[J-u-boot.git] / test / unicode_ut.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Unit tests for Unicode functions
 *
 * Copyright (c) 2018 Heinrich Schuchardt <[email protected]>
 */

#include <common.h>
#include <charset.h>
#include <command.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_assert(!memcmp(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_assert(!memcmp(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);

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);
}
Commit	Line	Data
f11a164b HS	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* Unit tests for Unicode functions
	4	*
	5	* Copyright (c) 2018 Heinrich Schuchardt <[email protected]>
	6	*/
	7
	8	#include <common.h>
	9	#include <charset.h>
	10	#include <command.h>
	11	#include <errno.h>
f7ae49fc	12	#include <log.h>
336d4615	13	#include <malloc.h>
f11a164b HS	14	#include <test/test.h>
	15	#include <test/suites.h>
	16	#include <test/ut.h>
	17
	18	/* Linker list entry for a Unicode test */
	19	#define UNICODE_TEST(_name) UNIT_TEST(_name, 0, unicode_test)
	20
	21	/* Constants c1-c4 and d1-d4 encode the same letters */
	22
	23	/* Six characters translating to one utf-8 byte each. */
	24	static const u16 c1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
	25	/* One character translating to two utf-8 bytes */
	26	static const u16 c2[] = {0x6b, 0x61, 0x66, 0x62, 0xe1, 0x74, 0x75, 0x72, 0x00};
	27	/* Three characters translating to three utf-8 bytes each */
	28	static const u16 c3[] = {0x6f5c, 0x6c34, 0x8266, 0x00};
	29	/* Three letters translating to four utf-8 bytes each */
	30	static const u16 c4[] = {0xd801, 0xdc8d, 0xd801, 0xdc96, 0xd801, 0xdc87,
	31	0x0000};
	32
	33	/* Illegal utf-16 strings */
	34	static const u16 i1[] = {0x69, 0x31, 0xdc87, 0x6c, 0x00};
	35	static const u16 i2[] = {0x69, 0x32, 0xd801, 0xd801, 0x6c, 0x00};
	36	static const u16 i3[] = {0x69, 0x33, 0xd801, 0x00};
	37
	38	/* Six characters translating to one utf-16 word each. */
	39	static const char d1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
	40	/* Eight characters translating to one utf-16 word each */
	41	static const char d2[] = {0x6b, 0x61, 0x66, 0x62, 0xc3, 0xa1, 0x74, 0x75,
	42	0x72, 0x00};
	43	/* Three characters translating to one utf-16 word each */
	44	static const char d3[] = {0xe6, 0xbd, 0x9c, 0xe6, 0xb0, 0xb4, 0xe8, 0x89,
	45	0xa6, 0x00};
	46	/* Three letters translating to two utf-16 word each */
	47	static const char d4[] = {0xf0, 0x90, 0x92, 0x8d, 0xf0, 0x90, 0x92, 0x96,
	48	0xf0, 0x90, 0x92, 0x87, 0x00};
	49
	50	/* Illegal utf-8 strings */
	51	static const char j1[] = {0x6a, 0x31, 0xa1, 0x6c, 0x00};
	52	static const char j2[] = {0x6a, 0x32, 0xc3, 0xc3, 0x6c, 0x00};
	53	static const char j3[] = {0x6a, 0x33, 0xf0, 0x90, 0xf0, 0x00};
	54
