#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Test the substitution quoting characters (CTLESC and CTLNUL) in different
# combinations

recho `echo ''`
recho `echo ""`
recho `echo `

# Test the unquoted special quoting characters
recho 
recho ""
recho ''

# This should give argv[1] = ^A argv[2] = ^?
FOO=`echo ' ' | tr ' ' '\012'`
recho $FOO

# Test patterns that come up when the shell quotes funny character
# combinations
recho ''
recho ''
recho ''

# tests of backslash-escaped CTLESC

recho "${_+\}"
recho ${_+\}
recho "${_+\\}"
recho ${_+\\}
recho "${_+}"
recho ${_+}
recho "${_+}"
recho ${_+}

recho $'\\\1'
recho "\\"

recho "\\"
recho \\

recho $'\c\\\001 \c\\\177'
recho $'\c \c'
