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.db4ounit.common.querying;
22:
23: import com.db4o.config.*;
24:
25: import db4ounit.*;
26: import db4ounit.extensions.*;
27:
28: public class CascadeDeleteFalse extends AbstractDb4oTestCase {
29:
30: public static class CascadeDeleteFalseHelper {
31: }
32:
33: public CascadeDeleteFalseHelper h1;
34: public CascadeDeleteFalseHelper h2;
35: public CascadeDeleteFalseHelper h3;
36:
37: protected void configure(Configuration conf) {
38: conf.objectClass(this ).cascadeOnDelete(true);
39: conf.objectClass(this ).objectField("h3").cascadeOnDelete(false);
40: }
41:
42: protected void store() {
43: CascadeDeleteFalse cdf = new CascadeDeleteFalse();
44: cdf.h1 = new CascadeDeleteFalseHelper();
45: cdf.h2 = new CascadeDeleteFalseHelper();
46: cdf.h3 = new CascadeDeleteFalseHelper();
47: db().set(cdf);
48: }
49:
50: public void test() {
51: checkHelperCount(3);
52:
53: CascadeDeleteFalse cdf = (CascadeDeleteFalse) retrieveOnlyInstance(getClass());
54: db().delete(cdf);
55:
56: checkHelperCount(1);
57: }
58:
59: private void checkHelperCount(int count) {
60: Assert.areEqual(count,
61: countOccurences(CascadeDeleteFalseHelper.class));
62: }
63: }
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