385 lines
8.8 KiB
C
385 lines
8.8 KiB
C
/*
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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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*/
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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 TEST_FAIL(x) error = (x); goto end;
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#define FILE_SIZE 4096
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/*---------------------------------------------------------------------------*/
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static int
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coffee_test_basic(void)
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{
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int error;
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int wfd, rfd, afd;
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unsigned char buf[256];
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int r;
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cfs_remove("T1");
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wfd = rfd = afd = -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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TEST_FAIL(1);
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}
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/* Test 2 and 3: Write buffer. */
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r = cfs_write(wfd, buf, sizeof(buf));
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if(r < 0) {
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TEST_FAIL(2);
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} else if(r < sizeof(buf)) {
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TEST_FAIL(3);
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}
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/* Test 4: Deny reading. */
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r = cfs_read(wfd, buf, sizeof(buf));
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if(r >= 0) {
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TEST_FAIL(4);
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}
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/* Test 5: Open for reading. */
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rfd = cfs_open("T1", CFS_READ);
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if(rfd < 0) {
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TEST_FAIL(5);
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}
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/* Test 6: 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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TEST_FAIL(6);
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}
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/* Test 7 and 8: 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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TEST_FAIL(7);
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} else if(r < sizeof(buf)) {
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printf("r=%d\n", r);
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TEST_FAIL(8);
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}
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/* Test 9: 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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TEST_FAIL(9);
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}
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}
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/* Test 10: Seek to beginning. */
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if(cfs_seek(wfd, 0, CFS_SEEK_SET) != 0) {
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TEST_FAIL(10);
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}
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/* Test 11 and 12: 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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TEST_FAIL(11);
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} else if(r < sizeof(buf)) {
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TEST_FAIL(12);
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}
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/* Test 13 and 14: Read the data from the log. */
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cfs_seek(rfd, 0, CFS_SEEK_SET);
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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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TEST_FAIL(14);
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} else if(r < sizeof(buf)) {
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TEST_FAIL(15);
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}
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/* Test 16: 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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TEST_FAIL(16);
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}
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}
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/* Test 17 to 20: 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, CFS_SEEK_SET) != 0) {
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TEST_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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TEST_FAIL(18);
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} else if(r < sizeof(buf)) {
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TEST_FAIL(19);
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}
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if(cfs_seek(rfd, 0, CFS_SEEK_SET) != 0) {
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TEST_FAIL(20);
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}
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/* Test 21 and 22: Read the reversed buffer. */
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cfs_seek(rfd, 0, CFS_SEEK_SET);
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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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TEST_FAIL(21);
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} else if(r < sizeof(buf)) {
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printf("r = %d\n", r);
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TEST_FAIL(22);
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}
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/* Test 23: 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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TEST_FAIL(23);
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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);
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cfs_close(rfd);
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return error;
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}
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/*---------------------------------------------------------------------------*/
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static int
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coffee_test_append(void)
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{
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int error;
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int afd;
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unsigned char buf[256], buf2[11];
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int r, i, j, total_read;
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#define APPEND_BYTES 1000
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#define BULK_SIZE 10
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cfs_remove("T2");
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/* Test 1 and 2: Append data to the same file many times. */
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for(i = 0; i < APPEND_BYTES; i += BULK_SIZE) {
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afd = cfs_open("T3", CFS_WRITE | CFS_APPEND);
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if(afd < 0) {
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TEST_FAIL(1);
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}
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for(j = 0; j < BULK_SIZE; j++) {
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buf[j] = 1 + ((i + j) & 0x7f);
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}
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if((r = cfs_write(afd, buf, BULK_SIZE)) != BULK_SIZE) {
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printf("r=%d\n", r);
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TEST_FAIL(2);
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}
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cfs_close(afd);
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}
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/* Test 3-6: Read back the data written previously and verify that it
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is correct. */
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afd = cfs_open("T3", CFS_READ);
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if(afd < 0) {
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TEST_FAIL(3);
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}
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total_read = 0;
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while((r = cfs_read(afd, buf2, sizeof(buf2))) > 0) {
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for(j = 0; j < r; j++) {
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if(buf2[j] != 1 + ((total_read + j) & 0x7f)) {
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TEST_FAIL(4);
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}
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}
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total_read += r;
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}
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if(r < 0) {
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TEST_FAIL(5);
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}
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if(total_read != APPEND_BYTES) {
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TEST_FAIL(6);
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}
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cfs_close(afd);
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error = 0;
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end:
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cfs_close(afd);
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return error;
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}
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/*---------------------------------------------------------------------------*/
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static int
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coffee_test_modify(void)
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{
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int error;
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int wfd;
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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_remove("T3");
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wfd = -1;
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if(cfs_coffee_reserve("T3", FILE_SIZE) < 0) {
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TEST_FAIL(1);
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}
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if(cfs_coffee_configure_log("T3", FILE_SIZE / 2, 11) < 0) {
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TEST_FAIL(2);
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}
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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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TEST_FAIL(3);
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}
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offset = random_rand() % FILE_SIZE;
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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, CFS_SEEK_SET) != offset) {
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TEST_FAIL(4);
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}
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if(cfs_write(wfd, buf, sizeof(buf)) != sizeof(buf)) {
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TEST_FAIL(5);
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}
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if(cfs_seek(wfd, offset, CFS_SEEK_SET) != offset) {
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TEST_FAIL(6);
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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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TEST_FAIL(7);
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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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TEST_FAIL(8);
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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);
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return error;
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}
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/*---------------------------------------------------------------------------*/
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static int
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coffee_test_gc(void)
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{
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int i;
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cfs_remove("alpha");
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cfs_remove("beta");
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for (i = 0; i < 100; i++) {
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if (i & 1) {
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if(cfs_coffee_reserve("alpha", random_rand() & 0xffff) < 0) {
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return i;
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}
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cfs_remove("beta");
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} else {
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if(cfs_coffee_reserve("beta", 93171) < 0) {
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return i;
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}
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cfs_remove("alpha");
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}
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void
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print_result(const char *test_name, int result)
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{
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printf("%s: ", test_name);
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if(result == 0) {
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printf("OK\n");
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} else {
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printf("ERROR (test %d)\n", result);
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}
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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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int start;
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int result;
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PROCESS_BEGIN();
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start = clock_seconds();
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printf("Coffee test started\n");
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result = cfs_coffee_format();
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print_result("Formatting", result);
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result = coffee_test_basic();
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print_result("Basic operations", result);
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result = coffee_test_append();
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print_result("File append", result);
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result = coffee_test_modify();
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print_result("File modification", result);
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result = coffee_test_gc();
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print_result("Garbage collection", result);
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printf("Coffee test finished. Duration: %d seconds\n",
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(int)(clock_seconds() - start));
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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