[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_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);

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);
f91f366b	70	ut_asserteq_mem(copy, c4, sizeof(c4));
abb93cb0	71	free(copy);
f91f366b	72
abb93cb0 HS	73	return 0;
abb93cb0 HS	74	}
bc19681a	75	UNICODE_TEST(unicode_test_u16_strdup);
abb93cb0	76
bc19681a	77	static int unicode_test_u16_strcpy(struct unit_test_state *uts)
abb93cb0 HS	78	{
	79	u16 *r;
	80	u16 copy[10];
	81
	82	r = u16_strcpy(copy, c1);
	83	ut_assert(r == copy);
f91f366b SG	84	ut_asserteq_mem(copy, c1, sizeof(c1));
f91f366b SG	85
abb93cb0 HS	86	return 0;
abb93cb0 HS	87	}
bc19681a	88	UNICODE_TEST(unicode_test_u16_strcpy);
abb93cb0	89
fbba2f67 HS	90	/* U-Boot uses UTF-16 strings in the EFI context only. */
fbba2f67 HS	91	#if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
bc19681a	92	static int unicode_test_string16(struct unit_test_state *uts)
fbba2f67 HS	93	{
	94	char buf[20];
	95
	96	/* Test length and precision */
	97	memset(buf, 0xff, sizeof(buf));
	98	sprintf(buf, "%8.6ls", c2);
	99	ut_asserteq(' ', buf[1]);
	100	ut_assert(!strncmp(&buf[2], d2, 7));
	101	ut_assert(!buf[9]);
	102
	103	memset(buf, 0xff, sizeof(buf));
	104	sprintf(buf, "%8.6ls", c4);
	105	ut_asserteq(' ', buf[4]);
	106	ut_assert(!strncmp(&buf[5], d4, 12));
	107	ut_assert(!buf[17]);
	108
	109	memset(buf, 0xff, sizeof(buf));
	110	sprintf(buf, "%-8.2ls", c4);
	111	ut_asserteq(' ', buf[8]);
	112	ut_assert(!strncmp(buf, d4, 8));
	113	ut_assert(!buf[14]);
	114
	115	/* Test handling of illegal utf-16 sequences */
	116	memset(buf, 0xff, sizeof(buf));
	117	sprintf(buf, "%ls", i1);
	118	ut_asserteq_str("i1?l", buf);
	119
	120	memset(buf, 0xff, sizeof(buf));
	121	sprintf(buf, "%ls", i2);
	122	ut_asserteq_str("i2?l", buf);
	123
	124	memset(buf, 0xff, sizeof(buf));
	125	sprintf(buf, "%ls", i3);
	126	ut_asserteq_str("i3?", buf);
	127
	128	return 0;
	129	}
bc19681a	130	UNICODE_TEST(unicode_test_string16);
fbba2f67 HS	131	#endif
fbba2f67 HS	132
bc19681a	133	static int unicode_test_utf8_get(struct unit_test_state *uts)
f11a164b HS	134	{
	135	const char *s;
	136	s32 code;
	137	int i;
	138
	139	/* Check characters less than 0x800 */
	140	s = d2;
	141	for (i = 0; i < 8; ++i) {
	142	code = utf8_get((const char **)&s);
	143	/* c2 is the utf-8 encoding of d2 */
	144	ut_asserteq(c2[i], code);
	145	if (!code)
	146	break;
	147	}
	148	ut_asserteq_ptr(s, d2 + 9)
	149
	150	/* Check characters less than 0x10000 */
	151	s = d3;
	152	for (i = 0; i < 4; ++i) {
	153	code = utf8_get((const char **)&s);
	154	/* c3 is the utf-8 encoding of d3 */
	155	ut_asserteq(c3[i], code);
	156	if (!code)
	157	break;
	158	}
	159	ut_asserteq_ptr(s, d3 + 9)
	160
