74,
690 const u32 u4[] = {0x6A, 0x32, 0x6C, 0x00};
692 memset(buf, 0, sizeof(buf));
693 utf8_to_utf32_stream_helper(d1, buf);
694 ut_asserteq_mem(u1, buf, sizeof(u1));
696 memset(buf, 0, sizeof(buf));
697 utf8_to_utf32_stream_helper(d2, buf);
698 ut_asserteq_mem(u2, buf, sizeof(u2));
700 memset(buf, 0, sizeof(buf));
701 utf8_to_utf32_stream_helper(d5, buf);
702 ut_asserteq_mem(u3, buf, sizeof(u3));
704 memset(buf, 0, sizeof(buf));
705 utf8_to_utf32_stream_helper(j2, buf);
706 ut_asserteq_mem(u4, buf, sizeof(u4));
710 UNICODE_TEST(unicode_test_utf8_to_utf32_stream);
712 #ifdef CONFIG_EFI_LOADER
713 static int unicode_test_efi_create_indexed_name(struct unit_test_state *uts)
716 u16 const expected[] = L"Capsule0AF9";
719 memset(buf, 0xeb, sizeof(buf));
720 pos = efi_create_indexed_name(buf, sizeof(buf), "Capsule", 0x0af9);
722 ut_asserteq_mem(expected, buf, sizeof(expected));
723 ut_asserteq(pos - buf, u16_strnlen(buf, SIZE_MAX));
727 UNICODE_TEST(unicode_test_efi_create_indexed_name);
730 int do_ut_unicode(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
732 struct unit_test *tests = UNIT_TEST_SUITE_START(unicode_test);
733 const int n_ents = UNIT_TEST_SUITE_COUNT(unicode_test);
735 return cmd_ut_category("Unicode", "unicode_test_",
736 tests, n_ents, argc, argv);