diff options
Diffstat (limited to '')
| -rwxr-xr-x | tests/dollar-at-star | 305 | ||||
| -rw-r--r-- | tests/dollar-at-star1.sub | 23 | ||||
| -rw-r--r-- | tests/dollar-at-star2.sub | 207 | ||||
| -rw-r--r-- | tests/dollar-at-star3.sub | 44 | ||||
| -rw-r--r-- | tests/dollar-at-star4.sub | 99 | ||||
| -rw-r--r-- | tests/dollar-at-star5.sub | 53 | ||||
| -rw-r--r-- | tests/dollar-at-star6.sub | 29 | ||||
| -rw-r--r-- | tests/dollar-at-star7.sub | 25 | ||||
| -rw-r--r-- | tests/dollar-at-star8.sub | 14 |
9 files changed, 799 insertions, 0 deletions
diff --git a/tests/dollar-at-star b/tests/dollar-at-star new file mode 100755 index 0000000..0f713dc --- /dev/null +++ b/tests/dollar-at-star @@ -0,0 +1,305 @@ +# first, let's start with the basics + +recho "$@" +recho "$*" + +recho $@ +recho $* + +foo=$* +foo=$@ + +foo="$*" +foo="$@" + +unset -v bar + +foo=${bar:-$*} +foo=${bar:-$@} + +foo=${bar:-"$*"} +foo=${bar:-"$@"} + +foo=${!*} +foo=${!@} + +set a b + +recho "$*" + +# 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 the effect of quoting $* and $@ in an assignment context (plus +# arrays) -- bugs through bash 4.2 +${THIS_SH} ./dollar-at-star1.sub + +# more tests for expanding $@ and $* in a context where there is no word +# splitting +${THIS_SH} ./dollar-at-star2.sub +${THIS_SH} ./dollar-at-star3.sub +${THIS_SH} ./dollar-at-star4.sub +${THIS_SH} ./dollar-at-star5.sub +${THIS_SH} ./dollar-at-star6.sub +${THIS_SH} ./dollar-at-star7.sub + +# tests for expansions of $@ and ${a[@]} (vs. $* and ${a[*]}) on the RHS of +# assignment statements with non-default IFS: $@ expands to args or array +# members separated by spaces +${THIS_SH} ./dollar-at-star8.sub + +# 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 + +# tests for inappropriate word splitting through bash-4.2 +${THIS_SH} ./dollar-at4.sub + +# tests for problems with "$@" preceded and followed by other quoted expansions +# through bash-4.2 +${THIS_SH} ./dollar-at5.sub + +# tests for problems with "${@:1}" and other expansions with null entries +# in positional parameters +${THIS_SH} ./dollar-at6.sub + +# tests for expansions of $* when $1 == ""; problem through bash-4.2 +${THIS_SH} ./dollar-star6.sub + +# tests for expansions of $* (unquoted) when IFS changes (e.g., ${IFS:=-}) +# problem through bash-4.2 +${THIS_SH} ./dollar-star7.sub + +# tests for expansions of $* (unquoted) when IFS is null and word splitting is +# not going to be performed. +# problem through bash-4.4 in some parameter expansion contexts +${THIS_SH} ./dollar-star8.sub + +# tests for expansions of "$@" when there are no positional parameter or when +# $1 == '' and the expansion is preceded by something that results in a quoted +# null string +${THIS_SH} ./dollar-at7.sub + +# tests for expansions of $* when in an assignment context (no splitting) and +# IFS is null +${THIS_SH} ./dollar-star9.sub + +exit 0 diff --git a/tests/dollar-at-star1.sub b/tests/dollar-at-star1.sub new file mode 100644 index 0000000..0036915 --- /dev/null +++ b/tests/dollar-at-star1.sub @@ -0,0 +1,23 @@ +# from dan douglas +expassign() +{ + typeset -a a + a=("$@") + typeset var asn + + while IFS= read -r asn; do + IFS=: command eval "$asn" + printf '%-14s... %s\n' "$asn" "$var" + done <<\EOF +var=${a[*]} +var="${a[*]}" +var=$* +var="$*" +var=${a[@]} +var="${a[@]}" +var=$@ +var="$@" +EOF +} + +expassign one:::two three:::four diff --git a/tests/dollar-at-star2.sub b/tests/dollar-at-star2.sub new file mode 100644 index 0000000..780548e --- /dev/null +++ b/tests/dollar-at-star2.sub @@ -0,0 +1,207 @@ +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="$OIFS" diff --git a/tests/dollar-at-star3.sub b/tests/dollar-at-star3.sub new file mode 100644 index 0000000..b37d64a --- /dev/null +++ b/tests/dollar-at-star3.sub @@ -0,0 +1,44 @@ +unset f ; f=abcd + +first_char=${f[@]:0:1} +recho $first_char + +first_char=${f[0]:0:1} +recho $first_char + +first_char=${f:0:1} +recho $first_char + +first_char="${f[@]:0:1}" +recho $first_char + +first_char="${f[@]:0:1}" +recho $first_char + +first_char="${f[0]:0:1}" +recho $first_char + +first_char="${f:0:1}" +recho $first_char + +unset f; +f=( one two three ) +first_word=${f[@]:0:1} +recho $first_word + +first_word=${f[0]:0:1} +recho $first_word + +first_word=${f:0:1} +recho $first_word + +unset f; +f=( one two three ) +first_word=${f[@]:0:1} +recho $first_word + +set -- abc def ghi + +printf '<%s> ' "123 $@ 456"; echo +printf '<%s> ' "123 $@\ 456"; echo + diff --git a/tests/dollar-at-star4.sub b/tests/dollar-at-star4.sub new file mode 100644 index 0000000..be2892d --- /dev/null +++ b/tests/dollar-at-star4.sub @@ -0,0 +1,99 @@ +# tests for quoted and unquoted, split and unsplit expansions of $@ and $* +# Posix interpretation 221 speaks to this issue + +set -- a b +IFS= +x=abc + +printf "<%s>\n" ${x#$*} + +a="a bc" +echo ${a#$*} +unset x a + +a=$@ +echo "$a" + +a=$* +echo "$a" + +printf '<%s>' $@ ; echo + +IFS=' +' + +a=$@ +echo "$a" + +a=$* +echo "$a" + +unset a + +unset IFS +set a b "c d" +printf '<%s>' $* ; echo +printf '<%s>' ${q-$*} ; echo + +IFS= +set a b "c d" +printf '<%s>' $* ; echo +printf '<%s>' ${q-$*} ; echo + +IFS=: +set a b +printf '<%s>' ${foo=$*} ; echo +printf '<%s>' "${foo}" ; echo + +unset foo +IFS=' +' +printf '<%s>' ${foo=$@} ; echo +printf '<%s>' "$foo" ; echo + +IFS=? +set a c +foo=abcd + +echo ${foo#"$*"} +echo "${foo#$*}" + +echo "${foo#'a?c'}" +echo "${foo#a?c}" + +IFS=? +set a c +str=a$'\001'c +pat=a$'\001' +echo "${str#$pat}" + +set a b +IFS=: + +a=$@ +recho "$a" + +recho ${foo=$*} +recho "$foo" + +unset foo +IFS=' +' +recho ${foo=$@} +recho "$foo" + +shift $# +unset foo x + +set -- a b +x=abc + +IFS= +printf "<%s>\n" ${x#$*} +printf "<%s>\n" "${x#$*}" + +x=abcd +set a c +IFS='?' +printf "<%s>\n" ${x#$*} +printf "<%s>\n" "${x#$*}" diff --git a/tests/dollar-at-star5.sub b/tests/dollar-at-star5.sub new file mode 100644 index 0000000..3bd7b0f --- /dev/null +++ b/tests/dollar-at-star5.sub @@ -0,0 +1,53 @@ +# testing various combinations of quoted and unquoted expansions of $@, and +# whether they generate empty words after expansion + +n() { echo "$#"; } + +n "$@" +n ${foo-"$@"} +n "${foo-$@}" + +n ""$@ +n """$@" + +n $(true)$@ +n "$(true)$@" +n "$(true)$@" +n "$(true)""$@" + +n $xxx$@ +n "$xxx$@" +n $xxx"$@" +n "$xxx""$@" + +recho $xxx"$@" +echo after 1 + +recho "$xxx$@" +echo after 2 + +recho ${foo:-$xxx"$@"} +echo after 3 + +# this is where these things start to differ +echo same as 1 +recho "${foo:-$xxx"$@"}" +echo same as 2 +recho "${foo:-$xxx$@}" + +echo null fields +recho ""$@ +recho """$@" + +echo null fields in rhs +echo null string with unquoted '$@' +recho ${foo:-""$@} +echo null string with quoted '$@' +recho ${foo:-"""$@"} + +echo assignment +recho "${foo=$@}" +echo variable +recho "$foo" +echo dollar-at +recho "${@}" diff --git a/tests/dollar-at-star6.sub b/tests/dollar-at-star6.sub new file mode 100644 index 0000000..7366df5 --- /dev/null +++ b/tests/dollar-at-star6.sub @@ -0,0 +1,29 @@ +OIFS="$IFS" +arr=(a b c) + +recho ${arr[@]@Q} +recho "${arr[@]@Q}" + +IFS="'" +recho ${arr[@]@Q} +recho "${arr[@]@Q}" +IFS="$OIFS" + +arr=("'a'" "'b'" "'c'") + +IFS="'" +recho ${arr[@]} +recho "${arr[@]}" +IFS="$OIFS" + +IFS="'" +a="'a'" +recho $a +recho "$a" +IFS="$OIFS" + +set -- "'a'" "'b'" "'c'" + +IFS="'" +recho "${@}" +recho "$@" diff --git a/tests/dollar-at-star7.sub b/tests/dollar-at-star7.sub new file mode 100644 index 0000000..47cb37f --- /dev/null +++ b/tests/dollar-at-star7.sub @@ -0,0 +1,25 @@ +IFS='' # testing with only empty IFS + +set -- this is a test + +printf '|%s|\n' ${1+"$@"} +echo +printf '|%s|\n' "${1+$@}" +echo +printf '|%s|\n' "$@" +echo + +printf '|%s|\n' ${1-"$@"} +printf '|%s|\n' "${1-$@}" + +echo +: ${foo:="$@"} +printf '|%s|\n' "$foo" + +unset foo +: "${foo:=$@}" +printf '|%s|\n' "$foo" + +unset foo +printf '|%s|\n' ${foo-"$@"} +printf '|%s|\n' "${foo-$@}" diff --git a/tests/dollar-at-star8.sub b/tests/dollar-at-star8.sub new file mode 100644 index 0000000..7e1b688 --- /dev/null +++ b/tests/dollar-at-star8.sub @@ -0,0 +1,14 @@ +function f { + typeset -a a + a=("$@") + typeset IFS=, + typeset a1="${a[@]} ${a[*]} $@ $* ${@} ${*}" + typeset a2=${a[@]}\ ${a[*]}\ $@\ $*\ ${@}\ ${*} a3 a4 + a3="${a[@]} ${a[*]} $@ $* ${@} ${*}" + a4=${a[@]}\ ${a[*]}\ $@\ $*\ ${@}\ ${*} + unset -v IFS + printf '%s\n' "a1=$a1" "a2=$a2" "a3=$a3" "a4=$a4" +} + +echo +f a b c |