1 files changed, 238 insertions, 0 deletions
diff --git a/tests/dollar-at-star b/tests/dollar-at-star
new file mode 100755
index 0000000..54e499d
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+++ b/tests/dollar-at-star
@@ -0,0 +1,238 @@
+# first, let's start with the basics
+
+recho "$@"
+recho "$*"
+
+recho $@
+recho $*
+
+set a b
+
+recho "$*"
+
+# If IFS is null, the parameters are joined without separators
+IFS=''
+recho "$*"
+
+# If IFS is unset, the parameters are separated by spaces
+unset IFS
+recho "${*}"
+
+recho "$@"
+recho $@
+
+IFS='/'
+set bob 'tom dick harry' joe
+set $*
+recho $#
+recho $1
+recho $2
+recho $3
+
+set bob 'tom dick harry' joe
+set ${*}
+recho $#
+recho $1
+recho $2
+recho $3
+
+set bob 'tom dick harry' joe
+set $@
+recho $#
+recho $1
+recho $2
+recho $3
+
+set bob 'tom dick harry' joe
+set ${@}
+recho $#
+recho $1
+recho $2
+recho $3
+
+# according to POSIX.2, unquoted $* should expand to multiple words if
+# $IFS is null, just like unquoted $@
+IFS=''
+set bob 'tom dick harry' joe
+set $*
+recho $#
+recho $1
+recho $2
+recho $3
+
+set bob 'tom dick harry' joe
+set $@
+recho $#
+recho $1
+recho $2
+recho $3
+
+# if IFS is unset, the individual positional parameters are split on
+# " \t\n" if $* or $@ are unquoted
+unset IFS
+set bob 'tom dick harry' joe
+set $*
+recho $#
+recho $1
+recho $2
+recho $3
+
+set bob 'tom dick harry' joe
+set $@  
+recho $#                                              
+recho $1
+recho $2
+recho $3
+
+# but not for "$@" or "$*"
+set bob 'tom dick harry' joe
+set "$*"
+recho $#
+recho $1
+recho $2
+recho $3
+
+set bob 'tom dick harry' joe
+set "$@"
+recho $#
+recho $1
+recho $2
+recho $3
+
+# POSIX.2 says these should both expand the positional parameters
+# to multiple words
+set a b c d e
+IFS=""
+recho $@
+recho "$@"
+
+# this example is straight from the POSIX.2 rationale
+set foo bar bam
+
+recho "$@"
+recho "$*"
+
+unset IFS
+
+recho "$@"
+recho $@
+recho "$*"
+
+IFS=:
+
+# special variables
+set -- 1 2 3 4 5 6 7 8 9 10
+
+bar=${*}
+foo=$*
+echo foo = "$foo"
+echo bar = "$bar"
+
+foo1=$@
+bar1=${@}
+
+echo foo1 = "$foo1"
+echo bar1 = "$bar1"
+
+foo2="$*"
+bar2="${*}"
+
+echo foo2 = "$foo2"
+echo bar2 = "$bar2"
+
+eval foo3='$*' bar3='${*}'
+echo foo3 = "$foo3"
+echo bar3 = "$bar3"
+
+case $* in
+*\:*)	echo ok 1;;
+*)	echo bad 1;;
+esac
+
+case $@ in
+*\:*)	echo bad 2;;
+*)	echo ok 2;;
+esac
+
+case "$*" in
+*\:*)	echo ok 3;;
+*)	echo bad 3;;
+esac
+
+case "$@" in
+*\:*)	echo bad 4;;
+*)	echo ok 4;;
+esac
+
+IFS=$' \t\n'
+
+bar=${*}
+foo=$*
+echo foo = "$foo"
+echo bar = "$bar"
+
+foo1=$@
+bar1=${@}
+
+echo foo1 = "$foo1"
+echo bar1 = "$bar1"
+
+foo2="$*"
+bar2="${*}"
+
+echo foo2 = "$foo2"
+echo bar2 = "$bar2"
+
+eval foo3='$*' bar3='${*}'
+echo foo3 = "$foo3"
+echo bar3 = "$bar3"
+
+case $* in
+*\ *)	echo ok 1;;
+*)	echo bad 1;;
+esac
+
+case $@ in
+*\ *)	echo ok 2;;
+*)	echo bad 2;;
+esac
+
+case "$*" in
+*\ *)	echo ok 3;;
+*)	echo bad 3;;
+esac
+
+case "$@" in
+*\ *)	echo ok 4;;
+*)	echo bad 4;;
+esac
+
+# tests for special expansion of "$*" and "${array[*]}" when used with other
+# expansions -- bugs through bash-2.05b
+${THIS_SH} ./dollar-star1.sub
+
+# tests for expansion of "$@" on rhs of things like ${param:+word}.  Bugs
+# though bash-2.05b
+${THIS_SH} ./dollar-at1.sub
+
+# tests for expansion of other variables in double-quoted strings containing
+# $@.  Bugs through bash-2.05b
+${THIS_SH} ./dollar-at2.sub
+
+# tests for various expansions of $* in different contexts -- word split,
+# no splitting, etc. when $IFS is NUL
+${THIS_SH} ./dollar-star2.sub
+
+# tests for expansions of "${array[*]}" and "${array[@]}" when $IFS is not the
+# default and the array contains null elements
+${THIS_SH} ./dollar-star3.sub
+
+# test for set -u and expansions of $@ when there are no positional parameters
+${THIS_SH} ./dollar-at3.sub
+# test for set -u and expansions of $* when there are no positional parameters
+${THIS_SH} ./dollar-star4.sub
+
+# tests for expansions of $* when IFS is null
+${THIS_SH} ./dollar-star5.sub
+
+exit 0