02b31dce HS	55	static int unicode_test_u16_strlen(struct unit_test_state *uts)
	56	{
	57	ut_asserteq(6, u16_strlen(c1));
	58	ut_asserteq(8, u16_strlen(c2));
	59	ut_asserteq(3, u16_strlen(c3));
	60	ut_asserteq(6, u16_strlen(c4));
	61	return 0;
	62	}
	63	UNICODE_TEST(unicode_test_u16_strlen);
	64
bc19681a	65	static int unicode_test_u16_strdup(struct unit_test_state *uts)
abb93cb0 HS	66	{
	67	u16 *copy = u16_strdup(c4);
	68
	69	ut_assert(copy != c4);
	70	ut_assert(!memcmp(copy, c4, sizeof(c4)));
	71	free(copy);
	72	return 0;
	73	}
bc19681a	74	UNICODE_TEST(unicode_test_u16_strdup);
abb93cb0	75
bc19681a	76	static int unicode_test_u16_strcpy(struct unit_test_state *uts)
abb93cb0 HS	77	{
	78	u16 *r;
	79	u16 copy[10];
	80
	81	r = u16_strcpy(copy, c1);
	82	ut_assert(r == copy);
	83	ut_assert(!memcmp(copy, c1, sizeof(c1)));
	84	return 0;
	85	}
bc19681a	86	UNICODE_TEST(unicode_test_u16_strcpy);
abb93cb0	87
fbba2f67 HS	88	/* U-Boot uses UTF-16 strings in the EFI context only. */
fbba2f67 HS	89	#if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
bc19681a	90	static int unicode_test_string16(struct unit_test_state *uts)
fbba2f67 HS	91	{
	92	char buf[20];
	93
	94	/* Test length and precision */
	95	memset(buf, 0xff, sizeof(buf));
	96	sprintf(buf, "%8.6ls", c2);
	97	ut_asserteq(' ', buf[1]);
	98	ut_assert(!strncmp(&buf[2], d2, 7));
	99	ut_assert(!buf[9]);
	100
	101	memset(buf, 0xff, sizeof(buf));
	102	sprintf(buf, "%8.6ls", c4);
	103	ut_asserteq(' ', buf[4]);
	104	ut_assert(!strncmp(&buf[5], d4, 12));
	105	ut_assert(!buf[17]);
	106
	107	memset(buf, 0xff, sizeof(buf));
	108	sprintf(buf, "%-8.2ls", c4);
	109	ut_asserteq(' ', buf[8]);
	110	ut_assert(!strncmp(buf, d4, 8));
	111	ut_assert(!buf[14]);
	112
	113	/* Test handling of illegal utf-16 sequences */
	114	memset(buf, 0xff, sizeof(buf));
	115	sprintf(buf, "%ls", i1);
	116	ut_asserteq_str("i1?l", buf);
	117
	118	memset(buf, 0xff, sizeof(buf));
	119	sprintf(buf, "%ls", i2);
	120	ut_asserteq_str("i2?l", buf);
	121
	122	memset(buf, 0xff, sizeof(buf));
	123	sprintf(buf, "%ls", i3);
	124	ut_asserteq_str("i3?", buf);
	125
	126	return 0;
	127	}
bc19681a	128	UNICODE_TEST(unicode_test_string16);
fbba2f67 HS	129	#endif
fbba2f67 HS	130
bc19681a	131	static int unicode_test_utf8_get(struct unit_test_state *uts)
f11a164b HS	132	{
	133	const char *s;
	134	s32 code;
	135	int i;
	136
	137	/* Check characters less than 0x800 */
	138	s = d2;
	139	for (i = 0; i < 8; ++i) {
	140	code = utf8_get((const char **)&s);
	141	/* c2 is the utf-8 encoding of d2 */
	142	ut_asserteq(c2[i], code);
	143	if (!code)
	144	break;
	145	}
	146	ut_asserteq_ptr(s, d2 + 9)
	147
	148	/* Check characters less than 0x10000 */
	149	s = d3;
	150	for (i = 0; i < 4; ++i) {
	151	code = utf8_get((const char **)&s);
	152	/* c3 is the utf-8 encoding of d3 */
	153	ut_asserteq(c3[i], code);
