static dbus_bool_t
generate_many_bodies_inner (DBusMessageDataIter *iter,
                            DBusMessage        **message_p)
{
  DBusMessage *message;
  DBusString signature;
  DBusString body;
  char byte_order;

  /* Keeping this small makes things go faster */
  message = dbus_message_new_method_call ("o.z.F",
                                          "/",
                                          "o.z.B",
                                          "Nah");
  if (message == NULL)
    _dbus_assert_not_reached ("oom");

  byte_order = _dbus_header_get_byte_order (&message->header);

  set_reply_serial (message);

  if (!_dbus_string_init (&signature) || !_dbus_string_init (&body))
    _dbus_assert_not_reached ("oom");
  
  if (dbus_internal_do_not_use_generate_bodies (iter_get_sequence (iter),
                                                byte_order,
                                                &signature, &body))
    {
      const char *v_SIGNATURE;

      v_SIGNATURE = _dbus_string_get_const_data (&signature);
      if (!_dbus_header_set_field_basic (&message->header,
                                         DBUS_HEADER_FIELD_SIGNATURE,
                                         DBUS_TYPE_SIGNATURE,
                                         &v_SIGNATURE))
        _dbus_assert_not_reached ("oom");

      if (!_dbus_string_move (&body, 0, &message->body, 0))
        _dbus_assert_not_reached ("oom");

      _dbus_marshal_set_uint32 (&message->header.data, BODY_LENGTH_OFFSET,
                                _dbus_string_get_length (&message->body),
                                byte_order);
      
      *message_p = message;
    }
  else
    {
      dbus_message_unref (message);
      *message_p = NULL;
    }
  
  _dbus_string_free (&signature);
  _dbus_string_free (&body);

  return *message_p != NULL;
}
static void
generate_from_message (DBusString            *data,
                       DBusValidity          *expected_validity,
                       DBusMessage           *message)
{
  dbus_message_set_serial (message, 1);
  dbus_message_lock (message);

  *expected_validity = DBUS_VALID;
  
  /* move for efficiency, since we'll nuke the message anyway */
  if (!_dbus_string_move (&message->header.data, 0,
                          data, 0))
    _dbus_assert_not_reached ("oom");

  if (!_dbus_string_copy (&message->body, 0,
                          data, _dbus_string_get_length (data)))
    _dbus_assert_not_reached ("oom");
}
Exemple #3
0
static dbus_bool_t
recover_unused_bytes (DBusTransport *transport)
{
  if (_dbus_auth_needs_decoding (transport->auth))
    {
      DBusString plaintext;
      const DBusString *encoded;
      DBusString *buffer;
      int orig_len;
      
      if (!_dbus_string_init (&plaintext))
        goto nomem;
      
      _dbus_auth_get_unused_bytes (transport->auth,
                                   &encoded);

      if (!_dbus_auth_decode_data (transport->auth,
                                   encoded, &plaintext))
        {
          _dbus_string_free (&plaintext);
          goto nomem;
        }
      
      _dbus_message_loader_get_buffer (transport->loader,
                                       &buffer);
      
      orig_len = _dbus_string_get_length (buffer);
      
      if (!_dbus_string_move (&plaintext, 0, buffer,
                              orig_len))
        {
          _dbus_string_free (&plaintext);
          goto nomem;
        }
      
      _dbus_verbose (" %d unused bytes sent to message loader\n", 
                     _dbus_string_get_length (buffer) -
                     orig_len);
      
      _dbus_message_loader_return_buffer (transport->loader,
                                          buffer,
                                          _dbus_string_get_length (buffer) -
                                          orig_len);

      _dbus_auth_delete_unused_bytes (transport->auth);
      
      _dbus_string_free (&plaintext);
    }
  else
    {
      const DBusString *bytes;
      DBusString *buffer;
      int orig_len;
      dbus_bool_t succeeded;

      _dbus_message_loader_get_buffer (transport->loader,
                                       &buffer);
                
      orig_len = _dbus_string_get_length (buffer);
                
      _dbus_auth_get_unused_bytes (transport->auth,
                                   &bytes);

      succeeded = TRUE;
      if (!_dbus_string_copy (bytes, 0, buffer, _dbus_string_get_length (buffer)))
        succeeded = FALSE;
      
