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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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*
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* Contributor(s):
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*
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
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* Microsystems, Inc. All Rights Reserved.
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*
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* If you wish your version of this file to be governed by only the CDDL
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* or only the GPL Version 2, indicate your decision by adding
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* single choice of license, a recipient has the option to distribute
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* Version 2 license, then the option applies only if the new code is
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* made subject to such option by the copyright holder.
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*/
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package org.openide.util.lookup;
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import java.util.*;
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import org.openide.util.Lookup;
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/** Runs all NbLookupTest tests on ProxyLookup and adds few additional.
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*/
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@SuppressWarnings("unchecked") // XXX ought to be corrected, just a lot of them
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public class ExcludingLookupTest extends AbstractLookupBaseHid
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implements AbstractLookupBaseHid.Impl {
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public ExcludingLookupTest(java.lang.String testName) {
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super(testName, null);
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}
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public Lookup createLookup (final Lookup lookup) {
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return Lookups.exclude (lookup, new Class[0]);
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}
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public Lookup createInstancesLookup (InstanceContent ic) {
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return new AbstractLookup (ic);
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}
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public void clearCaches () {
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}
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public void testWeCanRemoveInteger () throws Exception {
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doBasicFilteringTest (Integer.class, Integer.class, 0);
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}
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public void testWeCanRemoveIntegersEvenByAskingForRemoveOfAllNumbers () throws Exception {
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doBasicFilteringTest (Number.class, Integer.class, 0);
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}
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public void testFunWithInterfaces () throws Exception {
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doBasicFilteringTest (java.io.Serializable.class, Integer.class, 0);
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}
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public void testWeCanGetInstanceOfSerializableEvenItIsExcludedIfWeAskForClassNotExtendingIt () throws Exception {
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Lookup lookup = Lookups.exclude (this.instanceLookup, new Class[] { java.io.Serializable.class });
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Lookup.Template t = new Lookup.Template (Object.class);
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Lookup.Result res = lookup.lookup (t);
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LL ll = new LL ();
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res.addLookupListener (ll);
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assertEquals ("Nothing is there", 0, res.allItems ().size ());
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Object inst = new Integer (3);
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ic.add (inst);
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assertEquals ("Not Filtered out", inst, lookup.lookup (Object.class));
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assertEquals ("Not Filtered out2", inst, lookup.lookupItem (t).getInstance ());
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assertEquals ("One is there - 2", 1, res.allItems ().size ());
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assertEquals ("One is there - 2a", 1, res.allInstances ().size ());
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assertEquals ("One is there - 2b", 1, res.allClasses ().size ());
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assertEquals ("Right # of events", 1, ll.getCount ());
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ic.remove (inst);
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assertEquals ("Filtered out3", null, lookup.lookupItem (t));
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assertEquals ("Nothing is there - 3", 0, res.allItems ().size ());
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assertEquals ("Nothing is there - 3a", 0, res.allInstances ().size ());
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assertEquals ("Nothing is there - 3b", 0, res.allClasses ().size ());
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assertEquals ("Of course it is not there", null, lookup.lookup (Object.class));
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assertEquals ("Right # of events", 1, ll.getCount ());
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}
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public void testIntegersQueriedThruObject () throws Exception {
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doBasicFilteringTest (Number.class, Object.class, 1);
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}
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private void doBasicFilteringTest (Class theFilter, Class theQuery, int numberOfExcpectedEventsAfterOneChange) throws Exception {
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Lookup lookup = Lookups.exclude (this.instanceLookup, new Class[] { theFilter });
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Lookup.Template t = new Lookup.Template (theQuery);
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Lookup.Result res = lookup.lookup (t);
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LL ll = new LL ();
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res.addLookupListener (ll);
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assertEquals ("Nothing is there", 0, res.allItems ().size ());
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Object inst = new Integer (3);
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ic.add (inst);
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assertEquals ("Filtered out", null, lookup.lookup (theQuery));
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assertEquals ("Filtered out2", null, lookup.lookupItem (t));
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assertEquals ("Nothing is there - 2", 0, res.allItems ().size ());
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assertEquals ("Nothing is there - 2a", 0, res.allInstances ().size ());
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assertEquals ("Nothing is there - 2b", 0, res.allClasses ().size ());
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assertEquals ("Right # of events", numberOfExcpectedEventsAfterOneChange, ll.getCount ());
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ic.remove (inst);
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assertEquals ("Filtered out3", null, lookup.lookupItem (t));