	154	if (!code)
	155	break;
	156	}
	157	ut_asserteq_ptr(s, d3 + 9)
	158
	159	/* Check character greater 0xffff */
	160	s = d4;
	161	code = utf8_get((const char **)&s);
	162	ut_asserteq(0x0001048d, code);
	163	ut_asserteq_ptr(s, d4 + 4);
	164
	165	return 0;
	166	}
bc19681a	167	UNICODE_TEST(unicode_test_utf8_get);
f11a164b	168
bc19681a	169	static int unicode_test_utf8_put(struct unit_test_state *uts)
f11a164b HS	170	{
	171	char buffer[8] = { 0, };
	172	char *pos;
	173
	174	/* Commercial at, translates to one character */
	175	pos = buffer;
	176	ut_assert(!utf8_put('@', &pos))
	177	ut_asserteq(1, pos - buffer);
	178	ut_asserteq('@', buffer[0]);
	179	ut_assert(!buffer[1]);
	180
	181	/* Latin letter G with acute, translates to two charactes */
	182	pos = buffer;
	183	ut_assert(!utf8_put(0x1f4, &pos));
	184	ut_asserteq(2, pos - buffer);
	185	ut_asserteq_str("\xc7\xb4", buffer);
	186
	187	/* Tagalog letter i, translates to three characters */
	188	pos = buffer;
	189	ut_assert(!utf8_put(0x1701, &pos));
	190	ut_asserteq(3, pos - buffer);
	191	ut_asserteq_str("\xe1\x9c\x81", buffer);
	192
	193	/* Hamster face, translates to four characters */
	194	pos = buffer;
	195	ut_assert(!utf8_put(0x1f439, &pos));
	196	ut_asserteq(4, pos - buffer);
	197	ut_asserteq_str("\xf0\x9f\x90\xb9", buffer);
	198
	199	/* Illegal code */
	200	pos = buffer;
	201	ut_asserteq(-1, utf8_put(0xd888, &pos));
	202
	203	return 0;
	204	}
bc19681a	205	UNICODE_TEST(unicode_test_utf8_put);
f11a164b	206
bc19681a	207	static int unicode_test_utf8_utf16_strlen(struct unit_test_state *uts)
f11a164b HS	208	{
	209	ut_asserteq(6, utf8_utf16_strlen(d1));
	210	ut_asserteq(8, utf8_utf16_strlen(d2));
	211	ut_asserteq(3, utf8_utf16_strlen(d3));
	212	ut_asserteq(6, utf8_utf16_strlen(d4));
	213
	214	/* illegal utf-8 sequences */
	215	ut_asserteq(4, utf8_utf16_strlen(j1));
35cbb796	216	ut_asserteq(4, utf8_utf16_strlen(j2));
f11a164b HS	217	ut_asserteq(3, utf8_utf16_strlen(j3));
	218
	219	return 0;
	220	}
bc19681a	221	UNICODE_TEST(unicode_test_utf8_utf16_strlen);
f11a164b	222
bc19681a	223	static int unicode_test_utf8_utf16_strnlen(struct unit_test_state *uts)
f11a164b HS	224	{
	225	ut_asserteq(3, utf8_utf16_strnlen(d1, 3));
	226	ut_asserteq(6, utf8_utf16_strnlen(d1, 13));
	227	ut_asserteq(6, utf8_utf16_strnlen(d2, 6));
	228	ut_asserteq(2, utf8_utf16_strnlen(d3, 2));
	229	ut_asserteq(4, utf8_utf16_strnlen(d4, 2));
	230	ut_asserteq(6, utf8_utf16_strnlen(d4, 3));
	231
	232	/* illegal utf-8 sequences */
	233	ut_asserteq(4, utf8_utf16_strnlen(j1, 16));
35cbb796	234	ut_asserteq(4, utf8_utf16_strnlen(j2, 16));
f11a164b HS	235	ut_asserteq(3, utf8_utf16_strnlen(j3, 16));
	236
	237	return 0;
	238	}
bc19681a	239	UNICODE_TEST(unicode_test_utf8_utf16_strnlen);
f11a164b HS	240
	241	/**
	242	* ut_u16_strcmp() - Compare to u16 strings.