      _dbus_verbose (" %d unused bytes sent to message loader\n", 
                     _dbus_string_get_length (buffer) -
                     orig_len);
      
      _dbus_message_loader_return_buffer (transport->loader,
                                          buffer,
                                          _dbus_string_get_length (buffer) -
                                          orig_len);

      if (succeeded)
        _dbus_auth_delete_unused_bytes (transport->auth);
      else
        goto nomem;
    }

  return TRUE;

 nomem:
  _dbus_verbose ("Not enough memory to transfer unused bytes from auth conversation\n");
  return FALSE;
}
/**
 * @ingroup DBusStringInternals
 * Unit test for DBusString.
 *
 * @todo Need to write tests for _dbus_string_copy() and
 * _dbus_string_move() moving to/from each of start/middle/end of a
 * string. Also need tests for _dbus_string_move_len ()
 * 
 * @returns #TRUE on success.
 */
dbus_bool_t
_dbus_string_test (void)
{
  DBusString str;
  DBusString other;
  int i, end;
  long v;
  double d;
  int lens[] = { 0, 1, 2, 3, 4, 5, 10, 16, 17, 18, 25, 31, 32, 33, 34, 35, 63, 64, 65, 66, 67, 68, 69, 70, 71, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136 };
  char *s;
  dbus_unichar_t ch;
  
  i = 0;
  while (i < _DBUS_N_ELEMENTS (lens))
    {
      if (!_dbus_string_init (&str))
        _dbus_assert_not_reached ("failed to init string");

      set_max_length (&str, lens[i]);
      
      test_max_len (&str, lens[i]);
      _dbus_string_free (&str);

      ++i;
    }

  /* Test shortening and setting length */
  i = 0;
  while (i < _DBUS_N_ELEMENTS (lens))
    {
      int j;
      
      if (!_dbus_string_init (&str))
        _dbus_assert_not_reached ("failed to init string");

      set_max_length (&str, lens[i]);
      
      if (!_dbus_string_set_length (&str, lens[i]))
        _dbus_assert_not_reached ("failed to set string length");

      j = lens[i];
      while (j > 0)
        {
          _dbus_assert (_dbus_string_get_length (&str) == j);
          if (j > 0)
            {
              _dbus_string_shorten (&str, 1);
              _dbus_assert (_dbus_string_get_length (&str) == (j - 1));
            }
          --j;
        }
      
      _dbus_string_free (&str);

      ++i;
    }

  /* Test equality */
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("oom");

  if (!_dbus_string_append (&str, "Hello World"))
    _dbus_assert_not_reached ("oom");

  _dbus_string_init_const (&other, "H");
  _dbus_assert (_dbus_string_equal_substring (&str, 0, 1, &other, 0));
  _dbus_assert (_dbus_string_equal_substring (&str, 1, 0, &other, 1));
  _dbus_string_init_const (&other, "Hello");
  _dbus_assert (_dbus_string_equal_substring (&str, 0, 5, &other, 0));
  _dbus_assert (_dbus_string_equal_substring (&str, 1, 4, &other, 1));
  _dbus_assert (_dbus_string_equal_substring (&str, 2, 3, &other, 2));
  _dbus_assert (_dbus_string_equal_substring (&str, 3, 2, &other, 3));
  _dbus_assert (_dbus_string_equal_substring (&str, 4, 1, &other, 4));
  _dbus_assert (_dbus_string_equal_substring (&str, 5, 0, &other, 5));

  _dbus_assert (_dbus_string_equal_substring (&other, 0, 5, &str, 0));
  _dbus_assert (_dbus_string_equal_substring (&other, 1, 4, &str, 1));
  _dbus_assert (_dbus_string_equal_substring (&other, 2, 3, &str, 2));
  _dbus_assert (_dbus_string_equal_substring (&other, 3, 2, &str, 3));
  _dbus_assert (_dbus_string_equal_substring (&other, 4, 1, &str, 4));
  _dbus_assert (_dbus_string_equal_substring (&other, 5, 0, &str, 5));

