3 files changed, 120 insertions, 0 deletions
diff --git a/tests/f_opt_extent/expect b/tests/f_opt_extent/expect
new file mode 100644
index 0000000..9d2021e
--- /dev/null
+++ b/tests/f_opt_extent/expect
@@ -0,0 +1,55 @@
+tune2fs metadata_csum test
+Creating filesystem with 524288 1k blocks and 65536 inodes
+Superblock backups stored on blocks: 
+	8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
+
+Allocating group tables:      done                            
+Writing inode tables:      done                            
+Creating journal (16384 blocks): done
+Creating 477 huge file(s) with 1024 blocks each: done
+Writing superblocks and filesystem accounting information:      done
+
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+
+Exit status is 0
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 3A: Optimizing directories
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+
+
+
+Change in FS metadata:
+@@ -11,7 +11,7 @@
+ Block count:              524288
+ Reserved block count:     26214
+ Overhead clusters:        35246
+-Free blocks:              570
++Free blocks:              567
+ Free inodes:              65047
+ First block:              1
+ Block size:               1024
+@@ -50,8 +50,8 @@
+   Block bitmap at 262 (+261)
+   Inode bitmap at 278 (+277)
+   Inode table at 294-549 (+293)
+-  21 free blocks, 535 free inodes, 3 directories, 535 unused inodes
+-  Free blocks: 4414-4434
++  18 free blocks, 535 free inodes, 3 directories, 535 unused inodes
++  Free blocks: 4417-4434
+   Free inodes: 490-1024
+ Group 1: (Blocks 8193-16384) [INODE_UNINIT]
+   Backup superblock at 8193, Group descriptors at 8194-8197
+Pass 1: Checking inodes, blocks, and sizes
+Pass 2: Checking directory structure
+Pass 3: Checking directory connectivity
+Pass 4: Checking reference counts
+Pass 5: Checking group summary information
+
+Exit status is 0
diff --git a/tests/f_opt_extent/name b/tests/f_opt_extent/name
new file mode 100644
index 0000000..7d4389c
--- /dev/null
+++ b/tests/f_opt_extent/name
@@ -0,0 +1 @@
+optimize extent tree
diff --git a/tests/f_opt_extent/script b/tests/f_opt_extent/script
new file mode 100644
index 0000000..001c727
--- /dev/null
+++ b/tests/f_opt_extent/script
@@ -0,0 +1,64 @@
+FSCK_OPT=-fn
+OUT=$test_name.log
+EXP=$test_dir/expect
+CONF=$TMPFILE.conf
+
+cat > $CONF << ENDL
+[fs_types]
+	ext4h = {
+		features = has_journal,extent,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize,sparse_super,filetype,dir_index,ext_attr,resize_inode,64bit,metadata_csum
+		blocksize = 1024
+		inode_size = 256
+		make_hugefiles = true
+		hugefiles_dir = /xyz
+		hugefiles_slack = 0
+		hugefiles_name = aaaaa
+		hugefiles_digits = 4
+		hugefiles_size = 1M
+		zero_hugefiles = false
+	}
+ENDL
+
+echo "tune2fs metadata_csum test" > $OUT
+
+MKE2FS_CONFIG=$CONF $MKE2FS -F -T ext4h -o Linux $TMPFILE 524288 >> $OUT 2>&1
+rm -f $CONF
+
+# dump and check
+$DUMPE2FS $TMPFILE 2> /dev/null | grep '^Group 0:' -B99 -A20 | sed -f $cmd_dir/filter.sed > $OUT.before
+$FSCK $FSCK_OPT -N test_filesys $TMPFILE >> $OUT 2>&1
+status=$?
+echo Exit status is $status >> $OUT
+
+# check
+$FSCK -fyD -N test_filesys $TMPFILE >> $OUT 2>&1
+
+# dump and check
+$DUMPE2FS $TMPFILE 2> /dev/null | grep '^Group 0:' -B99 -A20 | sed -f $cmd_dir/filter.sed > $OUT.after
+echo "Change in FS metadata:" >> $OUT
+diff -u $OUT.before $OUT.after | tail -n +3 >> $OUT
+$FSCK $FSCK_OPT -N test_filesys $TMPFILE >> $OUT 2>&1
+status=$?
+echo Exit status is $status >> $OUT
+
+rm $TMPFILE $OUT.before $OUT.after
+
+#
+# Do the verification
+#
+
+sed -f $cmd_dir/filter.sed -e 's/test_filesys:.*//g' < $OUT > $OUT.new
+mv $OUT.new $OUT
+
+cmp -s $OUT $EXP
+status=$?
+
+if [ "$status" = 0 ] ; then
+	echo "$test_name: $test_description: ok"
+	touch $test_name.ok
+else
+	echo "$test_name: $test_description: failed"
+	diff $DIFF_OPTS $EXP $OUT > $test_name.failed
+fi
+
+unset IMAGE FSCK_OPT OUT EXP CONF