./shopt.tests: line 2: shopt: -z: invalid option
shopt: usage: shopt [-pqsu] [-o long-option] optname [optname...]
--
shopt -u cdable_vars
shopt -s cdspell
shopt -u checkhash
shopt -u checkwinsize
shopt -s cmdhist
shopt -u compat31
shopt -u dotglob
shopt -u execfail
shopt -s expand_aliases
shopt -u extdebug
shopt -u extglob
shopt -s extquote
shopt -u failglob
shopt -s force_fignore
shopt -u gnu_errfmt
shopt -u histappend
shopt -u histreedit
shopt -u histverify
shopt -s hostcomplete
shopt -u huponexit
shopt -s interactive_comments
shopt -u lithist
shopt -u login_shell
shopt -u mailwarn
shopt -u no_empty_cmd_completion
shopt -u nocaseglob
shopt -u nocasematch
shopt -u nullglob
shopt -s progcomp
shopt -s promptvars
shopt -u restricted_shell
shopt -u shift_verbose
shopt -s sourcepath
shopt -u xpg_echo
--
shopt -u huponexit
shopt -u checkwinsize
shopt -s sourcepath
--
shopt -s cdspell
shopt -s cmdhist
shopt -s expand_aliases
shopt -s extquote
shopt -s force_fignore
shopt -s hostcomplete
shopt -s interactive_comments
shopt -s progcomp
shopt -s promptvars
shopt -s sourcepath
--
shopt -u cdable_vars
shopt -u checkhash
shopt -u checkwinsize
shopt -u compat31
shopt -u dotglob
shopt -u execfail
shopt -u extdebug
shopt -u extglob
shopt -u failglob
shopt -u gnu_errfmt
shopt -u histappend
shopt -u histreedit
shopt -u histverify
shopt -u huponexit
shopt -u lithist
shopt -u login_shell
shopt -u mailwarn
shopt -u no_empty_cmd_completion
shopt -u nocaseglob
shopt -u nocasematch
shopt -u nullglob
shopt -u restricted_shell
shopt -u shift_verbose
shopt -u xpg_echo
--
cdable_vars    	off
checkhash      	off
checkwinsize   	off
compat31       	off
dotglob        	off
execfail       	off
extdebug       	off
extglob        	off
failglob       	off
gnu_errfmt     	off
histappend     	off
histreedit     	off
histverify     	off
huponexit      	off
lithist        	off
login_shell    	off
mailwarn       	off
no_empty_cmd_completion	off
nocaseglob     	off
nocasematch    	off
nullglob       	off
restricted_shell	off
shift_verbose  	off
xpg_echo       	off
--
set +o allexport
set -o braceexpand
set -o emacs
set +o errexit
set +o errtrace
set +o functrace
set -o hashall
set -o histexpand
set -o history
set +o ignoreeof
set -o interactive-comments
set +o keyword
set -o monitor
set +o noclobber
set +o noexec
set +o noglob
set +o nolog
set +o notify
set +o nounset
set +o onecmd
set +o physical
set +o pipefail
set +o posix
set -o privileged
set +o verbose
set +o vi
set +o xtrace
--
allexport      	off
braceexpand    	on
emacs          	on
errexit        	off
errtrace       	off
functrace      	off
hashall        	on
histexpand     	on
history        	on
ignoreeof      	off
interactive-comments	on
keyword        	off
monitor        	on
noclobber      	off
noexec         	off
noglob         	off
nolog          	off
notify         	off
nounset        	off
onecmd         	off
physical       	off
pipefail       	off
posix          	off
privileged     	on
verbose        	off
vi             	off
xtrace         	off
--
set +o allexport
set -o braceexpand
set -o emacs
set +o errexit
set +o errtrace
set +o functrace
set -o hashall
set -o histexpand
set -o history
set +o ignoreeof
set -o interactive-comments
set +o keyword
set -o monitor
set +o noclobber
set +o noexec
set +o noglob
set +o nolog
set +o notify
set +o nounset
set +o onecmd
set +o physical
set +o pipefail
set +o posix
set -o privileged
set +o verbose
set +o vi
set +o xtrace
--
set -o history
set +o verbose
--
set -o braceexpand
set -o emacs
set -o hashall
set -o histexpand
set -o history
set -o interactive-comments
set -o monitor
set -o privileged
--
set +o allexport
set +o errexit
set +o errtrace
set +o functrace
set +o ignoreeof
set +o keyword
set +o noclobber
set +o noexec
set +o noglob
set +o nolog
set +o notify
set +o nounset
set +o onecmd
set +o physical
set +o pipefail
set +o posix
set +o verbose
set +o vi
set +o xtrace
--
allexport      	off
errexit        	off
errtrace       	off
functrace      	off
ignoreeof      	off
keyword        	off
noclobber      	off
noexec         	off
noglob         	off
nolog          	off
notify         	off
nounset        	off
onecmd         	off
physical       	off
pipefail       	off
posix          	off
verbose        	off
vi             	off
xtrace         	off
--
./shopt.tests: line 93: shopt: xyz1: invalid shell option name
./shopt.tests: line 94: shopt: xyz1: invalid option name