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author | Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com> | 2016-05-27 14:35:16 +0100 |
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committer | Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com> | 2016-05-27 14:35:16 +0100 |
commit | 3590c846d4c2febbc05b4ad6b14a06edc549e453 (patch) | |
tree | e5d38581c2f36e1cca02efedd2d85044d77f76f9 /tests/unigbrk/test-u32-grapheme-next.c | |
parent | a9a31b1de5776a3b08a82101a4fa711294f0dd1d (diff) |
Imported Upstream version 0.9.6+really0.9.6upstream/0.9.6+really0.9.6
Diffstat (limited to 'tests/unigbrk/test-u32-grapheme-next.c')
-rw-r--r-- | tests/unigbrk/test-u32-grapheme-next.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/tests/unigbrk/test-u32-grapheme-next.c b/tests/unigbrk/test-u32-grapheme-next.c new file mode 100644 index 00000000..4fc6498e --- /dev/null +++ b/tests/unigbrk/test-u32-grapheme-next.c @@ -0,0 +1,103 @@ +/* Next grapheme cluster length test. + Copyright (C) 2010-2015 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 <http://www.gnu.org/licenses/>. */ + +/* Written by Ben Pfaff <blp@cs.stanford.edu>, 2010. */ + +#include <config.h> + +/* Specification. */ +#include <unigbrk.h> + +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> + +#include "macros.h" + +static void +test_u32_grapheme_next (size_t len, ...) +{ + const uint32_t *next; + uint32_t s[32]; + va_list args; + size_t n; + + va_start (args, len); + n = 0; + for (;;) + { + int unit = va_arg (args, int); + if (unit == -1) + break; + else if (n >= sizeof s / sizeof *s) + abort (); + + s[n++] = unit; + } + va_end (args); + + next = u32_grapheme_next (s, s + n); + if (next != s + len) + { + size_t i; + + if (next == NULL) + fputs ("u32_grapheme_next returned NULL", stderr); + else + fprintf (stderr, "u32_grapheme_next skipped %zu units", next - s); + fprintf (stderr, ", expected %zu:\n", len); + for (i = 0; i < n; i++) + fprintf (stderr, " %04x", s[i]); + putc ('\n', stderr); + abort (); + } +} + +int +main (void) +{ + static const uint32_t s[] = { 'a', 'b', 'c' }; + + /* Empty string. */ + ASSERT (u32_grapheme_next (NULL, NULL) == NULL); + ASSERT (u32_grapheme_next (s, s) == NULL); + + /* Standalone 1-unit graphemes. */ + test_u32_grapheme_next (1, 'a', -1); + test_u32_grapheme_next (1, 'a', 'b', -1); + test_u32_grapheme_next (1, 'a', 'b', 'c', -1); + + /* Multi-unit, single code point graphemes. */ +#define HIRAGANA_A 0x3042 /* あ: Hiragana letter 'a'. */ + test_u32_grapheme_next (1, HIRAGANA_A, -1); + test_u32_grapheme_next (1, HIRAGANA_A, 'x', -1); + test_u32_grapheme_next (1, HIRAGANA_A, HIRAGANA_A, -1); + + /* Combining accents. */ +#define GRAVE 0x0300 /* Combining grave accent. */ +#define ACUTE 0x0301 /* Combining acute accent. */ + test_u32_grapheme_next (2, 'e', ACUTE, -1); + test_u32_grapheme_next (3, 'e', ACUTE, GRAVE, -1); + test_u32_grapheme_next (2, 'e', ACUTE, 'x', -1); + test_u32_grapheme_next (2, 'e', ACUTE, 'e', ACUTE, -1); + + /* Outside BMP. */ +#define NEUTRAL_FACE 0x1f610 /* 😐: neutral face. */ + test_u32_grapheme_next (1, NEUTRAL_FACE, -1); + test_u32_grapheme_next (2, NEUTRAL_FACE, GRAVE, -1); + + return 0; +} |