368 lines
9.2 KiB
Java
368 lines
9.2 KiB
Java
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 2000
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* Sleepycat Software. All rights reserved.
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*
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* Id: TestConstruct02.java,v 1.3 2001/10/05 02:36:09 bostic Exp
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*/
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/*
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* Do some regression tests for constructors.
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* Run normally (without arguments) it is a simple regression test.
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* Run with a numeric argument, it repeats the regression a number
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* of times, to try to determine if there are memory leaks.
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*/
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package com.sleepycat.test;
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import com.sleepycat.db.*;
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import java.io.File;
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import java.io.IOException;
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import java.io.FileNotFoundException;
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public class TestConstruct02
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{
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public static final String CONSTRUCT02_DBNAME = "construct02.db";
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public static final String CONSTRUCT02_DBDIR = "./";
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public static final String CONSTRUCT02_DBFULLPATH =
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CONSTRUCT02_DBDIR + "/" + CONSTRUCT02_DBNAME;
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private int itemcount; // count the number of items in the database
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public static boolean verbose_flag = false;
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private DbEnv dbenv = new DbEnv(0);
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public TestConstruct02()
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throws DbException, FileNotFoundException
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{
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dbenv.open(CONSTRUCT02_DBDIR, Db.DB_CREATE | Db.DB_INIT_MPOOL, 0666);
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}
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public void close()
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{
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try {
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dbenv.close(0);
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removeall(true, true);
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}
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catch (DbException dbe) {
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ERR("DbException: " + dbe);
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}
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}
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public static void ERR(String a)
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{
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System.out.println("FAIL: " + a);
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sysexit(1);
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}
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public static void DEBUGOUT(String s)
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{
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System.out.println(s);
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}
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public static void VERBOSEOUT(String s)
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{
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if (verbose_flag)
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System.out.println(s);
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}
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public static void sysexit(int code)
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{
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System.exit(code);
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}
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private static void check_file_removed(String name, boolean fatal,
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boolean force_remove_first)
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{
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File f = new File(name);
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if (force_remove_first) {
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f.delete();
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}
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if (f.exists()) {
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if (fatal)
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System.out.print("FAIL: ");
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System.out.print("File \"" + name + "\" still exists after run\n");
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if (fatal)
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sysexit(1);
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}
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}
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// Check that key/data for 0 - count-1 are already present,
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// and write a key/data for count. The key and data are
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// both "0123...N" where N == count-1.
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//
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void rundb(Db db, int count)
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throws DbException, FileNotFoundException
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{
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// The bit map of keys we've seen
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long bitmap = 0;
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// The bit map of keys we expect to see
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long expected = (1 << (count+1)) - 1;
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byte outbuf[] = new byte[count+1];
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int i;
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for (i=0; i<count; i++) {
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outbuf[i] = (byte)('0' + i);
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//outbuf[i] = System.out.println((byte)('0' + i);
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}
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outbuf[i++] = (byte)'x';
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/*
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System.out.println("byte: " + ('0' + 0) + ", after: " +
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(int)'0' + "=" + (int)('0' + 0) +
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"," + (byte)outbuf[0]);
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*/
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Dbt key = new Dbt(outbuf, 0, i);
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Dbt data = new Dbt(outbuf, 0, i);
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//DEBUGOUT("Put: " + (char)outbuf[0] + ": " + new String(outbuf));
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db.put(null, key, data, Db.DB_NOOVERWRITE);
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// Acquire a cursor for the table.
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Dbc dbcp = db.cursor(null, 0);
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// Walk through the table, checking
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Dbt readkey = new Dbt();
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Dbt readdata = new Dbt();
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Dbt whoknows = new Dbt();
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readkey.set_flags(Db.DB_DBT_MALLOC);
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readdata.set_flags(Db.DB_DBT_MALLOC);
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//DEBUGOUT("Dbc.get");
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while (dbcp.get(readkey, readdata, Db.DB_NEXT) == 0) {
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String key_string = new String(readkey.get_data());
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String data_string = new String(readdata.get_data());
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//DEBUGOUT("Got: " + key_string + ": " + data_string);
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int len = key_string.length();
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if (len <= 0 || key_string.charAt(len-1) != 'x') {
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ERR("reread terminator is bad");
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}
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len--;
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long bit = (1 << len);
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if (len > count) {
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ERR("reread length is bad: expect " + count + " got "+ len + " (" + key_string + ")" );
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}
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else if (!data_string.equals(key_string)) {
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ERR("key/data don't match");
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}
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else if ((bitmap & bit) != 0) {
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ERR("key already seen");
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}
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else if ((expected & bit) == 0) {
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ERR("key was not expected");
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}
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else {
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bitmap |= bit;
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expected &= ~(bit);
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for (i=0; i<len; i++) {
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if (key_string.charAt(i) != ('0' + i)) {
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System.out.print(" got " + key_string
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+ " (" + (int)key_string.charAt(i)
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+ "), wanted " + i
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+ " (" + (int)('0' + i)
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+ ") at position " + i + "\n");
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ERR("key is corrupt");
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}
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}
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}
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}
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if (expected != 0) {
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System.out.print(" expected more keys, bitmap is: " + expected + "\n");
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ERR("missing keys in database");
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}
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dbcp.close();
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}
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void t1()
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throws DbException, FileNotFoundException
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{
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Db db = new Db(dbenv, 0);
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db.set_error_stream(System.err);
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db.set_pagesize(1024);
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db.open(CONSTRUCT02_DBNAME, null, Db.DB_BTREE,
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Db.DB_CREATE, 0664);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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db.close(0);
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// Reopen no longer allowed, so we create a new db.
