1.1 --- a/openide.util.lookup/test/unit/src/org/openide/util/lookup/ProxyLookupTest.java Wed Jan 27 17:46:23 2010 -0500
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,657 +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.io.Serializable;
1.48 -
1.49 -import java.lang.ref.Reference;
1.50 -import java.lang.ref.WeakReference;
1.51 -import java.util.ArrayList;
1.52 -import java.util.Collection;
1.53 -import java.util.Collections;
1.54 -import java.util.concurrent.Executor;
1.55 -import junit.framework.Test;
1.56 -import org.netbeans.junit.NbTestSuite;
1.57 -import org.openide.util.Lookup;
1.58 -import org.openide.util.Lookup.Result;
1.59 -import org.openide.util.LookupEvent;
1.60 -import org.openide.util.LookupListener;
1.61 -import org.openide.util.lookup.implspi.ActiveQueue;
1.62 -
1.63 -/** Runs all NbLookupTest tests on ProxyLookup and adds few additional.
1.64 - */
1.65 -@SuppressWarnings("unchecked") // XXX ought to be corrected, just a lot of them
1.66 -public class ProxyLookupTest extends AbstractLookupBaseHid
1.67 -implements AbstractLookupBaseHid.Impl {
1.68 - public ProxyLookupTest(java.lang.String testName) {
1.69 - super(testName, null);
1.70 - }
1.71 -
1.72 - public static Test suite() {
1.73 - return new NbTestSuite (ProxyLookupTest.class);
1.74 -// return new ProxyLookupTest("testDuplicatedLookupArrayIndexWithSetLookupAsInIssue123679");
1.75 - }
1.76 -
1.77 - /** Creates an lookup for given lookup. This class just returns
1.78 - * the object passed in, but subclasses can be different.
1.79 - * @param lookup in lookup
1.80 - * @return a lookup to use
1.81 - */
1.82 - public Lookup createLookup (Lookup lookup) {
1.83 - return new ProxyLookup (new Lookup[] { lookup });
1.84 - }
1.85 -
1.86 - public Lookup createInstancesLookup (InstanceContent ic) {
1.87 - return new AbstractLookup (ic);
1.88 - }
1.89 -
1.90 -
1.91 - public void clearCaches () {
1.92 - }
1.93 -
1.94 -
1.95 - /** Check whether setLookups method does not fire when there is no
1.96 - * change in the lookups.
1.97 - */
1.98 - public void testProxyListener () {
1.99 - ProxyLookup lookup = new ProxyLookup (new Lookup[0]);
1.100 -
1.101 - final Lookup.Template<Object> template = new Lookup.Template<Object>(Object.class);
1.102 - final Object[] IGNORE = {
1.103 - ProxyLookup.ImmutableInternalData.EMPTY,
1.104 - ProxyLookup.ImmutableInternalData.EMPTY_ARR,
1.105 - ActiveQueue.queue(),
1.106 - Collections.emptyMap(),
1.107 - Collections.emptyList(),
1.108 - Collections.emptySet()
1.109 - };
1.110 -
1.111 - assertSize("Pretty small", Collections.singleton(lookup), 16, IGNORE);
1.112 -
1.113 - Lookup.Result<Object> res = lookup.lookup (template);
1.114 -
1.115 - assertSize("Bigger", Collections.singleton(lookup), 216, IGNORE);
1.116 -
1.117 - LL ll = new LL ();
1.118 - res.addLookupListener (ll);
1.119 - Collection allRes = res.allInstances ();
1.120 -
1.121 - lookup.setLookups (new Lookup[0]);
1.122 -
1.123 - if (ll.getCount () != 0) {
1.124 - fail ("Calling setLookups (emptyarray) fired a change");
1.125 - }
1.126 -
1.127 - InstanceContent t = new InstanceContent();
1.128 - Lookup del = new AbstractLookup (t);
1.129 - t.add("Ahoj");
1.130 - lookup.setLookups (new Lookup[] { del });
1.131 -
1.132 - if (ll.getCount () != 1) {
1.133 - fail ("Changing lookups did not generate an event");
1.134 - }
1.135 -
1.136 - lookup.setLookups (new Lookup[] { del });
1.137 -
1.138 - if (ll.getCount () != 0) {
1.139 - fail ("Calling setLookups (thesamearray) fired a change");
1.140 - }
1.141 - }
1.142 -
