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

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/* GLib testing framework examples and tests
* Copyright (C) 2008 Red Hat, Inc.
* Authors: Tomas Bzatek <tbzatek@redhat.com>
*
* 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 MAX_LINES 0xFFF
#define MAX_LINES_BUFF 0xFFFFFF
#define MAX_BYTES_BINARY 0x100
static void
test_basic (void)
{
GOutputStream *stream;
GOutputStream *base_stream;
gpointer data;
gint val;
data = g_malloc0 (MAX_LINES_BUFF);
/* initialize objects */
base_stream = g_memory_output_stream_new (data, MAX_LINES_BUFF, NULL, NULL);
stream = G_OUTPUT_STREAM (g_data_output_stream_new (base_stream));
g_object_get (stream, "byte-order", &val, NULL);
g_assert_cmpint (val, ==, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
g_object_set (stream, "byte-order", G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN, NULL);
g_assert_cmpint (g_data_output_stream_get_byte_order (G_DATA_OUTPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
g_object_unref (stream);
g_object_unref (base_stream);
g_free (data);
}
static void
test_read_lines (GDataStreamNewlineType newline_type)
{
GOutputStream *stream;
GOutputStream *base_stream;
GError *error = NULL;
gpointer data;
char *lines;
int size;
int i;
#define TEST_STRING "some_text"
const char* endl[4] = {"\n", "\r", "\r\n", "\n"};
data = g_malloc0 (MAX_LINES_BUFF);
lines = g_malloc0 ((strlen (TEST_STRING) + strlen (endl[newline_type])) * MAX_LINES + 1);
/* initialize objects */
base_stream = g_memory_output_stream_new (data, MAX_LINES_BUFF, NULL, NULL);
stream = G_OUTPUT_STREAM (g_data_output_stream_new (base_stream));
/* fill data */
for (i = 0; i < MAX_LINES; i++)
{
gboolean res;
char *s = g_strconcat (TEST_STRING, endl[newline_type], NULL);
res = g_data_output_stream_put_string (G_DATA_OUTPUT_STREAM (stream), s, NULL, &error);
g_stpcpy ((char*)(lines + i*strlen(s)), s);
g_assert_no_error (error);
g_assert (res == TRUE);
g_free (s);
}
/* Byte order testing */
g_data_output_stream_set_byte_order (G_DATA_OUTPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
g_assert_cmpint (g_data_output_stream_get_byte_order (G_DATA_OUTPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
g_data_output_stream_set_byte_order (G_DATA_OUTPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
g_assert_cmpint (g_data_output_stream_get_byte_order (G_DATA_OUTPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
/* compare data */
size = strlen (data);
g_assert_cmpint (size, <, MAX_LINES_BUFF);
g_assert_cmpstr ((char*)data, ==, lines);
g_object_unref (base_stream);
g_object_unref (stream);
g_free (data);
g_free (lines);
}
static void
test_read_lines_LF (void)
{
test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_LF);
}
static void
test_read_lines_CR (void)
{
test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR);
}
static void
test_read_lines_CR_LF (void)
{
test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
}
enum TestDataType {
TEST_DATA_BYTE = 0,
TEST_DATA_INT16,
TEST_DATA_UINT16,
TEST_DATA_INT32,
TEST_DATA_UINT32,
TEST_DATA_INT64,
TEST_DATA_UINT64
};
static void
test_data_array (guchar *buffer, gsize len,
enum TestDataType data_type, GDataStreamByteOrder byte_order)
{
GOutputStream *stream;
GOutputStream *base_stream;
guchar *stream_data;
GError *error = NULL;
guint pos;
GDataStreamByteOrder native;
gboolean swap;
gboolean res;
/* create objects */
stream_data = g_malloc0 (len);
base_stream = g_memory_output_stream_new (stream_data, len, NULL, NULL);
stream = G_OUTPUT_STREAM (g_data_output_stream_new (base_stream));
g_data_output_stream_set_byte_order (G_DATA_OUTPUT_STREAM (stream), byte_order);
/* Set flag to swap bytes if needed */
native = (G_BYTE_ORDER == G_BIG_ENDIAN) ? G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN : G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN;
swap = (byte_order != G_DATA_STREAM_BYTE_ORDER_HOST_ENDIAN) && (byte_order != native);
/* set len to length of buffer cast to actual type */
switch (data_type)
{
case TEST_DATA_BYTE:
break;
case TEST_DATA_INT16:
case TEST_DATA_UINT16:
g_assert_cmpint (len % 2, ==, 0);
case TEST_DATA_INT32:
case TEST_DATA_UINT32:
g_assert_cmpint (len % 4, ==, 0);
case TEST_DATA_INT64:
case TEST_DATA_UINT64:
g_assert_cmpint (len % 8, ==, 0);
len /= 8;
break;
default:
g_assert_not_reached ();
break;
}
/* Write data to the file */
for (pos = 0; pos < len; pos++)
{
switch (data_type)
{
case TEST_DATA_BYTE:
res = g_data_output_stream_put_byte (G_DATA_OUTPUT_STREAM (stream), buffer[pos], NULL, &error);