	161	/* Check character greater 0xffff */
	162	s = d4;
	163	code = utf8_get((const char **)&s);
	164	ut_asserteq(0x0001048d, code);
	165	ut_asserteq_ptr(s, d4 + 4);
	166
	167	return 0;
	168	}
bc19681a	169	UNICODE_TEST(unicode_test_utf8_get);
f11a164b	170
bc19681a	171	static int unicode_test_utf8_put(struct unit_test_state *uts)
f11a164b HS	172	{
	173	char buffer[8] = { 0, };
	174	char *pos;
	175
	176	/* Commercial at, translates to one character */
	177	pos = buffer;
	178	ut_assert(!utf8_put('@', &pos))
	179	ut_asserteq(1, pos - buffer);
	180	ut_asserteq('@', buffer[0]);
	181	ut_assert(!buffer[1]);
	182
	183	/* Latin letter G with acute, translates to two charactes */
	184	pos = buffer;
	185	ut_assert(!utf8_put(0x1f4, &pos));
	186	ut_asserteq(2, pos - buffer);
	187	ut_asserteq_str("\xc7\xb4", buffer);
	188
	189	/* Tagalog letter i, translates to three characters */
	190	pos = buffer;
	191	ut_assert(!utf8_put(0x1701, &pos));
	192	ut_asserteq(3, pos - buffer);
	193	ut_asserteq_str("\xe1\x9c\x81", buffer);
	194
	195	/* Hamster face, translates to four characters */
	196	pos = buffer;
	197	ut_assert(!utf8_put(0x1f439, &pos));
	198	ut_asserteq(4, pos - buffer);
	199	ut_asserteq_str("\xf0\x9f\x90\xb9", buffer);
	200
	201	/* Illegal code */
	202	pos = buffer;
	203	ut_asserteq(-1, utf8_put(0xd888, &pos));
	204
	205	return 0;
	206	}
bc19681a	207	UNICODE_TEST(unicode_test_utf8_put);
f11a164b	208
bc19681a	209	static int unicode_test_utf8_utf16_strlen(struct unit_test_state *uts)
f11a164b HS	210	{
	211	ut_asserteq(6, utf8_utf16_strlen(d1));
	212	ut_asserteq(8, utf8_utf16_strlen(d2));
	213	ut_asserteq(3, utf8_utf16_strlen(d3));
	214	ut_asserteq(6, utf8_utf16_strlen(d4));
	215
	216	/* illegal utf-8 sequences */
	217	ut_asserteq(4, utf8_utf16_strlen(j1));
35cbb796	218	ut_asserteq(4, utf8_utf16_strlen(j2));
f11a164b HS	219	ut_asserteq(3, utf8_utf16_strlen(j3));
	220
	221	return 0;
	222	}
bc19681a	223	UNICODE_TEST(unicode_test_utf8_utf16_strlen);
f11a164b	224
bc19681a	225	static int unicode_test_utf8_utf16_strnlen(struct unit_test_state *uts)
f11a164b HS	226	{
	227	ut_asserteq(3, utf8_utf16_strnlen(d1, 3));
	228	ut_asserteq(6, utf8_utf16_strnlen(d1, 13));
	229	ut_asserteq(6, utf8_utf16_strnlen(d2, 6));
	230	ut_asserteq(2, utf8_utf16_strnlen(d3, 2));
	231	ut_asserteq(4, utf8_utf16_strnlen(d4, 2));
	232	ut_asserteq(6, utf8_utf16_strnlen(d4, 3));
	233
	234	/* illegal utf-8 sequences */
	235	ut_asserteq(4, utf8_utf16_strnlen(j1, 16));
35cbb796	236	ut_asserteq(4, utf8_utf16_strnlen(j2, 16));
f11a164b HS	237	ut_asserteq(3, utf8_utf16_strnlen(j3, 16));
	238
	239	return 0;
	240	}
bc19681a	241	UNICODE_TEST(unicode_test_utf8_utf16_strnlen);
f11a164b HS	242
	243	/**
	244	* ut_u16_strcmp() - Compare to u16 strings.
