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 com.db4o.*;
24: import com.db4o.query.*;
25:
26: public class InternStrings {
27: public String _name;
28:
29: public InternStrings() {
30: this (null);
31: }
32:
33: public InternStrings(String name) {
34: _name = name;
35: }
36:
37: public void configure() {
38: Db4o.configure().internStrings(true);
39: }
40:
41: public void store() {
42: Test.deleteAllInstances(this );
43: String name = "Foo";
44: Test.store(new InternStrings(name));
45: Test.store(new InternStrings(name));
46: }
47:
48: public void test() {
49: Query query = Test.query();
50: query.constrain(getClass());
51: ObjectSet result = query.execute();
52: Test.ensureEquals(2, result.size());
53: InternStrings first = (InternStrings) result.next();
54: InternStrings second = (InternStrings) result.next();
55: Test.ensure(first._name == second._name);
56: }
57: }
|