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21 package com.db4o.db4ounit.common.assorted;
22
23 import com.db4o.config.*;
24 import com.db4o.query.Query;
25
26 import db4ounit.Assert;
27 import db4ounit.extensions.AbstractDb4oTestCase;
28 import db4ounit.extensions.fixtures.*;
29
30
31 public class MultiDeleteTestCase extends AbstractDb4oTestCase implements OptOutDefragSolo {
32
33 public static void main(String  [] args) {
34 new MultiDeleteTestCase().runSoloAndClientServer();
35 }
36
37 public static class Item {
38 public Item child;
39 public String name;
40 public Object forLong;
41 public Long myLong;
42 public Object [] untypedArr;
43 public Long [] typedArr;
44
45 public void setMembers() {
46 forLong = new Long (100);
47 myLong = new Long (100);
48 untypedArr = new Object []{
49 new Long (10),
50 "hi",
51 new Item()
52 };
53 typedArr = new Long []{
54 new Long (3),
55 new Long (7),
56 new Long (9),
57 };
58 }
59 }
60
61 protected void configure(Configuration config) {
62 ObjectClass itemClass = config.objectClass(Item.class);
63 itemClass.cascadeOnDelete(true);
64 itemClass.cascadeOnUpdate(true);
65 }
66
67 protected void store() throws Exception {
68 Item md = new Item();
69 md.name = "killmefirst";
70 md.setMembers();
71 md.child = new Item();
72 md.child.setMembers();
73 db().set(md);
74 }
75
76 public void testDeleteCanBeCalledTwice(){
77 Item item = itemByName("killmefirst");
78 Assert.isNotNull(item);
79 long id = db().getID(item);
80 db().delete(item);
81
82 Assert.areSame(item, itemById(id));
83
84 db().delete(item);
85 Assert.areSame(item, itemById(id));
86 }
87
88 private Item itemByName(String name) {
89 Query q = newQuery(Item.class);
90 q.descend("name").constrain(name);
91 return (Item)q.execute().next();
92 }
93
94 private Item itemById(long id) {
95 return (Item)db().getByID(id);
96 }
97 }
98 |
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