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 static
  62 void
  63 make_empty_file(boost::filesystem::path file, off_t size)
  64 {
  65        auto fd = open (file.string().c_str(), O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
  66        BOOST_REQUIRE (fd != -1);
  67        auto const r = posix_fallocate (fd, 0, size);
  68        BOOST_REQUIRE_EQUAL (r, 0);
  69        close (fd);
  70 }
  71
  72
  73 /** Use the writer code to make a disk and partition and copy a file (in a directory)
  74  *  to it, then check that:
  75  *  - the partition has inode size 128
  76  *  - the file and directory have reasonable timestamps
  77  *  - the file can be copied back off the disk
  78  */
  79 BOOST_AUTO_TEST_CASE (disk_writer_test1)
  80 {
  81         using namespace boost::filesystem;
  82         using namespace boost::process;
  83
  84         Cleanup cl;
  85
  86         path disk = "build/test/disk_writer_test1.disk";
  87         path partition = "build/test/disk_writer_test1.partition";
  88
  89         cl.add(disk);
  90         cl.add(partition);
  91
  92         /* lwext4 has a lower limit of correct ext2 partition sizes it can make; 32Mb
  93          * does not work here: fsck gives errors about an incorrect free blocks count.
  94          */
  95         make_random_file(disk, 256 * 1024 * 1024);
  96         make_random_file(partition, 256 * 1024 * 1024);
  97
  98         path dcp = "build/test/disk_writer_test1";
  99         create_directory (dcp);
 100         /* Some arbitrary file size here */
 101         make_random_file (dcp / "foo", 1024 * 1024 * 32 - 6128);
 102
 103         dcpomatic::write (dcp, disk.string(), partition.string(), nullptr);
 104
 105         BOOST_CHECK_EQUAL (system("/sbin/e2fsck -fn build/test/disk_writer_test1.partition"), 0);
 106
 107         {
 108                 boost::asio::io_service ios;
 109                 future<string> data;
 110                 child ch ("/sbin/tune2fs", args({"-l", partition.string()}), std_in.close(), std_out > data, ios);
 111                 ios.run();
 112
 113                 string output = data.get();
 114                 std::smatch matches;
 115                 std::regex reg("Inode size:\\s*(.*)");
 116                 BOOST_REQUIRE (std::regex_search(output, matches, reg));
 117                 BOOST_REQUIRE (matches.size() == 2);
 118                 BOOST_CHECK_EQUAL (matches[1].str(), "128");
 119         }
 120
 121         BOOST_CHECK (ext2_ls({partition.string()}) == vector<string>({"disk_writer_test1", "lost+found"}));
 122
 123         string const unset_date = "1-Jan-1970";
 124
 125         /* Check timestamp of the directory has been set */
 126         auto details = ext2_ls({"-l", partition.string()});
 127         BOOST_REQUIRE (details.size() >= 6);
 128         BOOST_CHECK (details[5] != unset_date);
 129
 130         auto const dir = partition.string() + ":disk_writer_test1";
 131         BOOST_CHECK (ext2_ls({dir}) == vector<string>({"foo"}));
 132
 133         /* Check timestamp of foo */
 134         details = ext2_ls({"-l", dir});
 135         BOOST_REQUIRE (details.size() >= 6);
 136         BOOST_CHECK (details[5] != unset_date);
 137
 138         system ("e2cp " + partition.string() + ":disk_writer_test1/foo build/test/disk_writer_test1_foo_back");
 139         check_file ("build/test/disk_writer_test1/foo", "build/test/disk_writer_test1_foo_back");
 140
 141         cl.run();
 142 }
 143
 144
 145 BOOST_AUTO_TEST_CASE (disk_writer_test2)
 146 {
 147         using namespace boost::filesystem;
 148         using namespace boost::process;
 149
 150         remove_all("build/test/disk_writer_test2.disk");
 151         remove_all("build/test/disk_writer_test2.partition");
 152         remove_all("build/test/disk_writer_test2");
 153
 154         Cleanup cl;
 155
 156         path const disk = "build/test/disk_writer_test2.disk";
 157         path const partition = "build/test/disk_writer_test2.partition";
 158
 159         cl.add(disk);
 160         cl.add(partition);
 161
 162         /* Using empty files here still triggers the bug and is much quicker than using random data */
 163         make_empty_file(disk,      31043616768LL);
 164         make_empty_file(partition, 31043571712LL);
 165
 166         auto const dcp = TestPaths::private_data() / "xm";
 167         dcpomatic::write(dcp, disk.string(), partition.string(), nullptr);
 168
 169         BOOST_CHECK_EQUAL(system("/sbin/e2fsck -fn build/test/disk_writer_test2.partition"), 0);
 170
 171         path const check = "build/test/disk_writer_test2";
 172         create_directory(check);
 173         cl.add(check);
 174
 175         for (auto original: directory_iterator(dcp)) {
 176                 auto path_in_copy = path("xm") / original.path().filename();
 177                 auto path_in_check = check / original.path().filename();
 178                 system("e2cp " + partition.string() + ":" + path_in_copy.string() + " " + path_in_check.string());
 179                 check_file(original.path(), path_in_check);
 180         }
 181
 182         cl.run();
 183 }
 184
 185
 186 BOOST_AUTO_TEST_CASE (osx_drive_identification_test)
 187 {
 188         vector<OSXDisk> disks;
 189
 190         auto disk = [&disks](string mount_point, string media_path, bool whole, std::vector<boost::filesystem::path> mount_points)
 191         {
 192                 auto mp = analyse_osx_media_path (media_path);
 193                 if (mp) {
 194                         disks.push_back({mount_point, {}, {}, *mp, whole, mount_points, 0});
 195                 }
 196         };
 197
 198         auto find_unmounted = [](vector<OSXDisk> disks) {
 199                 auto drives = osx_disks_to_drives (disks);
 200                 vector<Drive> unmounted;
 201                 std::copy_if (drives.begin(), drives.end(), std::back_inserter(unmounted), [](Drive const& drive) { return !drive.mounted(); });
 202                 return unmounted;
 203         };
 204
 205         disk("/dev/disk4s1", "IODeviceTree:/arm-io@10F00000/apcie@90000000/pci-bridge1@1/pcie-xhci@0/@7:1", false, {});
 206         disk("/dev/disk4", "IODeviceTree:/arm-io@10F00000/apcie@90000000/pci-bridge1@1/pcie-xhci@0/@7:0", true, {});
 207         disk("/dev/disk0", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:0", true, {});
 208         disk("/dev/disk0s1", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:1", false, {});
 209         disk("/dev/disk0s2", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:2", false, {});