	243	*
	244	* @a1: first string
	245	* @a2: second string
	246	* @count: number of u16 to compare
	247	* Return: -1 if a1 < a2, 0 if a1 == a2, 1 if a1 > a2
	248	*/
bc19681a	249	static int unicode_test_u16_strcmp(const u16 a1, const u16 a2, size_t count)
f11a164b HS	250	{
	251	for (; (a1 \|\| a2) && count; ++a1, ++a2, --count) {
	252	if (a1 < a2)
	253	return -1;
	254	if (a1 > a2)
	255	return 1;
	256	}
	257	return 0;
	258	}
	259
bc19681a	260	static int unicode_test_utf8_utf16_strcpy(struct unit_test_state *uts)
f11a164b HS	261	{
	262	u16 buf[16];
	263	u16 *pos;
	264
	265	pos = buf;
	266	utf8_utf16_strcpy(&pos, d1);
	267	ut_asserteq(6, pos - buf);
bc19681a	268	ut_assert(!unicode_test_u16_strcmp(buf, c1, SIZE_MAX));
f11a164b HS	269
	270	pos = buf;
	271	utf8_utf16_strcpy(&pos, d2);
	272	ut_asserteq(8, pos - buf);
bc19681a	273	ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
f11a164b HS	274
	275	pos = buf;
	276	utf8_utf16_strcpy(&pos, d3);
	277	ut_asserteq(3, pos - buf);
bc19681a	278	ut_assert(!unicode_test_u16_strcmp(buf, c3, SIZE_MAX));
f11a164b HS	279
	280	pos = buf;
	281	utf8_utf16_strcpy(&pos, d4);
	282	ut_asserteq(6, pos - buf);
bc19681a	283	ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
f11a164b HS	284
	285	/* Illegal utf-8 strings */
	286	pos = buf;
	287	utf8_utf16_strcpy(&pos, j1);
	288	ut_asserteq(4, pos - buf);
bc19681a	289	ut_assert(!unicode_test_u16_strcmp(buf, L"j1?l", SIZE_MAX));
f11a164b HS	290
	291	pos = buf;
	292	utf8_utf16_strcpy(&pos, j2);
35cbb796	293	ut_asserteq(4, pos - buf);
bc19681a	294	ut_assert(!unicode_test_u16_strcmp(buf, L"j2?l", SIZE_MAX));
f11a164b HS	295
	296	pos = buf;
	297	utf8_utf16_strcpy(&pos, j3);
	298	ut_asserteq(3, pos - buf);
bc19681a	299	ut_assert(!unicode_test_u16_strcmp(buf, L"j3?", SIZE_MAX));
f11a164b HS	300
	301	return 0;
	302	}
bc19681a	303	UNICODE_TEST(unicode_test_utf8_utf16_strcpy);
f11a164b	304
bc19681a	305	static int unicode_test_utf8_utf16_strncpy(struct unit_test_state *uts)
f11a164b HS	306	{
	307	u16 buf[16];
	308	u16 *pos;
	309
	310	pos = buf;
	311	memset(buf, 0, sizeof(buf));
	312	utf8_utf16_strncpy(&pos, d1, 4);
	313	ut_asserteq(4, pos - buf);
	314	ut_assert(!buf[4]);
bc19681a	315	ut_assert(!unicode_test_u16_strcmp(buf, c1, 4));
f11a164b HS	316
	317	pos = buf;
	318	memset(buf, 0, sizeof(buf));
	319	utf8_utf16_strncpy(&pos, d2, 10);
	320	ut_asserteq(8, pos - buf);
	321	ut_assert(buf[4]);
bc19681a	322	ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
f11a164b HS	323
	324	pos = buf;
	325	memset(buf, 0, sizeof(buf));
	326	utf8_utf16_strncpy(&pos, d3, 2);
	327	ut_asserteq(2, pos - buf);
	328	ut_assert(!buf[2]);
bc19681a	329	ut_assert(!unicode_test_u16_strcmp(buf, c3, 2));
f11a164b HS	330
	331	pos = buf;
	332	memset(buf, 0, sizeof(buf));
	333	utf8_utf16_strncpy(&pos, d4, 2);