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assertEquals ("Nothing is there - 3", 0, res.allItems ().size ());
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assertEquals ("Nothing is there - 3a", 0, res.allInstances ().size ());
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assertEquals ("Nothing is there - 3b", 0, res.allClasses ().size ());
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assertEquals ("Of course it is not there", null, lookup.lookup (theQuery));
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assertEquals ("Right # of events", numberOfExcpectedEventsAfterOneChange, ll.getCount ());
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}
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public void testSizeOfTheLookup () throws Exception {
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Class exclude = String.class;
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Lookup lookup = Lookups.exclude (this.instanceLookup, new Class[] { exclude });
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assertSize ("Should be pretty lightweight", Collections.singleton (lookup), 16,
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new Object[] { this.instanceLookup, exclude });
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}
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public void testSizeOfTheLookupForMultipleFiltersIsHigher () throws Exception {
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Class exclude = String.class;
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Class exclude2 = Integer.class;
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Class[] arr = new Class[] { exclude, exclude2 };
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Lookup lookup = Lookups.exclude (this.instanceLookup, arr);
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assertSize ("Is fatter", Collections.singleton (lookup), 40,
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new Object[] { this.instanceLookup, exclude, exclude2 });
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assertSize ("But only due to the array", Collections.singleton (lookup), 16,
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new Object[] { this.instanceLookup, exclude, exclude2, arr });
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}
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public void testFilteringOfSomething () throws Exception {
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doFilteringOfSomething (Runnable.class, java.io.Serializable.class, 1);
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}
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private void doFilteringOfSomething (Class theFilter, Class theQuery, int numberOfExcpectedEventsAfterOneChange) throws Exception {
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Lookup lookup = Lookups.exclude (this.instanceLookup, new Class[] { theFilter });
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Lookup.Template t = new Lookup.Template (theQuery);
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Lookup.Result res = lookup.lookup (t);
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LL ll = new LL ();
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res.addLookupListener (ll);
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assertEquals ("Nothing is there", 0, res.allItems ().size ());
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Object inst = new Integer (3);
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ic.add (inst);
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assertEquals ("Accepted", inst, lookup.lookup (theQuery));
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assertNotNull ("Accepted too", lookup.lookupItem (t));
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assertEquals ("One is there - 2", 1, res.allItems ().size ());
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assertEquals ("One is there - 2a", 1, res.allInstances ().size ());
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assertEquals ("One is there - 2b", 1, res.allClasses ().size ());
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assertEquals ("Right # of events", numberOfExcpectedEventsAfterOneChange, ll.getCount ());
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Object inst2 = new Thread (); // implements Runnable
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ic.add (inst2);
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assertEquals ("Accepted - 2", inst, lookup.lookup (theQuery));
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assertNotNull ("Accepted too -2", lookup.lookupItem (t));
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assertEquals ("One is there - 3", 1, res.allItems ().size ());
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assertEquals ("One is there - 3a", 1, res.allInstances ().size ());
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assertEquals ("One is there - 3b", 1, res.allClasses ().size ());
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assertEquals ("Right # of events", 0, ll.getCount ());
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ic.remove (inst);
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assertEquals ("Filtered out3", null, lookup.lookupItem (t));
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assertEquals ("Nothing is there - 3", 0, res.allItems ().size ());
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assertEquals ("Nothing is there - 3a", 0, res.allInstances ().size ());
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assertEquals ("Nothing is there - 3b", 0, res.allClasses ().size ());
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assertEquals ("Of course it is not there", null, lookup.lookup (theQuery));
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assertEquals ("Right # of events", numberOfExcpectedEventsAfterOneChange, ll.getCount ());
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}
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public void testTheBehaviourAsRequestedByDavidAndDescribedByJesse () throws Exception {
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class C implements Runnable, java.io.Serializable {
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public void run () {}
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}
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Object c = new C();
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Lookup l1 = Lookups.singleton(c);
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Lookup l2 = Lookups.exclude(l1, new Class[] {Runnable.class});
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assertNull(l2.lookup(Runnable.class));
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assertEquals(c, l2.lookup(java.io.Serializable.class));
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}
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public void testTheBehaviourAsRequestedByDavidAndDescribedByJesseWithUsageOfResult () throws Exception {
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class C implements Runnable, java.io.Serializable {
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public void run () {}
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}
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Object c = new C();
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Lookup l1 = Lookups.singleton(c);
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Lookup l2 = Lookups.exclude(l1, new Class[] {Runnable.class});
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Lookup.Result run = l2.lookup (new Lookup.Template (Runnable.class));
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Lookup.Result ser = l2.lookup (new Lookup.Template (java.io.Serializable.class));
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assertEquals ("Runnables filtered out", 0, run.allItems ().size ());
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assertEquals ("One serialiazble", 1, ser.allItems ().size ());
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assertEquals ("And it is c", c, ser.allInstances ().iterator ().next ());
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}
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}
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