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1
21 package com.db4o.db4ounit.common.classindex;
22
23 import com.db4o.YapClass;
24 import com.db4o.db4ounit.common.btree.ExpectingVisitor;
25 import com.db4o.inside.classindex.ClassIndexStrategy;
26
27 import db4ounit.extensions.AbstractDb4oTestCase;
28 import db4ounit.extensions.fixtures.*;
29
30 public class ClassIndexTestCase extends AbstractDb4oTestCase implements OptOutCS{
31
32 public static class Item {
33 public String  name;
34
35 public Item(String _name) {
36 this.name = _name;
37 }
38 }
39
40 public static void main(String [] args) {
41 new ClassIndexTestCase().runSolo();
42 }
43
44 public void testDelete() throws Exception {
45 Item item = new Item("test");
46 store(item);
47 int id=(int)db().getID(item);
48 assertID(id);
49
50 reopen();
51
52 item=(Item)db().get(item).next();
53 id=(int)db().getID(item);
54 assertID(id);
55
56 db().delete(item);
57 db().commit();
58 assertEmpty();
59
60 reopen();
61
62 assertEmpty();
63 }
64
65 private void assertID(int id) {
66 assertIndex(new Object []{new Integer (id)});
67 }
68
69 private void assertEmpty() {
70 assertIndex(new Object []{});
71 }
72
73 private void assertIndex(Object [] expected) {
74 YapClass clazz = stream().getYapClass(reflector().forClass(Item.class));
75 ExpectingVisitor visitor = new ExpectingVisitor(expected);
76 ClassIndexStrategy index = clazz.index();
77 index.traverseAll(trans(),visitor);
78 visitor.assertExpectations();
79 }
80 }
81 |
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