MicroAPRS/bertos/algo/reverse_test.c

88 lines
2.2 KiB
C

/**
* \file
* <!--
* This file is part of BeRTOS.
*
* Bertos 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
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* GNU General Public License for more details.
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
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* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
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* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*
* Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
* Copyright 1999 Bernie Innocenti <bernie@codewiz.org>
*
* -->
*
* \brief REVERSE macro test.
*
* \author Francesco Sacchi <batt@develer.com>
*/
#include <cfg/macros.h>
#include <cfg/debug.h>
#include <cfg/test.h>
/* Silent compiler warning */
int reverse_testSetup(void);
int reverse_testRun(void);
int reverse_testTearDown(void);
int reverse_testSetup(void)
{
kdbg_init();
return 0;
}
int reverse_testTearDown(void)
{
return 0;
}
/**
* Naive reverse implementation.
*/
static uint8_t reverse(uint8_t b)
{
uint8_t r = 0;
for (int i = 0; i < 8; i++)
{
r <<= 1;
r |= (b & BV(i)) ? 1 : 0;
}
return r;
}
int reverse_testRun(void)
{
for (int i = 0; i < 256; i++)
{
kprintf("i [%02X], REVERSE(i) [%02X], reverse(i) [%02X]\n", i, REVERSE_UINT8(i), reverse(i));
ASSERT(reverse(i) == REVERSE_UINT8(i));
}
return 0;
}
TEST_MAIN(reverse);