diff --git a/microdroid/tests/Android.bp b/microdroid/tests/Android.bp
new file mode 100644
index 0000000..c939fef
--- /dev/null
+++ b/microdroid/tests/Android.bp
@@ -0,0 +1,35 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+genrule {
+    name: "microdroid_contents_built",
+    tools: [
+        "list_image",
+        "debugfs_static",
+    ],
+    srcs: [":microdroid"],
+    out: ["microdroid_contents_built.txt"],
+    cmd: "$(location list_image) --debugfs_path $(location debugfs_static) $(location :microdroid) > $(out)",
+}
+
+genrule {
+    name: "diff_microdroid_contents",
+    srcs: [
+        "microdroid_contents_golden.txt",
+        ":microdroid_contents_built",
+    ],
+    out: ["true.sh"],
+    cmd: "if diff $(location microdroid_contents_golden.txt) $(location :microdroid_contents_built); then" +
+        "  echo true > $(out);" +
+        "else" +
+        "  echo To fix and update $(location microdroid_contents_golden.txt), please run:;" +
+        "  echo \" croot && m $(location :microdroid_contents_built) && cp $(location :microdroid_contents_built) $(location microdroid_contents_golden.txt)\";" +
+        "  exit 1;" +
+        "fi;",
+}
+
+sh_test_host {
+    name: "test_diff_microdroid_contents",
+    src: ":diff_microdroid_contents",
+}
diff --git a/microdroid/tests/microdroid_contents_golden.txt b/microdroid/tests/microdroid_contents_golden.txt
new file mode 100644
index 0000000..e6dbefe
--- /dev/null
+++ b/microdroid/tests/microdroid_contents_golden.txt
@@ -0,0 +1,355 @@
+./
+./apex/
+./bin
+./d
+./data/
+./debug_ramdisk/
+./dev/
+./etc
+./linkerconfig/
+./lost+found/
+./mnt/
+./proc/
+./second_stage_resources/
+./sys/
+./system/
+./system/apex/
+./system/apex/com.android.runtime.apex
+./system/bin/
+./system/bin/[
+./system/bin/acpi
+./system/bin/apexd
+./system/bin/apkdmverity
+./system/bin/atrace
+./system/bin/authfs
+./system/bin/authfs_service
+./system/bin/base64
+./system/bin/basename
+./system/bin/blockdev
+./system/bin/bootstrap/
+./system/bin/bootstrap/linker64
+./system/bin/bootstrap/linker_asan64
+./system/bin/bootstrap/linkerconfig
+./system/bin/cal
+./system/bin/cat
+./system/bin/chattr
+./system/bin/chcon
+./system/bin/chgrp
+./system/bin/chmod
+./system/bin/chown
+./system/bin/chroot
+./system/bin/chrt
+./system/bin/cksum
+./system/bin/clear
+./system/bin/cmp
+./system/bin/comm
+./system/bin/cp
+./system/bin/cpio
+./system/bin/cut
+./system/bin/date
+./system/bin/dd
+./system/bin/debuggerd
+./system/bin/devmem
+./system/bin/df
+./system/bin/diced.microdroid
+./system/bin/diff
+./system/bin/dirname
+./system/bin/dmesg
+./system/bin/dos2unix
+./system/bin/du
+./system/bin/echo
+./system/bin/egrep
+./system/bin/env
+./system/bin/expand
+./system/bin/expr
+./system/bin/fallocate
+./system/bin/false
+./system/bin/fgrep
+./system/bin/file
+./system/bin/find
+./system/bin/flock
+./system/bin/fmt
+./system/bin/free
+./system/bin/fsync
+./system/bin/getconf
+./system/bin/getenforce
+./system/bin/getevent
+./system/bin/getprop
+./system/bin/grep
+./system/bin/groups
+./system/bin/gunzip
+./system/bin/gzip
+./system/bin/head
+./system/bin/hostname
+./system/bin/hwclock
+./system/bin/i2cdetect
+./system/bin/i2cdump
+./system/bin/i2cget
+./system/bin/i2cset
+./system/bin/iconv
+./system/bin/id
+./system/bin/ifconfig
+./system/bin/init
+./system/bin/inotifyd
+./system/bin/insmod
+./system/bin/install
+./system/bin/ionice
+./system/bin/iorenice
+./system/bin/kill
+./system/bin/killall
+./system/bin/linker64
+./system/bin/linker_asan64
+./system/bin/linkerconfig
+./system/bin/ln
+./system/bin/load_policy
