/**
 * \file
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 *
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 *
 * 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);