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 CascadeDeleteArray extends AbstractDb4oTestCase {
29:
30: public static class ArrayElem {
31:
32: public String name;
33:
34: public ArrayElem(String name) {
35: this .name = name;
36: }
37: }
38:
39: public ArrayElem[] array;
40:
41: protected void configure(Configuration config) {
42: config.objectClass(this ).cascadeOnDelete(true);
43: }
44:
45: protected void store() {
46: CascadeDeleteArray cda = new CascadeDeleteArray();
47: cda.array = new ArrayElem[] { new ArrayElem("one"),
48: new ArrayElem("two"), new ArrayElem("three"), };
49: db().set(cda);
50: }
51:
52: public void test() {
53:
54: CascadeDeleteArray cda = (CascadeDeleteArray) retrieveOnlyInstance(getClass());
55:
56: Assert.areEqual(3, countOccurences(ArrayElem.class));
57:
58: db().delete(cda);
59:
60: Assert.areEqual(0, countOccurences(ArrayElem.class));
61:
62: db().rollback();
63:
64: Assert.areEqual(3, countOccurences(ArrayElem.class));
65:
66: db().delete(cda);
67:
68: Assert.areEqual(0, countOccurences(ArrayElem.class));
69:
70: db().commit();
71:
72: Assert.areEqual(0, countOccurences(ArrayElem.class));
73: }
74: }
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