  
  _dbus_string_init_const (&other, "World");
  _dbus_assert (_dbus_string_equal_substring (&str, 6,  5, &other, 0));
  _dbus_assert (_dbus_string_equal_substring (&str, 7,  4, &other, 1));
  _dbus_assert (_dbus_string_equal_substring (&str, 8,  3, &other, 2));
  _dbus_assert (_dbus_string_equal_substring (&str, 9,  2, &other, 3));
  _dbus_assert (_dbus_string_equal_substring (&str, 10, 1, &other, 4));
  _dbus_assert (_dbus_string_equal_substring (&str, 11, 0, &other, 5));

  _dbus_assert (_dbus_string_equal_substring (&other, 0, 5, &str, 6));
  _dbus_assert (_dbus_string_equal_substring (&other, 1, 4, &str, 7));
  _dbus_assert (_dbus_string_equal_substring (&other, 2, 3, &str, 8));
  _dbus_assert (_dbus_string_equal_substring (&other, 3, 2, &str, 9));
  _dbus_assert (_dbus_string_equal_substring (&other, 4, 1, &str, 10));
  _dbus_assert (_dbus_string_equal_substring (&other, 5, 0, &str, 11));
  
  _dbus_string_free (&str);
  
  /* Test appending data */
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");

  i = 0;
  while (i < 10)
    {
      if (!_dbus_string_append (&str, "a"))
        _dbus_assert_not_reached ("failed to append string to string\n");

      _dbus_assert (_dbus_string_get_length (&str) == i * 2 + 1);

      if (!_dbus_string_append_byte (&str, 'b'))
        _dbus_assert_not_reached ("failed to append byte to string\n");

      _dbus_assert (_dbus_string_get_length (&str) == i * 2 + 2);
                    
      ++i;
    }

  _dbus_string_free (&str);

  /* Check steal_data */
  
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");

  if (!_dbus_string_append (&str, "Hello World"))
    _dbus_assert_not_reached ("could not append to string");

  i = _dbus_string_get_length (&str);
  
  if (!_dbus_string_steal_data (&str, &s))
    _dbus_assert_not_reached ("failed to steal data");

  _dbus_assert (_dbus_string_get_length (&str) == 0);
  _dbus_assert (((int)strlen (s)) == i);

  dbus_free (s);

  /* Check move */
  
  if (!_dbus_string_append (&str, "Hello World"))
    _dbus_assert_not_reached ("could not append to string");

  i = _dbus_string_get_length (&str);

  if (!_dbus_string_init (&other))
    _dbus_assert_not_reached ("could not init string");
  
  if (!_dbus_string_move (&str, 0, &other, 0))
    _dbus_assert_not_reached ("could not move");

  _dbus_assert (_dbus_string_get_length (&str) == 0);
  _dbus_assert (_dbus_string_get_length (&other) == i);

  if (!_dbus_string_append (&str, "Hello World"))
    _dbus_assert_not_reached ("could not append to string");
  
  if (!_dbus_string_move (&str, 0, &other, _dbus_string_get_length (&other)))
    _dbus_assert_not_reached ("could not move");

  _dbus_assert (_dbus_string_get_length (&str) == 0);
  _dbus_assert (_dbus_string_get_length (&other) == i * 2);

    if (!_dbus_string_append (&str, "Hello World"))
    _dbus_assert_not_reached ("could not append to string");
  
  if (!_dbus_string_move (&str, 0, &other, _dbus_string_get_length (&other) / 2))
    _dbus_assert_not_reached ("could not move");

  _dbus_assert (_dbus_string_get_length (&str) == 0);
  _dbus_assert (_dbus_string_get_length (&other) == i * 3);
  
  _dbus_string_free (&other);

  /* Check copy */
  
  if (!_dbus_string_append (&str, "Hello World"))
    _dbus_assert_not_reached ("could not append to string");

  i = _dbus_string_get_length (&str);
  
  if (!_dbus_string_init (&other))
    _dbus_assert_not_reached ("could not init string");
  
  if (!_dbus_string_copy (&str, 0, &other, 0))
    _dbus_assert_not_reached ("could not copy");

  _dbus_assert (_dbus_string_get_length (&str) == i);
  _dbus_assert (_dbus_string_get_length (&other) == i);

  if (!_dbus_string_copy (&str, 0, &other, _dbus_string_get_length (&other)))
    _dbus_assert_not_reached ("could not copy");