	245	*
	246	* @a1: first string
	247	* @a2: second string
	248	* @count: number of u16 to compare
	249	* Return: -1 if a1 < a2, 0 if a1 == a2, 1 if a1 > a2
	250	*/
bc19681a	251	static int unicode_test_u16_strcmp(const u16 a1, const u16 a2, size_t count)
f11a164b HS	252	{
	253	for (; (a1 \|\| a2) && count; ++a1, ++a2, --count) {
	254	if (a1 < a2)
	255	return -1;
	256	if (a1 > a2)
	257	return 1;
	258	}
	259	return 0;
	260	}
	261
bc19681a	262	static int unicode_test_utf8_utf16_strcpy(struct unit_test_state *uts)
f11a164b HS	263	{
	264	u16 buf[16];
	265	u16 *pos;
	266
	267	pos = buf;
	268	utf8_utf16_strcpy(&pos, d1);
	269	ut_asserteq(6, pos - buf);
bc19681a	270	ut_assert(!unicode_test_u16_strcmp(buf, c1, SIZE_MAX));
f11a164b HS	271
	272	pos = buf;
	273	utf8_utf16_strcpy(&pos, d2);
	274	ut_asserteq(8, pos - buf);
bc19681a	275	ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
f11a164b HS	276
	277	pos = buf;
	278	utf8_utf16_strcpy(&pos, d3);
	279	ut_asserteq(3, pos - buf);
bc19681a	280	ut_assert(!unicode_test_u16_strcmp(buf, c3, SIZE_MAX));
f11a164b HS	281
	282	pos = buf;
	283	utf8_utf16_strcpy(&pos, d4);
	284	ut_asserteq(6, pos - buf);
bc19681a	285	ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
f11a164b HS	286
	287	/* Illegal utf-8 strings */
	288	pos = buf;
	289	utf8_utf16_strcpy(&pos, j1);
	290	ut_asserteq(4, pos - buf);
bc19681a	291	ut_assert(!unicode_test_u16_strcmp(buf, L"j1?l", SIZE_MAX));
f11a164b HS	292
	293	pos = buf;
	294	utf8_utf16_strcpy(&pos, j2);
35cbb796	295	ut_asserteq(4, pos - buf);
bc19681a	296	ut_assert(!unicode_test_u16_strcmp(buf, L"j2?l", SIZE_MAX));
f11a164b HS	297
	298	pos = buf;
	299	utf8_utf16_strcpy(&pos, j3);
	300	ut_asserteq(3, pos - buf);
bc19681a	301	ut_assert(!unicode_test_u16_strcmp(buf, L"j3?", SIZE_MAX));
f11a164b HS	302
	303	return 0;
	304	}
bc19681a	305	UNICODE_TEST(unicode_test_utf8_utf16_strcpy);
f11a164b	306
bc19681a	307	static int unicode_test_utf8_utf16_strncpy(struct unit_test_state *uts)
f11a164b HS	308	{
	309	u16 buf[16];
	310	u16 *pos;
	311
	312	pos = buf;
	313	memset(buf, 0, sizeof(buf));
	314	utf8_utf16_strncpy(&pos, d1, 4);
	315	ut_asserteq(4, pos - buf);
	316	ut_assert(!buf[4]);
bc19681a	317	ut_assert(!unicode_test_u16_strcmp(buf, c1, 4));
f11a164b HS	318
	319	pos = buf;
	320	memset(buf, 0, sizeof(buf));
	321	utf8_utf16_strncpy(&pos, d2, 10);
	322	ut_asserteq(8, pos - buf);
	323	ut_assert(buf[4]);
bc19681a	324	ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
f11a164b HS	325
	326	pos = buf;
	327	memset(buf, 0, sizeof(buf));
	328	utf8_utf16_strncpy(&pos, d3, 2);
	329	ut_asserteq(2, pos - buf);
	330	ut_assert(!buf[2]);
bc19681a	331	ut_assert(!unicode_test_u16_strcmp(buf, c3, 2));
f11a164b HS	332
	333	pos = buf;
	334	memset(buf, 0, sizeof(buf));
	335	utf8_utf16_strncpy(&pos, d4, 2);
