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https://github.com/brain-hackers/u-boot-brain
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fe179d7fb5
Although the function description states the caller must provide a sufficient buffer, it's better to have in function checks that the destination buffer can hold the intended value. So let's add an extra argument with the buffer size and check that before doing any copying. Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
624 lines
16 KiB
C
624 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Unit tests for Unicode functions
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*
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* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*/
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#include <common.h>
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#include <charset.h>
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#include <command.h>
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#include <efi_loader.h>
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#include <errno.h>
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#include <log.h>
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#include <malloc.h>
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#include <test/test.h>
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#include <test/suites.h>
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#include <test/ut.h>
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/* Linker list entry for a Unicode test */
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#define UNICODE_TEST(_name) UNIT_TEST(_name, 0, unicode_test)
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/* Constants c1-c4 and d1-d4 encode the same letters */
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/* Six characters translating to one utf-8 byte each. */
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static const u16 c1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
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/* One character translating to two utf-8 bytes */
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static const u16 c2[] = {0x6b, 0x61, 0x66, 0x62, 0xe1, 0x74, 0x75, 0x72, 0x00};
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/* Three characters translating to three utf-8 bytes each */
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static const u16 c3[] = {0x6f5c, 0x6c34, 0x8266, 0x00};
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/* Three letters translating to four utf-8 bytes each */
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static const u16 c4[] = {0xd801, 0xdc8d, 0xd801, 0xdc96, 0xd801, 0xdc87,
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0x0000};
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/* Illegal utf-16 strings */
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static const u16 i1[] = {0x69, 0x31, 0xdc87, 0x6c, 0x00};
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static const u16 i2[] = {0x69, 0x32, 0xd801, 0xd801, 0x6c, 0x00};
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static const u16 i3[] = {0x69, 0x33, 0xd801, 0x00};
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/* Six characters translating to one utf-16 word each. */
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static const char d1[] = {0x55, 0x2d, 0x42, 0x6f, 0x6f, 0x74, 0x00};
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/* Eight characters translating to one utf-16 word each */
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static const char d2[] = {0x6b, 0x61, 0x66, 0x62, 0xc3, 0xa1, 0x74, 0x75,
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0x72, 0x00};
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/* Three characters translating to one utf-16 word each */
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static const char d3[] = {0xe6, 0xbd, 0x9c, 0xe6, 0xb0, 0xb4, 0xe8, 0x89,
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0xa6, 0x00};
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/* Three letters translating to two utf-16 word each */
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static const char d4[] = {0xf0, 0x90, 0x92, 0x8d, 0xf0, 0x90, 0x92, 0x96,
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0xf0, 0x90, 0x92, 0x87, 0x00};
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/* Illegal utf-8 strings */
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static const char j1[] = {0x6a, 0x31, 0xa1, 0x6c, 0x00};
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static const char j2[] = {0x6a, 0x32, 0xc3, 0xc3, 0x6c, 0x00};
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static const char j3[] = {0x6a, 0x33, 0xf0, 0x90, 0xf0, 0x00};
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static int unicode_test_u16_strlen(struct unit_test_state *uts)
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{
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ut_asserteq(6, u16_strlen(c1));
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ut_asserteq(8, u16_strlen(c2));
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ut_asserteq(3, u16_strlen(c3));
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ut_asserteq(6, u16_strlen(c4));
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return 0;
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}
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UNICODE_TEST(unicode_test_u16_strlen);
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static int unicode_test_u16_strdup(struct unit_test_state *uts)
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{
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u16 *copy = u16_strdup(c4);
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ut_assert(copy != c4);