 210         disk("/dev/disk0s3", "IODeviceTree:/arm-io@10F00000/ans@77400000/iop-ans-nub/AppleANS3NVMeController/@1:3", false, {});
 211         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, {});
 212         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, {});
 213         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, {});
 214         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, {});
 215         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, {});
 216         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, {});
 217         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, {});
 218         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, {});
 219         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, {});
 220         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, {});
 221         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"});
 222         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"});
 223         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"});
 224         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, {});
 225         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"});
 226         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, {"/"});
 227
 228         vector<Drive> writeable = find_unmounted (disks);
 229         BOOST_REQUIRE_EQUAL (writeable.size(), 1U);
 230         BOOST_CHECK_EQUAL (writeable[0].device(), "/dev/disk4");
 231
 232         disks.clear ();
 233         disk("/dev/disk4s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 234         disk("/dev/disk4", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 235         disk("/dev/disk3s1", "IODeviceTree:/PCI0@0/XHC1@14/@2:1", false, {});
 236         disk("/dev/disk3", "IODeviceTree:/PCI0@0/XHC1@14/@2:0", true, {});
 237         disk("/dev/disk0", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:0", true, {});
 238         disk("/dev/disk0s1", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:1", false, {});
 239         disk("/dev/disk0s2", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:2", false, {"/Volumes/Macintosh HD"});
 240         disk("/dev/disk0s3", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:3", false, {});
 241         disk("/dev/disk0s4", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:4", false, {});
 242         disk("/dev/disk0s5", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:5", false, {"/Volumes/High Sierra"});
 243         disk("/dev/disk0s6", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:6", false, {});
 244         disk("/dev/disk0s7", "IODeviceTree:/PCI0@0/SATA@1F,2/PRT1@1/PMP@0/@0:7", false, {"/Volumes/Recovery HD"});
 245         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, {});
 246         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, {});
 247         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"});
 248         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, {});
 249         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, {});
 250         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, {});
 251         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"});
 252         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, {});
 253         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, {});
 254         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, {});
 255         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"});
 256         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, {"/"});
 257
 258         writeable = find_unmounted (disks);
 259         BOOST_REQUIRE_EQUAL (writeable.size(), 1U);
 260         BOOST_CHECK_EQUAL (writeable[0].device(), "/dev/disk3");
 261
 262         disks.clear ();
 263         disk("/dev/disk7", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@3/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 264         disk("/dev/disk7s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@3/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 265         disk("/dev/disk6s1", "MediaPathKey is IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@2/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 266         disk("/dev/disk6", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@2/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 267         disk("/dev/disk5s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@1/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 268         disk("/dev/disk5", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@1/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 269         disk("/dev/disk4s1", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media/IOGUIDPartitionScheme/disk image@1", false, {});
 270         disk("/dev/disk4", "IOService:/IOResources/IOHDIXController/IOHDIXHDDriveOutKernel@0/IODiskImageBlockStorageDeviceOutKernel/IOBlockStorageDriver/Apple UDIF read-only compressed (zlib) Media", true, {});
 271         disk("/dev/disk0", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT3@3/PMP@0/@0:0", true, {});
 272         disk("/dev/disk2", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT1@1/PMP@0/@0:0", true, {});
 273         disk("/dev/disk1", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT0@0/PMP@0/@0:0", true, {});
 274         disk("/dev/disk1s1", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT0@0/PMP@0/@0:1", false, {"/Volumes/EFI"});
 275         disk("/dev/disk2s1", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT1@1/PMP@0/@0:1", false, {});
 276         disk("/dev/disk2s2", "IODeviceTree:/PCI0@1e0000/pci8086,2829@1F,2/PRT1@1/PMP@0/@0:2", false, {});
 277         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, {});
 278         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"});
 279         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"});
 280         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, {});
 281         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"});
 282         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, {});
 283         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"});
 284         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, {"/"});
 285
 286         writeable = find_unmounted (disks);
 287         BOOST_REQUIRE_EQUAL (writeable.size(), 1U);
 288         BOOST_CHECK_EQUAL (writeable[0].device(), "/dev/disk0");
 289 }
 290