| /* 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 <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "macros.h" |
| |
| static void |
| test_u8_grapheme_breaks (const char *input, const char *expected) |
| { |
| const uint8_t *s = (const uint8_t *) input; |
| size_t n = strlen (expected); |
| char *breaks; |
| size_t i; |
| |
| breaks = malloc (n); |
| if (!breaks) |
| abort (); |
| memset (breaks, 0xcc, n); |
| |
| u8_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 (); |
| } |
| |
| free (breaks); |
| } |
| |
| int |
| main (void) |
| { |
| /* Standalone 1-unit graphemes. */ |
| test_u8_grapheme_breaks ("a", "#"); |
| test_u8_grapheme_breaks ("ab", "##"); |
| test_u8_grapheme_breaks ("abc", "###"); |
| |
| /* Multi-unit, single code point graphemes. */ |
| #define HIRAGANA_A "\343\201\202" /* あ: Hiragana letter 'a'. */ |
| test_u8_grapheme_breaks (HIRAGANA_A, "#__"); |
| test_u8_grapheme_breaks (HIRAGANA_A"x", "#__#"); |
| test_u8_grapheme_breaks (HIRAGANA_A HIRAGANA_A, "#__#__"); |
| |
| /* Combining accents. */ |
| #define GRAVE "\314\200" /* Combining grave accent. */ |
| #define ACUTE "\314\201" /* Combining acute accent. */ |
| test_u8_grapheme_breaks ("e"ACUTE, "#__"); |
| test_u8_grapheme_breaks ("e"ACUTE GRAVE, "#____"); |
| test_u8_grapheme_breaks ("e"ACUTE"x", "#__#"); |
| test_u8_grapheme_breaks ("e"ACUTE "e"ACUTE, "#__#__"); |
| |
| return 0; |
| } |