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232 lines
6.6 KiB
Bash
232 lines
6.6 KiB
Bash
#!/bin/sh
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# Copyright (C) 2012 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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. lib/test
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name_prefix=$RANDOM
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CHARACTER_WHITELIST="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789#+-.:=@_"
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FAIL_MIXED_STR="contains mixed mangled and unmangled characters"
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FAIL_MULTI_STR="seems to be mangled more than once"
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FAIL_BLACK_STR="should be mangled but it contains blacklisted characters"
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CORRECT_FORM_STR="name already in correct form"
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RENAMING_STR="renaming to"
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function create_dm_dev()
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{
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local mode=$1
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local name=$2;
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if [ $mode = "none" ]; then
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# there's no mangling done - we must use --verifyudev here in
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# case we're testing with udev so we have the nodes in place,
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# udev would not create them - it can't handle unmangled names
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verify_udev="--verifyudev"
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else
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verify_udev=""
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fi
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dmsetup create "${name_prefix}$name" $verify_udev --manglename $mode --table "0 1 zero"
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}
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function remove_dm_dev()
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{
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local mode=$1
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local name=$2
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if [ $mode = "none" ]; then
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verify_udev="--verifyudev"
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else
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verify_udev=""
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fi
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dmsetup remove $verify_udev --manglename $mode "${name_prefix}$name"
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}
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function check_create_and_remove()
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{
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local mode=$1
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local input_name=$2
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local dm_name=$3
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local r=0
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if [ $mode = "none" ]; then
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verify_udev="--verifyudev"
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else
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verify_udev=""
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fi
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dmsetup create "${name_prefix}$input_name" $verify_udev --manglename $mode --table "0 1 zero" 2>err && \
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test -b "$DM_DEV_DIR/mapper/${name_prefix}$dm_name" && \
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dmsetup remove "${name_prefix}$input_name" $verify_udev --manglename $mode || r=1
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if [ $dm_name = "FAIL_MIXED" ]; then
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r=0
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grep "$FAILED_MIXED_STR" err || r=1
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elif [ $dm_name = "FAIL_MULTI" ]; then
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r=0
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grep "$FAILED_MULTI_STR" err || r=1
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elif [ $dm_name = "FAIL_BLACK" ]; then
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r=0
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grep "$FAILED_BLACK_STR" err || r=1
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fi
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return $r
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}
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function check_dm_field()
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{
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local mode=$1
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local dm_name="$2"
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local field=$3
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local expected="$4"
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value=$(dmsetup info --rows --noheadings --manglename $mode -c -o $field "${DM_DEV_DIR}/mapper/${name_prefix}$dm_name" 2> err || true)
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if [ "$expected" = "FAIL_MIXED" ]; then
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grep "$FAIL_MIXED_STR" err
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elif [ "$expected" = "FAIL_MULTI" ]; then
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grep "$FAIL_MULTI_STR" err
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elif [ "$expected" = "FAIL_BLACK" ]; then
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grep "$FAIL_BLACK_STR" err
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else
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test "$value" = "${name_prefix}$expected"
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fi
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}
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function check_expected_names()
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{
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local mode=$1
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local dm_name="$2"
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local r=0
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create_dm_dev none "$dm_name"
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test -b "$DM_DEV_DIR/mapper/${name_prefix}$dm_name" && \
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check_dm_field none "$dm_name" name "$dm_name" && \
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check_dm_field $mode "$dm_name" name "$3" && \
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check_dm_field $mode "$dm_name" mangled_name "$4" && \
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check_dm_field $mode "$dm_name" unmangled_name "$5" || r=1
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remove_dm_dev none "$dm_name"
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return $r
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}
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function check_mangle_cmd()
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{
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local mode=$1
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local dm_name="$2"
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local expected="$3"
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local rename_expected=0