  _dbus_assert (_dbus_string_get_length (&str) == i);
  _dbus_assert (_dbus_string_get_length (&other) == i * 2);
  _dbus_assert (_dbus_string_equal_c_str (&other,
                                          "Hello WorldHello World"));

  if (!_dbus_string_copy (&str, 0, &other, _dbus_string_get_length (&other) / 2))
    _dbus_assert_not_reached ("could not copy");

  _dbus_assert (_dbus_string_get_length (&str) == i);
  _dbus_assert (_dbus_string_get_length (&other) == i * 3);
  _dbus_assert (_dbus_string_equal_c_str (&other,
                                          "Hello WorldHello WorldHello World"));
  
  _dbus_string_free (&str);
  _dbus_string_free (&other);

  /* Check replace */

  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");
  
  if (!_dbus_string_append (&str, "Hello World"))
    _dbus_assert_not_reached ("could not append to string");

  i = _dbus_string_get_length (&str);
  
  if (!_dbus_string_init (&other))
    _dbus_assert_not_reached ("could not init string");
  
  if (!_dbus_string_replace_len (&str, 0, _dbus_string_get_length (&str),
                                 &other, 0, _dbus_string_get_length (&other)))
    _dbus_assert_not_reached ("could not replace");

  _dbus_assert (_dbus_string_get_length (&str) == i);
  _dbus_assert (_dbus_string_get_length (&other) == i);
  _dbus_assert (_dbus_string_equal_c_str (&other, "Hello World"));
  
  if (!_dbus_string_replace_len (&str, 0, _dbus_string_get_length (&str),
                                 &other, 5, 1))
    _dbus_assert_not_reached ("could not replace center space");

  _dbus_assert (_dbus_string_get_length (&str) == i);
  _dbus_assert (_dbus_string_get_length (&other) == i * 2 - 1);
  _dbus_assert (_dbus_string_equal_c_str (&other,
                                          "HelloHello WorldWorld"));

  
  if (!_dbus_string_replace_len (&str, 1, 1,
                                 &other,
                                 _dbus_string_get_length (&other) - 1,
                                 1))
    _dbus_assert_not_reached ("could not replace end character");
  
  _dbus_assert (_dbus_string_get_length (&str) == i);
  _dbus_assert (_dbus_string_get_length (&other) == i * 2 - 1);
  _dbus_assert (_dbus_string_equal_c_str (&other,
                                          "HelloHello WorldWorle"));
  
  _dbus_string_free (&str);
  _dbus_string_free (&other);
  
  /* Check append/get unichar */
  
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");

  ch = 0;
  if (!_dbus_string_append_unichar (&str, 0xfffc))
    _dbus_assert_not_reached ("failed to append unichar");

  _dbus_string_get_unichar (&str, 0, &ch, &i);

  _dbus_assert (ch == 0xfffc);
  _dbus_assert (i == _dbus_string_get_length (&str));

  _dbus_string_free (&str);

  /* Check insert/set/get byte */
  
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");

  if (!_dbus_string_append (&str, "Hello"))
    _dbus_assert_not_reached ("failed to append Hello");

  _dbus_assert (_dbus_string_get_byte (&str, 0) == 'H');
  _dbus_assert (_dbus_string_get_byte (&str, 1) == 'e');
  _dbus_assert (_dbus_string_get_byte (&str, 2) == 'l');
  _dbus_assert (_dbus_string_get_byte (&str, 3) == 'l');
  _dbus_assert (_dbus_string_get_byte (&str, 4) == 'o');

  _dbus_string_set_byte (&str, 1, 'q');
  _dbus_assert (_dbus_string_get_byte (&str, 1) == 'q');

  if (!_dbus_string_insert_bytes (&str, 0, 1, 255))
    _dbus_assert_not_reached ("can't insert byte");

  if (!_dbus_string_insert_bytes (&str, 2, 4, 'Z'))
    _dbus_assert_not_reached ("can't insert byte");

  if (!_dbus_string_insert_bytes (&str, _dbus_string_get_length (&str), 1, 'W'))
    _dbus_assert_not_reached ("can't insert byte");
  
