/*
* Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program 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, 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
/** @file
*
* Bit operations self-tests
*
*/
/* Forcibly enable assertions */
#undef NDEBUG
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <ipxe/bitops.h>
#include <ipxe/test.h>
/**
* Perform bit operations self-tests
*
*/
static void bitops_test_exec ( void ) {
uint8_t bits[32];
/* Initialise bits */
memset ( bits, 0, sizeof ( bits ) );
/* Test set_bit() */
set_bit ( 0, bits );
ok ( bits[0] == 0x01 );
set_bit ( 17, bits );
ok ( bits[2] == 0x02 );
set_bit ( 22, bits );
ok ( bits[2] == 0x42 );
set_bit ( 22, bits );
ok ( bits[2] == 0x42 );
/* Test clear_bit() */
clear_bit ( 0, bits );
ok ( bits[0] == 0x00 );
bits[5] = 0xff;
clear_bit ( 42, bits );
ok ( bits[5] == 0xfb );
clear_bit ( 42, bits );
ok ( bits[5] == 0xfb );
clear_bit ( 44, bits );
ok ( bits[5] == 0xeb );
/* Test test_and_set_bit() */
ok ( test_and_set_bit ( 0, bits ) == 0 );
ok ( bits[0] == 0x01 );
ok ( test_and_set_bit ( 0, bits ) != 0 );
ok ( bits[0] == 0x01 );
ok ( test_and_set_bit ( 69, bits ) == 0 );
ok ( bits[8] == 0x20 );
ok ( test_and_set_bit ( 69, bits ) != 0 );
ok ( bits[8] == 0x20 );
ok ( test_and_set_bit ( 69, bits ) != 0 );
ok ( bits[8] == 0x20 );
/* Test test_and_clear_bit() */
ok ( test_and_clear_bit ( 0, bits ) != 0 );
ok ( bits[0] == 0x00 );
ok ( test_and_clear_bit ( 0, bits ) == 0 );
ok ( bits[0] == 0x00 );
bits[31] = 0xeb;
ok ( test_and_clear_bit ( 255, bits ) != 0 );
ok ( bits[31] == 0x6b );
ok ( test_and_clear_bit ( 255, bits ) == 0 );
ok ( bits[31] == 0x6b );
ok ( test_and_clear_bit ( 255, bits ) == 0 );
ok ( bits[31] == 0x6b );
}
/** Bit operations self-test */
struct self_test bitops_test __self_test = {
.name = "bitops",
.exec = bitops_test_exec,
};
