/* GLib testing framework examples and tests
* Authors: Jesse van den Kieboom <jessevdk@gnome.org>
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work 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.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include <glib/glib.h>
#include <gio/gio.h>
#include <stdlib.h>
#include <string.h>
#define DATA_TO_WRITE "Hello world\n"
typedef struct
{
GOutputStream *conv_stream;
GOutputStream *data_stream;
gchar *expected_output;
gsize expected_size;
GMainLoop *main_loop;
} SetupData;
static void
create_streams (SetupData *data)
{
GConverter *converter;
converter = G_CONVERTER (g_zlib_compressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP, -1));
data->data_stream = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
data->conv_stream = g_converter_output_stream_new (data->data_stream,
converter);
g_object_unref (converter);
}
static void
destroy_streams (SetupData *data)
{
g_object_unref (data->data_stream);
g_object_unref (data->conv_stream);
}
static void
write_data_to_stream (SetupData *data)
{
gsize bytes_written;
GError *error = NULL;
/* just write the data synchronously */
g_output_stream_write_all (data->conv_stream,
DATA_TO_WRITE,
sizeof (DATA_TO_WRITE),
&bytes_written,
NULL,
&error);
g_assert_no_error (error);
g_assert_cmpint (sizeof (DATA_TO_WRITE), ==, bytes_written);
}
static void
setup_data (SetupData *data,
gconstpointer user_data)
{
data->main_loop = g_main_loop_new (NULL, FALSE);
create_streams (data);
}
static void
teardown_data (SetupData *data,
gconstpointer user_data)
{
/* cleanup */
g_main_loop_unref (data->main_loop);
destroy_streams (data);
g_free (data->expected_output);
}
static void
compare_output (SetupData *data)
{
gsize size;
gpointer written;
written = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (data->data_stream));
size = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (data->data_stream));
g_assert_cmpmem (written, size, data->expected_output, data->expected_size);
}
static void
async_close_ready (GOutputStream *stream,
GAsyncResult *result,
SetupData *data)
{
GError *error = NULL;
/* finish the close */
g_output_stream_close_finish (stream, result, &error);
g_assert_no_error (error);
/* compare the output with the desired output */
compare_output (data);
g_main_loop_quit (data->main_loop);
}
static void
prepare_data (SetupData *data,
gboolean manual_flush)
{
GError *error = NULL;
gpointer written;
write_data_to_stream (data);
if (manual_flush)
{
g_output_stream_flush (data->conv_stream, NULL, &error);
g_assert_no_error (error);
}
g_output_stream_close (data->conv_stream, NULL, &error);
g_assert_no_error (error);
written = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (data->data_stream));
data->expected_size = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (data->data_stream));
g_assert_cmpint (data->expected_size, >, 0);
data->expected_output = g_memdup (written, (guint)data->expected_size);
/* then recreate the streams and prepare them for the asynchronous close */
destroy_streams (data);
create_streams (data);
write_data_to_stream (data);
}
static void
test_without_flush (SetupData *data,
gconstpointer user_data)
{
prepare_data (data, FALSE);
g_test_bug ("617937");
/* just close asynchronously */
g_output_stream_close_async (data->conv_stream,
G_PRIORITY_DEFAULT,
NULL,
(GAsyncReadyCallback)async_close_ready,
data);
g_main_loop_run (data->main_loop);
}
static void
test_with_flush (SetupData *data, gconstpointer user_data)
{
GError *error = NULL;
g_test_bug ("617937");
prepare_data (data, TRUE);
g_output_stream_flush (data->conv_stream, NULL, &error);
g_assert_no_error (error);
/* then close asynchronously */
g_output_stream_close_async (data->conv_stream,
G_PRIORITY_DEFAULT,
NULL,
(GAsyncReadyCallback)async_close_ready,
data);
g_main_loop_run (data->main_loop);
}
static void
async_flush_ready (GOutputStream *stream,
GAsyncResult *result,
SetupData *data)
{
GError *error = NULL;
g_output_stream_flush_finish (stream, result, &error);
g_assert_no_error (error);
/* then close async after the flush */
g_output_stream_close_async (data->conv_stream,
G_PRIORITY_DEFAULT,
NULL,
(GAsyncReadyCallback)async_close_ready,
data);
}
static void
test_with_async_flush (SetupData *data,
gconstpointer user_data)
{
g_test_bug ("617937");
prepare_data (data, TRUE);
/* first flush async */
g_output_stream_flush_async (data->conv_stream,
G_PRIORITY_DEFAULT,
NULL,
(GAsyncReadyCallback)async_flush_ready,
data);
g_main_loop_run (data->main_loop);
}
int
main (int argc,
char *argv[])
{
SetupData *data;
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("http://bugzilla.gnome.org/");
data = g_slice_new (SetupData);
/* test closing asynchronously without flushing manually */
g_test_add ("/close-async/without-flush",
SetupData,
data,
setup_data,
test_without_flush,
teardown_data);
/* test closing asynchronously with a synchronous manually flush */
g_test_add ("/close-async/with-flush",
SetupData,
data,
setup_data,
test_with_flush,
teardown_data);
/* test closing asynchronously with an asynchronous manually flush */
g_test_add ("/close-async/with-async-flush",
SetupData,
data,
setup_data,
test_with_async_flush,
teardown_data);
g_slice_free (SetupData, data);
return g_test_run();
}