/* GLIB - Library of useful routines for C programming

 * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald

 * Portions copyright (c) 2006-2009 Nokia Corporation.  All rights reserved.

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GLib Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GLib at ftp://ftp.gtk.org/pub/gtk/. 

 */

#undef G_DISABLE_ASSERT

#undef G_LOG_DOMAIN

#include <string.h>

#include <glib.h>

#ifdef __SYMBIAN32__

#include "mrt2_glib2_test.h"

#endif /*__SYMBIAN32__*/

/* Bug 311337 */

static void

test_iconv_state (void)

{

  gchar *in = "\xf4\xe5\xf8\xe5\xed";

  gchar *expected = "\xd7\xa4\xd7\x95\xd7\xa8\xd7\x95\xd7\x9d";

  gchar *out;

  gsize bytes_read = 0;

  gsize bytes_written = 0;

  GError *error = NULL;

  out = g_convert (in, -1, "UTF-8", "windows-1255", 

		   &bytes_read, &bytes_written, &error);

  if (error && error->code == G_CONVERT_ERROR_NO_CONVERSION)

    return; /* silently skip if CP1255 is not supported, see bug 467707 */ 

  g_assert_no_error (error);

  g_assert (bytes_read == 5);

  g_assert (bytes_written == 10);

  g_assert (strcmp (out, expected) == 0);

  g_free (out);

}

/* some tests involving "vulgar fraction one half" */

static void 

test_one_half (void)

{

  gchar *in = "\xc2\xbd";

  gchar *out;

  gsize bytes_read = 0;

  gsize bytes_written = 0;

  GError *error = NULL;  

  out = g_convert (in, -1, 

		   "ISO-8859-1", "UTF-8",

		   &bytes_read, &bytes_written,

		   &error);

  g_assert_no_error (error);

  g_assert (bytes_read == 2);

  g_assert (bytes_written == 1);

  g_assert (strcmp (out, "\xbd") == 0);

  g_free (out);

  out = g_convert (in, -1, 

		   "ISO-8859-15", "UTF-8",

		   &bytes_read, &bytes_written,

		   &error);

  g_assert_error (error, G_CONVERT_ERROR, G_CONVERT_ERROR_ILLEGAL_SEQUENCE);

  g_assert (bytes_read == 0);

  g_assert (bytes_written == 0);

  g_assert (out == NULL);

  g_clear_error (&error);

  g_free (out);

  out = g_convert_with_fallback (in, -1, 

				 "ISO-8859-15", "UTF-8",

				 "a",

				 &bytes_read, &bytes_written,

				 &error);

  g_assert_no_error (error);

  g_assert (bytes_read == 2);

  g_assert (bytes_written == 1);

  g_assert (strcmp (out, "a") == 0);

  g_free (out);

}

static void

test_byte_order (void)

{

  gchar in_be[2] = { 0x03, 0x93}; /* capital gamma */

  gchar in_le[2] = { 0x93, 0x03};

  gchar *expected = "\xce\x93";

  gchar *out;

  gsize bytes_read = 0;

  gsize bytes_written = 0;

  GError *error = NULL;  

  out = g_convert (in_be, sizeof (in_be), 

		   "UTF-8", "UTF-16BE",

		   &bytes_read, &bytes_written,

		   &error);

  g_assert_no_error (error);

  g_assert (bytes_read == 2);

  g_assert (bytes_written == 2);

  g_assert (strcmp (out, expected) == 0);

  g_free (out);

  out = g_convert (in_le, sizeof (in_le), 

		   "UTF-8", "UTF-16LE",

		   &bytes_read, &bytes_written,

		   &error);

  g_assert_no_error (error);

  g_assert (bytes_read == 2);

  g_assert (bytes_written == 2);

  g_assert (strcmp (out, expected) == 0);

  g_free (out);

}

static void

check_utf8_to_ucs4 (const char     *utf8,

		    glong           utf8_len,

		    const gunichar *ucs4,

		    glong           ucs4_len,

		    glong           error_pos)

{

  gunichar *result, *result2, *result3;

  glong items_read, items_read2;

  glong items_written, items_written2;

  GError *error, *error2, *error3;

  gint i;

  if (!error_pos)

    {

      /* check the fast conversion */

      result = g_utf8_to_ucs4_fast (utf8, utf8_len, &items_written);

      g_assert (items_written == ucs4_len);

      g_assert (result);

      for (i = 0; i <= items_written; i++)

	g_assert (result[i] == ucs4[i]);      

      g_free (result);

    }

  error = NULL;

  result = g_utf8_to_ucs4 (utf8, utf8_len, &items_read, &items_written, &error);

  if (utf8_len == strlen (utf8))

    {

      /* check that len == -1 yields identical results */

      error2 = NULL;

      result2 = g_utf8_to_ucs4 (utf8, -1, &items_read2, &items_written2, &error2);

      g_assert (error || items_read2 == items_read);

      g_assert (error || items_written2 == items_written2);

      g_assert (!!result == !!result2);

      g_assert (!!error == !!error2);

      if (result)

	for (i = 0; i <= items_written; i++)

	  g_assert (result[i] == result2[i]);

      g_free (result2);

      if (error2)

	g_error_free (error2);