+./system/bin/log
+./system/bin/logcat
+./system/bin/logd
+./system/bin/logname
+./system/bin/losetup
+./system/bin/ls
+./system/bin/lsattr
+./system/bin/lsmod
+./system/bin/lsof
+./system/bin/lspci
+./system/bin/lsusb
+./system/bin/md5sum
+./system/bin/microcom
+./system/bin/microdroid_launcher
+./system/bin/microdroid_manager
+./system/bin/mkdir
+./system/bin/mkfifo
+./system/bin/mknod
+./system/bin/mkswap
+./system/bin/mktemp
+./system/bin/modinfo
+./system/bin/modprobe
+./system/bin/more
+./system/bin/mount
+./system/bin/mountpoint
+./system/bin/mv
+./system/bin/nc
+./system/bin/netcat
+./system/bin/netstat
+./system/bin/nice
+./system/bin/nl
+./system/bin/nohup
+./system/bin/nproc
+./system/bin/nsenter
+./system/bin/od
+./system/bin/paste
+./system/bin/patch
+./system/bin/pgrep
+./system/bin/pidof
+./system/bin/pkill
+./system/bin/pmap
+./system/bin/printenv
+./system/bin/printf
+./system/bin/ps
+./system/bin/pwd
+./system/bin/readelf
+./system/bin/readlink
+./system/bin/realpath
+./system/bin/reboot
+./system/bin/renice
+./system/bin/restorecon
+./system/bin/rm
+./system/bin/rmdir
+./system/bin/rmmod
+./system/bin/rtcwake
+./system/bin/runcon
+./system/bin/secilc
+./system/bin/sed
+./system/bin/sendevent
+./system/bin/seq
+./system/bin/servicemanager.microdroid
+./system/bin/setenforce
+./system/bin/setprop
+./system/bin/setsid
+./system/bin/sh
+./system/bin/sha1sum
+./system/bin/sha224sum
+./system/bin/sha256sum
+./system/bin/sha384sum
+./system/bin/sha512sum
+./system/bin/sleep
+./system/bin/sort
+./system/bin/split
+./system/bin/start
+./system/bin/stat
+./system/bin/stop
+./system/bin/strace
+./system/bin/strings
+./system/bin/stty
+./system/bin/swapoff
+./system/bin/swapon
+./system/bin/sync
+./system/bin/sysctl
+./system/bin/tac
+./system/bin/tail
+./system/bin/tar
+./system/bin/taskset
+./system/bin/tee
+./system/bin/test
+./system/bin/time
+./system/bin/timeout
+./system/bin/tombstoned
+./system/bin/toolbox
+./system/bin/top
+./system/bin/touch
+./system/bin/toybox
+./system/bin/tr
+./system/bin/true
+./system/bin/truncate
+./system/bin/tty
+./system/bin/uclampset
+./system/bin/ueventd
+./system/bin/ulimit
+./system/bin/umount
+./system/bin/uname
+./system/bin/uniq
+./system/bin/unix2dos
+./system/bin/unlink
+./system/bin/unshare
+./system/bin/uptime
+./system/bin/usleep
+./system/bin/uudecode
+./system/bin/uuencode
+./system/bin/uuidgen
+./system/bin/vmstat
+./system/bin/watch
+./system/bin/wc
+./system/bin/which
+./system/bin/whoami
+./system/bin/xargs
+./system/bin/xxd
+./system/bin/yes
+./system/bin/zcat
+./system/bin/zipfuse
+./system/build.prop
+./system/com.android.runtime/
+./system/com.android.runtime/apex_manifest.pb
+./system/com.android.runtime/apex_pubkey
+./system/com.android.runtime/bin/
+./system/com.android.runtime/bin/crash_dump32
+./system/com.android.runtime/bin/crash_dump64
+./system/com.android.runtime/bin/linker
+./system/com.android.runtime/bin/linker64
+./system/com.android.runtime/bin/linker_asan
+./system/com.android.runtime/bin/linker_asan64
+./system/com.android.runtime/bin/linkerconfig
+./system/com.android.runtime/etc/
+./system/com.android.runtime/etc/linker.config.pb
+./system/com.android.runtime/lib/
+./system/com.android.runtime/lib/bionic/
+./system/com.android.runtime/lib/bionic/libc.so
+./system/com.android.runtime/lib/bionic/libdl.so
+./system/com.android.runtime/lib/bionic/libdl_android.so
+./system/com.android.runtime/lib/bionic/libm.so
+./system/com.android.runtime/lib/libc_malloc_debug.so
+./system/com.android.runtime/lib/libc_malloc_hooks.so
+./system/com.android.runtime/lib64/
