/*
** Copyright (C) 2006-2009 Erik de Castro Lopo <erikd@mega-nerd.com>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#include "sfconfig.h"

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include <inttypes.h>

#include "common.h"
#include "test_main.h"


/*
** This is a bit rough, but it is the nicest way to do it.
*/

#define cmp_test(line,ival,tval,str) \
	if (ival != tval) \
	{	printf (str, line, ival, tval) ; \
		exit (1) ; \
		} ;

static void
conversion_test (char endian)
{
	SF_PRIVATE	sf_private, *psf ;
	const char * filename = "conversion.bin" ;
	int64_t i64 = SF_PLATFORM_S64 (0x0123456789abcdef), t64 = 0 ;
	char format_str [16] ;
	char test_name [64] ;
	char i8 = 12, t8 = 0 ;
	short i16 = 0x123, t16 = 0 ;
	int i24 = 0x23456, t24 = 0 ;
	int i32 = 0x0a0b0c0d, t32 = 0 ;
	int bytes ;

	snprintf (format_str, sizeof (format_str), "%c12348", endian) ;

	snprintf (test_name, sizeof (test_name), "Testing %s conversions", endian == 'e' ? "little endian" : "big endian") ;
	print_test_name (test_name) ;

	psf = &sf_private ;
	memset (psf, 0, sizeof (sf_private)) ;

	if (psf_fopen (psf, filename, SFM_WRITE) != 0)
	{	printf ("\n\nError : failed to open file '%s' for write.\n\n", filename) ;
		exit (1) ;
		} ;

	psf_binheader_writef (psf, format_str, i8, i16, i24, i32, i64) ;
	psf_fwrite (psf->header, 1, psf->headindex, psf) ;
	psf_fclose (psf) ;

	memset (psf, 0, sizeof (sf_private)) ;
	if (psf_fopen (psf, filename, SFM_READ) != 0)
	{	printf ("\n\nError : failed to open file '%s' for read.\n\n", filename) ;
		exit (1) ;
		} ;

	bytes = psf_binheader_readf (psf, format_str, &t8, &t16, &t24, &t32, &t64) ;
	psf_fclose (psf) ;

	if (bytes != 18)
	{	printf ("\n\nLine %d : read %d bytes.\n\n", __LINE__, bytes) ;
		exit (1) ;
		} ;

	cmp_test (__LINE__, i8, t8, "\n\nLine %d : 8 bit int failed %d -> %d.\n\n") ;
	cmp_test (__LINE__, i16, t16, "\n\nLine %d : 16 bit int failed 0x%x -> 0x%x.\n\n") ;
	cmp_test (__LINE__, i24, t24, "\n\nLine %d : 24 bit int failed 0x%x -> 0x%x.\n\n") ;
	cmp_test (__LINE__, i32, t32, "\n\nLine %d : 32 bit int failed 0x%x -> 0x%x.\n\n") ;
	cmp_test (__LINE__, i64, t64, "\n\nLine %d : 64 bit int failed 0x%" PRIx64 "x -> 0x%" PRIx64 "x.\n\n") ;

	remove (filename) ;
	puts ("ok") ;
} /* conversion_test */

void
test_conversions (void)
{
	conversion_test ('E') ;
	conversion_test ('e') ;
} /* test_conversion */