1.143 - public void testNoListenersProxyListener () {
1.144 - ProxyLookup lookup = new ProxyLookup (new Lookup[0]);
1.145 - class E implements Executor {
1.146 - Runnable r;
1.147 - public void execute(Runnable command) {
1.148 - assertNull("NO previous", r);
1.149 - r = command;
1.150 - }
1.151 - public void perform() {
1.152 - assertNotNull("We shall have a runnable", r);
1.153 - r.run();
1.154 - r = null;
1.155 - }
1.156 - }
1.157 - E executor = new E();
1.158 -
1.159 -
1.160 - final Lookup.Template<Object> template = new Lookup.Template<Object>(Object.class);
1.161 - final Object[] IGNORE = {
1.162 - ProxyLookup.ImmutableInternalData.EMPTY,
1.163 - ProxyLookup.ImmutableInternalData.EMPTY_ARR,
1.164 - ActiveQueue.queue(),
1.165 - Collections.emptyMap(),
1.166 - Collections.emptyList(),
1.167 - Collections.emptySet()
1.168 - };
1.169 -
1.170 - assertSize("Pretty small", Collections.singleton(lookup), 16, IGNORE);
1.171 -
1.172 - Lookup.Result<Object> res = lookup.lookup (template);
1.173 -
1.174 - assertSize("Bigger", Collections.singleton(lookup), 216, IGNORE);
1.175 -
1.176 - LL ll = new LL ();
1.177 - res.addLookupListener (ll);
1.178 - Collection allRes = res.allInstances ();
1.179 -
1.180 - lookup.setLookups (executor, new Lookup[0]);
1.181 - if (ll.getCount () != 0) {
1.182 - fail ("Calling setLookups (emptyarray) fired a change");
1.183 - }
1.184 -
1.185 - InstanceContent t = new InstanceContent();
1.186 - Lookup del = new AbstractLookup (t);
1.187 - t.add("Ahoj");
1.188 - lookup.setLookups (executor, new Lookup[] { del });
1.189 - assertEquals("No change yet", 0, ll.getCount());
1.190 - executor.perform();
1.191 - if (ll.getCount () != 1) {
1.192 - fail ("Changing lookups did not generate an event");
1.193 - }
1.194 -
1.195 - lookup.setLookups (executor, new Lookup[] { del });
1.196 - if (ll.getCount () != 0) {
1.197 - fail ("Calling setLookups (thesamearray) fired a change");
1.198 - }
1.199 - }
1.200 -
1.201 - public void testSetLookups () throws Exception {
1.202 - AbstractLookup a1 = new AbstractLookup (new InstanceContent ());
1.203 - AbstractLookup a2 = new AbstractLookup (new InstanceContent ());
1.204 -
1.205 - InstanceContent i3 = new InstanceContent ();
1.206 - i3.add (i3);
1.207 - AbstractLookup a3 = new AbstractLookup (i3);
1.208 -
1.209 - final ProxyLookup p = new ProxyLookup (new Lookup[] { a1, a2 });
1.210 - final Lookup.Result res1 = p.lookup (new Lookup.Template (Object.class));
1.211 - Collection c1 = res1.allInstances();
1.212 -
1.213 - Lookup.Result res2 = p.lookup (new Lookup.Template (String.class));
1.214 - Collection c2 = res2.allInstances ();
1.215 -
1.216 -
1.217 - assertTrue ("We need two results", res1 != res2);
1.218 -
1.219 - final Object blocked = new Object ();
1.220 -
1.221 - class L extends Object implements LookupListener {
1.222 - public void resultChanged (LookupEvent ev) {
1.223 - try {
1.224 - res1.removeLookupListener(this);
1.225 -
1.226 - // waiting for second thread to start #111#
1.227 - blocked.wait ();
1.228 -
1.229 - } catch (Exception ex) {
1.230 - ex.printStackTrace();
1.231 - fail ("An exception occured ");
1.232 - }
1.233 - }
1.234 - }
1.235 -
1.236 - final L listener1 = new L ();
1.237 - res1.addLookupListener (listener1);
1.238 -
1.239 -
1.240 - Runnable newLookupSetter = new Runnable() {
1.241 - public void run () {
1.242 - synchronized (blocked) {
1.243 - try {
1.244 - p.setLookups (new Lookup[0]);
1.245 - } catch (Exception ex) {
1.246 - ex.printStackTrace();
1.247 - fail ("setLookups failed.");
1.248 - } finally {
