test/disk_writer_test.cc

   1 /*
   2     Copyright (C) 2020-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "lib/cross.h"
  23 #include "lib/ext.h"
  24 #include "test.h"
  25 #include <boost/algorithm/string.hpp>
  26 #include <boost/asio.hpp>
  27 #include <boost/filesystem.hpp>
  28 #include <boost/process.hpp>
  29 #include <boost/test/unit_test.hpp>
  30 #include <sys/stat.h>
  31 #include <sys/types.h>
  32 #include <fcntl.h>
  33 #include <iostream>
  34 #include <future>
  35 #include <regex>
  36
  37
  38 using std::future;
  39 using std::string;
  40 using std::vector;
  41
  42
  43 vector<string>
  44 ext2_ls (vector<string> arguments)
  45 {
  46         using namespace boost::process;
  47
  48         boost::asio::io_service ios;
  49         future<string> data;
  50         child ch (search_path("e2ls"), arguments, std_in.close(), std_out > data, ios);
  51         ios.run();
  52
  53         auto output = data.get();
  54         boost::trim (output);
  55         vector<string> parts;
  56         boost::split (parts, output, boost::is_any_of("\t "), boost::token_compress_on);
  57         return parts;
  58 }
  59
  60
  61 /** Use the writer code to make a disk and partition and copy a file (in a directory)
  62  *  to it, then check that:
  63  *  - the partition has inode size 128
  64  *  - the file and directory have reasonable timestamps
  65  *  - the file can be copied back off the disk
  66  */
  67 BOOST_AUTO_TEST_CASE (disk_writer_test1)
  68 {
  69         using namespace boost::filesystem;
  70         using namespace boost::process;
  71
  72         Cleanup cl;
  73
  74         path disk = "build/test/disk_writer_test1.disk";
  75         path partition = "build/test/disk_writer_test1.partition";
  76
  77         cl.add(disk);
  78         cl.add(partition);
  79
  80         /* lwext4 has a lower limit of correct ext2 partition sizes it can make; 32Mb
  81          * does not work here: fsck gives errors about an incorrect free blocks count.
  82          */
  83         make_random_file(disk, 256 * 1024 * 1024);
  84         make_random_file(partition, 256 * 1024 * 1024);
  85
  86         path dcp = "build/test/disk_writer_test1";
  87         create_directory (dcp);
  88         /* Some arbitrary file size here */
  89         make_random_file (dcp / "foo", 1024 * 1024 * 32 - 6128);
  90
  91         dcpomatic::write (dcp, disk.string(), partition.string(), 0);
  92
  93         BOOST_CHECK_EQUAL (system("/sbin/e2fsck -fn build/test/disk_writer_test1.partition"), 0);
  94
  95         {
  96                 boost::asio::io_service ios;
  97                 future<string> data;
  98                 child ch ("/sbin/tune2fs", args({"-l", partition.string()}), std_in.close(), std_out > data, ios);
  99                 ios.run();
 100
 101                 string output = data.get();
 102                 std::smatch matches;
 103                 std::regex reg("Inode size:\\s*(.*)");
 104                 BOOST_REQUIRE (std::regex_search(output, matches, reg));
 105                 BOOST_REQUIRE (matches.size() == 2);
 106                 BOOST_CHECK_EQUAL (matches[1].str(), "128");
 107         }
 108
 109         BOOST_CHECK (ext2_ls({partition.string()}) == vector<string>({"disk_writer_test1", "lost+found"}));
 110
 111         string const unset_date = "1-Jan-1970";
 112
 113         /* Check timestamp of the directory has been set */
 114         auto details = ext2_ls({"-l", partition.string()});
 115         BOOST_REQUIRE (details.size() >= 6);
 116         BOOST_CHECK (details[5] != unset_date);
 117
 118         auto const dir = partition.string() + ":disk_writer_test1";
 119         BOOST_CHECK (ext2_ls({dir}) == vector<string>({"foo"}));
 120
 121         /* Check timestamp of foo */
 122         details = ext2_ls({"-l", dir});
 123         BOOST_REQUIRE (details.size() >= 6);
 124         BOOST_CHECK (details[5] != unset_date);
 125
 126         system ("e2cp " + partition.string() + ":disk_writer_test1/foo build/test/disk_writer_test1_foo_back");
 127         check_file ("build/test/disk_writer_test1/foo", "build/test/disk_writer_test1_foo_back");
 128
 129         cl.run();
 130 }
 131
 132
 133 BOOST_AUTO_TEST_CASE (disk_writer_test2)
 134 {
 135         using namespace boost::filesystem;
 136         using namespace boost::process;
 137
 138         remove_all("build/test/disk_writer_test2.disk");
 139         remove_all("build/test/disk_writer_test2.partition");
 140         remove_all("build/test/disk_writer_test2");
 141
 142         Cleanup cl;
 143
 144         path const disk = "build/test/disk_writer_test2.disk";
 145         path const partition = "build/test/disk_writer_test2.partition";
 146
 147         cl.add(disk);
 148         cl.add(partition);
 149
 150         make_random_file(disk, 4LL * 1024LL * 1024LL * 1024LL);
 151         make_random_file(partition, 4LL * 1024LL * 1024LL * 1024LL);
 152
 153         auto const dcp = TestPaths::private_data() / "xm";
 154         dcpomatic::write(dcp, disk.string(), partition.string(), 0);
 155
 156         BOOST_CHECK_EQUAL(system("/sbin/e2fsck -fn build/test/disk_writer_test2.partition"), 0);
 157
 158         path const check = "build/test/disk_writer_test2";
 159         create_directory(check);
 160         cl.add(check);
 161
 162         for (auto original: directory_iterator(dcp)) {
 163                 auto path_in_copy = path("xm") / original.path().filename();
 164                 auto path_in_check = check / original.path().filename();
 165                 system("e2cp " + partition.string() + ":" + path_in_copy.string() + " " + path_in_check.string());
