1.1 --- a/lookup/src/test/java/org/openide/util/lookup/AbstractLookupTest.java Wed Jan 27 17:46:23 2010 -0500
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,353 +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
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1.22 - * accompanied this code. If applicable, add the following below the
1.23 - * License Header, with the fields enclosed by brackets [] replaced by
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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
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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
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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.concurrent.ExecutionException;
1.48 -
1.49 -import java.lang.ref.WeakReference;
1.50 -import java.util.*;
1.51 -import java.util.concurrent.Executors;
1.52 -import java.util.concurrent.TimeUnit;
1.53 -import junit.framework.Test;
1.54 -import org.netbeans.junit.*;
1.55 -import org.openide.util.Lookup;
1.56 -import org.openide.util.lookup.AbstractLookup.Pair;
1.57 -
1.58 -@SuppressWarnings("unchecked") // XXX ought to be corrected, just a lot of them
1.59 -public class AbstractLookupTest extends AbstractLookupBaseHid implements AbstractLookupBaseHid.Impl {
1.60 - public AbstractLookupTest(java.lang.String testName) {
1.61 - super(testName, null);
1.62 - }
1.63 -
1.64 - //
1.65 - // Impl of AbstractLookupBaseHid.Impl
1.66 - //
1.67 -
1.68 - /** Creates the initial abstract lookup.
1.69 - */
1.70 - public Lookup createInstancesLookup (InstanceContent ic) {
1.71 - return new AbstractLookup (ic, new InheritanceTree ());
1.72 - }
1.73 -
1.74 - /** Creates an lookup for given lookup. This class just returns
1.75 - * the object passed in, but subclasses can be different.
1.76 - * @param lookup in lookup
1.77 - * @return a lookup to use
1.78 - */
1.79 - public Lookup createLookup (Lookup lookup) {
1.80 - return lookup;
1.81 - }
1.82 -
1.83 - public void clearCaches () {
1.84 - }
1.85 -
1.86 - static class LkpResultCanBeGargageCollectedAndClearsTheResult extends AbstractLookup {
1.87 - public int cleared;
1.88 - public int dirty;
1.89 -
1.90 - synchronized @Override boolean cleanUpResult(Template t) {
1.91 - boolean res = super.cleanUpResult (t);
1.92 - if (res) {
1.93 - cleared++;
1.94 - } else {
1.95 - dirty++;
1.96 - }
1.97 -
1.98 - notifyAll ();
1.99 -
1.100 - return res;
1.101 - }
1.102 - }
1.103 - public void testResultCanBeGargageCollectedAndClearsTheResult () throws Exception {
1.104 - LkpResultCanBeGargageCollectedAndClearsTheResult lkp = new LkpResultCanBeGargageCollectedAndClearsTheResult ();
1.105 - assertSize ("24 for AbstractLookup, 8 for two ints", 32, lkp);
1.106 - synchronized (lkp) {
1.107 - Lookup.Result res = lkp.lookup (new Lookup.Template (getClass ()));
1.108 - res.allItems();
1.109 -
1.110 - WeakReference ref = new WeakReference (res);
1.111 - res = null;
1.112 - assertGC ("Reference can get cleared", ref);
1.113 -
1.114 - // wait till we
1.115 - while (lkp.cleared == 0 && lkp.dirty == 0) {
1.116 - lkp.wait ();
1.117 - }
1.118 -
1.119 - assertEquals ("No dirty cleanups", 0, lkp.dirty);
1.120 - assertEquals ("One final cleanup", 1, lkp.cleared);
1.121 - }
1.122 - //assertSize ("Everything has been cleaned to original size", 32, lkp);
1.123 -
1.124 - }
1.125 -
1.126 - public void testPairCannotBeUsedInMoreThanOneLookupAtOnce () throws Exception {
1.127 - /** Simple pair with no data */