1.249 - // starts the main thread #111#
1.250 - blocked.notify ();
1.251 - }
1.252 - }
1.253 - }
1.254 - };
1.255 -
1.256 - synchronized (blocked) {
1.257 - new Thread (newLookupSetter).start ();
1.258 -
1.259 - p.setLookups (new Lookup[] { a1, a2, a3 });
1.260 - }
1.261 - }
1.262 -
1.263 - public void testProxyLookupTemplateCaching(){
1.264 - Lookup lookups[] = new Lookup[1];
1.265 - doProxyLookupTemplateCaching(lookups, false);
1.266 - }
1.267 -
1.268 - public void testProxyLookupTemplateCachingOnSizeTwoArray() {
1.269 - Lookup lookups[] = new Lookup[2];
1.270 - lookups[1] = Lookup.EMPTY;
1.271 - doProxyLookupTemplateCaching(lookups, false);
1.272 - }
1.273 - public void testProxyLookupShallNotAllowModificationOfGetLookups(){
1.274 - Lookup lookups[] = new Lookup[1];
1.275 - doProxyLookupTemplateCaching(lookups, true);
1.276 - }
1.277 -
1.278 - public void testProxyLookupShallNotAllowModificationOfGetLookupsOnSizeTwoArray() {
1.279 - Lookup lookups[] = new Lookup[2];
1.280 - lookups[1] = Lookup.EMPTY;
1.281 - doProxyLookupTemplateCaching(lookups, true);
1.282 - }
1.283 -
1.284 - /** Index 0 of lookups will be modified, the rest is up to the
1.285 - * setup code.
1.286 - */
1.287 - private void doProxyLookupTemplateCaching(Lookup[] lookups, boolean reget) {
1.288 - // Create MyProxyLookup with one lookup containing the String object
1.289 - InstanceContent inst = new InstanceContent();
1.290 - inst.add(new String("Hello World")); //NOI18N
1.291 - lookups[0] = new AbstractLookup(inst);
1.292 - ProxyLookup proxy = new ProxyLookup(lookups);
1.293 - if (reget) {
1.294 - lookups = proxy.getLookups();
1.295 - }
1.296 -
1.297 - // Performing template lookup for String object
1.298 - Lookup.Result result = proxy.lookup(new Lookup.Template(String.class, null, null));
1.299 - int stringTemplateResultSize = result.allInstances().size();
1.300 - assertEquals ("Ensure, there is only one instance of String.class in proxyLookup:", //NOI18N
1.301 - 1, stringTemplateResultSize);
1.302 -
1.303 - // Changing lookup in proxy lookup, now it will contain
1.304 - // StringBuffer Object instead of String
1.305 - InstanceContent ic2 = new InstanceContent();
1.306 - ic2.add(new Integer(1234567890));
1.307 - lookups[0] = new AbstractLookup(ic2);
1.308 - proxy.setLookups(lookups);
1.309 -
1.310 - assertEquals ("the old result is updated", 0, result.allInstances().size());
1.311 -
1.312 - // Instance of String.class should not appear in proxyLookup
1.313 - Lookup.Result r2 = proxy.lookup(new Lookup.Template(String.class, null, null));
1.314 - assertEquals ("Instance of String.class should not appear in proxyLookup:", //NOI18N
1.315 - 0, r2.allInstances().size());
1.316 -
1.317 - Lookup.Result r3 = proxy.lookup(new Lookup.Template(Integer.class, null, null));
1.318 - assertEquals ("There is only one instance of Integer.class in proxyLookup:", //NOI18N
1.319 - 1, r3.allInstances().size());
1.320 - }
1.321 -
1.322 - public void testListeningAndQueryingByTwoListenersInstancesSetLookups() {
1.323 - doListeningAndQueryingByTwoListenersSetLookups(0, 1);
1.324 - }
1.325 - public void testListeningAndQueryingByTwoListenersClassesSetLookups() {
1.326 - doListeningAndQueryingByTwoListenersSetLookups(1, 1);
1.327 - }
1.328 - public void testListeningAndQueryingByTwoListenersItemsSetLookups() {
1.329 - doListeningAndQueryingByTwoListenersSetLookups(2, 1);
1.330 - }
1.331 -
1.332 - public void testListeningAndQueryingByTwoListenersInstancesSetLookups2() {
1.333 - doListeningAndQueryingByTwoListenersSetLookups(0, 2);
