/*
 * YAFFS: Yet another FFS. A NAND-flash specific file system.
 *
 * Copyright (C) 2002-2018 Aleph One Ltd.
 *
 * Created by Timothy Manning <timothy@yaffs.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include "test_yaffs_ftruncate_EINVAL.h"

static int handle = -1;

int test_yaffs_ftruncate_EINVAL(void)
{
	int output=0;
	int error_code=0;
	handle=test_yaffs_open();

	if (handle >= 0){
		output = yaffs_ftruncate(handle,-1 );
		if (output<0){
			error_code = yaffs_get_error();
			if (abs(error_code) == EINVAL){
				return 1;
			} else {
				print_message("different error than expected\n", 2);
				return -1;
			}
		} else {
			print_message("file truncated to a negative size.(which is a bad thing)\n", 2);
			return -1;
		}
	} else {
		print_message("error opening file\n", 2);
		return -1;
	}	
}

int test_yaffs_ftruncate_EINVAL_clean(void)
{
	/* change file size back to orignal size */
	int output = 0;
	if (handle >= 0){
		output = yaffs_ftruncate(handle,FILE_SIZE );
		if (output >= 0){
			return yaffs_close(handle);
		} else {
			print_message("failed to truncate file\n", 2);
			return -1;
		}
	} else {
		/* the file was not opened so the file could not be truncated */
		return 1;
	}
}
