/*
Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic 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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file test/file_group_test.cc
- * @brief Check that FileGroup works.
+ * @brief Test FileGroup class.
+ * @ingroup selfcontained
*/
#include <stdint.h>
for (int i = 0; i < 65536; ++i) {
data[i] = rand() & 0xff;
}
-
+
int const num_files = 4;
int length[] = {
BOOST_CHECK_EQUAL (memcmp (data + pos, test, 128), 0);
pos += 128;
- /* Read overlapping B/C/D and over-reading */
+ /* Read overlapping B/C/D and over-reading by a lot */
BOOST_CHECK_EQUAL (fg.read (test, total_length * 3), total_length - pos);
BOOST_CHECK_EQUAL (memcmp (data + pos, test, total_length - pos), 0);
- /* Bad seek */
- BOOST_CHECK_EQUAL (fg.seek (total_length * 2, SEEK_SET), -1);
+ /* Over-read by a little */
+ BOOST_CHECK_EQUAL (fg.seek (0, SEEK_SET), 0);
+ BOOST_CHECK_EQUAL (fg.read (test, total_length), total_length);
+ BOOST_CHECK_EQUAL (fg.read (test, 1), 0);
+
+ /* Seeking off the end of the file should not give an error */
+ BOOST_CHECK_EQUAL (fg.seek (total_length * 2, SEEK_SET), total_length * 2);
+ /* and attempting to read should return nothing */
+ BOOST_CHECK_EQUAL (fg.read (test, 64), 0);
+ /* but the requested seek should be remembered, so if we now go back (relatively) */
+ BOOST_CHECK_EQUAL (fg.seek (-total_length * 2, SEEK_CUR), 0);
+ /* we should be at the start again */
+ BOOST_CHECK_EQUAL (fg.read (test, 64), 64);
+ BOOST_CHECK_EQUAL (memcmp (data, test, 64), 0);
/* SEEK_SET */
BOOST_CHECK_EQUAL (fg.seek (999, SEEK_SET), 999);