| /* Grapheme cluster breaks test. |
| Copyright (C) 2010-2020 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify it |
| under the terms of the GNU Lesser 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Ben Pfaff <blp@cs.stanford.edu>, 2010. */ |
| |
| #include <config.h> |
| |
| /* Specification. */ |
| #include <unigbrk.h> |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "macros.h" |
| |
| static void |
| test_u16_grapheme_breaks (const char *expected, ...) |
| { |
| size_t n = strlen (expected); |
| uint16_t s[16]; |
| va_list args; |
| char breaks[16]; |
| size_t i; |
| |
| ASSERT (n <= 16); |
| |
| memset (breaks, 0xcc, n); |
| |
| va_start (args, expected); |
| for (i = 0; i < n; i++) |
| { |
| int unit = va_arg (args, int); |
| ASSERT (unit >= 0); |
| s[i] = unit; |
| } |
| ASSERT (va_arg (args, int) == -1); |
| va_end (args); |
| |
| u16_grapheme_breaks (s, n, breaks); |
| for (i = 0; i < n; i++) |
| if (breaks[i] != (expected[i] == '#')) |
| { |
| size_t j; |
| |
| fprintf (stderr, "wrong grapheme breaks:\n"); |
| |
| fprintf (stderr, " input:"); |
| for (j = 0; j < n; j++) |
| fprintf (stderr, " %02x", s[j]); |
| putc ('\n', stderr); |
| |
| fprintf (stderr, "expected:"); |
| for (j = 0; j < n; j++) |
| fprintf (stderr, " %d", expected[j] == '#'); |
| putc ('\n', stderr); |
| |
| fprintf (stderr, " actual:"); |
| for (j = 0; j < n; j++) |
| fprintf (stderr, " %d", breaks[j]); |
| putc ('\n', stderr); |
| |
| abort (); |
| } |
| } |
| |
| int |
| main (void) |
| { |
| /* Standalone 1-unit graphemes. */ |
| test_u16_grapheme_breaks ("#", 'a', -1); |
| test_u16_grapheme_breaks ("##", 'a', 'b', -1); |
| test_u16_grapheme_breaks ("###", 'a', 'b', 'c', -1); |
| |
| #define HIRAGANA_A 0x3042 /* あ: Hiragana letter 'a'. */ |
| test_u16_grapheme_breaks ("#", HIRAGANA_A, -1); |
| test_u16_grapheme_breaks ("##", HIRAGANA_A, 'x', -1); |
| test_u16_grapheme_breaks ("##", HIRAGANA_A, HIRAGANA_A, -1); |
| |
| /* Combining accents. */ |
| #define GRAVE 0x0300 /* Combining grave accent. */ |
| #define ACUTE 0x0301 /* Combining acute accent. */ |
| test_u16_grapheme_breaks ("#_", 'e', ACUTE, -1); |
| test_u16_grapheme_breaks ("#__", 'e', ACUTE, GRAVE, -1); |
| test_u16_grapheme_breaks ("#_#", 'e', ACUTE, 'x', -1); |
| test_u16_grapheme_breaks ("#_#_", 'e', ACUTE, 'e', GRAVE, -1); |
| |
| return 0; |
| } |