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-rw-r--r--tests/uniconv/test-u32-conv-to-enc.c163
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
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+++ b/tests/uniconv/test-u32-conv-to-enc.c
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+/* 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;
+}