	334	ut_asserteq(4, pos - buf);
	335	ut_assert(!buf[4]);
bc19681a	336	ut_assert(!unicode_test_u16_strcmp(buf, c4, 4));
f11a164b HS	337
	338	pos = buf;
	339	memset(buf, 0, sizeof(buf));
	340	utf8_utf16_strncpy(&pos, d4, 10);
	341	ut_asserteq(6, pos - buf);
	342	ut_assert(buf[5]);
bc19681a	343	ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
f11a164b HS	344
	345	return 0;
	346	}
bc19681a	347	UNICODE_TEST(unicode_test_utf8_utf16_strncpy);
f11a164b	348
bc19681a	349	static int unicode_test_utf16_get(struct unit_test_state *uts)
f11a164b HS	350	{
	351	const u16 *s;
	352	s32 code;
	353	int i;
	354
	355	/* Check characters less than 0x10000 */
	356	s = c2;
	357	for (i = 0; i < 9; ++i) {
	358	code = utf16_get((const u16 **)&s);
	359	ut_asserteq(c2[i], code);
	360	if (!code)
	361	break;
	362	}
	363	ut_asserteq_ptr(c2 + 8, s);
	364
	365	/* Check character greater 0xffff */
	366	s = c4;
	367	code = utf16_get((const u16 **)&s);
	368	ut_asserteq(0x0001048d, code);
	369	ut_asserteq_ptr(c4 + 2, s);
	370
	371	return 0;
	372	}
bc19681a	373	UNICODE_TEST(unicode_test_utf16_get);
f11a164b	374
bc19681a	375	static int unicode_test_utf16_put(struct unit_test_state *uts)
f11a164b HS	376	{
	377	u16 buffer[4] = { 0, };
	378	u16 *pos;
	379
	380	/* Commercial at, translates to one word */
	381	pos = buffer;
	382	ut_assert(!utf16_put('@', &pos));
	383	ut_asserteq(1, pos - buffer);
	384	ut_asserteq((u16)'@', buffer[0]);
	385	ut_assert(!buffer[1]);
	386
	387	/* Hamster face, translates to two words */
	388	pos = buffer;
	389	ut_assert(!utf16_put(0x1f439, &pos));
	390	ut_asserteq(2, pos - buffer);
	391	ut_asserteq((u16)0xd83d, buffer[0]);
	392	ut_asserteq((u16)0xdc39, buffer[1]);
	393	ut_assert(!buffer[2]);
	394
	395	/* Illegal code */
	396	pos = buffer;
	397	ut_asserteq(-1, utf16_put(0xd888, &pos));
	398
	399	return 0;
	400	}
bc19681a	401	UNICODE_TEST(unicode_test_utf16_put);
f11a164b	402
bc19681a	403	static int unicode_test_utf16_strnlen(struct unit_test_state *uts)
f11a164b HS	404	{
	405	ut_asserteq(3, utf16_strnlen(c1, 3));
	406	ut_asserteq(6, utf16_strnlen(c1, 13));
	407	ut_asserteq(6, utf16_strnlen(c2, 6));
	408	ut_asserteq(2, utf16_strnlen(c3, 2));
	409	ut_asserteq(2, utf16_strnlen(c4, 2));
	410	ut_asserteq(3, utf16_strnlen(c4, 3));
	411
	412	/* illegal utf-16 word sequences */
	413	ut_asserteq(4, utf16_strnlen(i1, 16));
	414	ut_asserteq(4, utf16_strnlen(i2, 16));
	415	ut_asserteq(3, utf16_strnlen(i3, 16));
	416
	417	return 0;
	418	}
bc19681a	419	UNICODE_TEST(unicode_test_utf16_strnlen);
f11a164b	420
bc19681a	421	static int unicode_test_utf16_utf8_strlen(struct unit_test_state *uts)
f11a164b HS	422	{
	423	ut_asserteq(6, utf16_utf8_strlen(c1));
	424	ut_asserteq(9, utf16_utf8_strlen(c2));
	425	ut_asserteq(9, utf16_utf8_strlen(c3));
	426	ut_asserteq(12, utf16_utf8_strlen(c4));
	427
