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.freespace;
22:
23: import com.db4o.internal.*;
24: import com.db4o.internal.freespace.*;
25: import com.db4o.internal.slots.*;
26:
27: import db4ounit.*;
28: import db4ounit.extensions.fixtures.*;
29:
30: public abstract class FreespaceManagerTestCaseBase extends
31: FileSizeTestCaseBase implements OptOutCS {
32:
33: protected FreespaceManager[] fm;
34:
35: protected void db4oSetupAfterStore() throws Exception {
36: LocalObjectContainer container = (LocalObjectContainer) db();
37:
38: // FreespaceManagerIx fmIx = new FreespaceManagerIx(container);
39: // int address = fmIx.onNew(container);
40: // fmIx.start(address);
41:
42: BTreeFreespaceManager btreeFm = new BTreeFreespaceManager(
43: container);
44: btreeFm.start(0);
45:
46: fm = new FreespaceManager[] {
47: new RamFreespaceManager(container),
48: // fmIx,
49: btreeFm, };
50: }
51:
52: protected void clear(FreespaceManager freespaceManager) {
53: Slot slot = null;
54: do {
55: slot = freespaceManager.getSlot(1);
56: } while (slot != null);
57: Assert.areEqual(0, freespaceManager.slotCount());
58: Assert.areEqual(0, freespaceManager.totalFreespace());
59: }
60:
61: protected void assertSame(FreespaceManager fm1, FreespaceManager fm2) {
62: Assert.areEqual(fm1.slotCount(), fm2.slotCount());
63: Assert.areEqual(fm1.totalFreespace(), fm2.totalFreespace());
64: }
65:
66: protected void assertSlot(Slot expected, Slot actual) {
67: Assert.areEqual(expected, actual);
68: }
69:
70: protected void produceSomeFreeSpace() {
71: FreespaceManager fm = currentFreespaceManager();
72: int length = 300;
73: Slot slot = container().getSlot(length);
74: Buffer buffer = new Buffer(length);
75: container().writeBytes(buffer, slot.address(), 0);
76: fm.free(slot);
77: }
78:
79: protected FreespaceManager currentFreespaceManager() {
80: return container().freespaceManager();
81: }
82:
83: public static class Item {
84: public int _int;
85: }
86:
87: protected void storeSomeItems() {
88: for (int i = 0; i < 3; i++) {
89: store(new Item());
90: }
91: db().commit();
92: }
93:
94: protected LocalObjectContainer container() {
95: return fixture().fileSession();
96: }
97:
98: }
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