nes-proj/examples/sky/test-coffee.c

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/*
* Copyright (c) 2008, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
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* $Id: test-coffee.c,v 1.4 2008/11/24 10:59:40 nvt-se Exp $
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*/
/**
* \file
* Basic test for CFS/Coffee.
* \author
* Nicolas Tsiftes <nvt@sics.se>
*/
#include "contiki.h"
#include "cfs/cfs.h"
#include "cfs/cfs-coffee.h"
#include "lib/crc16.h"
#include "lib/random.h"
#include <stdio.h>
#include <string.h>
PROCESS(testcoffee_process, "Test CFS/Coffee process");
AUTOSTART_PROCESSES(&testcoffee_process);
#define FAIL(x) error = (x); goto end;
/*---------------------------------------------------------------------------*/
static int
run_consistency_test(void)
{
int error;
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int wfd, rfd, afd;
unsigned char buf[256], buf2[11];
int r, i, j, total_read;
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unsigned offset;
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cfs_remove("T1");
cfs_remove("T2");
cfs_remove("T3");
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wfd = rfd = afd = -1;
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for(r = 0; r < sizeof(buf); r++) {
buf[r] = r;
}
/* Test 1: Open for writing. */
wfd = cfs_open("T1", CFS_WRITE);
if(wfd < 0) {
FAIL(-1);
}
/* Test 2: Write buffer. */
r = cfs_write(wfd, buf, sizeof(buf));
if(r < 0) {
FAIL(-2);
} else if(r < sizeof(buf)) {
FAIL(-3);
}
/* Test 3: Deny reading. */
r = cfs_read(wfd, buf, sizeof(buf));
if(r >= 0) {
FAIL(-4);
}
/* Test 4: Open for reading. */
rfd = cfs_open("T1", CFS_READ);
if(rfd < 0) {
FAIL(-5);
}
/* Test 5: Write to read-only file. */
r = cfs_write(rfd, buf, sizeof(buf));
if(r >= 0) {
FAIL(-6);
}
/* Test 7: Read the buffer written in Test 2. */
memset(buf, 0, sizeof(buf));
r = cfs_read(rfd, buf, sizeof(buf));
if(r < 0) {
FAIL(-8);
} else if(r < sizeof(buf)) {
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printf("r=%d\n", r);
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FAIL(-9);
}
/* Test 8: Verify that the buffer is correct. */
for(r = 0; r < sizeof(buf); r++) {
if(buf[r] != r) {
printf("r=%d. buf[r]=%d\n", r, buf[r]);
FAIL(-10);
}
}
/* Test 9: Seek to beginning. */
if(cfs_seek(wfd, 0) != 0) {
FAIL(-11);
}
/* Test 10: Write to the log. */
r = cfs_write(wfd, buf, sizeof(buf));
if(r < 0) {
FAIL(-12);
} else if(r < sizeof(buf)) {
FAIL(-13);
}
/* Test 11: Read the data from the log. */
cfs_seek(rfd, 0);
memset(buf, 0, sizeof(buf));
r = cfs_read(rfd, buf, sizeof(buf));
if(r < 0) {
FAIL(-14);
} else if(r < sizeof(buf)) {
FAIL(-15);
}
/* Test 12: Verify that the data is correct. */
for(r = 0; r < sizeof(buf); r++) {
if(buf[r] != r) {
FAIL(-16);
}
}
/* Test 13: Write a reversed buffer to the file. */
for(r = 0; r < sizeof(buf); r++) {
buf[r] = sizeof(buf) - r - 1;
}
if(cfs_seek(wfd, 0) != 0) {
FAIL(-17);
}
r = cfs_write(wfd, buf, sizeof(buf));
if(r < 0) {
FAIL(-18);
} else if(r < sizeof(buf)) {
FAIL(-19);
}
if(cfs_seek(rfd, 0) != 0) {
FAIL(-20);
}
/* Test 14: Read the reversed buffer. */
cfs_seek(rfd, 0);
memset(buf, 0, sizeof(buf));
r = cfs_read(rfd, buf, sizeof(buf));
if(r < 0) {
FAIL(-21);
} else if(r < sizeof(buf)) {
printf("r = %d\n", r);
FAIL(-22);
}
/* Test 15: Verify that the data is correct. */
for(r = 0; r < sizeof(buf); r++) {
if(buf[r] != sizeof(buf) - r - 1) {
FAIL(-23);
}
}
cfs_close(rfd);
cfs_close(wfd);
/* Test 16: Test multiple writes at random offset. */
for(r = 0; r < 100; r++) {
wfd = cfs_open("T2", CFS_WRITE | CFS_READ);
if(wfd < 0) {
FAIL(-24);
}
offset = random_rand() % 8192;
for(r = 0; r < sizeof(buf); r++) {
buf[r] = r;
}
if(cfs_seek(wfd, offset) != offset) {
FAIL(-25);
}
if(cfs_write(wfd, buf, sizeof(buf)) != sizeof(buf)) {
FAIL(-26);
}
if(cfs_seek(wfd, offset) != offset) {
printf("offset = %u\n", offset);
FAIL(-27);
}
memset(buf, 0, sizeof(buf));
if(cfs_read(wfd, buf, sizeof(buf)) != sizeof(buf)) {
FAIL(-28);
}
for(i = 0; i < sizeof(buf); i++) {
if(buf[i] != i) {
printf("buf[%d] != %d\n", i, buf[i]);
FAIL(-29);
}
}
}
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/* Test 17: Append data to the same file many times. */
#define APPEND_BYTES 1000
#define BULK_SIZE 10
for(i = 0; i < APPEND_BYTES; i += BULK_SIZE) {
afd = cfs_open("T3", CFS_WRITE | CFS_APPEND);
if(afd < 0) {
FAIL(-30);
}
for(j = 0; j < BULK_SIZE; j++) {
buf[j] = 1 + ((i + j) & 0x7f);
}
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if((r = cfs_write(afd, buf, BULK_SIZE)) != BULK_SIZE) {
printf("r=%d\n", r);
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FAIL(-31);
}
cfs_close(afd);
}
/* Test 18: Read back the data written in Test 17 and verify that it
is correct. */
afd = cfs_open("T3", CFS_READ);
if(afd < 0) {
FAIL(-32);
}
total_read = 0;
while((r = cfs_read(afd, buf2, sizeof(buf2))) > 0) {
for(j = 0; j < r; j++) {
if(buf2[j] != 1 + ((total_read + j) & 0x7f)) {
FAIL(-33);
}
}
total_read += r;
}
if(r < 0) {
FAIL(-34);
}
if(total_read != APPEND_BYTES) {
FAIL(-35);
}
cfs_close(afd);
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error = 0;
end:
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cfs_close(wfd); cfs_close(rfd); cfs_close(afd);
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return error;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(testcoffee_process, ev, data)
{
PROCESS_BEGIN();
printf("Coffee consistency test: %d\n", run_consistency_test());
PROCESS_END();
}
/*---------------------------------------------------------------------------*/