	428	/* illegal utf-16 word sequences */
	429	ut_asserteq(4, utf16_utf8_strlen(i1));
	430	ut_asserteq(4, utf16_utf8_strlen(i2));
	431	ut_asserteq(3, utf16_utf8_strlen(i3));
	432
	433	return 0;
	434	}
bc19681a	435	UNICODE_TEST(unicode_test_utf16_utf8_strlen);
f11a164b	436
bc19681a	437	static int unicode_test_utf16_utf8_strnlen(struct unit_test_state *uts)
f11a164b HS	438	{
	439	ut_asserteq(3, utf16_utf8_strnlen(c1, 3));
	440	ut_asserteq(6, utf16_utf8_strnlen(c1, 13));
	441	ut_asserteq(7, utf16_utf8_strnlen(c2, 6));
	442	ut_asserteq(6, utf16_utf8_strnlen(c3, 2));
	443	ut_asserteq(8, utf16_utf8_strnlen(c4, 2));
	444	ut_asserteq(12, utf16_utf8_strnlen(c4, 3));
	445	return 0;
	446	}
bc19681a	447	UNICODE_TEST(unicode_test_utf16_utf8_strnlen);
f11a164b	448
bc19681a	449	static int unicode_test_utf16_utf8_strcpy(struct unit_test_state *uts)
f11a164b HS	450	{
	451	char buf[16];
	452	char *pos;
	453
	454	pos = buf;
	455	utf16_utf8_strcpy(&pos, c1);
	456	ut_asserteq(6, pos - buf);
	457	ut_asserteq_str(d1, buf);
	458
	459	pos = buf;
	460	utf16_utf8_strcpy(&pos, c2);
	461	ut_asserteq(9, pos - buf);
	462	ut_asserteq_str(d2, buf);
	463
	464	pos = buf;
	465	utf16_utf8_strcpy(&pos, c3);
	466	ut_asserteq(9, pos - buf);
	467	ut_asserteq_str(d3, buf);
	468
	469	pos = buf;
	470	utf16_utf8_strcpy(&pos, c4);
	471	ut_asserteq(12, pos - buf);
	472	ut_asserteq_str(d4, buf);
	473
	474	/* Illegal utf-16 strings */
	475	pos = buf;
	476	utf16_utf8_strcpy(&pos, i1);
	477	ut_asserteq(4, pos - buf);
	478	ut_asserteq_str("i1?l", buf);
	479
	480	pos = buf;
	481	utf16_utf8_strcpy(&pos, i2);
	482	ut_asserteq(4, pos - buf);
	483	ut_asserteq_str("i2?l", buf);
	484
	485	pos = buf;
	486	utf16_utf8_strcpy(&pos, i3);
	487	ut_asserteq(3, pos - buf);
	488	ut_asserteq_str("i3?", buf);
	489
	490	return 0;
	491	}
bc19681a	492	UNICODE_TEST(unicode_test_utf16_utf8_strcpy);
f11a164b	493
bc19681a	494	static int unicode_test_utf16_utf8_strncpy(struct unit_test_state *uts)
f11a164b HS	495	{
	496	char buf[16];
	497	char *pos;
	498
	499	pos = buf;
	500	memset(buf, 0, sizeof(buf));
	501	utf16_utf8_strncpy(&pos, c1, 4);
	502	ut_asserteq(4, pos - buf);
	503	ut_assert(!buf[4]);
	504	ut_assert(!strncmp(buf, d1, 4));
	505
	506	pos = buf;
	507	memset(buf, 0, sizeof(buf));
	508	utf16_utf8_strncpy(&pos, c2, 10);
	509	ut_asserteq(9, pos - buf);
	510	ut_assert(buf[4]);
	511	ut_assert(!strncmp(buf, d2, SIZE_MAX));
	512
	513	pos = buf;
	514	memset(buf, 0, sizeof(buf));
	515	utf16_utf8_strncpy(&pos, c3, 2);
	516	ut_asserteq(6, pos - buf);
	517	ut_assert(!buf[6]);
	518	ut_assert(!strncmp(buf, d3, 6));
	519
	520	pos = buf;
	521	memset(buf, 0, sizeof(buf));
	522	utf16_utf8_strncpy(&pos, c4, 2);
	523	ut_asserteq(8, pos - buf);
	524	ut_assert(!buf[8]);
	525	ut_assert(!strncmp(buf, d4, 8));
	526
	527	pos = buf;
