[PATCH 09/10] tests: test FAT and HFS file system resizing

[Jim Meyering]

From: Jim Meyering <address@hidden>

* tests/t3000-resize-fs.sh: New test.
* tests/Makefile.am (TESTS): Add it.
(check_PROGRAMS): Add fs-resize.
(fs_resize_LDADD): Define, so it links with both libraries.
---
 tests/Makefile.am        |    7 +++-
 tests/t3000-resize-fs.sh |  112 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 118 insertions(+), 1 deletions(-)
 create mode 100755 tests/t3000-resize-fs.sh

diff --git a/tests/Makefile.am b/tests/Makefile.am
index a7a1633..58d84b8 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -40,6 +40,7 @@ TESTS = \
   t2310-dos-extended-2-sector-min-offset.sh \
   t2400-dos-hfs-partition-type.sh \
   t2500-probe-corrupt-hfs.sh \
+  t3000-resize-fs.sh \
   t3200-type-change.sh \
   t3300-palo-prep.sh \
   t3310-flags.sh \
@@ -73,7 +74,11 @@ EXTRA_DIST = \
   $(TESTS) lvm-utils.sh t-local.sh t-lvm.sh \
   init.cfg init.sh t-lib-helpers.sh gpt-header-munge

-check_PROGRAMS = print-align print-max dup-clobber duplicate
+check_PROGRAMS = print-align print-max dup-clobber duplicate fs-resize
+fs_resize_LDADD = \
+  $(top_builddir)/libparted/fs/libparted-fs-resize.la \
+  $(top_builddir)/libparted/libparted.la
+
 LDADD = \
   $(top_builddir)/libparted/libparted.la
 AM_CPPFLAGS = \
diff --git a/tests/t3000-resize-fs.sh b/tests/t3000-resize-fs.sh
new file mode 100755
index 0000000..4a3c8a3
--- /dev/null
+++ b/tests/t3000-resize-fs.sh
@@ -0,0 +1,112 @@
+#!/bin/sh
+# exercise the resize library; FAT and HFS+ only
+
+# Copyright (C) 2009-2012 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../parted .
+require_hfs_
+
+require_root_
+require_scsi_debug_module_
+require_512_byte_sector_size_
+
+ss=$sector_size_
+
+start=63s
+default_end=546147s
+    new_end=530144s
+
+# create memory-backed device
+scsi_debug_setup_ dev_size_mb=550 > dev-name ||
+  skip_test_ 'failed to create scsi_debug device'
+dev=$(cat dev-name)
+
+fail=0
+
+parted -s $dev mklabel gpt > out 2>&1 || fail=1
+# expect no output
+compare /dev/null out || fail=1
+
+# ensure that the disk is large enough
+dev_n_sectors=$(parted -s $dev u s p|sed -n '2s/.* \([0-9]*\)s$/\1/p')
+device_sectors_required=$(echo $default_end | sed 's/s$//')
+# Ensure that $dev is large enough for this test
+test $device_sectors_required -le $dev_n_sectors || fail=1
+
+for fs_type in hfs+ fat32; do
+
+  # create an empty $fs_type partition, cylinder aligned, size > 256 MB
+  parted -a min -s $dev mkpart p1 $start $default_end > out 2>&1 || fail=1
+  compare /dev/null out || fail=1
+
+  # print partition table
+  parted -m -s $dev u s p > out 2>&1 || fail=1
+
+  # wait for new partition device to appear
+  wait_for_dev_to_appear_ ${dev}1
+
+  case $fs_type in
+    fat32) mkfs_cmd='mkfs.vfat -F 32'; fsck='fsck.vfat -v';;
+    hfs*) mkfs_cmd='mkfs.hfs';         fsck=fsck.hfs;;
+    *) error "internal error: unhandled fs type: $fs_type";;
+  esac
+
+  # create the file system
+  $mkfs_cmd ${dev}1 || fail=1
+
+  # NOTE: shrinking is the only type of resizing that works.
+  # resize that file system to be one cylinder (8MiB) smaller
+  fs-resize ${dev}1 0 $new_end > out 2>&1 || fail=1
+  # expect no output
+  compare /dev/null out || fail=1
+
+  # This is known to segfault with fsck.hfs from
+  # Fedora 16's hfsplus-tools-332.14-12.fc15.x86_64.
+  # You can build a working version from
+  # git://cavan.codon.org.uk/hfsplus-tools.git
+  # FIXME: check the version somehow and skip if it's not known to work.
+  $fsck ${dev}1 > out || fail=1
+  cat out
+  # Oops.  Currently, fsck.hfs reports this:
+  # Executing fsck_hfs (version 540.1-Linux).
+  # ** Checking non-journaled HFS Plus Volume.
+  #    The volume name is untitled
+  # ** Checking extents overflow file.
+  # ** Checking catalog file.
+  # ** Checking multi-linked files.
+  # ** Checking catalog hierarchy.
+  # ** Checking volume bitmap.
+  #    Volume bitmap needs minor repair for orphaned blocks
+  # ** Checking volume information.
+  #    Invalid volume free block count
+  #    (It should be 67189 instead of 65197)
+  #    Volume header needs minor repair
+  # (2, 0)
+  # FIXME: This means the HFS resizing code is wrong.
+
+  # FIXME: parse "out" for FS size and verify that it's the new, smaller size
+
+  # Remove the partition explicitly, so that mklabel doesn't evoke a warning.
+  parted -s $dev rm 1 || fail=1
+
+  # Create a clean partition table for the next iteration.
+  parted -s $dev mklabel gpt > out 2>&1 || fail=1
+  # expect no output
+  compare /dev/null out || fail=1
+
+done
+
+Exit $fail
-- 
1.7.9.112.gb85f2