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local r=0
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create_dm_dev none "$dm_name"
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dmsetup mangle --manglename $mode "${name_prefix}$dm_name" 1>out 2>err || true;
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if [ "$expected" = "OK" ]; then
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grep "$CORRECT_FORM_STR" out || r=1
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elif [ "$expected" = "FAIL_MIXED" ]; then
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grep "$FAIL_MIXED_STR" err || r=1
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elif [ "$expected" = "FAIL_MULTI" ]; then
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grep "$FAIL_MULTI_STR" err || r=1
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else
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rename_expected=1
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grep -F "$RENAMING_STR ${name_prefix}$expected" out || r=1
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fi
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if [ $r = 0 -a $rename_expected = 1 ]; then
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# successfuly renamed to expected name
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remove_dm_dev none "$expected"
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elif [ $r = 1 ]; then
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# failed to rename to expected or renamed when it should not - find the new name
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new_name=$(sed -e "s/.*: $RENAMING_STR //g" out)
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# try to remove any of the form - falling back to less probable error scenario
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dmsetup remove --verifyudev --manglename none "$new_name" || \
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remove_dm_dev none "$dm_name" || remove_dm_dev none "$expected"
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else
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# successfuly done nothing
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remove_dm_dev none "$dm_name"
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fi
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return $r
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}
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# check dmsetup can process path where the last component is not equal dm name (rhbz #797322)
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r=0
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create_dm_dev auto "abc"
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ln -s "$DM_DEV_DIR/mapper/${name_prefix}abc" "$DM_DEV_DIR/${name_prefix}xyz"
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dmsetup status "$DM_DEV_DIR/${name_prefix}xyz" || r=1
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remove_dm_dev auto "abc"
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if [ r = 1 ]; then
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exit 1
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fi
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### ALL WHITELISTED CHARACTERS ###
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# none of these should be mangled in any mode
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name="$CHARACTER_WHITELIST"
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for mode in auto hex none; do
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check_expected_names $mode "$name" "$name" "$name" "$name"
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check_mangle_cmd $mode "$name" "OK"
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done
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#### NONE MANGLING MODE ###
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check_create_and_remove none 'a b' 'a b'
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check_create_and_remove none 'a\x20b' 'a\x20b'
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check_create_and_remove none 'a b\x20c' 'a b\x20c'
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check_create_and_remove none 'a\x5cx20b' 'a\x5cx20b'
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check_expected_names none 'a b' 'a b' 'a\x20b' 'a b'
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check_expected_names none 'a\x20b' 'a\x20b' 'a\x20b' 'a b'
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check_expected_names none 'a b\x20c' 'a b\x20c' 'FAIL_MIXED' 'a b c'
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check_expected_names none 'a\x5cx20b' 'a\x5cx20b' 'a\x5cx20b' 'a\x20b'
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check_mangle_cmd none 'a b' 'OK'
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check_mangle_cmd none 'a\x20b' 'a b'
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check_mangle_cmd none 'a b\x20c' 'a b c'
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check_mangle_cmd none 'a\x5cx20b' 'a\x20b'
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### AUTO MANGLING MODE ###
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check_create_and_remove auto 'a b' 'a\x20b'
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check_create_and_remove auto 'a\x20b' 'a\x20b'
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check_create_and_remove auto 'a b\x20c' 'FAIL_MIXED'
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check_create_and_remove auto 'a\x5cx20b' 'FAIL_MULTI'
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check_expected_names auto 'a b' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
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check_expected_names auto 'a\x20b' 'a b' 'a\x20b' 'a b'
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check_expected_names auto 'a b\x20c' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
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check_expected_names auto 'a\x5cx20b' 'FAIL_MULTI' 'FAIL_MULTI' 'FAIL_MULTI'
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check_mangle_cmd auto 'a b' 'a\x20b'
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check_mangle_cmd auto 'a\x20b' 'OK'
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check_mangle_cmd auto 'a b\x20c' 'FAIL_MIXED'
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check_mangle_cmd auto 'a\x5cx20b' 'FAIL_MULTI'
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### HEX MANGLING MODE ###
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check_create_and_remove hex 'a b' 'a\x20b'
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check_create_and_remove hex 'a\x20b' 'a\x5cx20b'
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check_create_and_remove hex 'a b\x20c' 'a\x20b\x5cx20c'
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check_create_and_remove hex 'a\x5cx20b' 'a\x5cx5cx20b'
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check_expected_names hex 'a b' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
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check_expected_names hex 'a\x20b' 'a b' 'a\x20b' 'a b'
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check_expected_names hex 'a b\x20c' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
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check_expected_names hex 'a\x5cx20b' 'a\x20b' 'a\x5cx20b' 'a\x20b'
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check_mangle_cmd hex 'a b' 'a\x20b'
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check_mangle_cmd hex 'a\x20b' 'OK'
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check_mangle_cmd hex 'a b\x20c' 'FAIL_MIXED'
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check_mangle_cmd hex 'a\x5cx20b' 'OK'
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