	528	memset(buf, 0, sizeof(buf));
	529	utf16_utf8_strncpy(&pos, c4, 10);
	530	ut_asserteq(12, pos - buf);
	531	ut_assert(buf[5]);
	532	ut_assert(!strncmp(buf, d4, SIZE_MAX));
	533
	534	return 0;
	535	}
bc19681a	536	UNICODE_TEST(unicode_test_utf16_utf8_strncpy);
f11a164b	537
bc19681a	538	static int unicode_test_utf_to_lower(struct unit_test_state *uts)
1a1012a1 HS	539	{
	540	ut_asserteq('@', utf_to_lower('@'));
	541	ut_asserteq('a', utf_to_lower('A'));
	542	ut_asserteq('z', utf_to_lower('Z'));
	543	ut_asserteq('[', utf_to_lower('['));
	544	ut_asserteq('m', utf_to_lower('m'));
	545	/* Latin letter O with diaresis (umlaut) */
	546	ut_asserteq(0x00f6, utf_to_lower(0x00d6));
	547	#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
	548	/* Cyrillic letter I*/
	549	ut_asserteq(0x0438, utf_to_lower(0x0418));
	550	#endif
	551	return 0;
	552	}
bc19681a	553	UNICODE_TEST(unicode_test_utf_to_lower);
1a1012a1	554
bc19681a	555	static int unicode_test_utf_to_upper(struct unit_test_state *uts)
1a1012a1 HS	556	{
	557	ut_asserteq('`', utf_to_upper('`'));
	558	ut_asserteq('A', utf_to_upper('a'));
	559	ut_asserteq('Z', utf_to_upper('z'));
	560	ut_asserteq('{', utf_to_upper('{'));
	561	ut_asserteq('M', utf_to_upper('M'));
	562	/* Latin letter O with diaresis (umlaut) */
	563	ut_asserteq(0x00d6, utf_to_upper(0x00f6));
	564	#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
	565	/* Cyrillic letter I */
	566	ut_asserteq(0x0418, utf_to_upper(0x0438));
	567	#endif
	568	return 0;
	569	}
bc19681a	570	UNICODE_TEST(unicode_test_utf_to_upper);
1a1012a1	571
79907a4f AT	572	static int unicode_test_u16_strncmp(struct unit_test_state *uts)
	573	{
	574	ut_assert(u16_strncmp(L"abc", L"abc", 3) == 0);
	575	ut_assert(u16_strncmp(L"abcdef", L"abcghi", 3) == 0);
	576	ut_assert(u16_strncmp(L"abcdef", L"abcghi", 6) < 0);
	577	ut_assert(u16_strncmp(L"abcghi", L"abcdef", 6) > 0);
	578	ut_assert(u16_strcmp(L"abc", L"abc") == 0);
	579	ut_assert(u16_strcmp(L"abcdef", L"deghi") < 0);
	580	ut_assert(u16_strcmp(L"deghi", L"abcdef") > 0);
	581	return 0;
	582	}
	583	UNICODE_TEST(unicode_test_u16_strncmp);
	584
efe3b5c8 HS	585	static int unicode_test_u16_strsize(struct unit_test_state *uts)
	586	{
	587	ut_asserteq_64(u16_strsize(c1), 14);
	588	ut_asserteq_64(u16_strsize(c2), 18);
	589	ut_asserteq_64(u16_strsize(c3), 8);
	590	ut_asserteq_64(u16_strsize(c4), 14);
	591	return 0;
	592	}
	593	UNICODE_TEST(unicode_test_u16_strsize);
	594
09140113	595	int do_ut_unicode(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
f11a164b HS	596	{
	597	struct unit_test *tests = ll_entry_start(struct unit_test, unicode_test);
	598	const int n_ents = ll_entry_count(struct unit_test, unicode_test);
	599
4ad4edfe PR	600	return cmd_ut_category("Unicode", "unicode_test_",
4ad4edfe PR	601	tests, n_ents, argc, argv);
f11a164b	602	}