1.334 - }
1.335 - public void testListeningAndQueryingByTwoListenersClassesSetLookups2() {
1.336 - doListeningAndQueryingByTwoListenersSetLookups(1, 2);
1.337 - }
1.338 - public void testListeningAndQueryingByTwoListenersItemsSetLookups2() {
1.339 - doListeningAndQueryingByTwoListenersSetLookups(2, 2);
1.340 - }
1.341 - public void testListeningAndQueryingByTwoListenersInstancesSetLookups22() {
1.342 - doListeningAndQueryingByTwoListenersSetLookups(0, 22);
1.343 - }
1.344 - public void testListeningAndQueryingByTwoListenersClassesSetLookups22() {
1.345 - doListeningAndQueryingByTwoListenersSetLookups(1, 22);
1.346 - }
1.347 - public void testListeningAndQueryingByTwoListenersItemsSetLookups22() {
1.348 - doListeningAndQueryingByTwoListenersSetLookups(2, 22);
1.349 - }
1.350 -
1.351 - private void doListeningAndQueryingByTwoListenersSetLookups(final int type, int depth) {
1.352 - ProxyLookup orig = new ProxyLookup();
1.353 - ProxyLookup on = orig;
1.354 -
1.355 - while (--depth > 0) {
1.356 - on = new ProxyLookup(new Lookup[] { on });
1.357 - }
1.358 -
1.359 -
1.360 - final ProxyLookup lookup = on;
1.361 -
1.362 - class L implements LookupListener {
1.363 - Lookup.Result integer = lookup.lookup(new Lookup.Template(Integer.class));
1.364 - Lookup.Result number = lookup.lookup(new Lookup.Template(Number.class));
1.365 - Lookup.Result serial = lookup.lookup(new Lookup.Template(Serializable.class));
1.366 -
1.367 - {
1.368 - integer.addLookupListener(this);
1.369 - number.addLookupListener(this);
1.370 - serial.addLookupListener(this);
1.371 - }
1.372 -
1.373 - int round;
1.374 -
1.375 - public void resultChanged(LookupEvent ev) {
1.376 - Collection c1 = get(type, integer);
1.377 - Collection c2 = get(type, number);
1.378 - Collection c3 = get(type, serial);
1.379 -
1.380 - assertEquals("round " + round + " c1 vs. c2", c1, c2);
1.381 - assertEquals("round " + round + " c1 vs. c3", c1, c3);
1.382 - assertEquals("round " + round + " c2 vs. c3", c2, c3);
1.383 -
1.384 - round++;
1.385 - }
1.386 -
1.387 - private Collection get(int type, Lookup.Result res) {
1.388 - Collection c;
1.389 - switch(type) {
1.390 - case 0: c = res.allInstances(); break;
1.391 - case 1: c = res.allClasses(); break;
1.392 - case 2: c = res.allItems(); break;
1.393 - default: c = null; fail("Type: " + type); break;
1.394 - }
1.395 -
1.396 - assertNotNull(c);
1.397 - return new ArrayList(c);
1.398 - }
1.399 - }
1.400 -
1.401 - L listener = new L();
1.402 - listener.resultChanged(null);
1.403 - ArrayList arr = new ArrayList();
1.404 - for(int i = 0; i < 100; i++) {
1.405 - arr.add(new Integer(i));
1.406 -
1.407 - orig.setLookups(new Lookup[] { Lookups.fixed(arr.toArray()) });
1.408 - }
1.409 -
1.410 - assertEquals("3x100+1 checks", 301, listener.round);
1.411 - }
1.412 -
1.413 - static Object holder;
1.414 -
1.415 - public void testProxyWithLiveResultCanBeCollected() {
1.416 - Lookup layer0 = Lookups.singleton("Hello");
1.417 - Lookup layer1 = new ProxyLookup(new Lookup[] { layer0 });
1.418 - Lookup layer2 = new ProxyLookup(new Lookup[] { layer1 });
1.419 - Lookup.Result result1 = layer1.lookup(new Lookup.Template(String.class));
1.420 -
1.421 - assertEquals("One instance", 1, result1.allInstances().size());
1.422 -
1.423 - // this will create ProxyLookup$R which listens on origResult
1.424 - Lookup.Result result2 = layer2.lookup(new Lookup.Template(String.class));
1.425 -
1.426 - // this line is necessary. W/o actually querying the result,
1.427 - // it will nether compute it nor attach the listener.
