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btrfs-progs: tests: add misc 014-filesystem-label 

Test various label lengths on a mounted filesystem.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-03-22 19:01:39 +01:00
parent 10d308d5ea
commit d7477bcd0b
1 changed files with 69 additions and 0 deletions
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69
tests/misc-tests/014-filesystem-label/test.sh Executable file
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#!/bin/bash
#
# test label settings
source $TOP/tests/common
check_prereq mkfs.btrfs
check_prereq btrfs
setup_root_helper
run_check truncate -s 2G $IMAGE
run_check $TOP/mkfs.btrfs -L BTRFS-TEST-LABEL -f $IMAGE
run_check $SUDO_HELPER mount $IMAGE $TEST_MNT
run_check $SUDO_HELPER chmod a+rw $TEST_MNT
cd $TEST_MNT
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
# shortest label
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT a
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT ''
longlabel=\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
0123456789\
0123456789\
0123456789\
0123456789\
0123456789\
\
01234
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT "$longlabel"
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
# 256, must fail
run_mustfail "label 256 bytes long succeeded" \
$SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT "$longlabel"5
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
run_mustfail "label 2 * 255 bytes long succeeded" \
$SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT "$longlabel$longlabel"
run_check $SUDO_HELPER $TOP/btrfs filesystem label $TEST_MNT
cd ..
run_check $SUDO_HELPER umount $TEST_MNT