	336	ut_asserteq(4, pos - buf);
	337	ut_assert(!buf[4]);
bc19681a	338	ut_assert(!unicode_test_u16_strcmp(buf, c4, 4));
f11a164b HS	339
	340	pos = buf;
	341	memset(buf, 0, sizeof(buf));
	342	utf8_utf16_strncpy(&pos, d4, 10);
	343	ut_asserteq(6, pos - buf);
	344	ut_assert(buf[5]);
bc19681a	345	ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
f11a164b HS	346
	347	return 0;
	348	}
bc19681a	349	UNICODE_TEST(unicode_test_utf8_utf16_strncpy);
f11a164b	350
bc19681a	351	static int unicode_test_utf16_get(struct unit_test_state *uts)
f11a164b HS	352	{
	353	const u16 *s;
	354	s32 code;
	355	int i;
	356
	357	/* Check characters less than 0x10000 */
	358	s = c2;
	359	for (i = 0; i < 9; ++i) {
	360	code = utf16_get((const u16 **)&s);
	361	ut_asserteq(c2[i], code);
	362	if (!code)
	363	break;
	364	}
	365	ut_asserteq_ptr(c2 + 8, s);
	366
	367	/* Check character greater 0xffff */
	368	s = c4;
	369	code = utf16_get((const u16 **)&s);
	370	ut_asserteq(0x0001048d, code);
	371	ut_asserteq_ptr(c4 + 2, s);
	372
	373	return 0;
	374	}
bc19681a	375	UNICODE_TEST(unicode_test_utf16_get);
f11a164b	376
bc19681a	377	static int unicode_test_utf16_put(struct unit_test_state *uts)
f11a164b HS	378	{
	379	u16 buffer[4] = { 0, };
	380	u16 *pos;
	381
	382	/* Commercial at, translates to one word */
	383	pos = buffer;
	384	ut_assert(!utf16_put('@', &pos));
	385	ut_asserteq(1, pos - buffer);
	386	ut_asserteq((u16)'@', buffer[0]);
	387	ut_assert(!buffer[1]);
	388
	389	/* Hamster face, translates to two words */
	390	pos = buffer;
	391	ut_assert(!utf16_put(0x1f439, &pos));
	392	ut_asserteq(2, pos - buffer);
	393	ut_asserteq((u16)0xd83d, buffer[0]);
	394	ut_asserteq((u16)0xdc39, buffer[1]);
	395	ut_assert(!buffer[2]);
	396
	397	/* Illegal code */
	398	pos = buffer;
	399	ut_asserteq(-1, utf16_put(0xd888, &pos));
	400
	401	return 0;
	402	}
bc19681a	403	UNICODE_TEST(unicode_test_utf16_put);
f11a164b	404
bc19681a	405	static int unicode_test_utf16_strnlen(struct unit_test_state *uts)
f11a164b HS	406	{
	407	ut_asserteq(3, utf16_strnlen(c1, 3));
	408	ut_asserteq(6, utf16_strnlen(c1, 13));
	409	ut_asserteq(6, utf16_strnlen(c2, 6));
	410	ut_asserteq(2, utf16_strnlen(c3, 2));
	411	ut_asserteq(2, utf16_strnlen(c4, 2));
	412	ut_asserteq(3, utf16_strnlen(c4, 3));
	413
	414	/* illegal utf-16 word sequences */
	415	ut_asserteq(4, utf16_strnlen(i1, 16));
	416	ut_asserteq(4, utf16_strnlen(i2, 16));
	417	ut_asserteq(3, utf16_strnlen(i3, 16));
	418
	419	return 0;
	420	}
bc19681a	421	UNICODE_TEST(unicode_test_utf16_strnlen);
f11a164b	422
bc19681a	423	static int unicode_test_utf16_utf8_strlen(struct unit_test_state *uts)
f11a164b HS	424	{
	425	ut_asserteq(6, utf16_utf8_strlen(c1));
	426	ut_asserteq(9, utf16_utf8_strlen(c2));
	427	ut_asserteq(9, utf16_utf8_strlen(c3));
	428	ut_asserteq(12, utf16_utf8_strlen(c4));
	429
