lookup/src/test/java/org/openide/util/lookup/AbstractLookupMemoryTest.java
changeset 972 a2947558c966
parent 971 b3ae88304dd0
child 973 5653a70ebb56
     1.1 --- a/lookup/src/test/java/org/openide/util/lookup/AbstractLookupMemoryTest.java	Wed Jan 27 17:46:23 2010 -0500
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,158 +0,0 @@
     1.4 -/*
     1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 - *
     1.7 - * Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
     1.8 - *
     1.9 - * The contents of this file are subject to the terms of either the GNU
    1.10 - * General Public License Version 2 only ("GPL") or the Common
    1.11 - * Development and Distribution License("CDDL") (collectively, the
    1.12 - * "License"). You may not use this file except in compliance with the
    1.13 - * License. You can obtain a copy of the License at
    1.14 - * http://www.netbeans.org/cddl-gplv2.html
    1.15 - * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    1.16 - * specific language governing permissions and limitations under the
    1.17 - * License.  When distributing the software, include this License Header
    1.18 - * Notice in each file and include the License file at
    1.19 - * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
    1.20 - * particular file as subject to the "Classpath" exception as provided
    1.21 - * by Sun in the GPL Version 2 section of the License file that
    1.22 - * accompanied this code. If applicable, add the following below the
    1.23 - * License Header, with the fields enclosed by brackets [] replaced by
    1.24 - * your own identifying information:
    1.25 - * "Portions Copyrighted [year] [name of copyright owner]"
    1.26 - *
    1.27 - * Contributor(s):
    1.28 - *
    1.29 - * The Original Software is NetBeans. The Initial Developer of the Original
    1.30 - * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
    1.31 - * Microsystems, Inc. All Rights Reserved.
    1.32 - *
    1.33 - * If you wish your version of this file to be governed by only the CDDL
    1.34 - * or only the GPL Version 2, indicate your decision by adding
    1.35 - * "[Contributor] elects to include this software in this distribution
    1.36 - * under the [CDDL or GPL Version 2] license." If you do not indicate a
    1.37 - * single choice of license, a recipient has the option to distribute
    1.38 - * your version of this file under either the CDDL, the GPL Version 2 or
    1.39 - * to extend the choice of license to its licensees as provided above.
    1.40 - * However, if you add GPL Version 2 code and therefore, elected the GPL
    1.41 - * Version 2 license, then the option applies only if the new code is
    1.42 - * made subject to such option by the copyright holder.
    1.43 - */
    1.44 -
    1.45 -package org.openide.util.lookup;
    1.46 -
    1.47 -import java.util.*;
    1.48 -import org.netbeans.junit.*;
    1.49 -import org.netbeans.modules.openide.util.ActiveQueue;
    1.50 -import org.openide.util.Lookup;
    1.51 -
    1.52 -/** Testing memory consumption of various AbstractLookup aspects.
    1.53 - */
    1.54 -public class AbstractLookupMemoryTest extends NbTestCase {
    1.55 -    public AbstractLookupMemoryTest(java.lang.String testName) {
    1.56 -        super(testName);
    1.57 -    }
    1.58 -
    1.59 -    public static void main(java.lang.String[] args) {
    1.60 -        junit.textui.TestRunner.run(new NbTestSuite(AbstractLookupMemoryTest.class));
    1.61 -    }
    1.62 -
    1.63 -    public void testEmptySize () {
    1.64 -        AbstractLookup instanceLookup = new AbstractLookup ();
    1.65 -        assertSize ("Empty lookup should be small", 16, instanceLookup);
    1.66 -        
    1.67 -        InstanceContent ic = new InstanceContent ();
    1.68 -        instanceLookup = new AbstractLookup (ic);
    1.69 -        assertSize ("Lookup with InstanceContent should be small as well", 16, instanceLookup);
    1.70 -    }
    1.71 -
    1.72 -    public void testPairSize () {
    1.73 -        AbstractLookup.Pair pair = new EmptyPair ();
    1.74 -        assertSize ("Pair occupies only 16 bytes", 16, pair);
    1.75 -    }
    1.76 -    
    1.77 -    public void testPairWithOnePointerSize () {