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ut_asserteq_mem(copy, c4, sizeof(c4));
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free(copy);
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return 0;
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}
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UNICODE_TEST(unicode_test_u16_strdup);
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static int unicode_test_u16_strcpy(struct unit_test_state *uts)
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{
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u16 *r;
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u16 copy[10];
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r = u16_strcpy(copy, c1);
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ut_assert(r == copy);
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ut_asserteq_mem(copy, c1, sizeof(c1));
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return 0;
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}
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UNICODE_TEST(unicode_test_u16_strcpy);
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/* U-Boot uses UTF-16 strings in the EFI context only. */
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#if CONFIG_IS_ENABLED(EFI_LOADER) && !defined(API_BUILD)
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static int unicode_test_string16(struct unit_test_state *uts)
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{
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char buf[20];
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/* Test length and precision */
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memset(buf, 0xff, sizeof(buf));
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sprintf(buf, "%8.6ls", c2);
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ut_asserteq(' ', buf[1]);
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ut_assert(!strncmp(&buf[2], d2, 7));
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ut_assert(!buf[9]);
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memset(buf, 0xff, sizeof(buf));
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sprintf(buf, "%8.6ls", c4);
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ut_asserteq(' ', buf[4]);
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ut_assert(!strncmp(&buf[5], d4, 12));
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ut_assert(!buf[17]);
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memset(buf, 0xff, sizeof(buf));
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sprintf(buf, "%-8.2ls", c4);
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ut_asserteq(' ', buf[8]);
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ut_assert(!strncmp(buf, d4, 8));
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ut_assert(!buf[14]);
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/* Test handling of illegal utf-16 sequences */
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memset(buf, 0xff, sizeof(buf));
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sprintf(buf, "%ls", i1);
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ut_asserteq_str("i1?l", buf);
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memset(buf, 0xff, sizeof(buf));
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sprintf(buf, "%ls", i2);
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ut_asserteq_str("i2?l", buf);
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memset(buf, 0xff, sizeof(buf));
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sprintf(buf, "%ls", i3);
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ut_asserteq_str("i3?", buf);
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return 0;
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}
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UNICODE_TEST(unicode_test_string16);
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#endif
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static int unicode_test_utf8_get(struct unit_test_state *uts)
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{
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const char *s;
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s32 code;
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int i;
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/* Check characters less than 0x800 */
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s = d2;
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for (i = 0; i < 8; ++i) {
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code = utf8_get((const char **)&s);
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/* c2 is the utf-8 encoding of d2 */
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ut_asserteq(c2[i], code);
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if (!code)
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break;
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}
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ut_asserteq_ptr(s, d2 + 9)
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/* Check characters less than 0x10000 */
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s = d3;
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for (i = 0; i < 4; ++i) {
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code = utf8_get((const char **)&s);
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/* c3 is the utf-8 encoding of d3 */
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ut_asserteq(c3[i], code);
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if (!code)
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break;
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}
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ut_asserteq_ptr(s, d3 + 9)
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/* Check character greater 0xffff */
