| /* |
| * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//pool/src/test/org/apache/commons/pool/impl/TestGenericObjectPool.java,v 1.1 2001/04/14 16:42:13 rwaldhoff Exp $ |
| * $Revision: 1.1 $ |
| * $Date: 2001/04/14 16:42:13 $ |
| * |
| * ==================================================================== |
| * |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999-2001 The Apache Software Foundation. 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. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Commons", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR |
| * ITS 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 software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.commons.pool.impl; |
| |
| import junit.framework.*; |
| import org.apache.commons.pool.*; |
| |
| /** |
| * @author Rodney Waldhoff |
| * @version $Id: TestGenericObjectPool.java,v 1.1 2001/04/14 16:42:13 rwaldhoff Exp $ |
| */ |
| public class TestGenericObjectPool extends TestCase { |
| public TestGenericObjectPool(String testName) { |
| super(testName); |
| } |
| |
| public static Test suite() { |
| return new TestSuite(TestGenericObjectPool.class); |
| } |
| |
| public static void main(String args[]) { |
| String[] testCaseName = { TestGenericObjectPool.class.getName() }; |
| junit.textui.TestRunner.main(testCaseName); |
| } |
| |
| private GenericObjectPool pool = null; |
| |
| public void setUp() { |
| pool = new GenericObjectPool( |
| new PoolableObjectFactory() { |
| int counter = 0; |
| public Object makeObject() { return String.valueOf(counter++); } |
| public void destroyObject(Object obj) { } |
| public boolean validateObject(Object obj) { return true; } |
| public void activateObject(Object obj) { } |
| public void passivateObject(Object obj) { } |
| } |
| ); |
| } |
| |
| public void testBorrow() { |
| Object obj0 = pool.borrowObject(); |
| assertEquals("0",obj0); |
| Object obj1 = pool.borrowObject(); |
| assertEquals("1",obj1); |
| Object obj2 = pool.borrowObject(); |
| assertEquals("2",obj2); |
| } |
| |
| public void testBorrowReturn() { |
| Object obj0 = pool.borrowObject(); |
| assertEquals("0",obj0); |
| Object obj1 = pool.borrowObject(); |
| assertEquals("1",obj1); |
| Object obj2 = pool.borrowObject(); |
| assertEquals("2",obj2); |
| pool.returnObject(obj2); |
| obj2 = pool.borrowObject(); |
| assertEquals("2",obj2); |
| pool.returnObject(obj1); |
| obj1 = pool.borrowObject(); |
| assertEquals("1",obj1); |
| pool.returnObject(obj0); |
| pool.returnObject(obj2); |
| obj2 = pool.borrowObject(); |
| assertEquals("2",obj2); |
| obj0 = pool.borrowObject(); |
| assertEquals("0",obj0); |
| } |
| |
| public void testNumActiveNumIdle() { |
| assertEquals(0,pool.numActive()); |
| assertEquals(0,pool.numIdle()); |
| Object obj0 = pool.borrowObject(); |
| assertEquals(1,pool.numActive()); |
| assertEquals(0,pool.numIdle()); |
| Object obj1 = pool.borrowObject(); |
| assertEquals(2,pool.numActive()); |
| assertEquals(0,pool.numIdle()); |
| pool.returnObject(obj1); |
| assertEquals(1,pool.numActive()); |
| assertEquals(1,pool.numIdle()); |
| pool.returnObject(obj0); |
| assertEquals(0,pool.numActive()); |
| assertEquals(2,pool.numIdle()); |
| } |
| |
| public void testClear() { |
| assertEquals(0,pool.numActive()); |
| assertEquals(0,pool.numIdle()); |
| Object obj0 = pool.borrowObject(); |
| Object obj1 = pool.borrowObject(); |
| assertEquals(2,pool.numActive()); |
| assertEquals(0,pool.numIdle()); |
| pool.returnObject(obj1); |
| pool.returnObject(obj0); |
| assertEquals(0,pool.numActive()); |
| assertEquals(2,pool.numIdle()); |
| pool.clear(); |
| assertEquals(0,pool.numActive()); |
| assertEquals(0,pool.numIdle()); |
| Object obj2 = pool.borrowObject(); |
| assertEquals("2",obj2); |
| } |
| |
| public void testMaxIdle() { |
| pool.setMaxActive(100); |
| pool.setMaxIdle(8); |
| Object[] active = new Object[100]; |
| for(int i=0;i<100;i++) { |
| active[i] = pool.borrowObject(); |
| } |
| assertEquals(100,pool.numActive()); |
| assertEquals(0,pool.numIdle()); |
| for(int i=0;i<100;i++) { |
| pool.returnObject(active[i]); |
| assertEquals(99 - i,pool.numActive()); |
| assertEquals((i < 8 ? i+1 : 8),pool.numIdle()); |