1.428 - assertEquals("One instance", 1, result2.allInstances().size());
1.429 -
1.430 - result2.addLookupListener(new LookupListener() {
1.431 - public void resultChanged(LookupEvent ev) {}
1.432 - });
1.433 -
1.434 - Reference ref = new WeakReference(layer2);
1.435 - layer2 = null;
1.436 - result2 = null;
1.437 - try {
1.438 - holder = result1;
1.439 - assertGC ("The proxy lookup not been garbage collected!", ref);
1.440 - } finally {
1.441 - holder = null;
1.442 - }
1.443 - }
1.444 -
1.445 - public void testArrayIndexAsInIssue119292() throws Exception {
1.446 - final ProxyLookup pl = new ProxyLookup();
1.447 - final int[] cnt = { 0 };
1.448 -
1.449 - class L extends Lookup {
1.450 - L[] set;
1.451 - Lookup l;
1.452 -
1.453 - public L(String s) {
1.454 - l = Lookups.singleton(s);
1.455 - }
1.456 -
1.457 - @Override
1.458 - public <T> T lookup(Class<T> clazz) {
1.459 - return l.lookup(clazz);
1.460 - }
1.461 -
1.462 - @Override
1.463 - public <T> Result<T> lookup(Template<T> template) {
1.464 - return l.lookup(template);
1.465 - }
1.466 -
1.467 - @Override
1.468 - @SuppressWarnings("EqualsWhichDoesntCheckParameterClass")
1.469 - public boolean equals(Object obj) {
1.470 - if (set != null) {
1.471 - cnt[0]++;
1.472 - pl.setLookups(set);
1.473 - }
1.474 - return super.equals(obj);
1.475 - }
1.476 -
1.477 - @Override
1.478 - public int hashCode() {
1.479 - int hash = 3;
1.480 - return hash;
1.481 - }
1.482 - }
1.483 -
1.484 - Result<String> res = pl.lookupResult(String.class);
1.485 - assertEquals(Collections.EMPTY_LIST, res.allItems());
1.486 -
1.487 - L[] old = { new L("A"), new L("B") };
1.488 - L[] now = { new L("C") };
1.489 -
1.490 - pl.setLookups(old);
1.491 - cnt[0] = 0;
1.492 -
1.493 - old[0].set = new L[0];
1.494 - pl.setLookups(now);
1.495 -
1.496 - assertEquals("No call to equals", 0, cnt[0]);
1.497 -
1.498 - assertEquals("Still assigned to C", Collections.singletonList("C"), res.allInstances());
1.499 - }
1.500 -
1.501 - public void testArrayIndexWithAddRemoveListenerAsInIssue119292() throws Exception {
1.502 - final ProxyLookup pl = new ProxyLookup();
1.503 - final int[] cnt = { 0 };
1.504 -
1.505 - class L extends Lookup {
1.506 - L[] set;
1.507 - Lookup l;
1.508 -
1.509 - public L(String s) {
1.510 - l = Lookups.singleton(s);
1.511 - }
1.512 -
1.513 - @Override
1.514 - public <T> T lookup(Class<T> clazz) {
1.515 - return l.lookup(clazz);
1.516 - }
1.517 -
1.518 - @Override
1.519 - public <T> Result<T> lookup(Template<T> template) {
1.520 - Result<T> r = l.lookup(template);
1.521 - return new R<T>(r);
1.522 - }
1.523 -
1.524 - final class R<T> extends Result<T> {
1.525 - private Result<T> delegate;
1.526 -
1.527 - public R(Result<T> delegate) {
1.528 - this.delegate = delegate;
1.529 - }
1.530 -
1.531 - @Override
1.532 - public void addLookupListener(LookupListener l) {
1.533 - cnt[0]++;
1.534 - if (set != null) {
1.535 - pl.setLookups(set);
1.536 - }
1.537 - delegate.addLookupListener(l);
1.538 - }
1.539 -
1.540 - @Override
1.541 - public void removeLookupListener(LookupListener l) {
1.542 - cnt[0]++;
1.543 - if (set != null) {
1.544 - pl.setLookups(set);