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s = d4;
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code = utf8_get((const char **)&s);
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ut_asserteq(0x0001048d, code);
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ut_asserteq_ptr(s, d4 + 4);
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return 0;
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}
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UNICODE_TEST(unicode_test_utf8_get);
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static int unicode_test_utf8_put(struct unit_test_state *uts)
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{
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char buffer[8] = { 0, };
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char *pos;
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/* Commercial at, translates to one character */
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pos = buffer;
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ut_assert(!utf8_put('@', &pos))
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ut_asserteq(1, pos - buffer);
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ut_asserteq('@', buffer[0]);
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ut_assert(!buffer[1]);
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/* Latin letter G with acute, translates to two charactes */
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pos = buffer;
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ut_assert(!utf8_put(0x1f4, &pos));
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ut_asserteq(2, pos - buffer);
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ut_asserteq_str("\xc7\xb4", buffer);
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/* Tagalog letter i, translates to three characters */
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pos = buffer;
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ut_assert(!utf8_put(0x1701, &pos));
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ut_asserteq(3, pos - buffer);
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ut_asserteq_str("\xe1\x9c\x81", buffer);
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/* Hamster face, translates to four characters */
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pos = buffer;
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ut_assert(!utf8_put(0x1f439, &pos));
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ut_asserteq(4, pos - buffer);
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ut_asserteq_str("\xf0\x9f\x90\xb9", buffer);
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/* Illegal code */
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pos = buffer;
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ut_asserteq(-1, utf8_put(0xd888, &pos));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf8_put);
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static int unicode_test_utf8_utf16_strlen(struct unit_test_state *uts)
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{
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ut_asserteq(6, utf8_utf16_strlen(d1));
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ut_asserteq(8, utf8_utf16_strlen(d2));
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ut_asserteq(3, utf8_utf16_strlen(d3));
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ut_asserteq(6, utf8_utf16_strlen(d4));
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/* illegal utf-8 sequences */
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ut_asserteq(4, utf8_utf16_strlen(j1));
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ut_asserteq(4, utf8_utf16_strlen(j2));
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ut_asserteq(3, utf8_utf16_strlen(j3));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf8_utf16_strlen);
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static int unicode_test_utf8_utf16_strnlen(struct unit_test_state *uts)
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{
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ut_asserteq(3, utf8_utf16_strnlen(d1, 3));
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ut_asserteq(6, utf8_utf16_strnlen(d1, 13));
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ut_asserteq(6, utf8_utf16_strnlen(d2, 6));
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ut_asserteq(2, utf8_utf16_strnlen(d3, 2));
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ut_asserteq(4, utf8_utf16_strnlen(d4, 2));
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ut_asserteq(6, utf8_utf16_strnlen(d4, 3));
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/* illegal utf-8 sequences */
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ut_asserteq(4, utf8_utf16_strnlen(j1, 16));
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ut_asserteq(4, utf8_utf16_strnlen(j2, 16));
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ut_asserteq(3, utf8_utf16_strnlen(j3, 16));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf8_utf16_strnlen);
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/**
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* ut_u16_strcmp() - Compare to u16 strings.
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*
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* @a1: first string
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* @a2: second string
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* @count: number of u16 to compare
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* Return: -1 if a1 < a2, 0 if a1 == a2, 1 if a1 > a2
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*/
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static int unicode_test_u16_strcmp(const u16 *a1, const u16 *a2, size_t count)