  _dbus_assert (_dbus_string_get_byte (&str, 0) == 255);
  _dbus_assert (_dbus_string_get_byte (&str, 1) == 'H');
  _dbus_assert (_dbus_string_get_byte (&str, 2) == 'Z');
  _dbus_assert (_dbus_string_get_byte (&str, 3) == 'Z');
  _dbus_assert (_dbus_string_get_byte (&str, 4) == 'Z');
  _dbus_assert (_dbus_string_get_byte (&str, 5) == 'Z');
  _dbus_assert (_dbus_string_get_byte (&str, 6) == 'q');
  _dbus_assert (_dbus_string_get_byte (&str, 7) == 'l');
  _dbus_assert (_dbus_string_get_byte (&str, 8) == 'l');
  _dbus_assert (_dbus_string_get_byte (&str, 9) == 'o');
  _dbus_assert (_dbus_string_get_byte (&str, 10) == 'W');

  _dbus_string_free (&str);
  
  /* Check append/parse int/double */
  
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");

  if (!_dbus_string_append_int (&str, 27))
    _dbus_assert_not_reached ("failed to append int");

  i = _dbus_string_get_length (&str);

  if (!_dbus_string_parse_int (&str, 0, &v, &end))
    _dbus_assert_not_reached ("failed to parse int");

  _dbus_assert (v == 27);
  _dbus_assert (end == i);

  _dbus_string_free (&str);
  
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");
  
  if (!_dbus_string_append_double (&str, 50.3))
    _dbus_assert_not_reached ("failed to append float");

  i = _dbus_string_get_length (&str);

  if (!_dbus_string_parse_double (&str, 0, &d, &end))
    _dbus_assert_not_reached ("failed to parse float");

  _dbus_assert (d > (50.3 - 1e-6) && d < (50.3 + 1e-6));
  _dbus_assert (end == i);

  _dbus_string_free (&str);

  /* Test find */
  if (!_dbus_string_init (&str))
    _dbus_assert_not_reached ("failed to init string");

  if (!_dbus_string_append (&str, "Hello"))
    _dbus_assert_not_reached ("couldn't append to string");
  
  if (!_dbus_string_find (&str, 0, "He", &i))
    _dbus_assert_not_reached ("didn't find 'He'");
  _dbus_assert (i == 0);

  if (!_dbus_string_find (&str, 0, "Hello", &i))
    _dbus_assert_not_reached ("didn't find 'Hello'");
  _dbus_assert (i == 0);
  
  if (!_dbus_string_find (&str, 0, "ello", &i))
    _dbus_assert_not_reached ("didn't find 'ello'");
  _dbus_assert (i == 1);

  if (!_dbus_string_find (&str, 0, "lo", &i))
    _dbus_assert_not_reached ("didn't find 'lo'");
  _dbus_assert (i == 3);

  if (!_dbus_string_find (&str, 2, "lo", &i))
    _dbus_assert_not_reached ("didn't find 'lo'");
  _dbus_assert (i == 3);

  if (_dbus_string_find (&str, 4, "lo", &i))
    _dbus_assert_not_reached ("did find 'lo'");
  
  if (!_dbus_string_find (&str, 0, "l", &i))
    _dbus_assert_not_reached ("didn't find 'l'");
  _dbus_assert (i == 2);

  if (!_dbus_string_find (&str, 0, "H", &i))
    _dbus_assert_not_reached ("didn't find 'H'");
  _dbus_assert (i == 0);

  if (!_dbus_string_find (&str, 0, "", &i))
    _dbus_assert_not_reached ("didn't find ''");
  _dbus_assert (i == 0);
  
  if (_dbus_string_find (&str, 0, "Hello!", NULL))
    _dbus_assert_not_reached ("Did find 'Hello!'");

  if (_dbus_string_find (&str, 0, "Oh, Hello", NULL))
    _dbus_assert_not_reached ("Did find 'Oh, Hello'");
  
  if (_dbus_string_find (&str, 0, "ill", NULL))
    _dbus_assert_not_reached ("Did find 'ill'");

  if (_dbus_string_find (&str, 0, "q", NULL))
    _dbus_assert_not_reached ("Did find 'q'");