break;
case TEST_DATA_INT16:
res = g_data_output_stream_put_int16 (G_DATA_OUTPUT_STREAM (stream), ((gint16 *) buffer)[pos], NULL, &error);
break;
case TEST_DATA_UINT16:
res = g_data_output_stream_put_uint16 (G_DATA_OUTPUT_STREAM (stream), ((guint16 *) buffer)[pos], NULL, &error);
break;
case TEST_DATA_INT32:
res = g_data_output_stream_put_int32 (G_DATA_OUTPUT_STREAM (stream), ((gint32 *) buffer)[pos], NULL, &error);
break;
case TEST_DATA_UINT32:
res = g_data_output_stream_put_uint32 (G_DATA_OUTPUT_STREAM (stream), ((guint32 *) buffer)[pos], NULL, &error);
break;
case TEST_DATA_INT64:
res = g_data_output_stream_put_int64 (G_DATA_OUTPUT_STREAM (stream), ((gint64 *) buffer)[pos], NULL, &error);
break;
case TEST_DATA_UINT64:
res = g_data_output_stream_put_uint64 (G_DATA_OUTPUT_STREAM (stream), ((guint64 *) buffer)[pos], NULL, &error);
break;
default:
g_assert_not_reached ();
break;
}
g_assert_no_error (error);
g_assert_cmpint (res, ==, TRUE);
}
/* Compare data back */
for (pos = 0; pos < len; pos++)
{
switch (data_type)
{
case TEST_DATA_BYTE:
/* swapping unnecessary */
g_assert_cmpint (buffer[pos], ==, stream_data[pos]);
break;
case TEST_DATA_UINT16:
if (swap)
g_assert_cmpint (GUINT16_SWAP_LE_BE (((guint16 *) buffer)[pos]), ==, ((guint16 *) stream_data)[pos]);
else
g_assert_cmpint (((guint16 *) buffer)[pos], ==, ((guint16 *) stream_data)[pos]);
break;
case TEST_DATA_INT16:
if (swap)
g_assert_cmpint ((gint16) GUINT16_SWAP_LE_BE (((gint16 *) buffer)[pos]), ==, ((gint16 *) stream_data)[pos]);
else
g_assert_cmpint (((gint16 *) buffer)[pos], ==, ((gint16 *) stream_data)[pos]);
break;
case TEST_DATA_UINT32:
if (swap)
g_assert_cmpint (GUINT32_SWAP_LE_BE (((guint32 *) buffer)[pos]), ==, ((guint32 *) stream_data)[pos]);
else
g_assert_cmpint (((guint32 *) buffer)[pos], ==, ((guint32 *) stream_data)[pos]);
break;
case TEST_DATA_INT32:
if (swap)
g_assert_cmpint ((gint32) GUINT32_SWAP_LE_BE (((gint32 *) buffer)[pos]), ==, ((gint32 *) stream_data)[pos]);
else
g_assert_cmpint (((gint32 *) buffer)[pos], ==, ((gint32 *) stream_data)[pos]);
break;
case TEST_DATA_UINT64:
if (swap)
g_assert_cmpint (GUINT64_SWAP_LE_BE (((guint64 *) buffer)[pos]), ==, ((guint64 *) stream_data)[pos]);
else
g_assert_cmpint (((guint64 *) buffer)[pos], ==, ((guint64 *) stream_data)[pos]);
break;
case TEST_DATA_INT64:
if (swap)
g_assert_cmpint ((gint64) GUINT64_SWAP_LE_BE (((gint64 *) buffer)[pos]), ==, ((gint64 *) stream_data)[pos]);
else
g_assert_cmpint (((gint64 *) buffer)[pos], ==, ((gint64 *) stream_data)[pos]);
break;
default:
g_assert_not_reached ();
break;
}
}
g_object_unref (base_stream);
g_object_unref (stream);
g_free (stream_data);
}
static void
test_read_int (void)
{
GRand *randomizer;
gpointer buffer;
int i;
randomizer = g_rand_new ();
buffer = g_malloc0(MAX_BYTES_BINARY);
/* Fill in some random data */
for (i = 0; i < MAX_BYTES_BINARY; i++)
{
guchar x = 0;
while (! x) x = (guchar)g_rand_int (randomizer);
*(guchar*)((guchar*)buffer + sizeof (guchar) * i) = x;
}
for (i = 0; i < 3; i++)
{
int j;
for (j = 0; j <= TEST_DATA_UINT64; j++)
test_data_array (buffer, MAX_BYTES_BINARY, j, i);
}
g_rand_free (randomizer);
g_free (buffer);
}
static void
test_seek (void)
{
GDataOutputStream *stream;
GMemoryOutputStream *base_stream;
GSeekable *seekable;
GError *error;
guchar *stream_data;
gsize len;
gboolean res;
len = 8;
/* create objects */
stream_data = g_malloc0 (len);
base_stream = G_MEMORY_OUTPUT_STREAM (g_memory_output_stream_new (stream_data, len, NULL, NULL));
stream = g_data_output_stream_new (G_OUTPUT_STREAM (base_stream));
g_data_output_stream_set_byte_order (stream, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
seekable = G_SEEKABLE (stream);
g_assert (!g_seekable_can_truncate (seekable));
error = NULL;
/* Write */
g_assert_cmpint (g_seekable_tell (seekable), ==, 0);
res = g_data_output_stream_put_uint16 (stream, 0x0123, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_data_output_stream_put_uint16 (stream, 0x4567, NULL, NULL);
g_assert_cmpint (g_seekable_tell (seekable), ==, 4);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
/* Forward relative seek */
res = g_seekable_seek (seekable, 2, G_SEEK_CUR, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 6);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
res = g_data_output_stream_put_uint16 (stream, 0x89AB, NULL, &error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 8);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 8);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
g_assert_cmpint (stream_data[4], ==, 0x00);