| } |
| } |
| |
| public void testMaxActive() { |
| pool.setMaxActive(3); |
| pool.setWhenExhaustedAction(pool.WHEN_EXHAUSTED_FAIL); |
| |
| pool.borrowObject(); |
| pool.borrowObject(); |
| pool.borrowObject(); |
| try { |
| pool.borrowObject(); |
| fail("Shouldn't get here."); |
| } catch(java.util.NoSuchElementException e) { |
| // expected |
| } |
| } |
| |
| public void testEviction() { |
| pool.setMaxIdle(500); |
| pool.setMaxActive(500); |
| pool.setNumTestsPerEvictionRun(100); |
| pool.setMinEvictableIdleTimeMillis(500L); |
| pool.setTimeBetweenEvictionRunsMillis(500L); |
| |
| Object[] active = new Object[500]; |
| for(int i=0;i<500;i++) { |
| active[i] = pool.borrowObject(); |
| } |
| for(int i=0;i<500;i++) { |
| pool.returnObject(active[i]); |
| } |
| |
| try { Thread.currentThread().sleep(2000L); } catch(Exception e) { } |
| assert("Should be less than 500 idle, found " + pool.numIdle(),pool.numIdle() < 500); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 400 idle, found " + pool.numIdle(),pool.numIdle() < 400); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 300 idle, found " + pool.numIdle(),pool.numIdle() < 300); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 200 idle, found " + pool.numIdle(),pool.numIdle() < 200); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 100 idle, found " + pool.numIdle(),pool.numIdle() < 100); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assertEquals("Should be zero idle, found " + pool.numIdle(),0,pool.numIdle()); |
| |
| for(int i=0;i<500;i++) { |
| active[i] = pool.borrowObject(); |
| } |
| for(int i=0;i<500;i++) { |
| pool.returnObject(active[i]); |
| } |
| |
| try { Thread.currentThread().sleep(2000L); } catch(Exception e) { } |
| assert("Should be less than 500 idle, found " + pool.numIdle(),pool.numIdle() < 500); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 400 idle, found " + pool.numIdle(),pool.numIdle() < 400); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 300 idle, found " + pool.numIdle(),pool.numIdle() < 300); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 200 idle, found " + pool.numIdle(),pool.numIdle() < 200); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assert("Should be less than 100 idle, found " + pool.numIdle(),pool.numIdle() < 100); |
| try { Thread.currentThread().sleep(600L); } catch(Exception e) { } |
| assertEquals("Should be zero idle, found " + pool.numIdle(),0,pool.numIdle()); |
| } |
| |
| |
| public void testThreaded1() { |
| pool.setMaxActive(15); |
| pool.setMaxIdle(15); |
| pool.setMaxWait(1000L); |
| TestThread[] threads = new TestThread[20]; |
| for(int i=0;i<20;i++) { |
| threads[i] = new TestThread(pool,100,50); |
| Thread t = new Thread(threads[i]); |
| t.start(); |
| } |
| for(int i=0;i<20;i++) { |
| while(!(threads[i]).complete()) { |
| try { |
| Thread.currentThread().sleep(500L); |
| } catch(Exception e) { |
| // ignored |
| } |
| } |
| if(threads[i].failed()) { |
| fail(); |
| } |
| } |
| } |
| |
| class TestThread implements Runnable { |
| java.util.Random _random = new java.util.Random(); |
| ObjectPool _pool = null; |
| boolean _complete = false; |
| boolean _failed = false; |
| int _iter = 100; |
| int _delay = 50; |
| |
| public TestThread(ObjectPool pool) { |
| _pool = pool; |
| } |
| |
| public TestThread(ObjectPool pool, int iter) { |
| _pool = pool; |
| _iter = iter; |
| } |
| |
| public TestThread(ObjectPool pool, int iter, int delay) { |
| _pool = pool; |
| _iter = iter; |
| _delay = delay; |
| } |
| |
| public boolean complete() { |
| return _complete; |
| } |
| |
| public boolean failed() { |
| return _failed; |
| } |
| |
| public void run() { |
| for(int i=0;i<_iter;i++) { |
| try { |
| Thread.currentThread().sleep((long)_random.nextInt(_delay)); |
| } catch(Exception e) { |
| // ignored |
| } |
| Object obj = null; |
| try { |
| obj = _pool.borrowObject(); |
| } catch(java.util.NoSuchElementException e) { |
| _failed = true; |
| _complete = true; |
| break; |
| } |
| |
| try { |
| Thread.currentThread().sleep((long)_random.nextInt(_delay)); |
| } catch(Exception e) { |
| // ignored |
| } |
| _pool.returnObject(obj); |
| } |
| _complete = true; |
| } |
| } |
| } |
| |
| |