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Diffstat (limited to 'tests/test-iconv.c')
| -rw-r--r-- | tests/test-iconv.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/test-iconv.c b/tests/test-iconv.c new file mode 100644 index 00000000..8bac1764 --- /dev/null +++ b/tests/test-iconv.c @@ -0,0 +1,149 @@ +/* Test of character set conversion. + Copyright (C) 2007-2008 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> + +#if HAVE_ICONV +# include <iconv.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + fflush (stderr); \ + abort (); \ + } \ + } \ + while (0) + +int +main () +{ +#if HAVE_ICONV + /* Assume that iconv() supports at least the encodings ASCII, ISO-8859-1, + and UTF-8. */ + iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); + iconv_t cd_utf8_to_88591 = iconv_open ("ISO-8859-1", "UTF-8"); + + ASSERT (cd_88591_to_utf8 != (iconv_t)(-1)); + ASSERT (cd_utf8_to_88591 != (iconv_t)(-1)); + + /* Test conversion from ISO-8859-1 to UTF-8 with no errors. */ + { + static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + static const char expected[] = "\303\204rger mit b\303\266sen B\303\274bchen ohne Augenma\303\237"; + char buf[50]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_88591_to_utf8, + (ICONV_CONST char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + ASSERT (res == 0 && inbytesleft == 0); + ASSERT (outptr == buf + strlen (expected)); + ASSERT (memcmp (buf, expected, strlen (expected)) == 0); + } + + /* Test conversion from ISO-8859-1 to UTF-8 with E2BIG. */ + { + static const char input[] = "\304"; + static char buf[2] = { (char)0xDE, (char)0xAD }; + const char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = 1; + size_t res = iconv (cd_88591_to_utf8, + (ICONV_CONST char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + ASSERT (res == (size_t)(-1) && errno == E2BIG); + ASSERT (inbytesleft == 1); + ASSERT (outbytesleft == 1); + ASSERT ((unsigned char) buf[1] == 0xAD); + ASSERT ((unsigned char) buf[0] == 0xDE); + } + + /* Test conversion from UTF-8 to ISO-8859-1 with no errors. */ + { + static const char input[] = "\303\204rger mit b\303\266sen B\303\274bchen ohne Augenma\303\237"; + static const char expected[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + char buf[50]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (ICONV_CONST char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + ASSERT (res == 0 && inbytesleft == 0); + ASSERT (outptr == buf + strlen (expected)); + ASSERT (memcmp (buf, expected, strlen (expected)) == 0); + } + + /* Test conversion from UTF-8 to ISO-8859-1 with EILSEQ. */ + { + static const char input[] = "\342\202\254"; /* EURO SIGN */ + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (ICONV_CONST char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == (size_t)(-1)) + { + ASSERT (errno == EILSEQ); + ASSERT (inbytesleft == strlen (input) && outptr == buf); + } + else + { + ASSERT (res == 1); + ASSERT (inbytesleft == 0); + } + } + + /* Test conversion from UTF-8 to ISO-8859-1 with EINVAL. */ + { + static const char input[] = "\342"; + char buf[10]; + const char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (ICONV_CONST char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + ASSERT (res == (size_t)(-1) && errno == EINVAL); + ASSERT (inbytesleft == 1 && outptr == buf); + } + + iconv_close (cd_88591_to_utf8); + iconv_close (cd_utf8_to_88591); +#endif + + return 0; +} |