diff options
Diffstat (limited to 'tests/uniconv/test-u32-conv-to-enc.c')
| -rw-r--r-- | tests/uniconv/test-u32-conv-to-enc.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/tests/uniconv/test-u32-conv-to-enc.c b/tests/uniconv/test-u32-conv-to-enc.c new file mode 100644 index 00000000..585b737c --- /dev/null +++ b/tests/uniconv/test-u32-conv-to-enc.c @@ -0,0 +1,163 @@ +/* Test of conversion from UTF-32 to legacy encodings. + Copyright (C) 2007-2009 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 <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#include <config.h> + +#include "uniconv.h" + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define SIZEOF(array) (sizeof (array) / sizeof (array[0])) +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + fflush (stderr); \ + abort (); \ + } \ + } \ + while (0) + +/* Magic number for detecting bounds violations. */ +#define MAGIC 0x1983EFF1 + +static size_t * +new_offsets (size_t n) +{ + size_t *offsets = (size_t *) malloc ((n + 1) * sizeof (size_t)); + offsets[n] = MAGIC; + return offsets; +} + +int +main () +{ + static enum iconv_ilseq_handler handlers[] = + { iconveh_error, iconveh_question_mark, iconveh_escape_sequence }; + size_t h; + size_t o; + size_t i; + +#if HAVE_ICONV + /* Assume that iconv() supports at least the encodings ASCII, ISO-8859-1, + ISO-8859-2, and UTF-8. */ + + /* Test conversion from UTF-32 to ISO-8859-1 with no errors. */ + for (h = 0; h < SIZEOF (handlers); h++) + { + enum iconv_ilseq_handler handler = handlers[h]; + static const uint32_t input[] = /* Ärger mit bösen Bübchen ohne Augenmaß */ + { + 0xC4, 'r', 'g', 'e', 'r', ' ', 'm', 'i', 't', ' ', 'b', 0xF6, 's', + 'e', 'n', ' ', 'B', 0xFC, 'b', 'c', 'h', 'e', 'n', ' ', 'o', 'h', + 'n', 'e', ' ', 'A', 'u', 'g', 'e', 'n', 'm', 'a', 0xDF + }; + static const char expected[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + for (o = 0; o < 2; o++) + { + size_t *offsets = (o ? new_offsets (SIZEOF (input)) : NULL); + size_t length; + char *result = u32_conv_to_encoding ("ISO-8859-1", handler, + input, SIZEOF (input), + offsets, + NULL, &length); + ASSERT (result != NULL); + ASSERT (length == strlen (expected)); + ASSERT (memcmp (result, expected, length) == 0); + if (o) + { + for (i = 0; i < 37; i++) + ASSERT (offsets[i] == i); + ASSERT (offsets[37] == MAGIC); + free (offsets); + } + free (result); + } + } + + /* Test conversion from UTF-32 to ISO-8859-1 with EILSEQ. */ + for (h = 0; h < SIZEOF (handlers); h++) + { + enum iconv_ilseq_handler handler = handlers[h]; + static const uint32_t input[] = /* Rafał Maszkowski */ + { + 'R', 'a', 'f', 'a', 0x0142, ' ', 'M', 'a', 's', 'z', 'k', 'o', 'w', + 's', 'k', 'i' + }; + for (o = 0; o < 2; o++) + { + size_t *offsets = (o ? new_offsets (SIZEOF (input)) : NULL); + size_t length = 0xdead; + char *result = u32_conv_to_encoding ("ISO-8859-1", handler, + input, SIZEOF (input), + offsets, + NULL, &length); + switch (handler) + { + case iconveh_error: + ASSERT (result == NULL); + ASSERT (errno == EILSEQ); + ASSERT (length == 0xdead); + break; + case iconveh_question_mark: + { + static const char expected[] = "Rafa? Maszkowski"; + static const char expected_translit[] = "Rafal Maszkowski"; + ASSERT (result != NULL); + ASSERT (length == strlen (expected)); + ASSERT (memcmp (result, expected, length) == 0 + || memcmp (result, expected_translit, length) == 0); + if (o) + { + for (i = 0; i < 16; i++) + ASSERT (offsets[i] == i); + ASSERT (offsets[16] == MAGIC); + free (offsets); + } + free (result); + } + break; + case iconveh_escape_sequence: + { + static const char expected[] = "Rafa\\u0142 Maszkowski"; + ASSERT (result != NULL); + ASSERT (length == strlen (expected)); + ASSERT (memcmp (result, expected, length) == 0); + if (o) + { + for (i = 0; i < 16; i++) + ASSERT (offsets[i] == (i < 5 ? i : i + 5)); + ASSERT (offsets[16] == MAGIC); + free (offsets); + } + free (result); + } + break; + } + } + } + +#endif + + return 0; +} |