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/* Test of u8_check() function.
Copyright (C) 2010-2024 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
#include <config.h>
#include "unistr.h"
#include "macros.h"
int
main ()
{
/* Test empty string. */
{
static const uint8_t input[] = "";
ASSERT (u8_check (input, 0) == NULL);
}
/* Test valid non-empty string. */
{
static const uint8_t input[] = /* "Данило Шеган" */
"\320\224\320\260\320\275\320\270\320\273\320\276 \320\250\320\265\320\263\320\260\320\275";
ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
}
/* Test out-of-range character with 4 bytes: U+110000. */
{
static const uint8_t input[] = "\320\224\320\260\364\220\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test out-of-range character with 5 bytes: U+200000. */
{
static const uint8_t input[] = "\320\224\320\260\370\210\200\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test out-of-range character with 6 bytes: U+4000000. */
{
static const uint8_t input[] = "\320\224\320\260\374\204\200\200\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test invalid lead byte. */
{
static const uint8_t input[] = "\320\224\320\260\376\200\200\200\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\377\200\200\200\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test overlong 2-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\301\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test overlong 3-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\340\200\277";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test overlong 4-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\360\200\277\277";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test invalid bytes in 2-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\302\200";
ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
}
{
static const uint8_t input[] = "\320\224\320\260\302\100";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\302\300";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test invalid bytes in 3-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\342\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
}
{
static const uint8_t input[] = "\320\224\320\260\342\100\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\342\300\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\342\200\100";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\342\200\300";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test invalid bytes in 4-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\362\200\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == NULL);
}
{
static const uint8_t input[] = "\320\224\320\260\362\100\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\362\300\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\362\200\100\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\362\200\300\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\362\200\200\100";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\362\200\200\300";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test truncated/incomplete 2-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\302";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test truncated/incomplete 3-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\342\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test truncated/incomplete 4-byte character. */
{
static const uint8_t input[] = "\320\224\320\260\362\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test missing lead byte. */
{
static const uint8_t input[] = "\320\224\320\260\200\200\200\200\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
/* Test surrogate codepoints. */
{
static const uint8_t input[] = "\320\224\320\260\355\240\200\355\260\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
{
static const uint8_t input[] = "\320\224\320\260\355\260\200";
ASSERT (u8_check (input, sizeof (input) - 1) == input + 4);
}
return 0;
}
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