OIFS="$IFS"
foo='   ,foo'
set -- "$foo"

if [[ $foo = ,* ]]; then echo bad 1; else echo ok 1; fi
if [[ $@ = ,* ]]; then echo bad 2; else echo ok 2; fi
if [[ $* = ,* ]]; then echo bad 3; else echo ok 3; fi
if [[ ${@} = ,* ]]; then echo bad 4; else echo ok 4; fi
if [[ ${*} = ,* ]]; then echo bad 5; else echo ok 5; fi
if [[ $1 = ,* ]]; then echo bad 6; else echo ok 6; fi

set -- '   ,foo'
if [[ $foo = ,* ]]; then echo bad 7; else echo ok 7; fi
if [[ $@ = ,* ]]; then echo bad 8; else echo ok 8; fi
if [[ $* = ,* ]]; then echo bad 9; else echo ok 9; fi
if [[ ${@} = ,* ]]; then echo bad 10; else echo ok 10; fi
if [[ ${*} = ,* ]]; then echo bad 11; else echo ok 11; fi
if [[ $1 = ,* ]]; then echo bad 12; else echo ok 12; fi

IFS=
if [[ $@ = ,* ]]; then echo bad 13; else echo ok 13; fi
if [[ $* = ,* ]]; then echo bad 14; else echo ok 14; fi
IFS="$OIFS"

foo='   ,foo'
set -- '   ' ',foo'

if [[ $@ = ,* ]]; then echo bad at 1; else echo ok at 1; fi
if [[ ${@} = ,* ]]; then echo bad at 2; else echo ok at 2; fi

if [[ $* = ,* ]]; then echo bad star 1; else echo ok star 1; fi
if [[ ${*} = ,* ]]; then echo bad star 2; else echo ok star 2; fi

foo='   ,foo'
set -- "$foo"

# expand_string_for_rhs

foo2=$@
echo "$foo2"

foo2=$*
echo "$foo2"

foo2="$@"
echo "$foo2"

foo2="$*"
echo "$foo2"

# expand_word_unsplit
case $@ in
$foo2)	echo ok at 1 ;;
*)	echo bad at 1 ;;
esac

# also uses expand_word_leave_quoted
case $@ in
$@)	echo ok at 2;;
*)	echo bad at 2;;
esac

case $@ in
$foo)	echo ok at 3 ;;
*)	echo bad at 3;;
esac

# expand_word_unsplit
case $* in
$foo2)	echo ok star 1 ;;
*)	echo bad star 1 ;;
esac

# also uses expand_word_leave_quoted
case $* in
$*)	echo ok star 2;;
*)	echo bad star 2;;
esac

case $* in
$foo)	echo ok star 3 ;;
*)	echo bad star 3;;
esac

case $@ in
$*)	echo ok at-star 1;;
*)	echo bad at-star 1;;
esac

case $* in
$@)	echo ok at-star 2;;
*)	echo bad at-star 2;;
esac

foo='a b c'
set -- $foo

# expand_string_for_rhs
IFS='|'
foo2=$@
echo "$foo2"

foo2=$*
echo "$foo2"

foo2="$@"
echo "$foo2"

foo2="$*"
echo "$foo2"

foo="a b c"
set -- $foo

if [[ $@ = $foo ]]; then echo ok at 1; else echo bad at 1; fi
if [[ $foo = $@ ]]; then echo ok at 2; else echo bad at 2; fi

case $@ in
$@)	echo ok at 3 ;;
*)	echo bad at 3 ;;
esac

case $@ in
$foo)	echo ok at 4;;
*)	echo bad at 4;;
esac

case $foo in
$@)	echo ok at 5;;
*)	echo bad at 5;;
esac
IFS="$OIFS"

foo="a b c"
set -- $foo

IFS=:
if [[ $@ = $foo ]]; then echo ok at 1; else echo bad at 1; fi
if [[ $foo = $@ ]]; then echo ok at 2; else echo bad at 2; fi

case $@ in
$@)	echo ok at 3 ;;
*)	echo bad at 3 ;;
esac

case $@ in
$foo)	echo ok at 4;;
*)	echo bad at 4;;
esac

case $foo in
$@)	echo ok at 5;;
*)	echo bad at 5;;
esac
IFS="$OIFS"

foo="a b c"
set -- $foo

IFS='|'
foo2=$@

case $@ in
$@)	echo ok at 1 ;;
*)	echo bad at 1 ;;
esac

case $foo2 in
$foo)	echo ok at 2;;
*)	echo bad at 2;;
esac

case $foo in
$foo2)	echo ok at 3;;
*)	echo bad at 3;;
esac

case $foo in
$foo)	echo ok at 4;;
*)	echo bad at 4;;
esac

case $foo2 in
$foo2)	echo ok at 5;;
*)	echo bad at 5;;
esac

case $foo2 in
$@)	echo ok at 6;;
*)	echo bad at 6;;
esac

case $@ in
$foo2)	echo ok at 7;;
*)	echo bad at 7;;
esac

case $foo in
$@)	echo ok at 8;;
*)	echo bad at 8;;
esac

case $@ in
$foo)	echo ok at 9;;
*)	echo bad at 9;;
esac
IFS="$OIFS"