glib/gio/tests/memory-output-stream.c

167 lines
4.8 KiB
C

/* GLib testing framework examples and tests
* Copyright (C) 2008 Red Hat, Inc.
* Author: Matthias Clasen
*
* 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_truncate (void)
{
GOutputStream *mo;
GDataOutputStream *o;
int i;
GError *error = NULL;
g_test_bug ("540423");
mo = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
g_assert (g_seekable_can_truncate (G_SEEKABLE (mo)));
o = g_data_output_stream_new (mo);
for (i = 0; i < 1000; i++)
{
g_data_output_stream_put_byte (o, 1, NULL, &error);
g_assert_no_error (error);
}
g_seekable_truncate (G_SEEKABLE (mo), 0, NULL, &error);
g_assert_no_error (error);
for (i = 0; i < 2000; i++)
{
g_data_output_stream_put_byte (o, 1, NULL, &error);
g_assert_no_error (error);
}
g_object_unref (o);
g_object_unref (mo);
}
static void
test_seek (void)
{
GOutputStream *mo;
GError *error;
mo = g_memory_output_stream_new (g_new (gchar, 100), 100, g_realloc, g_free);
g_assert (G_IS_SEEKABLE (mo));
g_assert (g_seekable_can_seek (G_SEEKABLE (mo)));
error = NULL;
g_assert (g_seekable_seek (G_SEEKABLE (mo), 26, G_SEEK_SET, NULL, &error));
g_assert_no_error (error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 26);
g_assert (!g_seekable_seek (G_SEEKABLE (mo), 200, G_SEEK_CUR, NULL, &error));
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
g_error_free (error);
g_object_unref (mo);
}
static void
test_data_size (void)
{
GOutputStream *mo;
GDataOutputStream *o;
int pos;
g_test_bug ("540459");
mo = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
o = g_data_output_stream_new (mo);
g_data_output_stream_put_byte (o, 1, NULL, NULL);
pos = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));
g_assert_cmpint (pos, ==, 1);
g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_CUR, NULL, NULL);
pos = g_seekable_tell (G_SEEKABLE (mo));
g_assert_cmpint (pos, ==, 1);
g_test_bug ("540461");
g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_SET, NULL, NULL);
pos = g_seekable_tell (G_SEEKABLE (mo));
g_assert_cmpint (pos, ==, 0);
pos = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));
g_assert_cmpint (pos, ==, 1);
g_assert_cmpint (g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 16);
g_object_unref (o);
g_object_unref (mo);
}
static void
test_properties (void)
{
GOutputStream *mo;
GDataOutputStream *o;
int i;
GError *error = NULL;
gsize data_size_fun;
gsize data_size_prop;
gpointer data_fun;
gpointer data_prop;
g_test_bug ("605733");
mo = (GOutputStream*) g_object_new (G_TYPE_MEMORY_OUTPUT_STREAM,
"realloc-function", g_realloc,
"destroy-function", g_free,
NULL);
o = g_data_output_stream_new (mo);
for (i = 0; i < 1000; i++)
{
g_data_output_stream_put_byte (o, 1, NULL, &error);
g_assert_no_error (error);
}
data_size_fun = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));
g_object_get (mo, "data-size", &data_size_prop, NULL);
g_assert_cmpint (data_size_fun, ==, data_size_prop);
data_fun = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
g_object_get (mo, "data", &data_prop, NULL);
g_assert_cmphex (GPOINTER_TO_SIZE (data_fun), ==, GPOINTER_TO_SIZE (data_prop));
g_object_unref (o);
g_object_unref (mo);
}
int
main (int argc,
char *argv[])
{
g_type_init ();
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("http://bugzilla.gnome.org/");
g_test_add_func ("/memory-output-stream/truncate", test_truncate);
g_test_add_func ("/memory-output-stream/seek", test_seek);
g_test_add_func ("/memory-output-stream/get-data-size", test_data_size);
g_test_add_func ("/memory-output-stream/properties", test_properties);
return g_test_run();
}