mariadb/bdb/test/scr016/TestConstruct02.java
ram@mysql.r18.ru 5e09392faa BDB 4.1.24
2002-10-30 15:57:05 +04:00

326 lines
8.2 KiB
Java

/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000-2002
* Sleepycat Software. All rights reserved.
*
* $Id: TestConstruct02.java,v 1.6 2002/08/16 19:35:54 dda Exp $
*/
/*
* Do some regression tests for constructors.
* Run normally (without arguments) it is a simple regression test.
* Run with a numeric argument, it repeats the regression a number
* of times, to try to determine if there are memory leaks.
*/
package com.sleepycat.test;
import com.sleepycat.db.*;
import java.io.File;
import java.io.IOException;
import java.io.FileNotFoundException;
public class TestConstruct02
{
public static final String CONSTRUCT02_DBNAME = "construct02.db";
public static final String CONSTRUCT02_DBDIR = "./";
public static final String CONSTRUCT02_DBFULLPATH =
CONSTRUCT02_DBDIR + "/" + CONSTRUCT02_DBNAME;
private int itemcount; // count the number of items in the database
public static boolean verbose_flag = false;
private DbEnv dbenv = new DbEnv(0);
public TestConstruct02()
throws DbException, FileNotFoundException
{
dbenv.open(CONSTRUCT02_DBDIR, Db.DB_CREATE | Db.DB_INIT_MPOOL, 0666);
}
public void close()
{
try {
dbenv.close(0);
removeall(true, true);
}
catch (DbException dbe) {
ERR("DbException: " + dbe);
}
}
public static void ERR(String a)
{
System.out.println("FAIL: " + a);
sysexit(1);
}
public static void DEBUGOUT(String s)
{
System.out.println(s);
}
public static void VERBOSEOUT(String s)
{
if (verbose_flag)
System.out.println(s);
}
public static void sysexit(int code)
{
System.exit(code);
}
private static void check_file_removed(String name, boolean fatal,
boolean force_remove_first)
{
File f = new File(name);
if (force_remove_first) {
f.delete();
}
if (f.exists()) {
if (fatal)
System.out.print("FAIL: ");
System.out.print("File \"" + name + "\" still exists after run\n");
if (fatal)
sysexit(1);
}
}
// Check that key/data for 0 - count-1 are already present,
// and write a key/data for count. The key and data are
// both "0123...N" where N == count-1.
//
void rundb(Db db, int count)
throws DbException, FileNotFoundException
{
if (count >= 64)
throw new IllegalArgumentException("rundb count arg >= 64");
// The bit map of keys we've seen
long bitmap = 0;
// The bit map of keys we expect to see
long expected = (1 << (count+1)) - 1;
byte outbuf[] = new byte[count+1];
int i;
for (i=0; i<count; i++) {
outbuf[i] = (byte)('0' + i);
}
outbuf[i++] = (byte)'x';
Dbt key = new Dbt(outbuf, 0, i);
Dbt data = new Dbt(outbuf, 0, i);
db.put(null, key, data, Db.DB_NOOVERWRITE);
// Acquire a cursor for the table.
Dbc dbcp = db.cursor(null, 0);
// Walk through the table, checking
Dbt readkey = new Dbt();
Dbt readdata = new Dbt();
Dbt whoknows = new Dbt();
readkey.set_flags(Db.DB_DBT_MALLOC);
readdata.set_flags(Db.DB_DBT_MALLOC);
while (dbcp.get(readkey, readdata, Db.DB_NEXT) == 0) {
byte[] key_bytes = readkey.get_data();
byte[] data_bytes = readdata.get_data();
int len = key_bytes.length;
if (len != data_bytes.length) {
ERR("key and data are different");
}
for (i=0; i<len-1; i++) {
byte want = (byte)('0' + i);
if (key_bytes[i] != want || data_bytes[i] != want) {
System.out.println(" got " + new String(key_bytes) +
"/" + new String(data_bytes));
ERR("key or data is corrupt");
}
}
if (len <= 0 ||
key_bytes[len-1] != (byte)'x' ||
data_bytes[len-1] != (byte)'x') {
ERR("reread terminator is bad");
}
len--;
long bit = (1 << len);
if (len > count) {
ERR("reread length is bad: expect " + count + " got "+ len);
}
else if ((bitmap & bit) != 0) {
ERR("key already seen");
}
else if ((expected & bit) == 0) {
ERR("key was not expected");
}
bitmap |= bit;
expected &= ~(bit);
}
if (expected != 0) {
System.out.print(" expected more keys, bitmap is: " +
expected + "\n");
ERR("missing keys in database");
}
dbcp.close();
}
void t1()
throws DbException, FileNotFoundException
{
Db db = new Db(dbenv, 0);
db.set_error_stream(System.err);
db.set_pagesize(1024);
db.open(null, CONSTRUCT02_DBNAME, null, Db.DB_BTREE,
Db.DB_CREATE, 0664);
rundb(db, itemcount++);
rundb(db, itemcount++);
rundb(db, itemcount++);
rundb(db, itemcount++);
rundb(db, itemcount++);
rundb(db, itemcount++);
db.close(0);
// Reopen no longer allowed, so we create a new db.
