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- /*
- * 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,
- };
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