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/* Test of line breaking of UTF-8 strings.
Copyright (C) 2008-2022 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_u8_possible_linebreaks) (const uint8_t *, size_t, const char *, char *_UC_RESTRICT),
int version)
{
/* Test case n = 0. */
my_u8_possible_linebreaks (NULL, 0, "GB18030", NULL);
{
static const uint8_t input[91] =
/* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a) 日本語,中文,한글" */
"Gr\303\274\303\237 Gott. \320\227\320\264\321\200\320\260\320\262\321\201\321\202\320\262\321\203\320\271\321\202\320\265! x=(-b\302\261sqrt(b\302\262-4ac))/(2a) \346\227\245\346\234\254\350\252\236,\344\270\255\346\226\207,\355\225\234\352\270\200\n";
{
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "GB18030", p);
for (i = 0; i < 91; i++)
{
ASSERT (p[i] == (i == 90 ? UC_BREAK_MANDATORY :
i == 7
|| i == 13 || i == 39
|| i == 43
|| i == 61 || i == 67
|| i == 70 || i == 73 || i == 77 || i == 80
|| i == 84 || i == 87 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
{
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "GB2312", p);
for (i = 0; i < 91; i++)
{
ASSERT (p[i] == (i == 90 ? UC_BREAK_MANDATORY :
i == 7
|| i == 13 || i == 39
|| i == 43
|| i == 52 || i == 61 || i == 67
|| i == 70 || i == 73 || i == 77 || i == 80
|| i == 84 || i == 87 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
}
/* CR LF handling. */
{
static const uint8_t input[8] = "a\nb\rc\r\nd";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_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 uint8_t input[6] = "x\342\200\213 y";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 6; i++)
{
ASSERT (p[i] == (i == 5 ? UC_BREAK_POSSIBLE : UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test line breaking in a string with HTML markup. */
{
static const uint8_t input[21] = "<P>Some sentence.</P>";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_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 uint8_t input[24] =
"a\314\200\314\201e\314\200 \314\201o \314\200 o\302\240\314\200\n"
"\314\200";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 24; i++)
{
ASSERT (p[i] == (i == 21 ? UC_BREAK_MANDATORY :
i == 9 || i == 13 || i == 16 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test line breaking of zero-width joiners (U+200D). */
{
static const uint8_t input[101] =
"\346\234\211\347\204\241\347\252\256\345\244\232\345\200\213\347\264\240\346\225\270\343\200\202\n" /* "有無窮多個素數。" */
"\346\234\211\342\200\215\347\204\241\342\200\215\347\252\256\345\244\232\345\200\213\347\264\240\342\200\215\346\225\270\343\200\202\n"
"\344\275\240\342\200\224\344\270\215\n" /* "你—不" */
"\344\275\240\342\200\224\342\200\215\344\270\215\n"
"\342\230\235\360\237\217\277\n" /* "☝🏿" */
"\342\230\235\342\200\215\360\237\217\277\n";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 101; i++)
{
ASSERT (p[i] == (i == 24 || i == 58
|| i == 68 || i == 81
|| i == 89 || i == 100 ? UC_BREAK_MANDATORY :
i == 3 || i == 6 || i == 9 || i == 12 || i == 15 || i == 18
|| i == 40 || i == 43 || i == 46
|| i == 62 || i == 65
|| i == 72 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test line breaking of regional indicators. */
{
static const uint8_t input[16] =
"\360\237\207\251\360\237\207\252\360\237\207\253\360\237\207\267";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 16; i++)
{
ASSERT (p[i] == (i == 8 ? UC_BREAK_POSSIBLE : UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test special behaviour of hyphen/break-after character after
Hebrew letter. */
{
static const uint8_t input[15] = /* "ab-אב-αβ-ω" */
"ab-\327\220\327\221-\316\261\316\262-\317\211";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 15; i++)
{
ASSERT (p[i] == (i == 3 || i == 13 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test special behaviour before East Asian opening parenthesis (LB30). */
{
static const uint8_t input[49] = /* "日中韓統合漢字拡張G「ユニコード」" */
"\346\227\245\344\270\255\351\237\223\347\265\261\345\220\210\346\274\242"
"\345\255\227\346\213\241\345\274\265G\343\200\214\343\203\246"
"\343\203\213\343\202\263\343\203\274\343\203\211\343\200\215";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 49; i++)
{
ASSERT (p[i] == (i == 3 || i == 6 || i == 9 || i == 12 || i == 15
|| i == 18 || i == 21 || i == 24 || i == 27
|| i == 28 /* This is the desired break position. */
|| i == 34 || i == 37 || i == 43 ? UC_BREAK_POSSIBLE :
UC_BREAK_PROHIBITED));
}
free (p);
}
/* Test special behaviour of potential future emoji (LB30b). */
{
static const uint8_t input[8] = "\360\237\277\274\360\237\217\277";
char *p = (char *) malloc (SIZEOF (input));
size_t i;
my_u8_possible_linebreaks (input, SIZEOF (input), "UTF-8", p);
for (i = 0; i < 8; i++)
{
ASSERT (p[i] == UC_BREAK_PROHIBITED);
}
free (p);
}
}
int
main ()
{
test_function (u8_possible_linebreaks, 2);
#undef u8_possible_linebreaks
test_function (u8_possible_linebreaks, 1);
return 0;
}
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