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