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btrfs-progs: tests: check there are no unprintable characters in btrfs-image -ss output

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Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-09-25 15:09:21 +02:00
parent 15beadeaa2
commit 5faec98439
1 changed files with 30 additions and 0 deletions
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30
tests/misc-tests/026-image-non-printable-chars/test.sh Executable file
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#!/bin/bash
# check that sanitized names with matching crc do not contain unprintable
# characters, namely 0x7f
source "$TOP/tests/common"
check_prereq mkfs.btrfs
check_prereq btrfs
prepare_test_dev
run_check "$TOP/mkfs.btrfs" -f "$TEST_DEV"
run_check_mount_test_dev
run_check $SUDO_HELPER chmod a+rw "$TEST_MNT"
# known to produce char 0x7f == 127
touch "$TEST_MNT/|5gp!"
run_check_umount_test_dev
run_check $SUDO_HELPER "$TOP/btrfs-image" -ss "$TEST_DEV" img
run_check $SUDO_HELPER "$TOP/btrfs-image" -r img img.restored
run_check_stdout $SUDO_HELPER "$TOP/btrfs" inspect-internal dump-tree img.restored > img.dump
ch7f=$(echo -en '\x7f')
if grep -q "$ch7f" img.dump; then
_fail "found char 0x7f in the sanitized names"
fi
rm -f -- img img.restored img.dump