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#   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/>.
#
case foo in
bar)	echo skip ;;
foo)	echo fallthrough ;&
bax)	echo to here ;&
qux)	echo and here;;
fop)	echo but not here;;
esac

case foobar in
bar)	echo skip ;;
foo*)	echo retest ;;&
*bar)	echo and match ;;&
qux)	echo but not this ;;
esac

case a in
a)	echo no more clauses;&
esac

x=0 y=1
case 1 in
  $((y=0)) ) ;;
  $((x=1)) ) ;&
  $((x=2)) ) echo $x.$y ;;
esac

unset x
readonly xx=1
case 1 in $((xx++)) ) echo hi1 ;; *) echo hi2; esac
echo ${xx}.$?

unset var empty

var=
case ']' in
[$var]*[$var])	echo matches 1;;
*)		echo no match 1 ;;
esac

case abc in ( [] ) echo yes ;; ( * ) echo no ;; esac
empty=''
case abc in ( ["$empty"] ) echo yes ;; ( * ) echo no ;; esac

case abc in ( [] | [!a-z]* ) echo yes ;; ( * ) echo no ;; esac
empty=''
case abc in ( ["$empty"] | [!a-z]* ) echo yes ;; ( * ) echo no ;; esac

case abc in (["$empty"]|[!a-z]*) echo yes ;; (*) echo no ;; esac

case " " in ( [" "] ) echo ok;; ( * ) echo no;; esac

# posix issue discovered after bash-5.1 was released
case esac in (esac) echo esac;; esac
case k in else|done|time|esac) for f in 1 2 3 ; do :; done esac

# tests of quote removal and pattern matching
${THIS_SH} ./case1.sub
${THIS_SH} ./case2.sub
${THIS_SH} ./case3.sub
${THIS_SH} ./case4.sub