g_assert_cmpint (stream_data[5], ==, 0x00);
g_assert_cmpint (stream_data[6], ==, 0x89);
g_assert_cmpint (stream_data[7], ==, 0xAB);
/* Backward relative seek */
res = g_seekable_seek (seekable, -3, G_SEEK_CUR, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 5);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 8);
res = g_data_output_stream_put_uint16 (stream, 0xCDEF, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 7);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 8);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
g_assert_cmpint (stream_data[4], ==, 0x00);
g_assert_cmpint (stream_data[5], ==, 0xCD);
g_assert_cmpint (stream_data[6], ==, 0xEF);
g_assert_cmpint (stream_data[7], ==, 0xAB);
/* From start */
res = g_seekable_seek (seekable, 4, G_SEEK_SET, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 4);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 8);
res = g_data_output_stream_put_uint16 (stream, 0xFEDC, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 6);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 8);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
g_assert_cmpint (stream_data[4], ==, 0xFE);
g_assert_cmpint (stream_data[5], ==, 0xDC);
g_assert_cmpint (stream_data[6], ==, 0xEF);
g_assert_cmpint (stream_data[7], ==, 0xAB);
/* From end */
res = g_seekable_seek (seekable, -4, G_SEEK_END, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 4);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 8);
res = g_data_output_stream_put_uint16 (stream, 0xBA87, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_seekable_tell (seekable), ==, 6);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 8);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
g_assert_cmpint (stream_data[4], ==, 0xBA);
g_assert_cmpint (stream_data[5], ==, 0x87);
g_assert_cmpint (stream_data[6], ==, 0xEF);
g_assert_cmpint (stream_data[7], ==, 0xAB);
g_object_unref (stream);
g_object_unref (base_stream);
g_free (stream_data);
}
static void
test_truncate (void)
{
GDataOutputStream *stream;
GMemoryOutputStream *base_stream;
GSeekable *seekable;
GError *error;
guchar *stream_data;
gsize len;
gboolean res;
len = 8;
/* Create objects */
stream_data = g_malloc0 (len);
base_stream = G_MEMORY_OUTPUT_STREAM (g_memory_output_stream_new (stream_data, len, g_realloc, g_free));
stream = g_data_output_stream_new (G_OUTPUT_STREAM (base_stream));
g_data_output_stream_set_byte_order (stream, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
seekable = G_SEEKABLE (stream);
error = NULL;
g_assert (g_seekable_can_truncate (seekable));
/* Write */
g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, len);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 0);
res = g_data_output_stream_put_uint16 (stream, 0x0123, NULL, &error);
g_assert_no_error (error);
g_assert (res);
res = g_data_output_stream_put_uint16 (stream, 0x4567, NULL, NULL);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, len);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
/* Truncate at position */
res = g_seekable_truncate (seekable, 4, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 4);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
/* Truncate beyond position */
res = g_seekable_truncate (seekable, 6, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 6);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 4);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_assert_cmpint (stream_data[2], ==, 0x45);
g_assert_cmpint (stream_data[3], ==, 0x67);
/* Truncate before position */
res = g_seekable_truncate (seekable, 2, NULL, &error);
g_assert_no_error (error);
g_assert (res);
g_assert_cmpint (g_memory_output_stream_get_size (base_stream), ==, 2);
g_assert_cmpint (g_memory_output_stream_get_data_size (base_stream), ==, 2);
g_assert_cmpint (stream_data[0], ==, 0x01);
g_assert_cmpint (stream_data[1], ==, 0x23);
g_object_unref (stream);
g_object_unref (base_stream);
}
int
main (int argc,
char *argv[])
{
g_type_init ();
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/data-output-stream/basic", test_basic);
g_test_add_func ("/data-output-stream/write-lines-LF", test_read_lines_LF);
g_test_add_func ("/data-output-stream/write-lines-CR", test_read_lines_CR);
g_test_add_func ("/data-output-stream/write-lines-CR-LF", test_read_lines_CR_LF);
g_test_add_func ("/data-output-stream/write-int", test_read_int);
g_test_add_func ("/data-output-stream/seek", test_seek);
g_test_add_func ("/data-output-stream/truncate", test_truncate);
return g_test_run();
}
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