//$Id: CacheTest.java 11398 2007-04-10 14:54:07Z steve.ebersole@jboss.com $
package org.hibernate.test.legacy;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.hibernate.cache.Cache;
import org.hibernate.cache.CacheConcurrencyStrategy;
import org.hibernate.cache.CacheProvider;
import org.hibernate.cache.ReadWriteCache;
import org.hibernate.cache.HashtableCacheProvider;
import org.hibernate.cache.access.SoftLock;
import org.hibernate.testing.junit.UnitTestCase;
public class CacheTest extends UnitTestCase {
public CacheTest(String name) {
super( name );
}
public static Test suite() {
return new TestSuite( CacheTest.class );
}
public void testCaches() throws Exception {
doTestCache( new HashtableCacheProvider() );
}
public void doTestCache(CacheProvider cacheProvider) throws Exception {
Cache cache = cacheProvider.buildCache( String.class.getName(), System.getProperties() );
long longBefore = cache.nextTimestamp();
Thread.sleep(15);
long before = cache.nextTimestamp();
Thread.sleep(15);
//cache.setTimeout(1000);
CacheConcurrencyStrategy ccs = new ReadWriteCache();
ccs.setCache(cache);
// cache something
assertTrue( ccs.put("foo", "foo", before, null, null, false) );
Thread.sleep(15);
long after = cache.nextTimestamp();
assertTrue( ccs.get("foo", longBefore)==null );
assertTrue( ccs.get("foo", after).equals("foo") );
assertTrue( !ccs.put("foo", "foo", before, null, null, false) );
// update it:
SoftLock lock = ccs.lock("foo", null);
assertTrue( ccs.get("foo", after)==null );
assertTrue( ccs.get("foo", longBefore)==null );
assertTrue( !ccs.put("foo", "foo", before, null, null, false) );
Thread.sleep(15);
long whileLocked = cache.nextTimestamp();
assertTrue( !ccs.put("foo", "foo", whileLocked, null, null, false) );
Thread.sleep(15);
ccs.release("foo", lock);
assertTrue( ccs.get("foo", after)==null );
assertTrue( ccs.get("foo", longBefore)==null );
assertTrue( !ccs.put("foo", "bar", whileLocked, null, null, false) );
assertTrue( !ccs.put("foo", "bar", after, null, null, false) );
Thread.sleep(15);
long longAfter = cache.nextTimestamp();
assertTrue( ccs.put("foo", "baz", longAfter, null, null, false) );
assertTrue( ccs.get("foo", after)==null );
assertTrue( ccs.get("foo", whileLocked)==null );
Thread.sleep(15);
long longLongAfter = cache.nextTimestamp();
assertTrue( ccs.get("foo", longLongAfter).equals("baz") );
// update it again, with multiple locks:
SoftLock lock1 = ccs.lock("foo", null);
SoftLock lock2 = ccs.lock("foo", null);
assertTrue( ccs.get("foo", longLongAfter)==null );
Thread.sleep(15);
whileLocked = cache.nextTimestamp();
assertTrue( !ccs.put("foo", "foo", whileLocked, null, null, false) );
Thread.sleep(15);
ccs.release("foo", lock2);
Thread.sleep(15);
long betweenReleases = cache.nextTimestamp();
assertTrue( !ccs.put("foo", "bar", betweenReleases, null, null, false) );
assertTrue( ccs.get("foo", betweenReleases)==null );
Thread.sleep(15);
ccs.release("foo", lock1);
assertTrue( !ccs.put("foo", "bar", whileLocked, null, null, false) );
Thread.sleep(15);
longAfter = cache.nextTimestamp();
assertTrue( ccs.put("foo", "baz", longAfter, null, null, false) );
assertTrue( ccs.get("foo", whileLocked)==null );
Thread.sleep(15);
longLongAfter = cache.nextTimestamp();
assertTrue( ccs.get("foo", longLongAfter).equals("baz") );
}
}