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{
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for (; (*a1 || *a2) && count; ++a1, ++a2, --count) {
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if (*a1 < *a2)
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return -1;
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if (*a1 > *a2)
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return 1;
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}
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return 0;
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}
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static int unicode_test_utf8_utf16_strcpy(struct unit_test_state *uts)
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{
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u16 buf[16];
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u16 *pos;
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pos = buf;
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utf8_utf16_strcpy(&pos, d1);
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ut_asserteq(6, pos - buf);
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ut_assert(!unicode_test_u16_strcmp(buf, c1, SIZE_MAX));
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pos = buf;
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utf8_utf16_strcpy(&pos, d2);
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ut_asserteq(8, pos - buf);
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ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
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pos = buf;
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utf8_utf16_strcpy(&pos, d3);
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ut_asserteq(3, pos - buf);
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ut_assert(!unicode_test_u16_strcmp(buf, c3, SIZE_MAX));
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pos = buf;
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utf8_utf16_strcpy(&pos, d4);
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ut_asserteq(6, pos - buf);
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ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
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/* Illegal utf-8 strings */
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pos = buf;
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utf8_utf16_strcpy(&pos, j1);
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ut_asserteq(4, pos - buf);
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ut_assert(!unicode_test_u16_strcmp(buf, L"j1?l", SIZE_MAX));
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pos = buf;
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utf8_utf16_strcpy(&pos, j2);
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ut_asserteq(4, pos - buf);
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ut_assert(!unicode_test_u16_strcmp(buf, L"j2?l", SIZE_MAX));
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pos = buf;
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utf8_utf16_strcpy(&pos, j3);
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ut_asserteq(3, pos - buf);
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ut_assert(!unicode_test_u16_strcmp(buf, L"j3?", SIZE_MAX));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf8_utf16_strcpy);
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static int unicode_test_utf8_utf16_strncpy(struct unit_test_state *uts)
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{
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u16 buf[16];
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u16 *pos;
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pos = buf;
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memset(buf, 0, sizeof(buf));
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utf8_utf16_strncpy(&pos, d1, 4);
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ut_asserteq(4, pos - buf);
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ut_assert(!buf[4]);
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ut_assert(!unicode_test_u16_strcmp(buf, c1, 4));
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pos = buf;
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memset(buf, 0, sizeof(buf));
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utf8_utf16_strncpy(&pos, d2, 10);
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ut_asserteq(8, pos - buf);
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ut_assert(buf[4]);
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ut_assert(!unicode_test_u16_strcmp(buf, c2, SIZE_MAX));
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pos = buf;
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memset(buf, 0, sizeof(buf));
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utf8_utf16_strncpy(&pos, d3, 2);
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ut_asserteq(2, pos - buf);
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ut_assert(!buf[2]);
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ut_assert(!unicode_test_u16_strcmp(buf, c3, 2));
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pos = buf;
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memset(buf, 0, sizeof(buf));
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utf8_utf16_strncpy(&pos, d4, 2);
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ut_asserteq(4, pos - buf);
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ut_assert(!buf[4]);
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ut_assert(!unicode_test_u16_strcmp(buf, c4, 4));
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pos = buf;
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memset(buf, 0, sizeof(buf));
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utf8_utf16_strncpy(&pos, d4, 10);
