103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/*
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* Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/** @file
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*
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* Bit operations self-tests
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*
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*/
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/* Forcibly enable assertions */
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#undef NDEBUG
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#include <stdint.h>
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#include <string.h>
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#include <assert.h>
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#include <ipxe/bitops.h>
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#include <ipxe/test.h>
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/**
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* Perform bit operations self-tests
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*
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*/
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static void bitops_test_exec ( void ) {
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uint8_t bits[32];
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/* Initialise bits */
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memset ( bits, 0, sizeof ( bits ) );
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/* Test set_bit() */
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set_bit ( 0, bits );
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ok ( bits[0] == 0x01 );
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set_bit ( 17, bits );
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ok ( bits[2] == 0x02 );
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set_bit ( 22, bits );
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ok ( bits[2] == 0x42 );
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set_bit ( 22, bits );
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ok ( bits[2] == 0x42 );
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/* Test clear_bit() */
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clear_bit ( 0, bits );
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ok ( bits[0] == 0x00 );
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bits[5] = 0xff;
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clear_bit ( 42, bits );
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ok ( bits[5] == 0xfb );
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clear_bit ( 42, bits );
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ok ( bits[5] == 0xfb );
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clear_bit ( 44, bits );
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ok ( bits[5] == 0xeb );
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/* Test test_and_set_bit() */
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ok ( test_and_set_bit ( 0, bits ) == 0 );
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ok ( bits[0] == 0x01 );
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ok ( test_and_set_bit ( 0, bits ) != 0 );
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ok ( bits[0] == 0x01 );
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ok ( test_and_set_bit ( 69, bits ) == 0 );
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ok ( bits[8] == 0x20 );
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ok ( test_and_set_bit ( 69, bits ) != 0 );
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ok ( bits[8] == 0x20 );
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ok ( test_and_set_bit ( 69, bits ) != 0 );
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ok ( bits[8] == 0x20 );
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/* Test test_and_clear_bit() */
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ok ( test_and_clear_bit ( 0, bits ) != 0 );
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ok ( bits[0] == 0x00 );
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ok ( test_and_clear_bit ( 0, bits ) == 0 );
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ok ( bits[0] == 0x00 );
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bits[31] = 0xeb;
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ok ( test_and_clear_bit ( 255, bits ) != 0 );
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ok ( bits[31] == 0x6b );
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ok ( test_and_clear_bit ( 255, bits ) == 0 );
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ok ( bits[31] == 0x6b );
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ok ( test_and_clear_bit ( 255, bits ) == 0 );
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ok ( bits[31] == 0x6b );
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}
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/** Bit operations self-test */
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struct self_test bitops_test __self_test = {
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.name = "bitops",
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.exec = bitops_test_exec,
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};
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