+./system/com.android.runtime/lib64/bionic/
+./system/com.android.runtime/lib64/bionic/libc.so
+./system/com.android.runtime/lib64/bionic/libdl.so
+./system/com.android.runtime/lib64/bionic/libdl_android.so
+./system/com.android.runtime/lib64/bionic/libm.so
+./system/com.android.runtime/lib64/libc_malloc_debug.so
+./system/com.android.runtime/lib64/libc_malloc_hooks.so
+./system/etc/
+./system/etc/cgroups.json
+./system/etc/event-log-tags
+./system/etc/init/
+./system/etc/init/apexd.rc
+./system/etc/init/atrace.rc
+./system/etc/init/atrace_userdebug.rc
+./system/etc/init/authfs_service.rc
+./system/etc/init/diced.microdroid.rc
+./system/etc/init/hw/
+./system/etc/init/hw/init.rc
+./system/etc/init/logd.rc
+./system/etc/init/microdroid_manager.rc
+./system/etc/init/servicemanager.microdroid.rc
+./system/etc/init/tombstoned.rc
+./system/etc/linker.config.pb
+./system/etc/public.libraries.txt
+./system/etc/selinux/
+./system/etc/selinux/mapping/
+./system/etc/selinux/mapping/10000.0.cil
+./system/etc/selinux/plat_file_contexts
+./system/etc/selinux/plat_property_contexts
+./system/etc/selinux/plat_sepolicy.cil
+./system/etc/selinux/plat_sepolicy_and_mapping.sha256
+./system/etc/selinux/plat_service_contexts
+./system/etc/ueventd.rc
+./system/etc/vintf/
+./system/etc/vintf/compatibility_matrix.current.xml
+./system/etc/vintf/manifest.xml
+./system/lib64/
+./system/lib64/android.hardware.atrace@1.0.so
+./system/lib64/android.hardware.security.secureclock-V1-ndk.so
+./system/lib64/android.hardware.security.sharedsecret-V1-ndk.so
+./system/lib64/apex_aidl_interface-cpp.so
+./system/lib64/bootstrap/
+./system/lib64/bootstrap/libc.so
+./system/lib64/bootstrap/libdl.so
+./system/lib64/bootstrap/libdl_android.so
+./system/lib64/bootstrap/libm.so
+./system/lib64/heapprofd_client_api.so
+./system/lib64/ld-android.so
+./system/lib64/libadbd_auth.so
+./system/lib64/libadbd_fs.so
+./system/lib64/libandroid_runtime_lazy.so
+./system/lib64/libartpalette-system.so
+./system/lib64/libbacktrace.so
+./system/lib64/libbase.so
+./system/lib64/libbinder.so
+./system/lib64/libbinder_ndk.so
+./system/lib64/libbinder_rpc_unstable.so
+./system/lib64/libbootloader_message.so
+./system/lib64/libc++.so
+./system/lib64/libc.so
+./system/lib64/libcap.so
+./system/lib64/libcgrouprc.so
+./system/lib64/libcrypto.so
+./system/lib64/libcrypto_utils.so
+./system/lib64/libcutils.so
+./system/lib64/libdebuggerd_client.so
+./system/lib64/libdl.so
+./system/lib64/libdl_android.so
+./system/lib64/libext2_uuid.so
+./system/lib64/libext4_utils.so
+./system/lib64/libfec.so
+./system/lib64/libfs_mgr.so
+./system/lib64/libgsi.so
+./system/lib64/libhidl-gen-utils.so
+./system/lib64/libhidlbase.so
+./system/lib64/libjsoncpp.so
+./system/lib64/libkeystore2_crypto.so
+./system/lib64/libkeyutils.so
+./system/lib64/liblog.so
+./system/lib64/liblogwrap.so
+./system/lib64/liblp.so
+./system/lib64/liblzma.so
+./system/lib64/libm.so
+./system/lib64/libpackagelistparser.so
+./system/lib64/libpcre2.so
+./system/lib64/libpdx_default_transport.so
+./system/lib64/libprocessgroup.so
+./system/lib64/libprocessgroup_setup.so
+./system/lib64/libprocinfo.so
+./system/lib64/libprotobuf-cpp-full.so
+./system/lib64/libselinux.so
+./system/lib64/libsparse.so
+./system/lib64/libsquashfs_utils.so
+./system/lib64/libstdc++.so
+./system/lib64/libsysutils.so
+./system/lib64/libtinyxml2.so
+./system/lib64/libtombstoned_client.so
+./system/lib64/libunwindstack.so
+./system/lib64/libutils.so
+./system/lib64/libvintf.so
+./system/lib64/libvndksupport.so
+./system/lib64/libz.so
+./system/lib64/libziparchive.so
+./vendor/