/* GLib testing framework examples and tests
* Copyright (C) 2007 Imendio AB
* Authors: Tim Janik
*
* 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>
static void
test_read_chunks (void)
{
const char *data1 = "abcdefghijklmnopqrstuvwxyz";
const char *data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const char *result = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
char buffer[128];
gsize bytes_read, pos, len, chunk_size;
GError *error = NULL;
GInputStream *stream;
gboolean res;
stream = g_memory_input_stream_new ();
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data1, -1, NULL);
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data2, -1, NULL);
len = strlen (data1) + strlen (data2);
for (chunk_size = 1; chunk_size < len - 1; chunk_size++)
{
pos = 0;
while (pos < len)
{
bytes_read = g_input_stream_read (stream, buffer, chunk_size, NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (bytes_read, ==, MIN (chunk_size, len - pos));
g_assert (strncmp (buffer, result + pos, bytes_read) == 0);
pos += bytes_read;
}
g_assert_cmpint (pos, ==, len);
res = g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, &error);
g_assert_cmpint (res, ==, TRUE);
g_assert_no_error (error);
}
g_object_unref (stream);
}
GMainLoop *loop;
static void
async_read_chunk (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
gsize *bytes_read = user_data;
GError *error = NULL;
*bytes_read = g_input_stream_read_finish (G_INPUT_STREAM (object),
result, &error);
g_assert_no_error (error);
g_main_loop_quit (loop);
}
static void
async_skipped_chunk (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
gsize *bytes_skipped = user_data;
GError *error = NULL;
*bytes_skipped = g_input_stream_skip_finish (G_INPUT_STREAM (object),
result, &error);
g_assert_no_error (error);
g_main_loop_quit (loop);
}
static void
test_async (void)
{
const char *data1 = "abcdefghijklmnopqrstuvwxyz";
const char *data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const char *result = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
char buffer[128];
gsize bytes_read, bytes_skipped;
gsize pos, len, chunk_size;
GError *error = NULL;
GInputStream *stream;
gboolean res;
loop = g_main_loop_new (NULL, FALSE);
stream = g_memory_input_stream_new ();
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data1, -1, NULL);
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data2, -1, NULL);
len = strlen (data1) + strlen (data2);
for (chunk_size = 1; chunk_size < len - 1; chunk_size++)
{
pos = 0;
while (pos < len)
{
g_input_stream_read_async (stream, buffer, chunk_size,
G_PRIORITY_DEFAULT, NULL,
async_read_chunk, &bytes_read);
g_main_loop_run (loop);
g_assert_cmpint (bytes_read, ==, MIN (chunk_size, len - pos));
g_assert (strncmp (buffer, result + pos, bytes_read) == 0);
pos += bytes_read;
}
g_assert_cmpint (pos, ==, len);
res = g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, &error);
g_assert_cmpint (res, ==, TRUE);
g_assert_no_error (error);
pos = 0;
while (pos + chunk_size + 1 < len)
{
g_input_stream_skip_async (stream, chunk_size,
G_PRIORITY_DEFAULT, NULL,
async_skipped_chunk, &bytes_skipped);
g_main_loop_run (loop);
g_assert_cmpint (bytes_skipped, ==, MIN (chunk_size, len - pos));
pos += bytes_skipped;
}
g_input_stream_read_async (stream, buffer, len - pos,
G_PRIORITY_DEFAULT, NULL,
async_read_chunk, &bytes_read);
g_main_loop_run (loop);
g_assert_cmpint (bytes_read, ==, len - pos);
g_assert (strncmp (buffer, result + pos, bytes_read) == 0);
res = g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, &error);
g_assert_cmpint (res, ==, TRUE);
g_assert_no_error (error);
}
g_object_unref (stream);
g_main_loop_unref (loop);
}
static void
test_seek (void)
{
const char *data1 = "abcdefghijklmnopqrstuvwxyz";
const char *data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
GInputStream *stream;
GError *error;
char buffer[10];
stream = g_memory_input_stream_new ();
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data1, -1, NULL);
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data2, -1, NULL);
g_assert (G_IS_SEEKABLE (stream));
g_assert (g_seekable_can_seek (G_SEEKABLE (stream)));
error = NULL;
g_assert (g_seekable_seek (G_SEEKABLE (stream), 26, G_SEEK_SET, NULL, &error));
g_assert_no_error (error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (stream)), ==, 26);
g_assert (g_input_stream_read (stream, buffer, 1, NULL, &error) == 1);
g_assert_no_error (error);
g_assert (buffer[0] == 'A');
g_assert (!g_seekable_seek (G_SEEKABLE (stream), 26, G_SEEK_CUR, NULL, &error));
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
g_error_free (error);
g_object_unref (stream);
}
static void
test_truncate (void)
{
const char *data1 = "abcdefghijklmnopqrstuvwxyz";
const char *data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
GInputStream *stream;
GError *error;
stream = g_memory_input_stream_new ();
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data1, -1, NULL);
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data2, -1, NULL);
g_assert (G_IS_SEEKABLE (stream));
g_assert (!g_seekable_can_truncate (G_SEEKABLE (stream)));
error = NULL;
g_assert (!g_seekable_truncate (G_SEEKABLE (stream), 26, NULL, &error));
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED);
g_error_free (error);
g_object_unref (stream);
}
static void
test_read_bytes (void)
{
const char *data1 = "abcdefghijklmnopqrstuvwxyz";
const char *data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
GInputStream *stream;
GError *error = NULL;
GBytes *bytes;
gsize size;
gconstpointer data;
stream = g_memory_input_stream_new ();
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data1, -1, NULL);
g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
data2, -1, NULL);
bytes = g_input_stream_read_bytes (stream, 26, NULL, &error);
g_assert_no_error (error);
data = g_bytes_get_data (bytes, &size);
g_assert_cmpint (size, ==, 26);
g_assert (strncmp (data, data1, 26) == 0);
g_bytes_unref (bytes);
g_object_unref (stream);
}
static void
test_from_bytes (void)
{
gchar data[4096], buffer[4096];
GBytes *bytes;
GError *error = NULL;
GInputStream *stream;
gint i;
for (i = 0; i < 4096; i++)
data[i] = 1 + i % 255;
bytes = g_bytes_new_static (data, 4096);
stream = g_memory_input_stream_new_from_bytes (bytes);
g_assert (g_input_stream_read (stream, buffer, 2048, NULL, &error) == 2048);
g_assert_no_error (error);
g_assert (strncmp (data, buffer, 2048) == 0);
g_object_unref (stream);
g_bytes_unref (bytes);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/memory-input-stream/read-chunks", test_read_chunks);
g_test_add_func ("/memory-input-stream/async", test_async);
g_test_add_func ("/memory-input-stream/seek", test_seek);
g_test_add_func ("/memory-input-stream/truncate", test_truncate);
g_test_add_func ("/memory-input-stream/read-bytes", test_read_bytes);
g_test_add_func ("/memory-input-stream/from-bytes", test_from_bytes);
return g_test_run();
}