(root)/
glib-2.79.0/
gio/
tests/
io-stream.c
       1  /* GLib testing framework examples and tests
       2   * Copyright (C) 2010 Collabora Ltd.
       3   * Authors: Xavier Claessens <xclaesse@gmail.com>
       4   *
       5   * SPDX-License-Identifier: LicenseRef-old-glib-tests
       6   *
       7   * This work is provided "as is"; redistribution and modification
       8   * in whole or in part, in any medium, physical or electronic is
       9   * permitted without restriction.
      10   *
      11   * This work is distributed in the hope that it will be useful,
      12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
      14   *
      15   * In no event shall the authors or contributors be liable for any
      16   * direct, indirect, incidental, special, exemplary, or consequential
      17   * damages (including, but not limited to, procurement of substitute
      18   * goods or services; loss of use, data, or profits; or business
      19   * interruption) however caused and on any theory of liability, whether
      20   * in contract, strict liability, or tort (including negligence or
      21   * otherwise) arising in any way out of the use of this software, even
      22   * if advised of the possibility of such damage.
      23   */
      24  
      25  #include <glib/glib.h>
      26  #include <gio/gio.h>
      27  #include <stdlib.h>
      28  #include <string.h>
      29  
      30  typedef struct
      31  {
      32    GMainLoop *main_loop;
      33    const gchar *data1;
      34    const gchar *data2;
      35    GIOStream *iostream1;
      36    GIOStream *iostream2;
      37  } TestCopyChunksData;
      38  
      39  static void
      40  test_copy_chunks_splice_cb (GObject *source_object,
      41      GAsyncResult *res,
      42      gpointer user_data)
      43  {
      44    TestCopyChunksData *data = user_data;
      45    GMemoryOutputStream *ostream;
      46    gchar *received_data;
      47    GError *error = NULL;
      48  
      49    g_io_stream_splice_finish (res, &error);
      50    g_assert_no_error (error);
      51  
      52    ostream = G_MEMORY_OUTPUT_STREAM (g_io_stream_get_output_stream (data->iostream1));
      53    received_data = g_memory_output_stream_get_data (ostream);
      54    g_assert_cmpstr (received_data, ==, data->data2);
      55  
      56    ostream = G_MEMORY_OUTPUT_STREAM (g_io_stream_get_output_stream (data->iostream2));
      57    received_data = g_memory_output_stream_get_data (ostream);
      58    g_assert_cmpstr (received_data, ==, data->data1);
      59  
      60    g_assert (g_io_stream_is_closed (data->iostream1));
      61    g_assert (g_io_stream_is_closed (data->iostream2));
      62  
      63    g_main_loop_quit (data->main_loop);
      64  }
      65  
      66  static void
      67  test_copy_chunks (void)
      68  {
      69    TestCopyChunksData data;
      70    GInputStream *istream;
      71    GOutputStream *ostream;
      72  
      73    data.main_loop = g_main_loop_new (NULL, FALSE);
      74    data.data1 = "abcdefghijklmnopqrstuvwxyz";
      75    data.data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
      76  
      77    istream = g_memory_input_stream_new_from_data (data.data1, -1, NULL);
      78    ostream = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
      79    data.iostream1 = g_simple_io_stream_new (istream, ostream);
      80    g_object_unref (istream);
      81    g_object_unref (ostream);
      82  
      83    istream = g_memory_input_stream_new_from_data (data.data2, -1, NULL);
      84    ostream = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
      85    data.iostream2 = g_simple_io_stream_new (istream, ostream);
      86    g_object_unref (istream);
      87    g_object_unref (ostream);
      88  
      89    g_io_stream_splice_async (data.iostream1, data.iostream2,
      90        G_IO_STREAM_SPLICE_CLOSE_STREAM1 | G_IO_STREAM_SPLICE_CLOSE_STREAM2 |
      91        G_IO_STREAM_SPLICE_WAIT_FOR_BOTH, G_PRIORITY_DEFAULT,
      92        NULL, test_copy_chunks_splice_cb, &data);
      93  
      94    /* We do not hold a ref in data struct, this is to make sure the operation
      95     * keeps the iostream objects alive until it finishes */
      96    g_object_unref (data.iostream1);
      97    g_object_unref (data.iostream2);
      98  
      99    g_main_loop_run (data.main_loop);
     100    g_main_loop_unref (data.main_loop);
     101  }
     102  
     103  static void
     104  close_async_done (GObject *source,
     105                    GAsyncResult *result,
     106                    gpointer user_data)
     107  {
     108    gboolean *done = user_data;
     109  
     110    *done = TRUE;
     111  }
     112  
     113  static void
     114  test_close_file (void)
     115  {
     116  #ifdef G_OS_UNIX
     117    GFileIOStream *fios;
     118    gboolean done;
     119    GIOStream *io;
     120    GFile *file;
     121  
     122    file = g_file_new_for_path ("/dev/null");
     123    fios = g_file_open_readwrite (file, NULL, NULL);
     124    g_object_unref (file);
     125    g_assert (fios);
     126  
     127    io = g_simple_io_stream_new (g_io_stream_get_input_stream (G_IO_STREAM (fios)),
     128                                 g_io_stream_get_output_stream (G_IO_STREAM (fios)));
     129    g_object_unref (fios);
     130  
     131    g_io_stream_close_async (io, 0, NULL, close_async_done, &done);
     132    g_object_unref (io);
     133  
     134    done = FALSE;
     135    while (!done)
     136      g_main_context_iteration (NULL, TRUE);
     137  #endif
     138  }
     139  
     140  static void
     141  test_close_memory (void)
     142  {
     143    GInputStream *in;
     144    GOutputStream *out;
     145    gboolean done;
     146    GIOStream *io;
     147  
     148    in = g_memory_input_stream_new ();
     149    out = g_memory_output_stream_new_resizable ();
     150    io = g_simple_io_stream_new (in, out);
     151    g_object_unref (out);
     152    g_object_unref (in);
     153  
     154    g_io_stream_close_async (io, 0, NULL, close_async_done, &done);
     155    g_object_unref (io);
     156  
     157    done = FALSE;
     158    while (!done)
     159      g_main_context_iteration (NULL, TRUE);
     160  }
     161  
     162  int
     163  main (int   argc,
     164        char *argv[])
     165  {
     166    g_test_init (&argc, &argv, NULL);
     167  
     168    g_test_add_func ("/io-stream/copy-chunks", test_copy_chunks);
     169    g_test_add_func ("/io-stream/close/async/memory", test_close_memory);
     170    g_test_add_func ("/io-stream/close/async/file", test_close_file);
     171  
     172    return g_test_run();
     173  }