| 1 | /* $Id: tstVDCompact.vd 44943 2013-03-06 23:07:00Z vboxsync $ */
|
|---|
| 2 | /**
|
|---|
| 3 | * Storage: Testcase for compacting disks.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2011 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 | void tstCompact(string strMsg, string strBackend)
|
|---|
| 19 | {
|
|---|
| 20 | print(strMsg);
|
|---|
| 21 |
|
|---|
| 22 | /* Create disk containers, read verification is on. */
|
|---|
| 23 | createdisk("disk", true);
|
|---|
| 24 | create("disk", "base", "tstCompact.disk", "dynamic", strBackend, 200M, false);
|
|---|
| 25 |
|
|---|
| 26 | /* Fill the disk with random data. */
|
|---|
| 27 | io("disk", false, 1, "seq", 64K, 0, 200M, 200M, 100, "none");
|
|---|
| 28 | /* Read the data to verify it once. */
|
|---|
| 29 | io("disk", false, 1, "seq", 64K, 0, 200M, 200M, 0, "none");
|
|---|
| 30 | /* Fill a part with 0's. */
|
|---|
| 31 | io("disk", false, 1, "seq", 64K, 100M, 150M, 50M, 100, "zero");
|
|---|
| 32 |
|
|---|
| 33 | /* Now compact. */
|
|---|
| 34 | compact("disk", 0);
|
|---|
| 35 | /* Read again to verify that the content hasn't changed. */
|
|---|
| 36 | io("disk", false, 1, "seq", 64K, 0, 200M, 200M, 0, "none");
|
|---|
| 37 | /* Fill everything with 0. */
|
|---|
| 38 | io("disk", false, 1, "seq", 64K, 0, 200M, 200M, 100, "zero");
|
|---|
| 39 | /* Now compact again. */
|
|---|
| 40 | compact("disk", 0);
|
|---|
| 41 | /* Read again to verify that the content hasn't changed. */
|
|---|
| 42 | io("disk", false, 1, "seq", 64K, 0, 200M, 200M, 0, "none");
|
|---|
| 43 |
|
|---|
| 44 | close("disk", "single", true);
|
|---|
| 45 | destroydisk("disk");
|
|---|
| 46 | }
|
|---|
| 47 |
|
|---|
| 48 | void main()
|
|---|
| 49 | {
|
|---|
| 50 | /* Init I/O RNG for generating random data for writes. */
|
|---|
| 51 | iorngcreate(10M, "manual", 1234567890);
|
|---|
| 52 |
|
|---|
| 53 | /* Create zero pattern */
|
|---|
| 54 | iopatterncreatefromnumber("zero", 1M, 0);
|
|---|
| 55 |
|
|---|
| 56 | tstCompact("Testing VDI", "VDI");
|
|---|
| 57 | tstCompact("Testing VHD", "VHD");
|
|---|
| 58 |
|
|---|
| 59 | /* Destroy RNG and pattern */
|
|---|
| 60 | iopatterndestroy("zero");
|
|---|
| 61 | iorngdestroy();
|
|---|
| 62 | }
|
|---|
