01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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.test;
22:
23: import java.util.*;
24:
25: import com.db4o.*;
26:
27: /**
28: *
29: */
30: public class TreeSetCustomComparable implements Comparable {
31:
32: public Set path;
33:
34: public TreeSetCustomComparable() {
35: this .path = new TreeSet();
36: }
37:
38: public int compareTo(Object that) {
39: return hashCode() - that.hashCode();
40: }
41:
42: public void store() {
43: Test.deleteAllInstances(TreeMap.class);
44: Map map = new TreeMap();
45: map.put(new TreeSetCustomComparable(), new TreeSet());
46: Test.objectContainer().set(map);
47: }
48:
49: public void test() {
50: TreeMap map = new TreeMap();
51: ObjectSet result = Test.objectContainer().get(map);
52: while (result.hasNext()) {
53: TreeMap tm = (TreeMap) result.next();
54: Test.ensure(tm.size() == 1);
55: Iterator i = tm.keySet().iterator();
56: Test.ensure(i.hasNext());
57: TreeSetCustomComparable tscc = (TreeSetCustomComparable) i
58: .next();
59: TreeSet ts = (TreeSet) tm.get(tscc);
60: Test.ensure(ts != null);
61: }
62: }
63: }
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