    }

  error3 = NULL;

  result3 = g_utf8_to_ucs4 (utf8, utf8_len, NULL, NULL, &error3);

  if (error3 && error3->code == G_CONVERT_ERROR_PARTIAL_INPUT)

    {

      g_assert_no_error (error);

      g_assert (items_read == error_pos);

      g_assert (items_written == ucs4_len);

      g_assert (result);

      for (i = 0; i <= items_written; i++)

	g_assert (result[i] == ucs4[i]);

    }

  else if (error_pos)

    {

      g_assert (error != NULL);

      g_assert (result == NULL);

      g_assert (items_read == error_pos);

      g_error_free (error);

      g_assert (error3 != NULL);

      g_assert (result3 == NULL);

      g_error_free (error3);

    }

  else

    {

      g_assert_no_error (error);

      g_assert (items_read == utf8_len);

      g_assert (items_written == ucs4_len);

      g_assert (result);

      for (i = 0; i <= items_written; i++)

	g_assert (result[i] == ucs4[i]);

      g_assert_no_error (error3);

      g_assert (result3);

      for (i = 0; i <= ucs4_len; i++)

	g_assert (result3[i] == ucs4[i]);

    }

  g_free (result);

  g_free (result3);

}

static void

check_ucs4_to_utf8 (const gunichar *ucs4,

		    glong           ucs4_len,

		    const char     *utf8,

		    glong           utf8_len,

		    glong           error_pos)

{

  gchar *result, *result2, *result3;

  glong items_read, items_read2;

  glong items_written, items_written2;

  GError *error, *error2, *error3;

  error = NULL;

  result = g_ucs4_to_utf8 (ucs4, ucs4_len, &items_read, &items_written, &error);

  if (ucs4[ucs4_len] == 0)

    {

      /* check that len == -1 yields identical results */

      error2 = NULL;

      result2 = g_ucs4_to_utf8 (ucs4, -1, &items_read2, &items_written2, &error2);

      g_assert (error || items_read2 == items_read);

      g_assert (error || items_written2 == items_written);

      g_assert (!!result == !!result2);

      g_assert (!!error == !!error2);

      if (result)

	g_assert (strcmp (result, result2) == 0);

      g_free (result2);

      if (error2)

	g_error_free (error2);

    }

  error3 = NULL;

  result3 = g_ucs4_to_utf8 (ucs4, ucs4_len, NULL, NULL, &error3);

  if (error_pos)

    {

      g_assert (error != NULL);

      g_assert (result == NULL);

      g_assert (items_read == error_pos);

      g_error_free (error);

      g_assert (error3 != NULL);

      g_assert (result3 == NULL);

      g_error_free (error3);

    }

  else

    {

      g_assert_no_error (error);

      g_assert (items_read == ucs4_len);

      g_assert (items_written == utf8_len);

      g_assert (result);

      g_assert (strcmp (result, utf8) == 0);

      g_assert_no_error (error3);

      g_assert (result3);

      g_assert (strcmp (result3, utf8) == 0);

    }

  g_free (result);

  g_free (result3);

}

static void

check_utf8_to_utf16 (const char      *utf8,

		     glong            utf8_len,

		     const gunichar2 *utf16,

		     glong            utf16_len,

		     glong            error_pos)

{

  gunichar2 *result, *result2, *result3;

  glong items_read, items_read2;

  glong items_written, items_written2;

  GError *error, *error2, *error3;

  gint i;

  error = NULL;

  result = g_utf8_to_utf16 (utf8, utf8_len, &items_read, &items_written, &error);

  if (utf8_len == strlen (utf8))

    {

      /* check that len == -1 yields identical results */

      error2 = NULL;

      result2 = g_utf8_to_utf16 (utf8, -1, &items_read2, &items_written2, &error2);

      g_assert (error || items_read2 == items_read);

      g_assert (error || items_written2 == items_written2);

      g_assert (!!result == !!result2);

      g_assert (!!error == !!error2);

      if (result)

	for (i = 0; i <= items_written; i++)

	  g_assert (result[i] == result2[i]);

      g_free (result2);

      if (error2)

	g_error_free (error2);

    }

  error3 = NULL;

  result3 = g_utf8_to_utf16 (utf8, utf8_len, NULL, NULL, &error3);

  if (error3 && error3->code == G_CONVERT_ERROR_PARTIAL_INPUT)

    {

      g_assert_no_error (error);

      g_assert (items_read == error_pos);

      g_assert (items_written == utf16_len);

      g_assert (result);

      for (i = 0; i <= items_written; i++)

	g_assert (result[i] == utf16[i]);

    }

  else if (error_pos)

    {

      g_assert (error != NULL);

      g_assert (result == NULL);

      g_assert (items_read == error_pos);

      g_error_free (error);

      g_assert (error3 != NULL);

      g_assert (result3 == NULL);

      g_error_free (error3);