 166                 check_file(original.path(), path_in_check);
 167         }
 168
 169         cl.run();
 170 }
 171
 172
 173 BOOST_AUTO_TEST_CASE (osx_drive_identification_test)
 174 {
 175         vector<OSXDisk> disks;
 176
 177         auto disk = [&disks](string mount_point, string media_path, bool whole, std::vector<boost::filesystem::path> mount_points)
 178         {
 179                 auto mp = analyse_osx_media_path (media_path);
 180                 if (mp) {
 181                         disks.push_back({mount_point, {}, {}, *mp, whole, mount_points, 0});
 182                 }
 183         };
 184
 185         auto find_unmounted = [](vector<OSXDisk> disks) {
 186                 auto drives = osx_disks_to_drives (disks);
 187                 vector<Drive> unmounted;
 188                 std::copy_if (drives.begin(), drives.end(), std::back_inserter(unmounted), [](Drive const& drive) { return !drive.mounted(); });
 189                 return unmounted;
 190         };
 191
 192         disk("/dev/disk4s1", "IODeviceTree:/arm-io@10F00000/apcie@90000000/pci-bridge1@1/pcie-xhci@0/@7:1", false, {});
 193         disk("/dev/disk4", "IODeviceTree:/arm-io@10F00000/apcie@90000000/pci-bridge1@1/pcie-xhci@0/@7:0", true, {});
 194         disk("/dev/disk0", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:0", true, {});
 195         disk("/dev/disk0s1", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:1", false, {});
 196         disk("/dev/disk0s2", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:2", false, {});
 197         disk("/dev/disk0s3", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:3", false, {});
 198         disk("/dev/disk1", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/iBootSystemContainer@1/AppleAPFSContainerScheme/AppleAPFSMedia", true, {});
 199         disk("/dev/disk2", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/RecoveryOSContainer@3/AppleAPFSContainerScheme/AppleAPFSMedia", true, {});
 200         disk("/dev/disk3", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia", false, {});
 201         disk("/dev/disk1s1", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/iBootSystemContainer@1/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/iSCPreboot@1", false, {});
 202         disk("/dev/disk1s2", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/iBootSystemContainer@1/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/xART@2", false, {});
 203         disk("/dev/disk1s3", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/iBootSystemContainer@1/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Hardware@3", false, {});
 204         disk("/dev/disk1s4", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/iBootSystemContainer@1/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Recovery@4", false, {});
 205         disk("/dev/disk2s1", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/RecoveryOSContainer@3/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Recovery@1", false, {});
 206         disk("/dev/disk2s2", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/RecoveryOSContainer@3/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Update@2", false, {});
 207         disk("/dev/disk3s1", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Macintosh HD@1", false, {});
 208         disk("/dev/disk3s4", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Update@4", false, {"/System/Volumes/Update"});
 209         disk("/dev/disk3s5", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Data@5", false, {"/System/Volumes/Data"});
 210         disk("/dev/disk3s2", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Preboot@2", false, {"/System/Volumes/Preboot"});
 211         disk("/dev/disk3s3", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Recovery@3", false, {});
 212         disk("/dev/disk3s6", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/VM@6", false, {"/System/Volumes/VM"});
 213         disk("/dev/disk3s1s1", "IOService:/AppleARMPE/arm-io@10F00000/AppleT810xIO/ans@77400000/AppleASCWrapV4/iop-ans-nub/RTBuddyV2/RTBuddyService/AppleANS3NVMeController/NS_01@1/IOBlockStorageDriver/APPLE SSD AP0512Q Media/IOGUIDPartitionScheme/Container@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Macintosh HD@1/com.apple.os.update-EA882DCA7A28EBA0A6E94689836BB10D77D84D1AEE2468E17775A447AA815278@1", false, {"/"});
 214
 215         vector<Drive> writeable = find_unmounted (disks);
 216         BOOST_REQUIRE_EQUAL (writeable.size(), 1U);
 217         BOOST_CHECK_EQUAL (writeable[0].device(), "/dev/disk4");
 218
 219         disks.clear ();
 220         disk("/dev/disk4s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 221         disk("/dev/disk4", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 222         disk("/dev/disk3s1", "IODeviceTree:/PCI0@0/XHC1@14/@2:1", false, {});
 223         disk("/dev/disk3", "IODeviceTree:/PCI0@0/XHC1@14/@2:0", true, {});
 224         disk("/dev/disk0", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:0", true, {});
 225         disk("/dev/disk0s1", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:1", false, {});
 226         disk("/dev/disk0s2", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:2", false, {"/Volumes/Macintosh HD"});
 227         disk("/dev/disk0s3", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:3", false, {});
 228         disk("/dev/disk0s4", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:4", false, {});
 229         disk("/dev/disk0s5", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:5", false, {"/Volumes/High Sierra"});
 230         disk("/dev/disk0s6", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:6", false, {});