1.128 - class EmptyPair extends AbstractLookup.Pair {
1.129 - protected boolean creatorOf(Object obj) { return false; }
1.130 - public String getDisplayName() { return "Empty"; }
1.131 - public String getId() { return "empty"; }
1.132 - public Object getInstance() { return null; }
1.133 - public Class getType() { return Object.class; }
1.134 - protected boolean instanceOf(Class c) { return c == getType (); }
1.135 - } // end of EmptyPair
1.136 -
1.137 - AbstractLookup.Content c1 = new AbstractLookup.Content ();
1.138 - AbstractLookup.Content c2 = new AbstractLookup.Content ();
1.139 - AbstractLookup l1 = new AbstractLookup (c1);
1.140 - AbstractLookup l2 = new AbstractLookup (c2);
1.141 -
1.142 - EmptyPair empty = new EmptyPair ();
1.143 - c1.addPair (empty);
1.144 - Lookup.Result res = l1.lookup (new Lookup.Template (Object.class));
1.145 - assertEquals (
1.146 - "Pair is really found", empty,
1.147 - res.allItems ().iterator().next ()
1.148 - );
1.149 - try {
1.150 - c2.addPair (empty);
1.151 - fail ("It should not be possible to add pair to two lookups");
1.152 - } catch (IllegalStateException ex) {
1.153 - // ok, exception is fine
1.154 - }
1.155 - assertEquals (
1.156 - "L2 is still empty", Collections.EMPTY_LIST,
1.157 - new ArrayList (l2.lookup (new Lookup.Template (Object.class)).allItems ())
1.158 - );
1.159 - }
1.160 -
1.161 - public void testInitializationCanBeDoneFromAnotherThread () {
1.162 - class MyLkp extends AbstractLookup implements Runnable {
1.163 - private InstanceContent ic;
1.164 - private boolean direct;
1.165 -
1.166 - public MyLkp (boolean direct) {
1.167 - this (direct, new InstanceContent ());
1.168 - }
1.169 -
1.170 - private MyLkp (boolean direct, InstanceContent ic) {
1.171 - super (ic);
1.172 - this.direct = direct;
1.173 - this.ic = ic;
1.174 - }
1.175 -
1.176 - protected @Override void initialize() {
1.177 - if (direct) {
1.178 - run ();
1.179 - } else {
1.180 - try {
1.181 - Executors.newSingleThreadScheduledExecutor().schedule(this, 0, TimeUnit.MICROSECONDS).get();
1.182 - } catch (InterruptedException ex) {
1.183 - ex.printStackTrace();
1.184 - } catch (ExecutionException ex) {
1.185 - ex.printStackTrace();
1.186 - }
1.187 - }
1.188 - }
1.189 -
1.190 - public void run () {
1.191 - ic.add (this);
1.192 - ic.remove (this);
1.193 - ic.set (Collections.nCopies(10, this), null);
1.194 - ic.set (Collections.EMPTY_LIST, null);
1.195 - ic.add (AbstractLookupTest.this);
1.196 - }
1.197 - }
1.198 -
1.199 - assertEquals ("The test should be there", this, new MyLkp (true).lookup (Object.class));
1.200 - assertEquals ("and in async mode as well", this, new MyLkp (false).lookup (Object.class));
1.201 - }
1.202 -
1.203 - public void testBeforeLookupIsCalled () {
1.204 - class BeforeL extends AbstractLookup {
1.205 - public ArrayList list = new ArrayList ();
1.206 - public String toAdd;
1.207 - public InstanceContent ic;
1.208 -
1.209 - public BeforeL () {
1.210 - this (new InstanceContent ());
1.211 - }
1.212 -
1.213 - private BeforeL (InstanceContent c) {
1.214 - super (c);
1.215 - this.ic = c;
1.216 - }
1.217 -
1.218 - protected @Override void beforeLookup(Template t) {
1.219 - if (toAdd != null) {
1.220 - list.add (0, new SerialPair (toAdd));
1.221 - setPairs (list);
1.222 - } else {
1.223 - ic.add (new Integer (1));
1.224 - }
1.225 - }
1.226 - }
1.227 -
1.228 - BeforeL lookup = new BeforeL ();
1.229 -
1.230 - lookup.toAdd = "First";
1.231 - assertEquals ("First if found", "First", lookup.lookup (String.class));
1.232 -
1.233 - lookup.toAdd = "2";
