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From akaras...@apache.org
Subject svn commit: r642076 - /directory/sandbox/akarasulu/bigbang/apacheds/jdbm-store/src/test/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmBrowserBugTest.java
Date Fri, 28 Mar 2008 03:21:02 GMT
Author: akarasulu
Date: Thu Mar 27 20:20:42 2008
New Revision: 642076

URL: http://svn.apache.org/viewvc?rev=642076&view=rev
Log:
test case to demonstrate jdbm browser bug

Added:
    directory/sandbox/akarasulu/bigbang/apacheds/jdbm-store/src/test/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmBrowserBugTest.java

Added: directory/sandbox/akarasulu/bigbang/apacheds/jdbm-store/src/test/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmBrowserBugTest.java
URL: http://svn.apache.org/viewvc/directory/sandbox/akarasulu/bigbang/apacheds/jdbm-store/src/test/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmBrowserBugTest.java?rev=642076&view=auto
==============================================================================
--- directory/sandbox/akarasulu/bigbang/apacheds/jdbm-store/src/test/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmBrowserBugTest.java
(added)
+++ directory/sandbox/akarasulu/bigbang/apacheds/jdbm-store/src/test/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmBrowserBugTest.java
Thu Mar 27 20:20:42 2008
@@ -0,0 +1,103 @@
+/*
+ *  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. 
+ *  
+ */
+package org.apache.directory.server.core.partition.impl.btree.jdbm;
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.Ignore;
+
+import java.util.Comparator;
+import java.io.File;
+
+import jdbm.RecordManager;
+import jdbm.btree.BTree;
+import jdbm.helper.IntegerSerializer;
+import jdbm.helper.IntegerComparator;
+import jdbm.helper.TupleBrowser;
+import jdbm.helper.Tuple;
+import jdbm.recman.BaseRecordManager;
+import static junit.framework.Assert.assertTrue;
+import static junit.framework.Assert.assertEquals;
+
+
+/**
+ * A test case to confirm the JDBM browser issue.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ * @version $$Rev$$
+ */
+public class JdbmBrowserBugTest
+{
+    Comparator<Integer> comparator;
+    BTree bt;
+    private static final String TEST_OUTPUT_PATH = "test.output.path";
+    private static final Logger LOG = LoggerFactory.getLogger( JdbmBrowserBugTest.class.getSimpleName()
);
+
+    @Before
+    public void createTree() throws Exception
+    {
+        comparator = new Comparator<Integer>()
+        {
+          public int compare( Integer i1, Integer i2 )
+          {
+              return i1.compareTo( i2 );
+          }
+        };
+
+        File tmpDir = null;
+        if ( System.getProperty( TEST_OUTPUT_PATH, null ) != null )
+        {
+            tmpDir = new File( System.getProperty( TEST_OUTPUT_PATH ) );
+        }
+
+        File dbFile = File.createTempFile( getClass().getSimpleName(), "db", tmpDir );
+        RecordManager recman = new BaseRecordManager( dbFile.getAbsolutePath() );
+        bt = BTree.createInstance( recman, new IntegerComparator(), new IntegerSerializer(),
new IntegerSerializer() );
+        LOG.debug( "created new BTree" );
+    }
+
+
+    @Ignore( "Shows JDBM Bug" )
+    @Test
+    public void testDirectionChange() throws Exception
+    {
+        bt.insert( 3, 3, true );
+        bt.insert( 5, 3, true );
+        bt.insert( 7, 3, true );
+        bt.insert( 12, 3, true );
+        bt.insert( 0, 3, true );
+        bt.insert( 30, 3, true );
+        bt.insert( 25, 3, true );
+
+        Tuple tuple = new Tuple();
+        TupleBrowser browser = bt.browse( null );
+        assertTrue( browser.getPrevious( tuple ) );
+        assertEquals( 30, tuple.getKey() );
+
+        assertTrue( browser.getPrevious( tuple ) );
+        assertEquals( 25, tuple.getKey() );
+
+        assertTrue( browser.getNext( tuple ) );
+        assertEquals( 30, tuple.getKey() );
+    }
+}



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