	430	/* illegal utf-16 word sequences */
	431	ut_asserteq(4, utf16_utf8_strlen(i1));
	432	ut_asserteq(4, utf16_utf8_strlen(i2));
	433	ut_asserteq(3, utf16_utf8_strlen(i3));
	434
	435	return 0;
	436	}
bc19681a	437	UNICODE_TEST(unicode_test_utf16_utf8_strlen);
f11a164b	438
bc19681a	439	static int unicode_test_utf16_utf8_strnlen(struct unit_test_state *uts)
f11a164b HS	440	{
	441	ut_asserteq(3, utf16_utf8_strnlen(c1, 3));
	442	ut_asserteq(6, utf16_utf8_strnlen(c1, 13));
	443	ut_asserteq(7, utf16_utf8_strnlen(c2, 6));
	444	ut_asserteq(6, utf16_utf8_strnlen(c3, 2));
	445	ut_asserteq(8, utf16_utf8_strnlen(c4, 2));
	446	ut_asserteq(12, utf16_utf8_strnlen(c4, 3));
	447	return 0;
	448	}
bc19681a	449	UNICODE_TEST(unicode_test_utf16_utf8_strnlen);
f11a164b	450
bc19681a	451	static int unicode_test_utf16_utf8_strcpy(struct unit_test_state *uts)
f11a164b HS	452	{
	453	char buf[16];
	454	char *pos;
	455
	456	pos = buf;
	457	utf16_utf8_strcpy(&pos, c1);
	458	ut_asserteq(6, pos - buf);
	459	ut_asserteq_str(d1, buf);
	460
	461	pos = buf;
	462	utf16_utf8_strcpy(&pos, c2);
	463	ut_asserteq(9, pos - buf);
	464	ut_asserteq_str(d2, buf);
	465
	466	pos = buf;
	467	utf16_utf8_strcpy(&pos, c3);
	468	ut_asserteq(9, pos - buf);
	469	ut_asserteq_str(d3, buf);
	470
	471	pos = buf;
	472	utf16_utf8_strcpy(&pos, c4);
	473	ut_asserteq(12, pos - buf);
	474	ut_asserteq_str(d4, buf);
	475
	476	/* Illegal utf-16 strings */
	477	pos = buf;
	478	utf16_utf8_strcpy(&pos, i1);
	479	ut_asserteq(4, pos - buf);
	480	ut_asserteq_str("i1?l", buf);
	481
	482	pos = buf;
	483	utf16_utf8_strcpy(&pos, i2);
	484	ut_asserteq(4, pos - buf);
	485	ut_asserteq_str("i2?l", buf);
	486
	487	pos = buf;
	488	utf16_utf8_strcpy(&pos, i3);
	489	ut_asserteq(3, pos - buf);
	490	ut_asserteq_str("i3?", buf);
	491
	492	return 0;
	493	}
bc19681a	494	UNICODE_TEST(unicode_test_utf16_utf8_strcpy);
f11a164b	495
bc19681a	496	static int unicode_test_utf16_utf8_strncpy(struct unit_test_state *uts)
f11a164b HS	497	{
	498	char buf[16];
	499	char *pos;
	500
	501	pos = buf;
	502	memset(buf, 0, sizeof(buf));
	503	utf16_utf8_strncpy(&pos, c1, 4);
	504	ut_asserteq(4, pos - buf);
	505	ut_assert(!buf[4]);
	506	ut_assert(!strncmp(buf, d1, 4));
	507
	508	pos = buf;
	509	memset(buf, 0, sizeof(buf));
	510	utf16_utf8_strncpy(&pos, c2, 10);
	511	ut_asserteq(9, pos - buf);
	512	ut_assert(buf[4]);
	513	ut_assert(!strncmp(buf, d2, SIZE_MAX));
	514
	515	pos = buf;
	516	memset(buf, 0, sizeof(buf));
	517	utf16_utf8_strncpy(&pos, c3, 2);
	518	ut_asserteq(6, pos - buf);
	519	ut_assert(!buf[6]);
	520	ut_assert(!strncmp(buf, d3, 6));
	521
	522	pos = buf;
	523	memset(buf, 0, sizeof(buf));
	524	utf16_utf8_strncpy(&pos, c4, 2);
	525	ut_asserteq(8, pos - buf);
	526	ut_assert(!buf[8]);
	527	ut_assert(!strncmp(buf, d4, 8));
	528
	529	pos = buf;