1.234 - assertEquals ("2 is not first", "2", lookup.lookup (String.class));
1.235 -
1.236 - Lookup.Result res = lookup.lookup (new Lookup.Template (Object.class));
1.237 - for (int i = 3; i < 20; i++) {
1.238 - lookup.toAdd = String.valueOf (i);
1.239 - assertEquals (i + " items are now there", i, res.allInstances ().size ());
1.240 - }
1.241 - for (int i = 20; i < 35; i++) {
1.242 - lookup.toAdd = String.valueOf (i);
1.243 - assertEquals (i + " items are now there", i, res.allItems ().size ());
1.244 - }
1.245 -
1.246 - assertEquals ("Just strings are there now", 1, res.allClasses ().size ());
1.247 - lookup.toAdd = null; // this will add integer
1.248 - assertEquals ("Two classes now", 2, res.allClasses ().size ());
1.249 - }
1.250 -
1.251 - public void testInconsistentAfterDeserIssue71744() throws Exception {
1.252 - InheritanceTree inhTree = new InheritanceTree();
1.253 -
1.254 - AbstractLookup al = new AbstractLookup(new AbstractLookup.Content(), inhTree);
1.255 - {
1.256 -
1.257 - Collection r = al.lookup(new Lookup.Template(Integer.class)).allInstances();
1.258 - assertEquals("None", 0, r.size());
1.259 - }
1.260 -
1.261 - ICP item = new ICP(new Integer(10));
1.262 - al.addPair(item);
1.263 - al.removePair(item);
1.264 -
1.265 - AbstractLookup newLookup = (AbstractLookup)reserialize(al);
1.266 -
1.267 - newLookup.lookup(Number.class);
1.268 -
1.269 -
1.270 - newLookup.addPair(new ICP(new Long(20)));
1.271 -
1.272 - {
1.273 -
1.274 - Collection r = newLookup.lookup(new Lookup.Template(Number.class)).allInstances();
1.275 - assertEquals("one", 1, r.size());
1.276 -/*
1.277 - Iterator it = r.iterator();
1.278 - assertEquals(new Integer(10), it.next());
1.279 - assertEquals(new Long(20), it.next());*/
1.280 - }
1.281 - }
1.282 -
1.283 - public void testMatchesIssue130673() {
1.284 - class BrokenPairReturningNullID extends Pair<Object> {
1.285 - @Override
1.286 - protected boolean instanceOf(Class<?> c) {
1.287 - return false;
1.288 - }
1.289 -
1.290 - @Override
1.291 - protected boolean creatorOf(Object obj) {
1.292 - return false;
1.293 - }
1.294 -
1.295 - @Override
1.296 - public Object getInstance() {
1.297 - return null;
1.298 - }
1.299 -
1.300 - @Override
1.301 - public Class<? extends Object> getType() {
1.302 - return null;
1.303 - }
1.304 -
1.305 - @Override
1.306 - public String getId() {
1.307 - return null;
1.308 - }
1.309 -
1.310 - @Override
1.311 - public String getDisplayName() {
1.312 - return null;
1.313 - }
1.314 - }
1.315 - BrokenPairReturningNullID broken = new BrokenPairReturningNullID();
1.316 -
1.317 -
1.318 - Lookup.Template<String> t = new Lookup.Template<String>(String.class, "ID", null);
1.319 - boolean not = AbstractLookup.matches(t, broken, true);
1.320 - assertFalse("Does not match the template, but throws no exception", not);
1.321 - }
1.322 -
1.323 - private static final class ICP extends AbstractLookup.Pair {
1.324 - private Number s;
1.325 -
1.326 - public ICP (Number s) {
1.327 - this.s = s;
1.328 - }
1.329 -
1.330 -
1.331 - protected boolean instanceOf(Class c) {
1.332 - return c.isInstance(s);
1.333 - }
1.334 -
1.335 - protected boolean creatorOf(Object obj) {
1.336 - return s == obj;
1.337 - }
1.338 -
1.339 - public Object getInstance() {
1.340 - return s;
1.341 - }
1.342 -
1.343 - public Class getType() {
1.344 - return s.getClass();
1.345 - }
1.346 -
1.347 - public String getId() {
1.348 - return s.toString();
1.349 - }
1.350 -
1.351 - public String getDisplayName() {
1.352 - return getId();
1.353 - }
1.354 -
1.355 - }
1.356 -}