1 /* Grapheme cluster breaks test.
2 Copyright (C) 2010-2016 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify it
5 under the terms of the GNU Lesser General Public License as published
6 by the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Ben Pfaff <blp@cs.stanford.edu>, 2010. */
32 test_u32_grapheme_breaks (const char *expected, ...)
34 size_t n = strlen (expected);
42 memset (breaks, 0xcc, n);
44 va_start (args, expected);
45 for (i = 0; i < n; i++)
47 int unit = va_arg (args, int);
51 ASSERT (va_arg (args, int) == -1);
54 u32_grapheme_breaks (s, n, breaks);
55 for (i = 0; i < n; i++)
56 if (breaks[i] != (expected[i] == '#'))
60 fprintf (stderr, "wrong grapheme breaks:\n");
62 fprintf (stderr, " input:");
63 for (j = 0; j < n; j++)
64 fprintf (stderr, " %02x", s[j]);
67 fprintf (stderr, "expected:");
68 for (j = 0; j < n; j++)
69 fprintf (stderr, " %d", expected[j] == '#');
72 fprintf (stderr, " actual:");
73 for (j = 0; j < n; j++)
74 fprintf (stderr, " %d", breaks[j]);
84 /* Standalone 1-unit graphemes. */
85 test_u32_grapheme_breaks ("#", 'a', -1);
86 test_u32_grapheme_breaks ("##", 'a', 'b', -1);
87 test_u32_grapheme_breaks ("###", 'a', 'b', 'c', -1);
89 #define HIRAGANA_A 0x3042 /* あ: Hiragana letter 'a'. */
90 test_u32_grapheme_breaks ("#", HIRAGANA_A, -1);
91 test_u32_grapheme_breaks ("##", HIRAGANA_A, 'x', -1);
92 test_u32_grapheme_breaks ("##", HIRAGANA_A, HIRAGANA_A, -1);
94 /* Combining accents. */
95 #define GRAVE 0x0300 /* Combining grave accent. */
96 #define ACUTE 0x0301 /* Combining acute accent. */
97 test_u32_grapheme_breaks ("#_", 'e', ACUTE, -1);
98 test_u32_grapheme_breaks ("#__", 'e', ACUTE, GRAVE, -1);
99 test_u32_grapheme_breaks ("#_#", 'e', ACUTE, 'x', -1);
100 test_u32_grapheme_breaks ("#_#_", 'e', ACUTE, 'e', GRAVE, -1);