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ut_asserteq(6, pos - buf);
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ut_assert(buf[5]);
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ut_assert(!unicode_test_u16_strcmp(buf, c4, SIZE_MAX));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf8_utf16_strncpy);
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static int unicode_test_utf16_get(struct unit_test_state *uts)
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{
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const u16 *s;
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s32 code;
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int i;
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/* Check characters less than 0x10000 */
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s = c2;
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for (i = 0; i < 9; ++i) {
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code = utf16_get((const u16 **)&s);
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ut_asserteq(c2[i], code);
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if (!code)
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break;
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}
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ut_asserteq_ptr(c2 + 8, s);
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/* Check character greater 0xffff */
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s = c4;
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code = utf16_get((const u16 **)&s);
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ut_asserteq(0x0001048d, code);
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ut_asserteq_ptr(c4 + 2, s);
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return 0;
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}
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UNICODE_TEST(unicode_test_utf16_get);
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static int unicode_test_utf16_put(struct unit_test_state *uts)
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{
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u16 buffer[4] = { 0, };
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u16 *pos;
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/* Commercial at, translates to one word */
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pos = buffer;
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ut_assert(!utf16_put('@', &pos));
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ut_asserteq(1, pos - buffer);
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ut_asserteq((u16)'@', buffer[0]);
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ut_assert(!buffer[1]);
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/* Hamster face, translates to two words */
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pos = buffer;
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ut_assert(!utf16_put(0x1f439, &pos));
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ut_asserteq(2, pos - buffer);
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ut_asserteq((u16)0xd83d, buffer[0]);
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ut_asserteq((u16)0xdc39, buffer[1]);
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ut_assert(!buffer[2]);
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/* Illegal code */
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pos = buffer;
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ut_asserteq(-1, utf16_put(0xd888, &pos));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf16_put);
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static int unicode_test_utf16_strnlen(struct unit_test_state *uts)
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{
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ut_asserteq(3, utf16_strnlen(c1, 3));
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ut_asserteq(6, utf16_strnlen(c1, 13));
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ut_asserteq(6, utf16_strnlen(c2, 6));
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ut_asserteq(2, utf16_strnlen(c3, 2));
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ut_asserteq(2, utf16_strnlen(c4, 2));
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ut_asserteq(3, utf16_strnlen(c4, 3));
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/* illegal utf-16 word sequences */
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ut_asserteq(4, utf16_strnlen(i1, 16));
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ut_asserteq(4, utf16_strnlen(i2, 16));
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ut_asserteq(3, utf16_strnlen(i3, 16));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf16_strnlen);
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static int unicode_test_utf16_utf8_strlen(struct unit_test_state *uts)
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{
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ut_asserteq(6, utf16_utf8_strlen(c1));
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ut_asserteq(9, utf16_utf8_strlen(c2));
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ut_asserteq(9, utf16_utf8_strlen(c3));
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ut_asserteq(12, utf16_utf8_strlen(c4));
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/* illegal utf-16 word sequences */
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ut_asserteq(4, utf16_utf8_strlen(i1));
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ut_asserteq(4, utf16_utf8_strlen(i2));
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ut_asserteq(3, utf16_utf8_strlen(i3));
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return 0;
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}