	530	memset(buf, 0, sizeof(buf));
	531	utf16_utf8_strncpy(&pos, c4, 10);
	532	ut_asserteq(12, pos - buf);
	533	ut_assert(buf[5]);
	534	ut_assert(!strncmp(buf, d4, SIZE_MAX));
	535
	536	return 0;
	537	}
bc19681a	538	UNICODE_TEST(unicode_test_utf16_utf8_strncpy);
f11a164b	539
bc19681a	540	static int unicode_test_utf_to_lower(struct unit_test_state *uts)
1a1012a1 HS	541	{
	542	ut_asserteq('@', utf_to_lower('@'));
	543	ut_asserteq('a', utf_to_lower('A'));
	544	ut_asserteq('z', utf_to_lower('Z'));
	545	ut_asserteq('[', utf_to_lower('['));
	546	ut_asserteq('m', utf_to_lower('m'));
	547	/* Latin letter O with diaresis (umlaut) */
	548	ut_asserteq(0x00f6, utf_to_lower(0x00d6));
	549	#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
	550	/* Cyrillic letter I*/
	551	ut_asserteq(0x0438, utf_to_lower(0x0418));
	552	#endif
	553	return 0;
	554	}
bc19681a	555	UNICODE_TEST(unicode_test_utf_to_lower);
1a1012a1	556
bc19681a	557	static int unicode_test_utf_to_upper(struct unit_test_state *uts)
1a1012a1 HS	558	{
	559	ut_asserteq('`', utf_to_upper('`'));
	560	ut_asserteq('A', utf_to_upper('a'));
	561	ut_asserteq('Z', utf_to_upper('z'));
	562	ut_asserteq('{', utf_to_upper('{'));
	563	ut_asserteq('M', utf_to_upper('M'));
	564	/* Latin letter O with diaresis (umlaut) */
	565	ut_asserteq(0x00d6, utf_to_upper(0x00f6));
	566	#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
	567	/* Cyrillic letter I */
	568	ut_asserteq(0x0418, utf_to_upper(0x0438));
	569	#endif
	570	return 0;
	571	}
bc19681a	572	UNICODE_TEST(unicode_test_utf_to_upper);
1a1012a1	573
79907a4f AT	574	static int unicode_test_u16_strncmp(struct unit_test_state *uts)
	575	{
	576	ut_assert(u16_strncmp(L"abc", L"abc", 3) == 0);
	577	ut_assert(u16_strncmp(L"abcdef", L"abcghi", 3) == 0);
	578	ut_assert(u16_strncmp(L"abcdef", L"abcghi", 6) < 0);
	579	ut_assert(u16_strncmp(L"abcghi", L"abcdef", 6) > 0);
	580	ut_assert(u16_strcmp(L"abc", L"abc") == 0);
	581	ut_assert(u16_strcmp(L"abcdef", L"deghi") < 0);
	582	ut_assert(u16_strcmp(L"deghi", L"abcdef") > 0);
	583	return 0;
	584	}
	585	UNICODE_TEST(unicode_test_u16_strncmp);
	586
efe3b5c8 HS	587	static int unicode_test_u16_strsize(struct unit_test_state *uts)
	588	{
	589	ut_asserteq_64(u16_strsize(c1), 14);
	590	ut_asserteq_64(u16_strsize(c2), 18);
	591	ut_asserteq_64(u16_strsize(c3), 8);
	592	ut_asserteq_64(u16_strsize(c4), 14);
	593	return 0;
	594	}
	595	UNICODE_TEST(unicode_test_u16_strsize);
	596
09140113	597	int do_ut_unicode(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
f11a164b HS	598	{
	599	struct unit_test *tests = ll_entry_start(struct unit_test, unicode_test);
	600	const int n_ents = ll_entry_count(struct unit_test, unicode_test);
	601
4ad4edfe PR	602	return cmd_ut_category("Unicode", "unicode_test_",
4ad4edfe PR	603	tests, n_ents, argc, argv);
f11a164b	604	}