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db = new Db(dbenv, 0);
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db.set_error_stream(System.err);
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db.set_pagesize(1024);
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db.open(CONSTRUCT02_DBNAME, null, Db.DB_BTREE,
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Db.DB_CREATE, 0664);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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rundb(db, itemcount++);
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db.close(0);
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}
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// remove any existing environment or database
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void removeall(boolean use_db, boolean remove_env)
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{
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{
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try {
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if (remove_env) {
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DbEnv tmpenv = new DbEnv(0);
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tmpenv.remove(CONSTRUCT02_DBDIR, Db.DB_FORCE);
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}
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else if (use_db) {
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/**/
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//memory leak for this:
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Db tmpdb = new Db(null, 0);
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tmpdb.remove(CONSTRUCT02_DBFULLPATH, null, 0);
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/**/
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}
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}
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catch (DbException dbe) {
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System.err.println("error during remove: " + dbe);
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}
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catch (FileNotFoundException dbe) {
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System.err.println("error during remove: " + dbe);
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}
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}
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check_file_removed(CONSTRUCT02_DBFULLPATH, true, !use_db);
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if (remove_env) {
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for (int i=0; i<8; i++) {
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String fname = "__db.00" + i;
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check_file_removed(fname, true, !use_db);
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}
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}
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}
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boolean doall(int mask)
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{
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itemcount = 0;
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try {
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for (int item=1; item<32; item++) {
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if ((mask & (1 << item)) != 0) {
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VERBOSEOUT(" Running test " + item + ":\n");
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switch (item) {
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case 1:
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t1();
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break;
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default:
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ERR("unknown test case: " + item);
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break;
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}
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VERBOSEOUT(" finished.\n");
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}
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}
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removeall((mask & 1) != 0, false);
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return true;
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}
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catch (DbException dbe) {
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ERR("EXCEPTION RECEIVED: " + dbe);
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}
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catch (FileNotFoundException fnfe) {
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ERR("EXCEPTION RECEIVED: " + fnfe);
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}
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return false;
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}
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public static void main(String args[])
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{
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int iterations = 200;
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int mask = 0x3;
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for (int argcnt=0; argcnt<args.length; argcnt++) {
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String arg = args[argcnt];
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if (arg.charAt(0) == '-') {
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// keep on lower bit, which means to remove db between tests.
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mask = 1;
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for (int pos=1; pos<arg.length(); pos++) {
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char ch = arg.charAt(pos);
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if (ch >= '0' && ch <= '9') {
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mask |= (1 << (ch - '0'));
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}
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else if (ch == 'v') {
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verbose_flag = true;
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}
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else {
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ERR("Usage: construct02 [-testdigits] count");
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}
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}
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System.out.println("mask = " + mask);
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}
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else {
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try {
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iterations = Integer.parseInt(arg);
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if (iterations < 0) {
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ERR("Usage: construct02 [-testdigits] count");
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}
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}
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catch (NumberFormatException nfe) {
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ERR("EXCEPTION RECEIVED: " + nfe);
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}
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}
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}
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System.gc();
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System.runFinalization();
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VERBOSEOUT("gc complete");
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long starttotal = Runtime.getRuntime().totalMemory();
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long startfree = Runtime.getRuntime().freeMemory();
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TestConstruct02 con = null;
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try {
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con = new TestConstruct02();
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}
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catch (DbException dbe) {
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System.err.println("Exception: " + dbe);
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System.exit(1);
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}
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catch (java.io.FileNotFoundException fnfe) {
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System.err.println("Exception: " + fnfe);
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System.exit(1);
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}
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for (int i=0; i<iterations; i++) {
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if (iterations != 0) {
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VERBOSEOUT("(" + i + "/" + iterations + ") ");
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}
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VERBOSEOUT("construct02 running:\n");
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if (!con.doall(mask)) {
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ERR("SOME TEST FAILED");
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}
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System.gc();
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System.runFinalization();
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VERBOSEOUT("gc complete");
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}
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con.close();
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System.out.print("ALL TESTS SUCCESSFUL\n");
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long endtotal = Runtime.getRuntime().totalMemory();
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long endfree = Runtime.getRuntime().freeMemory();
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System.out.println("delta for total mem: " + magnitude(endtotal - starttotal));
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System.out.println("delta for free mem: " + magnitude(endfree - startfree));
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return;
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}
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static String magnitude(long value)
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{
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final long max = 10000000;
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for (long scale = 10; scale <= max; scale *= 10) {
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if (value < scale && value > -scale)
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return "<" + scale;
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}
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return ">" + max;
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}
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}
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