db = new Db(dbenv, 0);
db.set_error_stream(System.err);
db.set_pagesize(1024);
db.open(null, CONSTRUCT02_DBNAME, null, Db.DB_BTREE,
Db.DB_CREATE, 0664);
rundb(db, itemcount++);
rundb(db, itemcount++);
rundb(db, itemcount++);
rundb(db, itemcount++);
db.close(0);
}
// remove any existing environment or database
void removeall(boolean use_db, boolean remove_env)
{
{
try {
if (remove_env) {
DbEnv tmpenv = new DbEnv(0);
tmpenv.remove(CONSTRUCT02_DBDIR, Db.DB_FORCE);
}
else if (use_db) {
/**/
//memory leak for this:
Db tmpdb = new Db(null, 0);
tmpdb.remove(CONSTRUCT02_DBFULLPATH, null, 0);
/**/
}
}
catch (DbException dbe) {
System.err.println("error during remove: " + dbe);
}
catch (FileNotFoundException dbe) {
System.err.println("error during remove: " + dbe);
}
}
check_file_removed(CONSTRUCT02_DBFULLPATH, true, !use_db);
if (remove_env) {
for (int i=0; i<8; i++) {
String fname = "__db.00" + i;
check_file_removed(fname, true, !use_db);
}
}
}
boolean doall()
{
itemcount = 0;
try {
VERBOSEOUT(" Running test 1:\n");
t1();
VERBOSEOUT(" finished.\n");
removeall(true, false);
return true;
}
catch (DbException dbe) {
ERR("EXCEPTION RECEIVED: " + dbe);
}
catch (FileNotFoundException fnfe) {
ERR("EXCEPTION RECEIVED: " + fnfe);
}
return false;
}
public static void main(String args[])
{
int iterations = 200;
for (int argcnt=0; argcnt<args.length; argcnt++) {
String arg = args[argcnt];
try {
iterations = Integer.parseInt(arg);
if (iterations < 0) {
ERR("Usage: construct02 [-testdigits] count");
}
}
catch (NumberFormatException nfe) {
ERR("EXCEPTION RECEIVED: " + nfe);
}
}
System.gc();
System.runFinalization();
VERBOSEOUT("gc complete");
long starttotal = Runtime.getRuntime().totalMemory();
long startfree = Runtime.getRuntime().freeMemory();
TestConstruct02 con = null;
try {
con = new TestConstruct02();
}
catch (DbException dbe) {
System.err.println("Exception: " + dbe);
System.exit(1);
}
catch (java.io.FileNotFoundException fnfe) {
System.err.println("Exception: " + fnfe);
System.exit(1);
}
for (int i=0; i<iterations; i++) {
if (iterations != 0) {
VERBOSEOUT("(" + i + "/" + iterations + ") ");
}
VERBOSEOUT("construct02 running:\n");
if (!con.doall()) {
ERR("SOME TEST FAILED");
}
System.gc();
System.runFinalization();
VERBOSEOUT("gc complete");
}
con.close();
System.out.print("ALL TESTS SUCCESSFUL\n");
long endtotal = Runtime.getRuntime().totalMemory();
long endfree = Runtime.getRuntime().freeMemory();
System.out.println("delta for total mem: " + magnitude(endtotal - starttotal));
System.out.println("delta for free mem: " + magnitude(endfree - startfree));
return;
}
static String magnitude(long value)
{
final long max = 10000000;
for (long scale = 10; scale <= max; scale *= 10) {
if (value < scale && value > -scale)
return "<" + scale;
}
return ">" + max;
}
}