basic tests of Coffee.
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examples/sky/test-coffee.c
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examples/sky/test-coffee.c
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/*
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* Copyright (c) 2008, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: test-coffee.c,v 1.1 2008/09/18 10:35:30 nvt-se Exp $
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*/
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/**
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* \file
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* Basic test for CFS/Coffee.
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* \author
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* Nicolas Tsiftes <nvt@sics.se>
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*/
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#include "contiki.h"
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#include "cfs/cfs.h"
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#include "cfs/cfs-coffee.h"
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#include "lib/crc16.h"
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#include "lib/random.h"
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#include <stdio.h>
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#include <string.h>
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PROCESS(testcoffee_process, "Test CFS/Coffee process");
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AUTOSTART_PROCESSES(&testcoffee_process);
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#define FAIL(x) error = (x); goto end;
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/*---------------------------------------------------------------------------*/
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static int
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run_consistency_test(void)
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{
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int error;
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int wfd, rfd;
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unsigned char buf[256];
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int r, i;
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unsigned offset;
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cfs_coffee_remove("T1");
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wfd = rfd = -1;
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for(r = 0; r < sizeof(buf); r++) {
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buf[r] = r;
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}
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/* Test 1: Open for writing. */
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wfd = cfs_open("T1", CFS_WRITE);
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if(wfd < 0) {
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FAIL(-1);
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}
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/* Test 2: Write buffer. */
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r = cfs_write(wfd, buf, sizeof(buf));
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if(r < 0) {
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FAIL(-2);
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} else if(r < sizeof(buf)) {
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FAIL(-3);
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}
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/* Test 3: Deny reading. */
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r = cfs_read(wfd, buf, sizeof(buf));
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if(r >= 0) {
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FAIL(-4);
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}
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/* Test 4: Open for reading. */
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rfd = cfs_open("T1", CFS_READ);
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if(rfd < 0) {
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FAIL(-5);
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}
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/* Test 5: Write to read-only file. */
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r = cfs_write(rfd, buf, sizeof(buf));
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if(r >= 0) {
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FAIL(-6);
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}
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/* Test 7: Read the buffer written in Test 2. */
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memset(buf, 0, sizeof(buf));
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r = cfs_read(rfd, buf, sizeof(buf));
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if(r < 0) {
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FAIL(-8);
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} else if(r < sizeof(buf)) {
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FAIL(-9);
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}
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/* Test 8: Verify that the buffer is correct. */
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for(r = 0; r < sizeof(buf); r++) {
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if(buf[r] != r) {
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printf("r=%d. buf[r]=%d\n", r, buf[r]);
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FAIL(-10);
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}
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}
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/* Test 9: Seek to beginning. */
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if(cfs_seek(wfd, 0) != 0) {
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FAIL(-11);
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}
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/* Test 10: Write to the log. */
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r = cfs_write(wfd, buf, sizeof(buf));
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if(r < 0) {
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FAIL(-12);
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} else if(r < sizeof(buf)) {
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FAIL(-13);
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}
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/* Test 11: Read the data from the log. */
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cfs_seek(rfd, 0);
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memset(buf, 0, sizeof(buf));
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r = cfs_read(rfd, buf, sizeof(buf));
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if(r < 0) {
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FAIL(-14);
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} else if(r < sizeof(buf)) {
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FAIL(-15);
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}
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/* Test 12: Verify that the data is correct. */
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for(r = 0; r < sizeof(buf); r++) {
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if(buf[r] != r) {
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FAIL(-16);
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}
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}
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/* Test 13: Write a reversed buffer to the file. */
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for(r = 0; r < sizeof(buf); r++) {
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buf[r] = sizeof(buf) - r - 1;
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}
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if(cfs_seek(wfd, 0) != 0) {
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FAIL(-17);
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}
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r = cfs_write(wfd, buf, sizeof(buf));
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if(r < 0) {
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FAIL(-18);
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} else if(r < sizeof(buf)) {
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FAIL(-19);
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}
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if(cfs_seek(rfd, 0) != 0) {
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FAIL(-20);
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}
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/* Test 14: Read the reversed buffer. */
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cfs_seek(rfd, 0);
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memset(buf, 0, sizeof(buf));
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r = cfs_read(rfd, buf, sizeof(buf));
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if(r < 0) {
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FAIL(-21);
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} else if(r < sizeof(buf)) {
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printf("r = %d\n", r);
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FAIL(-22);
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}
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/* Test 15: Verify that the data is correct. */
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for(r = 0; r < sizeof(buf); r++) {
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if(buf[r] != sizeof(buf) - r - 1) {
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FAIL(-23);
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}
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}
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cfs_close(rfd);
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cfs_close(wfd);
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/* Test 16: Test multiple writes at random offset. */
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for(r = 0; r < 100; r++) {
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wfd = cfs_open("T2", CFS_WRITE | CFS_READ);
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if(wfd < 0) {
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FAIL(-24);
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}
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offset = random_rand() % 8192;
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offset &= ~0xffU;
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for(r = 0; r < sizeof(buf); r++) {
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buf[r] = r;
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}
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if(cfs_seek(wfd, offset) != offset) {
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FAIL(-25);
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}
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if(cfs_write(wfd, buf, sizeof(buf)) != sizeof(buf)) {
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FAIL(-26);
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}
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if(cfs_seek(wfd, offset) != offset) {
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printf("offset = %u\n", offset);
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FAIL(-27);
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}
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memset(buf, 0, sizeof(buf));
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if(cfs_read(wfd, buf, sizeof(buf)) != sizeof(buf)) {
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FAIL(-28);
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}
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for(i = 0; i < sizeof(buf); i++) {
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if(buf[i] != i) {
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printf("buf[%d] != %d\n", i, buf[i]);
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FAIL(-29);
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}
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}
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}
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error = 0;
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end:
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cfs_close(wfd); cfs_close(rfd);
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return error;
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(testcoffee_process, ev, data)
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{
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PROCESS_BEGIN();
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printf("Coffee consistency test: %d\n", run_consistency_test());
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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