1.545 - }
1.546 - delegate.removeLookupListener(l);
1.547 - }
1.548 -
1.549 - @Override
1.550 - public Collection<? extends T> allInstances() {
1.551 - return delegate.allInstances();
1.552 - }
1.553 - }
1.554 - }
1.555 -
1.556 - Result<String> res = pl.lookupResult(String.class);
1.557 - assertEquals(Collections.EMPTY_LIST, res.allItems());
1.558 -
1.559 - L[] old = { new L("A"), new L("B") };
1.560 - L[] now = { new L("C") };
1.561 -
1.562 - pl.setLookups(old);
1.563 - cnt[0] = 0;
1.564 -
1.565 - old[0].set = new L[0];
1.566 - pl.setLookups(now);
1.567 -
1.568 - if (cnt[0] == 0) {
1.569 - fail("There should be calls to listeners");
1.570 - }
1.571 -
1.572 - assertEquals("C is overriden from removeLookupListener", Collections.emptyList(), res.allInstances());
1.573 - }
1.574 -
1.575 -
1.576 - public void testArrayIndexWithSetLookupAsInIssue123679() throws Exception {
1.577 - final ProxyLookup pl = new ProxyLookup();
1.578 - final int[] cnt = { 0 };
1.579 -
1.580 - class L extends Lookup {
1.581 - L[] set;
1.582 - Lookup l;
1.583 - Collection<? extends Serializable> res;
1.584 -
1.585 - public L(String s) {
1.586 - l = Lookups.singleton(s);
1.587 - }
1.588 -
1.589 - @Override
1.590 - public <T> T lookup(Class<T> clazz) {
1.591 - return l.lookup(clazz);
1.592 - }
1.593 -
1.594 - @Override
1.595 - public <T> Result<T> lookup(Template<T> template) {
1.596 - cnt[0]++;
1.597 - if (set != null) {
1.598 - pl.setLookups(set);
1.599 - res = pl.lookupAll(Serializable.class);
1.600 - }
1.601 - Result<T> r = l.lookup(template);
1.602 - return r;
1.603 - }
1.604 - }
1.605 -
1.606 - L[] now = { new L("A"), new L("B") };
1.607 - L[] old = { new L("C") };
1.608 - pl.setLookups(old);
1.609 - old[0].set = now;
1.610 -
1.611 - Result<String> res = pl.lookupResult(String.class);
1.612 - assertEquals("New items visible", 2, res.allItems().size());
1.613 -
1.614 -
1.615 - pl.setLookups(new L("X"), new L("Y"), new L("Z"));
1.616 - }
1.617 -
1.618 - public void testDuplicatedLookupArrayIndexWithSetLookupAsInIssue123679() throws Exception {
1.619 - final ProxyLookup pl = new ProxyLookup();
1.620 - final int[] cnt = { 0 };
1.621 -
1.622 - class L extends Lookup {
1.623 - L[] set;
1.624 - Lookup l;
1.625 - Collection<? extends Serializable> res;
1.626 -
1.627 - public L(String s) {
1.628 - l = Lookups.singleton(s);
1.629 - }
1.630 -
1.631 - @Override
1.632 - public <T> T lookup(Class<T> clazz) {
1.633 - return l.lookup(clazz);
1.634 - }
1.635 -
1.636 - @Override
1.637 - public <T> Result<T> lookup(Template<T> template) {
1.638 - cnt[0]++;
1.639 - if (set != null) {
1.640 - pl.setLookups(set);
1.641 - res = pl.lookupAll(Serializable.class);
1.642 - }
1.643 - Result<T> r = l.lookup(template);
1.644 - return r;
1.645 - }
1.646 - }
1.647 -
1.648 - L dupl = new L("A");
1.649 - L[] now = { dupl };
1.650 - L[] old = { new L("C") };
1.651 - pl.setLookups(old);
1.652 - old[0].set = now;
1.653 -
1.654 - Result<String> res = pl.lookupResult(String.class);
1.655 - assertEquals("New items visible", 1, res.allItems().size());
1.656 -
1.657 -
1.658 - pl.setLookups(old);
1.659 - }
1.660 -}