  if (!_dbus_string_find_to (&str, 0, 2, "He", NULL))
    _dbus_assert_not_reached ("Didn't find 'He'");

  if (_dbus_string_find_to (&str, 0, 2, "Hello", NULL))
    _dbus_assert_not_reached ("Did find 'Hello'");

  if (!_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str), 'H', &i))
    _dbus_assert_not_reached ("Did not find 'H'");
  _dbus_assert (i == 0);

  if (!_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str), 'o', &i))
    _dbus_assert_not_reached ("Did not find 'o'");
  _dbus_assert (i == _dbus_string_get_length (&str) - 1);

  if (_dbus_string_find_byte_backward (&str, _dbus_string_get_length (&str) - 1, 'o', &i))
    _dbus_assert_not_reached ("Did find 'o'");
  _dbus_assert (i == -1);

  if (_dbus_string_find_byte_backward (&str, 1, 'e', &i))
    _dbus_assert_not_reached ("Did find 'e'");
  _dbus_assert (i == -1);

  if (!_dbus_string_find_byte_backward (&str, 2, 'e', &i))
    _dbus_assert_not_reached ("Didn't find 'e'");
  _dbus_assert (i == 1);
  
  _dbus_string_free (&str);

  /* Hex encoding */
  _dbus_string_init_const (&str, "cafebabe, this is a bogus hex string");
  if (!_dbus_string_init (&other))
    _dbus_assert_not_reached ("could not init string");

  if (!_dbus_string_hex_decode (&str, 0, &end, &other, 0))
    _dbus_assert_not_reached ("deccoded bogus hex string with no error");

  _dbus_assert (end == 8);

  _dbus_string_free (&other);

  test_roundtrips (test_hex_roundtrip);
  
  _dbus_string_free (&str);

  {                                                                                           
    int found, found_len;  

    _dbus_string_init_const (&str, "012\r\n567\n90");
    
    if (!_dbus_string_find_eol (&str, 0, &found, &found_len) || found != 3 || found_len != 2)
      _dbus_assert_not_reached ("Did not find '\\r\\n'");                                       
    if (found != 3 || found_len != 2)                                                           
      _dbus_assert_not_reached ("invalid return values");                                       
    
    if (!_dbus_string_find_eol (&str, 5, &found, &found_len))                                    
      _dbus_assert_not_reached ("Did not find '\\n'");                                          
    if (found != 8 || found_len != 1)                                                           
      _dbus_assert_not_reached ("invalid return values");                                       
    
    if (_dbus_string_find_eol (&str, 9, &found, &found_len))                                     
      _dbus_assert_not_reached ("Found not expected '\\n'");                                    
    else if (found != 11 || found_len != 0)                                                     
      _dbus_assert_not_reached ("invalid return values '\\n'");                                 

    found = -1;
    found_len = -1;
    _dbus_string_init_const (&str, "");
    if (_dbus_string_find_eol (&str, 0, &found, &found_len))
      _dbus_assert_not_reached ("found an eol in an empty string");
    _dbus_assert (found == 0);
    _dbus_assert (found_len == 0);
    
    found = -1;
    found_len = -1;
    _dbus_string_init_const (&str, "foobar");
    if (_dbus_string_find_eol (&str, 0, &found, &found_len))
      _dbus_assert_not_reached ("found eol in string that lacks one");
    _dbus_assert (found == 6);
    _dbus_assert (found_len == 0);

    found = -1;
    found_len = -1;
    _dbus_string_init_const (&str, "foobar\n");
    if (!_dbus_string_find_eol (&str, 0, &found, &found_len))
      _dbus_assert_not_reached ("did not find eol in string that has one at end");
    _dbus_assert (found == 6);
    _dbus_assert (found_len == 1);
  }

  {
    DBusString line;

#define FIRST_LINE "this is a line"
#define SECOND_LINE "this is a second line"
    /* third line is empty */
#define THIRD_LINE ""
#define FOURTH_LINE "this is a fourth line"
    
    if (!_dbus_string_init (&str))
      _dbus_assert_not_reached ("no memory");

    if (!_dbus_string_append (&str, FIRST_LINE "\n" SECOND_LINE "\r\n" THIRD_LINE "\n" FOURTH_LINE))
      _dbus_assert_not_reached ("no memory");
    
    if (!_dbus_string_init (&line))
      _dbus_assert_not_reached ("no memory");
    
    if (!_dbus_string_pop_line (&str, &line))
      _dbus_assert_not_reached ("failed to pop first line");

