diff options
Diffstat (limited to 'tests/dollar-at-star')
| -rwxr-xr-x | tests/dollar-at-star | 305 |
1 files changed, 305 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 |