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u-boot/test/unicode_ut.c
Simon Glass 336d4615f8 dm: core: Create a new header file for 'compat' features 
At present dm/device.h includes the linux-compatible features. This
requires including linux/compat.h which in turn includes a lot of headers.
One of these is malloc.h which we thus end up including in every file in
U-Boot. Apart from the inefficiency of this, it is problematic for sandbox
which needs to use the system malloc() in some files.

Move the compatibility features into a separate header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-02-05 19:33:46 -07:00

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// 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 <errno.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);
int do_ut_unicode(cmd_tbl_t *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);
}
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