Author: tv
Date: Tue Dec 10 13:14:49 2013
New Revision: 1549833
URL: http://svn.apache.org/r1549833
Log:
Add multi-thread test for JCS-73
Added:
commons/proper/jcs/trunk/src/test-conf/TestJCS-73.ccf
commons/proper/jcs/trunk/src/test/org/apache/commons/jcs/JCSConcurrentCacheAccessUnitTest.java
(with props)
Added: commons/proper/jcs/trunk/src/test-conf/TestJCS-73.ccf
URL:
http://svn.apache.org/viewvc/commons/proper/jcs/trunk/src/test-conf/TestJCS-73.ccf?rev=1549833&view=auto
==============================================================================
--- commons/proper/jcs/trunk/src/test-conf/TestJCS-73.ccf (added)
+++ commons/proper/jcs/trunk/src/test-conf/TestJCS-73.ccf Tue Dec 10 13:14:49
2013
@@ -0,0 +1,42 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# Cache configuration for the 'JCSConcurrentCacheAccessUnitTest' test.
+
+jcs.default=CACHE
+jcs.default.cacheattributes=org.apache.commons.jcs.engine.CompositeCacheAttributes
+jcs.default.cacheattributes.MaxObjects=-1
+jcs.default.cacheattributes.MemoryCacheName=org.apache.commons.jcs.engine.memory.lru.LRUMemoryCache
+jcs.default.cacheattributes.DiskUsagePatternName=UPDATE
+jcs.default.cacheattributes.UseMemoryShrinker=true
+jcs.default.cacheattributes.MaxMemoryIdleTimeSeconds=10
+jcs.default.cacheattributes.ShrinkerIntervalSeconds=10
+jcs.default.elementattributes=org.apache.commons.jcs.engine.ElementAttributes
+jcs.default.elementattributes.IsRemote=false
+jcs.default.elementattributes.IsLateral=false
+jcs.default.elementattributes.IsSpool=true
+jcs.default.elementattributes.IsEternal=true
+
+jcs.auxiliary.CACHE=org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory
+jcs.auxiliary.CACHE.attributes=org.apache.commons.jcs.auxiliary.disk.indexed.IndexedDiskCacheAttributes
+jcs.auxiliary.CACHE.attributes.DiskPath=target/test-sandbox/concurrent_cache
+jcs.auxiliary.CACHE.attributes.MaxPurgatorySize=-1
+jcs.auxiliary.CACHE.attributes.MaxKeySize=-1
+jcs.auxiliary.CACHE.attributes.MaxRecycleBinSize=500
+jcs.auxiliary.CACHE.attributes.ShutdownSpoolTimeLimit=60
+jcs.auxiliary.CACHE.attributes.OptimizeAtRemoveCount=30000
+jcs.auxiliary.CACHE.attributes.OptimizeOnShutdown=true
+jcs.auxiliary.CACHE.attributes.EventQueueType=SINGLE
Added:
commons/proper/jcs/trunk/src/test/org/apache/commons/jcs/JCSConcurrentCacheAccessUnitTest.java
URL:
http://svn.apache.org/viewvc/commons/proper/jcs/trunk/src/test/org/apache/commons/jcs/JCSConcurrentCacheAccessUnitTest.java?rev=1549833&view=auto
==============================================================================
---
commons/proper/jcs/trunk/src/test/org/apache/commons/jcs/JCSConcurrentCacheAccessUnitTest.java
(added)
+++
commons/proper/jcs/trunk/src/test/org/apache/commons/jcs/JCSConcurrentCacheAccessUnitTest.java
Tue Dec 10 13:14:49 2013
@@ -0,0 +1,164 @@
+package org.apache.commons.jcs;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import org.apache.commons.jcs.access.exception.CacheException;
+
+/**
+ * Test Case for JCS-73, modeled after the Groovy code by Alexander Kleymenov
+ *
+ * @author Thomas Vandahl
+ *
+ */
+public class JCSConcurrentCacheAccessUnitTest
+ extends TestCase
+{
+ /**
+ * the cache instance
+ */
+ protected JCS<Integer, String> cache;
+
+ /**
+ * the group name
+ */
+ protected String group = "group";
+
+ /**
+ * the error count
+ */
+ protected AtomicInteger errcount;
+
+ @Override
+ protected void setUp() throws Exception
+ {
+ super.setUp();
+ JCS.setConfigFilename( "/TestJCS-73.ccf" );
+ cache = JCS.getInstance( "cache" );
+ errcount = new AtomicInteger(0);
+ }
+
+ @Override
+ protected void tearDown()
+ throws Exception
+ {
+ super.tearDown();
+ cache.clear();
+ cache.dispose();
+ }
+
+ /**
+ * Worker thread
+ */
+ private class Worker extends Thread
+ {
+ @Override
+ public void run()
+ {
+ String name = getName();
+
+ for (int idx = 0; idx < 10000; idx++)
+ {
+ if (idx > 0)
+ {
+ // get previously stored value
+ String res =
cache.getFromGroup(Integer.valueOf(idx-1), group);
+
+ if (res == null)
+ {
+ // null value got inspite of the fact it was
placed in cache!
+ System.out.println("ERROR: for " + idx + " in "
+ name);
+ errcount.incrementAndGet();
+
+ // try to get the value again:
+ int n = 5;
+ while (n-- > 0)
+ {
+ res =
cache.getFromGroup(Integer.valueOf(idx-1), group);
+ if (res != null)
+ {
+ // the value finally appeared in cache
+ System.out.println("ERROR FIXED for " +
idx + ": " + res + " " + name);
+ errcount.decrementAndGet();
+ break;
+ }
+
+ System.out.println("ERROR STILL PERSISTS
for " + idx + " in " + name);
+ try
+ {
+
Thread.sleep(1000);
+ }
+ catch (InterruptedException e)
+ {
+ // continue
+ }
+ }
+ }
+
+ Assert.assertEquals("Values do not match",
String.valueOf(idx-1), res);
+ }
+
+ // put value in the cache
+ try
+ {
+ cache.putInGroup(Integer.valueOf(idx),
group, String.valueOf(idx));
+ }
+ catch (CacheException e)
+ {
+ // continue
+ }
+
+ if ((idx % 1000) == 0)
+ {
+ System.out.println(name + " " + idx);
+ }
+ }
+
+ }
+ }
+
+ /**
+ *
+ * @throws Exception
+ */
+ public void testConcurrentAccess()
+ throws Exception
+ {
+ Worker[] worker = new Worker[10];
+
+ for (int i = 0; i < 10; i++)
+ {
+ worker[i] = new Worker();
+ worker[i].start();
+ }
+
+ for (int i = 0; i < 10; i++)
+ {
+ worker[i].join();
+ }
+
+ assertEquals("Error count should be 0", 0, errcount.intValue());
+ }
+
+}
Propchange:
commons/proper/jcs/trunk/src/test/org/apache/commons/jcs/JCSConcurrentCacheAccessUnitTest.java
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