    1.78 -        AbstractLookup.Pair pair = new OneItemPair ();
    1.79 -        assertSize ("Pair occupies only 16 bytes", 16, pair);
    1.80 -    }
    1.81 -    
    1.82 -    public void testLookupWithPairs () {
    1.83 -        Lookup.Template<Object> t = new Lookup.Template<Object>(Object.class);
    1.84 -        class L implements org.openide.util.LookupListener {
    1.85 -            public int cnt;
    1.86 -            public void resultChanged (org.openide.util.LookupEvent ev) {
    1.87 -                cnt++;
    1.88 -            }
    1.89 -        }
    1.90 -        L listener = new L ();
    1.91 -        L listener2 = new L ();
    1.92 -
    1.93 -        EmptyPair[] pairs = {
    1.94 -            new EmptyPair(),
    1.95 -            new EmptyPair(),
    1.96 -            new EmptyPair(),
    1.97 -            new EmptyPair(),
    1.98 -        };
    1.99 -        Object[] ignore = {
   1.100 -            pairs[0],
   1.101 -            pairs[1],
   1.102 -            pairs[2],
   1.103 -            pairs[3],
   1.104 -            t,
   1.105 -            ActiveQueue.queue(),
   1.106 -            listener,
   1.107 -            listener2,
   1.108 -            new Integer (11) // trashhold is shared
   1.109 -        };
   1.110 -        
   1.111 -        AbstractLookup.Content c = new AbstractLookup.Content ();
   1.112 -        AbstractLookup l = new AbstractLookup (c, (Integer)ignore[ignore.length - 1]);
   1.113 -
   1.114 -        c.addPair ((EmptyPair)ignore[0]);
   1.115 -        assertSize ("Should be really small (not counting the pair sizes)", Collections.singleton (l), 56, ignore);
   1.116 -        
   1.117 -        c.addPair ((EmptyPair)ignore[1]);
   1.118 -        assertSize ("Is bigger I guess (not counting the pair sizes)", Collections.singleton (l), 56, ignore);
   1.119 -        
   1.120 -        c.setPairs(Arrays.asList(pairs).subList(0, 3));
   1.121 -        assertSize ("Even bigger (not counting the pair sizes)", Collections.singleton (l), 64, ignore);
   1.122 -        
   1.123 -        c.setPairs(Arrays.asList(pairs).subList(0, 4));
   1.124 -        assertSize ("Now not that much(not counting the pair sizes)", Collections.singleton (l), 64, ignore);
   1.125 -        
   1.126 -        Lookup.Result res = l.lookup (t);
   1.127 -        
   1.128 -        assertSize ("After creating a result", Collections.singleton (l), 120, ignore);
   1.129 -        
   1.130 -        res.addLookupListener (listener);
   1.131 -        
   1.132 -        assertSize ("And attaching one listener", Collections.singleton (l), 120, ignore);
   1.133 -
   1.134 -        res.addLookupListener (listener2);
   1.135 -        assertSize ("Second listener makes the situation much worse", Collections.singleton (l), 200, ignore);
   1.136 -        res.removeLookupListener(listener2);
   1.137 -        assertSize ("But removing it returns us back to original size", Collections.singleton (l), 120, ignore);
   1.138 -        
   1.139 -        
   1.140 -        assertEquals ("Current for pairs are in", res.allItems ().size (), 4); // also activates the listener
   1.141 -        assertSize ("and making the listener to work", Collections.singleton (l), 120, ignore);
   1.142 -        
   1.143 -        c.removePair ((EmptyPair)ignore[0]);
   1.144 -        assertEquals ("A changes has been delivered", 1, listener.cnt);
   1.145 -    }
   1.146 -
   1.147 -    /** Simple pair with no data */
   1.148 -    private static class EmptyPair extends AbstractLookup.Pair {
   1.149 -        protected boolean creatorOf(Object obj) { return false; }
   1.150 -        public String getDisplayName() { return ""; }
   1.151 -        public String getId() { return ""; }
   1.152 -        public Object getInstance() { return null; }
   1.153 -        public Class getType() { return Object.class; }
   1.154 -        protected boolean instanceOf(Class c) { return c == getType (); }
   1.155 -    } // end of EmptyPair
   1.156 -    
   1.157 -    /** Pair with one item (like InstanceContent.Pair) */
   1.158 -    private static class OneItemPair extends EmptyPair {
   1.159 -        private Object pointer;
   1.160 -    }
   1.161 -}