Tests for module 'uniconv/u32-conv-to-enc'.

diff --git a/modules/uniconv/u32-conv-to-enc-tests b/modules/uniconv/u32-conv-to-enc-tests
new file mode 100644 (file)
index 0000000..0058c18
--- /dev/null
+++ b/modules/uniconv/u32-conv-to-enc-tests
@@ -0,0 +1,13 @@
+Files:
+tests/uniconv/test-u32-conv-to-enc.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-u32-conv-to-enc
+check_PROGRAMS += test-u32-conv-to-enc
+test_u32_conv_to_enc_SOURCES = uniconv/test-u32-conv-to-enc.c
+test_u32_conv_to_enc_LDADD = @LIBICONV@ $(LDADD)
+

diff --git a/tests/uniconv/test-u32-conv-to-enc.c b/tests/uniconv/test-u32-conv-to-enc.c
new file mode 100644 (file)
index 0000000..ba7605a
--- /dev/null
+++ b/tests/uniconv/test-u32-conv-to-enc.c
@@ -0,0 +1,168 @@
+/* Test of conversion from UTF-32 to legacy encodings.
+   Copyright (C) 2007 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* 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__); \
+          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);
+         char *result = NULL;
+         size_t length = 0;
+         int retval = u32_conv_to_encoding ("ISO-8859-1", handler,
+                                            input, SIZEOF (input),
+                                            offsets,
+                                            &result, &length);
+         ASSERT (retval == 0);
+         ASSERT (length == strlen (expected));
+         ASSERT (result != NULL);
+         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);
+         char *result = NULL;
+         size_t length = 0;
+         int retval = u32_conv_to_encoding ("ISO-8859-1", handler,
+                                            input, SIZEOF (input),
+                                            offsets,
+                                            &result, &length);
+         switch (handler)
+           {
+           case iconveh_error:
+             ASSERT (retval == -1 && errno == EILSEQ);
+             ASSERT (result == NULL);
+             ASSERT (length == 0);
+             break;
+           case iconveh_question_mark:
+             {
+               static const char expected[] = "Rafa? Maszkowski";
+               static const char expected_translit[] = "Rafal Maszkowski";
+               ASSERT (retval == 0);
+               ASSERT (length == strlen (expected));
+               ASSERT (result != NULL);
+               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 (retval == 0);
+               ASSERT (length == strlen (expected));
+               ASSERT (result != NULL);
+               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;
+}