glib/gio/tests/memory-output-stream.c
Matthias Clasen 5ccdf2b86a Expand the truncate tests
Check that the data is expanded with zeros.
2013-12-15 21:07:12 -05:00

357 lines
12 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;
guint8 *data;
g_test_bug ("540423");
mo = g_memory_output_stream_new_resizable ();
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_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 1000);
g_seekable_truncate (G_SEEKABLE (mo), 0, NULL, &error);
g_assert_cmpuint (g_seekable_tell (G_SEEKABLE (mo)), ==, 1000);
g_assert_no_error (error);
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 0);
for (i = 0; i < 2000; i++)
{
g_data_output_stream_put_byte (o, 2, NULL, &error);
g_assert_no_error (error);
}
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 3000);
data = (guint8 *)g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
/* The 1's written initially were lost when we truncated to 0
* and then started writing at position 1000.
*/
for (i = 0; i < 1000; i++)
g_assert_cmpuint (data[i], ==, 0);
for (i = 1000; i < 3000; i++)
g_assert_cmpuint (data[i], ==, 2);
g_test_bug ("720080");
g_seekable_truncate (G_SEEKABLE (mo), 8192, NULL, &error);
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 8192);
data = (guint8 *)g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
for (i = 3000; i < 8192; i++)
g_assert_cmpuint (data[i], ==, 0);
g_object_unref (o);
g_object_unref (mo);
}
static void
test_seek_fixed (void)
{
GOutputStream *mo;
GError *error;
mo = g_memory_output_stream_new (g_new (gchar, 100), 100, NULL, g_free);
g_assert (G_IS_SEEKABLE (mo));
g_assert (g_seekable_can_seek (G_SEEKABLE (mo)));
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
error = NULL;
g_assert (!g_seekable_seek (G_SEEKABLE (mo), 222, G_SEEK_CUR, NULL, &error));
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
g_clear_error (&error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
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), 20, G_SEEK_CUR, NULL, &error));
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
g_assert_no_error (error);
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_clear_error (&error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
g_assert (!g_seekable_seek (G_SEEKABLE (mo), 1, G_SEEK_END, NULL, &error));
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
g_clear_error (&error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
g_assert (g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_END, NULL, &error));
g_assert_no_error (error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 100);
g_assert (g_seekable_seek (G_SEEKABLE (mo), -1, G_SEEK_END, NULL, &error));
g_assert_no_error (error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 99);
g_object_unref (mo);
}
static void
test_seek_resizable_stream (GOutputStream *mo)
{
GError *error;
g_assert (G_IS_SEEKABLE (mo));
g_assert (g_seekable_can_seek (G_SEEKABLE (mo)));
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
error = NULL;
g_assert (g_seekable_seek (G_SEEKABLE (mo), 222, G_SEEK_CUR, NULL, &error));
g_assert_no_error (error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 222);
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), 20, G_SEEK_CUR, NULL, &error));
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
g_assert_no_error (error);
g_assert (g_seekable_seek (G_SEEKABLE (mo), 200, G_SEEK_CUR, NULL, &error));
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 246);
g_assert_no_error (error);
g_assert (g_seekable_seek (G_SEEKABLE (mo), 1, G_SEEK_END, NULL, &error));
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 1);
g_assert_no_error (error);
g_assert (g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_END, NULL, &error));
g_assert_no_error (error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
/* The 'end' is still zero, so this should fail */
g_assert (!g_seekable_seek (G_SEEKABLE (mo), -1, G_SEEK_END, NULL, &error));
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
g_clear_error (&error);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
}
static void
test_seek_resizable (void)
{
GOutputStream *mo;
gint i;
/* For resizable streams, the initially allocated size is purely an
* implementation detail. We should not be able to tell the
* difference based on the seek API, so make a bunch of streams with
* different sizes and subject them to the same test.
*/
for (i = 0; i < 1024; i++)
{
mo = g_memory_output_stream_new (g_malloc (i), i, g_realloc, g_free);
test_seek_resizable_stream (mo);
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 0);
/* No writes = no resizes */
g_assert_cmpint (g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, i);
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_resizable ();
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 = 0;
gpointer data_fun;
gpointer data_prop;
gpointer func;
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_get (mo, "realloc-function", &func, NULL);
g_assert (func == g_realloc);
g_object_get (mo, "destroy-function", &func, NULL);
g_assert (func == g_free);
data_size_fun = g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (mo));
g_object_get (mo, "size", &data_size_prop, NULL);
g_assert_cmpint (data_size_fun, ==, data_size_prop);
g_object_unref (o);
g_object_unref (mo);
}
static void
test_write_bytes (void)
{
GOutputStream *mo;
GBytes *bytes, *bytes2;
GError *error = NULL;
mo = (GOutputStream*) g_object_new (G_TYPE_MEMORY_OUTPUT_STREAM,
"realloc-function", g_realloc,
"destroy-function", g_free,
NULL);
bytes = g_bytes_new_static ("hello world!", strlen ("hello world!") + 1);
g_output_stream_write_bytes (mo, bytes, NULL, &error);
g_assert_no_error (error);
g_output_stream_close (mo, NULL, &error);
g_assert_no_error (error);
bytes2 = g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (mo));
g_object_unref (mo);
g_assert (g_bytes_equal (bytes, bytes2));
g_bytes_unref (bytes);
g_bytes_unref (bytes2);
}
static void
test_steal_as_bytes (void)
{
GOutputStream *mo;
GDataOutputStream *o;
GError *error = NULL;
GBytes *bytes;
gsize size;
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);
g_data_output_stream_put_string (o, "hello ", NULL, &error);
g_assert_no_error (error);
g_data_output_stream_put_string (o, "world!", NULL, &error);
g_assert_no_error (error);
g_data_output_stream_put_byte (o, '\0', NULL, &error);
g_assert_no_error (error);
g_output_stream_close ((GOutputStream*) o, NULL, &error);
g_assert_no_error (error);
bytes = g_memory_output_stream_steal_as_bytes ((GMemoryOutputStream*)mo);
g_object_unref (mo);
g_assert_cmpint (g_bytes_get_size (bytes), ==, strlen ("hello world!") + 1);
g_assert_cmpstr (g_bytes_get_data (bytes, &size), ==, "hello world!");
g_bytes_unref (bytes);
g_object_unref (o);
}
int
main (int argc,
char *argv[])
{
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/fixed", test_seek_fixed);
g_test_add_func ("/memory-output-stream/seek/resizable", test_seek_resizable);
g_test_add_func ("/memory-output-stream/get-data-size", test_data_size);
g_test_add_func ("/memory-output-stream/properties", test_properties);
g_test_add_func ("/memory-output-stream/write-bytes", test_write_bytes);
g_test_add_func ("/memory-output-stream/steal_as_bytes", test_steal_as_bytes);
return g_test_run();
}