#!/bin/bash
#
# test parsing of various resize arguments

source "$TOP/tests/common"

check_prereq mkfs.btrfs
check_prereq btrfs

setup_root_helper
prepare_test_dev 2g

run_check "$TOP/mkfs.btrfs" -f "$TEST_DEV"
run_check_mount_test_dev

# missing the one of the required arguments
for sep in '' '--'; do
	run_check_stdout "$TOP/btrfs" filesystem resize $sep |
		grep -q "btrfs filesystem resize: too few arguments"
	run_check_stdout "$TOP/btrfs" filesystem resize $sep "$TEST_MNT" |
		grep -q "btrfs filesystem resize: too few arguments"
	run_check_stdout "$TOP/btrfs" filesystem resize $sep -128M |
		grep -q "btrfs filesystem resize: too few arguments"
	run_check_stdout "$TOP/btrfs" filesystem resize $sep +128M |
		grep -q "btrfs filesystem resize: too few arguments"
	run_check_stdout "$TOP/btrfs" filesystem resize $sep 512M |
		grep -q "btrfs filesystem resize: too few arguments"
	run_check_stdout "$TOP/btrfs" filesystem resize $sep 1:-128M |
		grep -q "btrfs filesystem resize: too few arguments"
	run_check_stdout "$TOP/btrfs" filesystem resize $sep 1:512M |
		grep -q "btrfs filesystem resize: too few arguments"
	run_check_stdout "$TOP/btrfs" filesystem resize $sep 1:+128M |
		grep -q "btrfs filesystem resize: too few arguments"
done

# valid resize
for sep in '' '--'; do
	run_check $SUDO_HELPER "$TOP/btrfs" filesystem resize $sep -128M "$TEST_MNT"
	run_check $SUDO_HELPER "$TOP/btrfs" filesystem resize $sep +128M "$TEST_MNT"
	run_check $SUDO_HELPER "$TOP/btrfs" filesystem resize $sep 512M "$TEST_MNT"
	run_check $SUDO_HELPER "$TOP/btrfs" filesystem resize $sep 1:-128M "$TEST_MNT"
	run_check $SUDO_HELPER "$TOP/btrfs" filesystem resize $sep 1:512M "$TEST_MNT"
	run_check $SUDO_HELPER "$TOP/btrfs" filesystem resize $sep 1:+128M "$TEST_MNT"
done

run_check_umount_test_dev