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UNICODE_TEST(unicode_test_utf16_utf8_strlen);
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static int unicode_test_utf16_utf8_strnlen(struct unit_test_state *uts)
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{
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ut_asserteq(3, utf16_utf8_strnlen(c1, 3));
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ut_asserteq(6, utf16_utf8_strnlen(c1, 13));
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ut_asserteq(7, utf16_utf8_strnlen(c2, 6));
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ut_asserteq(6, utf16_utf8_strnlen(c3, 2));
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|
ut_asserteq(8, utf16_utf8_strnlen(c4, 2));
|
|
ut_asserteq(12, utf16_utf8_strnlen(c4, 3));
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_utf16_utf8_strnlen);
|
|
|
|
static int unicode_test_utf16_utf8_strcpy(struct unit_test_state *uts)
|
|
{
|
|
char buf[16];
|
|
char *pos;
|
|
|
|
pos = buf;
|
|
utf16_utf8_strcpy(&pos, c1);
|
|
ut_asserteq(6, pos - buf);
|
|
ut_asserteq_str(d1, buf);
|
|
|
|
pos = buf;
|
|
utf16_utf8_strcpy(&pos, c2);
|
|
ut_asserteq(9, pos - buf);
|
|
ut_asserteq_str(d2, buf);
|
|
|
|
pos = buf;
|
|
utf16_utf8_strcpy(&pos, c3);
|
|
ut_asserteq(9, pos - buf);
|
|
ut_asserteq_str(d3, buf);
|
|
|
|
pos = buf;
|
|
utf16_utf8_strcpy(&pos, c4);
|
|
ut_asserteq(12, pos - buf);
|
|
ut_asserteq_str(d4, buf);
|
|
|
|
/* Illegal utf-16 strings */
|
|
pos = buf;
|
|
utf16_utf8_strcpy(&pos, i1);
|
|
ut_asserteq(4, pos - buf);
|
|
ut_asserteq_str("i1?l", buf);
|
|
|
|
pos = buf;
|
|
utf16_utf8_strcpy(&pos, i2);
|
|
ut_asserteq(4, pos - buf);
|
|
ut_asserteq_str("i2?l", buf);
|
|
|
|
pos = buf;
|
|
utf16_utf8_strcpy(&pos, i3);
|
|
ut_asserteq(3, pos - buf);
|
|
ut_asserteq_str("i3?", buf);
|
|
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_utf16_utf8_strcpy);
|
|
|
|
static int unicode_test_utf16_utf8_strncpy(struct unit_test_state *uts)
|
|
{
|
|
char buf[16];
|
|
char *pos;
|
|
|
|
pos = buf;
|
|
memset(buf, 0, sizeof(buf));
|
|
utf16_utf8_strncpy(&pos, c1, 4);
|
|
ut_asserteq(4, pos - buf);
|
|
ut_assert(!buf[4]);
|
|
ut_assert(!strncmp(buf, d1, 4));
|
|
|
|
pos = buf;
|
|
memset(buf, 0, sizeof(buf));
|
|
utf16_utf8_strncpy(&pos, c2, 10);
|
|
ut_asserteq(9, pos - buf);
|
|
ut_assert(buf[4]);
|
|
ut_assert(!strncmp(buf, d2, SIZE_MAX));
|
|
|
|
pos = buf;
|
|
memset(buf, 0, sizeof(buf));
|
|
utf16_utf8_strncpy(&pos, c3, 2);
|
|
ut_asserteq(6, pos - buf);
|
|
ut_assert(!buf[6]);
|
|
ut_assert(!strncmp(buf, d3, 6));
|
|
|
|
pos = buf;
|
|
memset(buf, 0, sizeof(buf));
|
|
utf16_utf8_strncpy(&pos, c4, 2);
|
|
ut_asserteq(8, pos - buf);
|
|
ut_assert(!buf[8]);
|
|
ut_assert(!strncmp(buf, d4, 8));
|
|
|
|
pos = buf;
|
|
memset(buf, 0, sizeof(buf));
|
|
utf16_utf8_strncpy(&pos, c4, 10);
|
|
ut_asserteq(12, pos - buf);
|
|
ut_assert(buf[5]);
|
|
ut_assert(!strncmp(buf, d4, SIZE_MAX));
|
|
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_utf16_utf8_strncpy);
|
|
|
|
static int unicode_test_utf_to_lower(struct unit_test_state *uts)
|
|
{
|
|
ut_asserteq('@', utf_to_lower('@'));
|
|
ut_asserteq('a', utf_to_lower('A'));
|
|
ut_asserteq('z', utf_to_lower('Z'));
|
|
ut_asserteq('[', utf_to_lower('['));
|
|
ut_asserteq('m', utf_to_lower('m'));
|
|
/* Latin letter O with diaresis (umlaut) */
|
|
ut_asserteq(0x00f6, utf_to_lower(0x00d6));
|
|
#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
|
|
/* Cyrillic letter I*/
|
|
ut_asserteq(0x0438, utf_to_lower(0x0418));
|
|
#endif
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_utf_to_lower);
|
|
|
|
static int unicode_test_utf_to_upper(struct unit_test_state *uts)
|
|
{
|
|
ut_asserteq('`', utf_to_upper('`'));
|
|
ut_asserteq('A', utf_to_upper('a'));
|
|
ut_asserteq('Z', utf_to_upper('z'));
|
|
ut_asserteq('{', utf_to_upper('{'));
|
|
ut_asserteq('M', utf_to_upper('M'));
|
|
/* Latin letter O with diaresis (umlaut) */
|
|
ut_asserteq(0x00d6, utf_to_upper(0x00f6));
|
|
#ifdef CONFIG_EFI_UNICODE_CAPITALIZATION
|
|
/* Cyrillic letter I */
|
|
ut_asserteq(0x0418, utf_to_upper(0x0438));
|
|
#endif
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_utf_to_upper);
|
|
|
|
static int unicode_test_u16_strncmp(struct unit_test_state *uts)
|
|
{
|
|
ut_assert(u16_strncmp(L"abc", L"abc", 3) == 0);
|
|
ut_assert(u16_strncmp(L"abcdef", L"abcghi", 3) == 0);
|
|
ut_assert(u16_strncmp(L"abcdef", L"abcghi", 6) < 0);
|
|
ut_assert(u16_strncmp(L"abcghi", L"abcdef", 6) > 0);
|
|
ut_assert(u16_strcmp(L"abc", L"abc") == 0);
|
|
ut_assert(u16_strcmp(L"abcdef", L"deghi") < 0);
|
|
ut_assert(u16_strcmp(L"deghi", L"abcdef") > 0);
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_u16_strncmp);
|
|
|
|
static int unicode_test_u16_strsize(struct unit_test_state *uts)
|
|
{
|
|
ut_asserteq_64(u16_strsize(c1), 14);
|
|
ut_asserteq_64(u16_strsize(c2), 18);
|
|
ut_asserteq_64(u16_strsize(c3), 8);
|
|
ut_asserteq_64(u16_strsize(c4), 14);
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_u16_strsize);
|
|
|
|
#ifdef CONFIG_EFI_LOADER
|
|
static int unicode_test_efi_create_indexed_name(struct unit_test_state *uts)
|
|
{
|
|
u16 buf[16];
|
|
u16 const expected[] = L"Capsule0AF9";
|
|
u16 *pos;
|
|
|
|
memset(buf, 0xeb, sizeof(buf));
|
|
pos = efi_create_indexed_name(buf, sizeof(buf), "Capsule", 0x0af9);
|
|
|
|
ut_asserteq_mem(expected, buf, sizeof(expected));
|
|
ut_asserteq(pos - buf, u16_strnlen(buf, SIZE_MAX));
|
|
|
|
return 0;
|
|
}
|
|
UNICODE_TEST(unicode_test_efi_create_indexed_name);
|
|
#endif
|
|
|
|
int do_ut_unicode(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
|
|
{
|
|
struct unit_test *tests = ll_entry_start(struct unit_test, unicode_test);
|
|
const int n_ents = ll_entry_count(struct unit_test, unicode_test);
|
|
|
|
return cmd_ut_category("Unicode", "unicode_test_",
|
|
tests, n_ents, argc, argv);
|
|
}
|