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/*************************************************************************************************
* Test cases for Depot for Java
* Copyright (C) 2000-2006 Mikio Hirabayashi
* This file is part of QDBM, Quick Database Manager.
* QDBM 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 any later version. QDBM 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 QDBM; if
* not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*************************************************************************************************/
package qdbm;
/**
* Test case for Depot.
*/
class DepotTester extends Thread {
//----------------------------------------------------------------
// constants
//----------------------------------------------------------------
private static final int LOOPNUM = 10000;
private static final int BUCKETNUM = 1000;
private static final int THREADNUM = 10;
private static final java.util.Random RND = new java.util.Random();
//----------------------------------------------------------------
// instance fields
//----------------------------------------------------------------
private Depot mydepot;
private int myid;
private boolean myprinter;
private DepotException myde;
//----------------------------------------------------------------
// public or protected methods
//----------------------------------------------------------------
/**
* Main routine.
* @param args specifies a name of a database file with the first element.
*/
public static void main(String[] args){
if(args.length != 1){
System.err.println("usege: java qdbm.DepotTester name");
return;
}
if(!dowrite(args[0])) System.exit(1);
if(!doread(args[0])) System.exit(1);
if(!domulti(args[0])) System.exit(1);
System.out.println("all ok");
System.out.println("");
System.exit(0);
}
/**
* Perform writing test.
* @param name specifies a name of a database.
* @return whether the test is success or not.
*/
public static boolean dowrite(String name){
System.out.println("<Writing Test>");
System.out.println(" name=" + name);
System.out.println("");
Depot depot = null;
boolean err = false;
try {
// open a database
System.out.print("Creating ... ");
depot = new Depot(name, Depot.OWRITER | Depot.OCREAT | Depot.OTRUNC, BUCKETNUM);
System.out.println("ok");
// loop for storing
System.out.println("Writing");
for(int i = 1; i <= LOOPNUM; i++){
byte[] buf = Util.numstr(i, 8, '0').getBytes();
// store a record into the database
depot.put(buf, buf, Depot.DOVER);
// print progression
if(i % (LOOPNUM / 250) == 0){
System.out.print('.');
System.out.flush();
if(i == LOOPNUM || i % (LOOPNUM / 10) == 0){
System.out.println(" (" + new String(buf) + ")");
System.out.flush();
}
}
}
System.out.println("ok");
} catch(DepotException e){
err = true;
// report an error
System.err.println(e);
} finally {
try {
// close the database
System.out.print("Closing ... ");
if(depot != null) depot.close();
System.out.println("ok");
} catch(DepotException e){}
}
System.out.println("");
return err ? false : true;
}
/**
* Perform reading test.
* @param name specifies a name of a database.
* @return whether the test is success or not.
*/
public static boolean doread(String name){
System.out.println("<Reading Test>");
System.out.println(" name=" + name);
System.out.println("");
Depot depot = null;
boolean err = false;
try {
// open a database
System.out.print("Opening ... ");
depot = new Depot(name);
System.out.println("ok");
System.out.println("Reading");
// loop for retrieving
for(int i = 1; i <= LOOPNUM; i++){
byte[] buf = Util.numstr(i, 8, '0').getBytes();
// retrieve a record from the database
depot.get(buf, 0, -1);
// print progression
if(i % (LOOPNUM / 250) == 0){
System.out.print('.');
System.out.flush();
if(i == LOOPNUM || i % (LOOPNUM / 10) == 0){
System.out.println(" (" + new String(buf) + ")");
System.out.flush();
}
}
}
System.out.println("ok");
} catch(DepotException e){
err = true;
// report an error
System.err.println(e);
} finally {
try {
// close the database
System.out.print("Closing ... ");
if(depot != null) depot.close();
System.out.println("ok");
} catch(DepotException e){}
}
System.out.println("");
return err ? false : true;
}
/**
* Perform multi thread test.
* @param name specifies a name of a database.
* @return whether the test is success or not.
*/
public static boolean domulti(String name){
System.out.println("<Multi-thread Test>");
System.out.println(" name=" + name);
System.out.println("");
Depot depot = null;
boolean err = false;
try {
// open a database
System.out.print("Opening ... ");
depot = new Depot(name, Depot.OWRITER | Depot.OCREAT | Depot.OTRUNC, BUCKETNUM);
System.out.println("ok");
// prepare threads
DepotTester[] dts = new DepotTester[THREADNUM];
// roop for each threads
System.out.println("Writing");
for(int i = 0; i < dts.length; i++){
dts[i] = new DepotTester(depot, i, i == dts.length / 2);
dts[i].start();
}
// join every threads
for(int i = 0; i < dts.length; i++){
try {
dts[i].join();
if(dts[i].myde != null){
err = true;
System.err.println(dts[i].myde);
}
} catch(InterruptedException e){
i--;
}
}
if(!err) System.out.println("ok");
System.out.flush();
// check every record
System.out.print("Validation checking ... ");
for(int i = 1; i <= LOOPNUM; i++){
byte[] buf = Util.numstr(i, 8, '0').getBytes();
byte[] val = depot.get(buf, 0, -1);
if(val.length != THREADNUM){
err = true;
System.err.println("size error: " + val.length);
}
}
if(!err) System.out.println("ok");
} catch(DepotException e){
err = true;
System.err.println(e);
} finally {
try {
// close the database
System.out.print("Closing ... ");
if(depot != null) depot.close();
System.out.println("ok");
} catch(DepotException e){}
}
System.out.println("");
return err ? false : true;
}
/**
* Constructor for multi thread test.
*/
private DepotTester(Depot depot, int id, boolean printer){
mydepot = depot;
myid = id;
myprinter = printer;
myde = null;
}
/**
* Method for multi thread test.
*/
public void run(){
// roop for storing
for(int i = 1; i <= LOOPNUM; i++){
// store a record into the database
byte[] buf = Util.numstr(i, 8, '0').getBytes();
try {
if(RND.nextInt(LOOPNUM / 20) == 0) yield();
mydepot.put(buf, (myid % 2 == 0 ? "=" : "*").getBytes(), Depot.DCAT);
} catch(DepotException e){
myde = e;
return;
}
// print progression
if(myprinter && i % (LOOPNUM / 250) == 0){
System.out.print('.');
System.out.flush();
if(i == LOOPNUM || i % (LOOPNUM / 10) == 0){
System.out.println(" (" + new String(buf) + ")");
System.out.flush();
// garbage collection test
System.gc();
}
}
}
}
}
/* END OF FILE */
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