 231         disk("/dev/disk0s7", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:7", false, {"/Volumes/Recovery HD"});
 232         disk("/dev/disk1", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 3@3/AppleAPFSContainerScheme/AppleAPFSMedia", true, {});
 233         disk("/dev/disk", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 4@4/AppleAPFSContainerScheme/AppleAPFSMedia", true, {});
 234         disk("/dev/disk1s1", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 3@3/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Untitled - Data@1", false, {"/Volumes/Untitled - Data"});
 235         disk("/dev/disk1s2", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 3@3/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Preboot@2", false, {});
 236         disk("/dev/disk1s3", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 3@3/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Recovery@3", false, {});
 237         disk("/dev/disk1s4", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 3@3/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/VM@4", false, {});
 238         disk("/dev/disk1s5", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 3@3/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Untitled@5", false, {"/Volumes/Untitled"});
 239         disk("/dev/disk2s1", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 4@4/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Catalina - Data@1", false, {});
 240         disk("/dev/disk2s2", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 4@4/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Preboot@2", false, {});
 241         disk("/dev/disk2s3", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 4@4/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Recovery@3", false, {});
 242         disk("/dev/disk2s4", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 4@4/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/VM@4", false, {"/private/var/vm"});
 243         disk("/dev/disk2s5", "IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/APPLE HDD ST500LM012 Media/IOGUIDPartitionScheme/Untitled 4@4/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Catalina@5", false, {"/"});
 244
 245         writeable = find_unmounted (disks);
 246         BOOST_REQUIRE_EQUAL (writeable.size(), 1U);
 247         BOOST_CHECK_EQUAL (writeable[0].device(), "/dev/disk3");
 248
 249         disks.clear ();
 250         disk("/dev/disk7", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@3/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 251         disk("/dev/disk7s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@3/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 252         disk("/dev/disk6s1", "MediaPathKey is IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@2/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 253         disk("/dev/disk6", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@2/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 254         disk("/dev/disk5s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@1/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 255         disk("/dev/disk5", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@1/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 256         disk("/dev/disk4s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 257         disk("/dev/disk4", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 258         disk("/dev/disk0", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT3@3/PMP@0/@0:0", true, {});
 259         disk("/dev/disk2", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT1@1/PMP@0/@0:0", true, {});
 260         disk("/dev/disk1", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT0@0/PMP@0/@0:0", true, {});
 261         disk("/dev/disk1s1", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT0@0/PMP@0/@0:1", false, {"/Volumes/EFI"});
 262         disk("/dev/disk2s1", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT1@1/PMP@0/@0:1", false, {});
 263         disk("/dev/disk2s2", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT1@1/PMP@0/@0:2", false, {});
 264         disk("/dev/disk3", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia", false, {});
 265         disk("/dev/disk3s1", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/macOS - Data@1", false, {"/System/Volumes/Data"});
 266         disk("/dev/disk3s2", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Preboot@2", false, {"/System/Volumes/Preboot"});
 267         disk("/dev/disk3s3", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Recovery@3", false, {});
 268         disk("/dev/disk3s4", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/VM@4", false, {"/System/Volumes/VM"});
 269         disk("/dev/disk3s5", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/macOS@5", false, {});
 270         disk("/dev/disk3s6", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/Update@6", false, {"/System/Volumes/Update"});
 271         disk("/dev/disk3s5s1", "IOService:/AppleACPIPlatformExpert/PCI0@1e0000/AppleACPIPCI/pci8086,2829@1F,2/AppleAHCI/PRT1@1/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOBlockStorageDriver/VBOX HARDDISK Media/IOGUIDPartitionScheme/disk image@2/AppleAPFSContainerScheme/AppleAPFSMedia/AppleAPFSContainer/macOS@5/com.apple.os.update-5523D8E63431315F9F949CCDD0274BF797F5CEE4EAF616D4C66A01B8D6A83C7B@1", false, {"/"});
 272
 273         writeable = find_unmounted (disks);
 274         BOOST_REQUIRE_EQUAL (writeable.size(), 1U);
 275         BOOST_CHECK_EQUAL (writeable[0].device(), "/dev/disk0");
 276 }
 277