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Java > Open Source Codes > com > db4o > db4ounit > jre12 > collections > custom > Db4oHashMapDeletedKeyTestCase


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

21 package com.db4o.db4ounit.jre12.collections.custom;
22
23 import java.util.*;
24
25 import db4ounit.extensions.*;
26
27
28 public class Db4oHashMapDeletedKeyTestCase extends AbstractDb4oTestCase {
29
30     public static class Data {
31         public Map _map;
32     }
33     
34     protected void store(){
35         Data data=new Data();
36         data._map = db().collections().newHashMap(1);
37         // _map = Test.objectContainer().collections().newIdentityHashMap(1);
38
data._map.put(new DHMDKey("key"), "value");
39         store(data);
40     }
41     
42     public void test() throws Exception JavaDoc{
43         DHMDKey key = (DHMDKey) retrieveOnlyInstance(DHMDKey.class);
44         db().delete(key);
45         reopen();
46     }
47     
48     public static class DHMDKey{
49         
50         public String JavaDoc _name;
51         
52         public DHMDKey(String JavaDoc name){
53             _name = name;
54         }
55         
56         public int hashCode() {
57             return _name.hashCode();
58         }
59         
60     }
61
62 }
63
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