tests: add sfdisk resize tests

Signed-off-by: Karel Zak <kzak@redhat.com>

tests/expected/sfdisk/dos-resize

@@ -0,0 +1,23 @@
+Checking that no-one is using this disk right now ... OK
+
+Disk <removed>: 50 MiB, 52428800 bytes, 102400 sectors
+Units: sectors of 1 * 512 = 512 bytes
+Sector size (logical/physical): 512 bytes / 4096 bytes
+I/O size (minimum/optimal): 4096 bytes / 32768 bytes
+Disklabel type: dos
+Disk identifier: <removed>
+
+Old situation:
+
+Device     Boot Start   End Sectors Size Id Type
+<removed>1  *     2048 22527   20480  10M 82 Linux swap / Solaris
+
+<removed>1: 
+New situation:
+
+Device     Boot Start    End Sectors Size Id Type
+<removed>1  *     2048 102399  100352  49M 82 Linux swap / Solaris
+
+The partition table has been altered.
+Calling ioctl() to re-read partition table.
+Syncing disks.

tests/expected/sfdisk/gpt-resize

@@ -0,0 +1,23 @@
+Checking that no-one is using this disk right now ... OK
+
+Disk <removed>: 50 MiB, 52428800 bytes, 102400 sectors
+Units: sectors of 1 * 512 = 512 bytes
+Sector size (logical/physical): 512 bytes / 4096 bytes
+I/O size (minimum/optimal): 4096 bytes / 32768 bytes
+Disklabel type: gpt
+Disk identifier: <removed>
+
+Old situation:
+
+Device             Start   End Sectors Size Type
+<removed>1   2048 22527   20480  10M Linux swap
+
+<removed>1: 
+New situation:
+
+Device             Start    End Sectors Size Type
+<removed>1   2048 102366  100319  49M Linux swap
+
+The partition table has been altered.
+Calling ioctl() to re-read partition table.
+Syncing disks.

tests/ts/sfdisk/dos

@@ -111,5 +111,19 @@ udevadm settle
 ts_finalize_subtest
 
 
+ts_init_subtest "resize"
+$TS_CMD_WIPEFS -a ${TS_DEVICE} &> /dev/null
+udevadm settle
+$TS_CMD_SFDISK ${TS_DEVICE} > /dev/null 2>&1 <<EOF
+label: dos
+,10M,S,*
+EOF
+udevadm settle
+echo ',+' | $TS_CMD_SFDISK -N1 ${TS_DEVICE} >> $TS_OUTPUT 2>&1
+ts_fdisk_clean $TS_DEVICE
+udevadm settle
+ts_finalize_subtest
+
+
 rmmod scsi_debug
 ts_finalize

tests/ts/sfdisk/gpt

@@ -110,5 +110,19 @@ ts_fdisk_clean $TS_DEVICE
 ts_finalize_subtest
 
 
+ts_init_subtest "resize"
+$TS_CMD_WIPEFS -a ${TS_DEVICE} &> /dev/null
+udevadm settle
+$TS_CMD_SFDISK ${TS_DEVICE} > /dev/null 2>&1 <<EOF
+label: gpt
+,10M,S,*
+EOF
+udevadm settle
+echo ',+' | $TS_CMD_SFDISK -N1 ${TS_DEVICE} >> $TS_OUTPUT 2>&1
+ts_fdisk_clean $TS_DEVICE
+udevadm settle
+ts_finalize_subtest
+
+
 rmmod scsi_debug
 ts_finalize