    _dbus_assert (_dbus_string_equal_c_str (&line, FIRST_LINE));
    
    if (!_dbus_string_pop_line (&str, &line))
      _dbus_assert_not_reached ("failed to pop second line");

    _dbus_assert (_dbus_string_equal_c_str (&line, SECOND_LINE));
    
    if (!_dbus_string_pop_line (&str, &line))
      _dbus_assert_not_reached ("failed to pop third line");

    _dbus_assert (_dbus_string_equal_c_str (&line, THIRD_LINE));
    
    if (!_dbus_string_pop_line (&str, &line))
      _dbus_assert_not_reached ("failed to pop fourth line");

    _dbus_assert (_dbus_string_equal_c_str (&line, FOURTH_LINE));
    
    _dbus_string_free (&str);
    _dbus_string_free (&line);
  }

  {
    if (!_dbus_string_init (&str))
      _dbus_assert_not_reached ("no memory");

    for (i = 0; i < 10000; i++)
      if (!_dbus_string_append (&str, "abcdefghijklmnopqrstuvwxyz"))
        _dbus_assert_not_reached ("no memory");

    if (!_dbus_string_set_length (&str, 10))
      _dbus_assert_not_reached ("failed to set length");

    /* actually compact */
    if (!_dbus_string_compact (&str, 2048))
      _dbus_assert_not_reached ("failed to compact after set_length");

    /* peek inside to make sure it worked */
    if (((DBusRealString *)&str)->allocated > 30)
      _dbus_assert_not_reached ("compacting string didn't do anything");

    if (!_dbus_string_equal_c_str (&str, "abcdefghij"))
      _dbus_assert_not_reached ("unexpected content after compact");

    /* compact nothing */
    if (!_dbus_string_compact (&str, 2048))
      _dbus_assert_not_reached ("failed to compact 2nd time");

    if (!_dbus_string_equal_c_str (&str, "abcdefghij"))
      _dbus_assert_not_reached ("unexpected content after 2nd compact");

    /* and make sure it still works...*/
    if (!_dbus_string_append (&str, "123456"))
      _dbus_assert_not_reached ("failed to append after compact");

    if (!_dbus_string_equal_c_str (&str, "abcdefghij123456"))
      _dbus_assert_not_reached ("unexpected content after append");

    /* after growing automatically, this should do nothing */
    if (!_dbus_string_compact (&str, 20000))
      _dbus_assert_not_reached ("failed to compact after grow");

    /* but this one will do something */
    if (!_dbus_string_compact (&str, 0))
      _dbus_assert_not_reached ("failed to compact after grow");

    if (!_dbus_string_equal_c_str (&str, "abcdefghij123456"))
      _dbus_assert_not_reached ("unexpected content");

    if (!_dbus_string_append (&str, "!@#$%"))
      _dbus_assert_not_reached ("failed to append after compact");

    if (!_dbus_string_equal_c_str (&str, "abcdefghij123456!@#$%"))
      _dbus_assert_not_reached ("unexpected content");

    _dbus_string_free (&str);
  }

  {
    const char two_strings[] = "one\ttwo";

    if (!_dbus_string_init (&str))
      _dbus_assert_not_reached ("no memory");

    if (!_dbus_string_init (&other))
      _dbus_assert_not_reached ("no memory");

    if (!_dbus_string_append (&str, two_strings))
      _dbus_assert_not_reached ("no memory");

    if (!_dbus_string_split_on_byte (&str, '\t', &other))
      _dbus_assert_not_reached ("no memory or delimiter not found");

    if (strcmp (_dbus_string_get_data (&str), "one") != 0)
      _dbus_assert_not_reached ("left side after split on tab is wrong");

    if (strcmp (_dbus_string_get_data (&other), "two") != 0)
      _dbus_assert_not_reached ("right side after split on tab is wrong");

    _dbus_string_free (&str);
    _dbus_string_free (&other);
  }
  
  return TRUE;
}