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/* Test of line breaking of UTF-16 strings.
Copyright (C) 2008-2024 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>, 2008. */
#include <config.h>
#include "unilbrk.h"
#include <stdlib.h>
#include "macros.h"
static void
test_function (void (*my_u16_possible_linebreaks) (const uint16_t *, size_t, const char *, char *_UC_RESTRICT),
int version)
{
/* Test case n = 0. */
my_u16_possible_linebreaks (NULL, 0, "GB18030", NULL);
{
static const uint16_t input[61] =
/* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a) 日本語,中文,한글" */
{ 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
0x0439, 0x0442, 0x0435, '!', ' ',
'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
};
{
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "GB18030", p);
for (i = 0; i < 61; i++)
{
ASSERT (p[i] == (i == 60 ? UC_BREAK_MANDATORY :
i == 5
|| i == 11 || i == 25
|| i == 29
|| i == 45 || i == 51
|| i == 52 || i == 53 || i == 55 || i == 56
|| i == 58 || i == 59 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
{
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "GB2312", p);
for (i = 0; i < 61; i++)
{
ASSERT (p[i] == (i == 60 ? UC_BREAK_MANDATORY :
i == 5
|| i == 11 || i == 25
|| i == 29
|| i == 37 || i == 45 || i == 51
|| i == 52 || i == 53 || i == 55 || i == 56
|| i == 58 || i == 59 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
}
/* CR LF handling. */
{
static const uint16_t input[8] =
{ 'a', '\n', 'b', '\r', 'c', '\r', '\n', 'd' };
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 8; i++)
{
ASSERT (p[i] == (i == 1 || i == 3 || i == 6 ? UC_BREAK_MANDATORY :
i == 5 ? (version < 2 ? UC_BREAK_MANDATORY : UC_BREAK_CR_BEFORE_LF) :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test that a break is possible after a zero-width space followed by some
regular spaces (rule LB8 in Unicode TR#14 revision 26). */
{
static const uint16_t input[4] = { 'x', 0x200B, ' ', 'y' };
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 4; i++)
{
ASSERT (p[i] == (i == 3 ? UC_BREAK_POSSIBLE : UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test line breaking in a string with HTML markup. */
{
static const uint16_t input[21] =
{
'<', 'P', '>', 'S', 'o', 'm', 'e', ' ', 's', 'e', 'n', 't',
'e', 'n', 'c', 'e', '.', '<', '/', 'P', '>'
};
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 21; i++)
{
ASSERT (p[i] == (i == 8 || i == 17 || i == 19 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test line breaking of combining marks. */
{
static const uint16_t input[16] =
{
'a', 0x0300, 0x0301, 'e', 0x0300, ' ', 0x0301, 'o', ' ', 0x0300, ' ',
'o', 0x0A00, 0x0300, '\n',
0x0300
};
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 16; i++)
{
ASSERT (p[i] == (i == 14 ? UC_BREAK_MANDATORY :
i == 6 || i == 9 || i == 11 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test line breaking of zero-width joiners (U+200D). */
{
static const uint16_t input[39] =
{
0x6709, 0x7121, 0x7AAE, 0x591A, 0x500B, 0x7D20, 0x6578, 0x3002, '\n',
0x6709, 0x200D, 0x7121, 0x200D, 0x7AAE, 0x591A, 0x500B, 0x7D20, 0x200D, 0x6578, 0x3002, '\n',
0x4F60, 0x2014, 0x4E0D, '\n',
0x4F60, 0x2014, 0x200D, 0x4E0D, '\n',
0x261D, 0xD83C, 0xDFFF, '\n',
0x261D, 0x200D, 0xD83C, 0xDFFF, '\n',
};
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 39; i++)
{
ASSERT (p[i] == (i == 8 || i == 20
|| i == 24 || i == 29
|| i == 33 || i == 38 ? UC_BREAK_MANDATORY :
i == 1 || i == 2 || i == 3 || i == 4 || i == 5 || i == 6
|| i == 14 || i == 15 || i == 16
|| i == 22 || i == 23
|| i == 26 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test line breaking of regional indicators. */
{
static const uint16_t input[8] =
{ 0xD83C, 0xDDE9, 0xD83C, 0xDDEA, 0xD83C, 0xDDEB, 0xD83C, 0xDDF7 };
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 8; i++)
{
ASSERT (p[i] == (i == 4 ? UC_BREAK_POSSIBLE : UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test special behaviour of hyphen/break-after character after
Hebrew letter. */
{
static const uint16_t input[10] = /* "ab-אב-αβ-ω" */
{ 'a', 'b', '-', 0x05D0, 0x05D1, '-', 0x03B1, 0x03B2, '-', 0x03C9 };
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 10; i++)
{
ASSERT (p[i] == (i == 3 || i == 9 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test special behaviour before East Asian opening parenthesis (LB30). */
{
static const uint16_t input[17] = /* "日中韓統合漢字拡張G「ユニコード」" */
{
0x65E5, 0x4E2D, 0x97D3, 0x7D71, 0x5408, 0x6F22, 0x5B57, 0x62E1, 0x5F35,
'G', 0x300C, 0x30E6, 0x30CB, 0x30B3, 0x30FC, 0x30C9, 0x300D
};
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 17; i++)
{
ASSERT (p[i] == (i == 1 || i == 2 || i == 3 || i == 4 || i == 5
|| i == 6 || i == 7 || i == 8 || i == 9
|| i == 10 /* This is the desired break position. */
|| i == 12 || i == 13 || i == 15 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test special behaviour of potential future emoji (LB30b). */
{
static const uint16_t input[4] = { 0xD83F, 0xDFFC, 0xD83C, 0xDFFF };
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u16_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 4; i++)
{
ASSERT (p[i] == UC_BREAK_PROHIBITED);
}
free (p);
}
}
int
main ()
{
test_function (u16_possible_linebreaks, 2);
#ifdef IN_LIBUNISTRING_GNULIB_TESTS
# undef u16_possible_linebreaks
test_function (u16_possible_linebreaks, 1);
#endif
return 0;
}
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