Added: labs/bananadb/trunk/src/test/java/org/apache/labs/bananadb/hashtable/TestHashtable.java URL: http://svn.apache.org/viewvc/labs/bananadb/trunk/src/test/java/org/apache/labs/bananadb/hashtable/TestHashtable.java?rev=732099&view=auto ============================================================================== --- labs/bananadb/trunk/src/test/java/org/apache/labs/bananadb/hashtable/TestHashtable.java (added) +++ labs/bananadb/trunk/src/test/java/org/apache/labs/bananadb/hashtable/TestHashtable.java Tue Jan 6 12:25:58 2009 @@ -0,0 +1,107 @@ +package org.apache.labs.bananadb.hashtable; + +/* + * 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 junit.framework.TestCase; +import org.apache.labs.bananadb.hashtable.handlers.IntegerHandler; +import org.apache.labs.bananadb.hashtable.handlers.StringValueHandler; + +import java.io.File; + +/** + * User: kalle + * Date: 2009-jan-03 + * Time: 05:43:56 + */ +public class TestHashtable extends TestCase { + + public void test() throws Exception { + + File path = new File("target/" + Hashtable.class.getSimpleName() + "/" + System.currentTimeMillis()); + path.mkdirs(); + + Hashtable<Integer, String> map; + + map = new Hashtable<Integer, String>(path, 1000000, new IntegerHandler(), new StringValueHandler()); + + assertEquals(0, map.size()); + + HashtableAccessor accessor = map.createAccessor(false); + + assertNull(map.get(accessor, 0)); + + String v = "hello world"; + + assertNull(map.put(accessor, 0, v)); + assertEquals(1, map.size()); + assertEquals(v, map.get(accessor, 0)); + + assertNull(map.put(accessor, 1, v)); + assertEquals(2, map.size()); + + String v2 = map.get(accessor, 1); + assertEquals(v, v2); + + + accessor.close(); + + // + + map = new Hashtable<Integer, String>(path, 100, new IntegerHandler(), new StringValueHandler()); + + assertEquals(2, map.size()); + + accessor = map.createAccessor(false); + Hashtable<Integer, String>.Cursor cursor = map.new Cursor(accessor); + + assertTrue(cursor.next()); + assertEquals(0, (int) cursor.key()); + assertEquals(v, cursor.value()); + + assertTrue(cursor.next()); + assertEquals(1, (int) cursor.key()); + assertEquals(v, cursor.value()); + + assertFalse(cursor.next()); + + v = map.remove(accessor, 0); + assertEquals(1, map.size()); + assertEquals(v2, v); + assertNull(map.get(accessor, 0)); + + accessor.close(); + + // + + map = new Hashtable<Integer, String>(path, 100, new IntegerHandler(), new StringValueHandler()); + + accessor = map.createAccessor(false); + + assertNull(map.get(accessor, 0)); + + assertNotNull(map.get(accessor, 1)); + assertEquals(1, map.size()); + + for (int i = 2; i < 100; i++) { + map.put(accessor, i, v); + assertEquals(v, map.get(accessor, i)); + } + + accessor.close(); + } +}
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