    }

  else

    {

      g_assert_no_error (error);

      g_assert (items_read == utf8_len);

      g_assert (items_written == utf16_len);

      g_assert (result);

      for (i = 0; i <= items_written; i++)

	g_assert (result[i] == utf16[i]);

      g_assert_no_error (error3);

      g_assert (result3);

      for (i = 0; i <= utf16_len; i++)

	g_assert (result3[i] == utf16[i]);

    }

  g_free (result);

  g_free (result3);

}

static void

check_utf16_to_utf8 (const gunichar2 *utf16,

		     glong            utf16_len,

		     const char      *utf8,

		     glong            utf8_len,

		     glong            error_pos)

{

  gchar *result, *result2, *result3;

  glong items_read, items_read2;

  glong items_written, items_written2;

  GError *error, *error2, *error3;

  error = NULL;

  result = g_utf16_to_utf8 (utf16, utf16_len, &items_read, &items_written, &error);

  if (utf16[utf16_len] == 0)

    {

      /* check that len == -1 yields identical results */

      error2 = NULL;

      result2 = g_utf16_to_utf8 (utf16, -1, &items_read2, &items_written2, &error2);

      g_assert (error || items_read2 == items_read);

      g_assert (error || items_written2 == items_written);

      g_assert (!!result == !!result2);

      g_assert (!!error == !!error2);

      if (result)

	g_assert (strcmp (result, result2) == 0);

      g_free (result2);

      if (error2)

	g_error_free (error2);

    }

  error3 = NULL;

  result3 = g_utf16_to_utf8 (utf16, utf16_len, NULL, NULL, &error3);

  if (error3 && error3->code == G_CONVERT_ERROR_PARTIAL_INPUT)

    {

      g_assert_no_error (error);

      g_assert (items_read == error_pos);

      g_assert (items_read + 1 == utf16_len);

      g_assert (items_written == utf8_len);

      g_assert (result);

      g_assert (strcmp (result, utf8) == 0);

    }

  else if (error_pos)

    {

      g_assert (error != NULL);

      g_assert (result == NULL);

      g_assert (items_read == error_pos);

      g_error_free (error);

      g_assert (error3 != NULL);

      g_assert (result3 == NULL);

      g_error_free (error3);

    }

  else

    {

      g_assert_no_error (error);

      g_assert (items_read == utf16_len);

      g_assert (items_written == utf8_len);

      g_assert (result);

      g_assert (strcmp (result, utf8) == 0);

      g_assert_no_error (error3);

      g_assert (result3);

      g_assert (strcmp (result3, utf8) == 0);

    }

  g_free (result);

  g_free (result3);

}

static void

check_ucs4_to_utf16 (const gunichar  *ucs4,

		     glong            ucs4_len,

		     const gunichar2 *utf16,

		     glong            utf16_len,

		     glong            error_pos)

{

  gunichar2 *result, *result2, *result3;

  glong items_read, items_read2;

  glong items_written, items_written2;

  GError *error, *error2, *error3;

  gint i;

  error = NULL;

  result = g_ucs4_to_utf16 (ucs4, ucs4_len, &items_read, &items_written, &error);

  if (ucs4[ucs4_len] == 0)

    {

      /* check that len == -1 yields identical results */

      error2 = NULL;

      result2 = g_ucs4_to_utf16 (ucs4, -1, &items_read2, &items_written2, &error2);

      g_assert (error || items_read2 == items_read);

      g_assert (error || items_written2 == items_written);

      g_assert (!!result == !!result2);

      g_assert (!!error == !!error2);

      if (result)

      for (i = 0; i <= utf16_len; i++)

	g_assert (result[i] == result2[i]);

      g_free (result2);

      if (error2)

	g_error_free (error2);

    }

  error3 = NULL;

  result3 = g_ucs4_to_utf16 (ucs4, -1, NULL, NULL, &error3);

  if (error_pos)

    {

      g_assert (error != NULL);

      g_assert (result == NULL);

      g_assert (items_read == error_pos);

      g_error_free (error);

      g_assert (error3 != NULL);

      g_assert (result3 == NULL);

      g_error_free (error3);

    }

  else

    {

      g_assert_no_error (error);

      g_assert (items_read == ucs4_len);

      g_assert (items_written == utf16_len);

      g_assert (result);

      for (i = 0; i <= utf16_len; i++)

	g_assert (result[i] == utf16[i]);

      g_assert_no_error (error3);

      g_assert (result3);

      for (i = 0; i <= utf16_len; i++)

	g_assert (result3[i] == utf16[i]);

    }

  g_free (result);

  g_free (result3);

}

static void

check_utf16_to_ucs4 (const gunichar2 *utf16,

		     glong            utf16_len,

		     const gunichar  *ucs4,

		     glong            ucs4_len,

		     glong            error_pos)

{

  gunichar *result, *result2, *result3;

  glong items_read, items_read2;

  glong items_written, items_written2;

  GError *error, *error2, *error3;

  gint i;

  error = NULL;

  result = g_utf16_to_ucs4 (utf16, utf16_len, &items_read, &items_written, &error);

  if (utf16[utf16_len] == 0)

    {

      /* check that len == -1 yields identical results */