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+/* Test of character set conversion.
+ Copyright (C) 2007-2020 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 <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include "striconv.h"
+
+#if HAVE_ICONV
+# include <iconv.h>
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+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 mem_cd_iconv() ------------------------- */
+
+ /* 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 *result = NULL;
+ size_t length = 0;
+ int retval = mem_cd_iconv (input, strlen (input), cd_88591_to_utf8,
+ &result, &length);
+ ASSERT (retval == 0);
+ ASSERT (length == strlen (expected));
+ ASSERT (result != NULL && memcmp (result, expected, strlen (expected)) == 0);
+ free (result);
+ }
+
+ /* 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 *result = NULL;
+ size_t length = 0;
+ int retval = mem_cd_iconv (input, strlen (input), cd_utf8_to_88591,
+ &result, &length);
+ ASSERT (retval == 0);
+ ASSERT (length == strlen (expected));
+ ASSERT (result != NULL && memcmp (result, expected, strlen (expected)) == 0);
+ free (result);
+ }
+
+ /* Test conversion from UTF-8 to ISO-8859-1 with EILSEQ. */
+ {
+ static const char input[] = "\342\202\254"; /* EURO SIGN */
+ char *result = NULL;
+ size_t length = 0;
+ int retval = mem_cd_iconv (input, strlen (input), cd_utf8_to_88591,
+ &result, &length);
+ ASSERT (retval == -1 && errno == EILSEQ);
+ ASSERT (result == NULL);
+ }
+
+ /* Test conversion from UTF-8 to ISO-8859-1 with EINVAL. */
+ {
+ static const char input[] = "\342";
+ char *result = NULL;
+ size_t length = 0;
+ int retval = mem_cd_iconv (input, strlen (input), cd_utf8_to_88591,
+ &result, &length);
+ ASSERT (retval == 0);
+ ASSERT (length == 0);
+ free (result);
+ }
+
+ /* ------------------------- Test str_cd_iconv() ------------------------- */
+
+ /* 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 *result = str_cd_iconv (input, cd_88591_to_utf8);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, expected) == 0);
+ free (result);
+ }
+
+ /* 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 *result = str_cd_iconv (input, cd_utf8_to_88591);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, expected) == 0);
+ free (result);
+ }
+
+ /* Test conversion from UTF-8 to ISO-8859-1 with EILSEQ. */
+ {
+ static const char input[] = "Costs: 27 \342\202\254"; /* EURO SIGN */
+ char *result = str_cd_iconv (input, cd_utf8_to_88591);
+ ASSERT (result == NULL && errno == EILSEQ);
+ }
+
+ /* Test conversion from UTF-8 to ISO-8859-1 with EINVAL. */
+ {
+ static const char input[] = "\342";
+ char *result = str_cd_iconv (input, cd_utf8_to_88591);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "") == 0);
+ free (result);
+ }
+
+ iconv_close (cd_88591_to_utf8);
+ iconv_close (cd_utf8_to_88591);
+
+ /* -------------------------- Test str_iconv() -------------------------- */
+
+ /* 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 *result = str_iconv (input, "ISO-8859-1", "UTF-8");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, expected) == 0);
+ free (result);
+ }
+
+ /* 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 *result = str_iconv (input, "UTF-8", "ISO-8859-1");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, expected) == 0);
+ free (result);
+ }
+
+ /* Test conversion from UTF-8 to ISO-8859-1 with EILSEQ. */
+ {
+ static const char input[] = "Costs: 27 \342\202\254"; /* EURO SIGN */
+ char *result = str_iconv (input, "UTF-8", "ISO-8859-1");
+ ASSERT (result == NULL && errno == EILSEQ);
+ }
+
+ /* Test conversion from UTF-8 to ISO-8859-1 with EINVAL. */
+ {
+ static const char input[] = "\342";
+ char *result = str_iconv (input, "UTF-8", "ISO-8859-1");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "") == 0);
+ free (result);
+ }
+
+#endif
+
+ return 0;
+}
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