commit bash-20160722 snapshot

tests/dollar-at-star

@@ -220,6 +220,11 @@ ${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/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

tests/dollar.right

@@ -294,6 +294,11 @@ argv[3] = <'c'>
 |is|
 |a|
 |test|
+
+a1=a b c a,b,c a b c a,b,c a b c a,b,c
+a2=a b c a,b,c a b c a,b,c a b c a,b,c
+a3=a b c a,b,c a b c a,b,c a b c a,b,c
+a4=a b c a,b,c a b c a,b,c a b c a,b,c
 xa|xb|xc
 xa|xb|xc
 a|b|c

tests/exp.right

@@ -234,3 +234,103 @@ declare -a array=([0]=$'x\001y\177z')
 argv[1] = <x^Ay^?z>
 declare -a array=([0]=$'x\001y\177z')
 declare -A array=([$'x\001y\177z']=$'a\242b\002c' )
+abc
+def
+ghi
+jkl
+abc def ghi jkl
+xxabc
+def
+ghi
+jklyy
+xxabc def ghi jklyy
+abc
+def
+ghi
+jkl
+abc
+def ghi
+jkl
+abc
+def ghi
+jkl
+abc
+def ghi
+jkl
+xxabc
+def
+ghi
+jklyy
+xxabc
+def ghi
+jklyy
+abc
+def
+ghi
+jklabc
+def
+ghi
+jkl
+abc
+def ghi
+jklabc
+def ghi
+jkl
+abc:def ghi:jkl
+abc:def ghi:jkl
+abc:def ghi:jkl
+abc
+def ghi
+jkl
+abc:def ghi:jkl
+abc:def ghi:jkl
+abc
+def ghi
+jkl
+var=abc:def ghi:jkl
+abc:def ghi:jkl
+var=abc:def ghi:jkl
+abcdef ghijkl
+abcdef ghijkl
+abcdef ghijkl
+abcdef ghijkl
+abcdef ghijkl
+abcdef ghijkl
+abcdef ghijkl
+var=abcdef ghijkl
+abcdef ghijkl
+var=abcdef ghijkl
+abc
+def ghi
+jkl
+abc def ghi jkl
+abc def ghi jkl
+abc def ghi jkl
+abc
+def
+ghi
+jkl
+abc def ghi jkl
+abc def ghi jkl
+abc
+def
+ghi
+jkl
+var=abc def ghi jkl
+abc def ghi jkl
+var=abc def ghi jkl
+abc
+def ghi
+jkl
+[foo]
+[]
+[foo]
+[]
+[foo]
+[foo]
+[foo]
+[]
+[foo]
+[]
+[foo]
+[]

tests/exp.tests

@@ -404,3 +404,4 @@ ${THIS_SH} ./exp5.sub
 ${THIS_SH} ./exp6.sub
 ${THIS_SH} ./exp7.sub
 ${THIS_SH} ./exp8.sub
+${THIS_SH} ./exp9.sub

tests/exp9.sub

@@ -0,0 +1,69 @@
+# expansion test cases from Posix interp 888
+
+set "abc" "def ghi" "jkl"
+unset novar
+IFS=' ' # a space
+printf '%s\n' $*
+printf '%s\n' "$*"
+printf '%s\n' xx$*yy
+printf '%s\n' "xx$*yy"
+printf '%s\n' $@
+printf '%s\n' "$@"
+printf '%s\n' ${1+"$@"}
+printf '%s\n' ${novar-"$@"}
+printf '%s\n' xx$@yy
+printf '%s\n' "xx$@yy"
+printf '%s\n' $@$@
+printf '%s\n' "$@$@"
+IFS=':'
+printf '%s\n' "$*"
+var=$*; printf '%s\n' "$var"
+var="$*"; printf '%s\n' "$var"
+unset var
+printf '%s\n' ${var-$*}
+printf '%s\n' "${var-$*}"
+printf '%s\n' ${var-"$*"}
+printf '%s\n' ${var=$*}
+printf 'var=%s\n' "$var"
+unset var
+printf '%s\n' "${var=$*}"
+printf 'var=%s\n' "$var"
+
+IFS='' # null
+printf '%s\n' "$*"
+var=$*; printf '%s\n' "$var"
+var="$*"; printf '%s\n' "$var"
+unset var
+printf '%s\n' ${var-$*}
+printf '%s\n' "${var-$*}"
+printf '%s\n' ${var-"$*"}
+printf '%s\n' ${var=$*}
+printf 'var=%s\n' "$var"
+unset var
+printf '%s\n' "${var=$*}"
+printf 'var=%s\n' "$var"
+printf '%s\n' "$@"
+
+unset IFS
+printf '%s\n' "$*"
+var=$*; printf '%s\n' "$var"
+var="$*"; printf '%s\n' "$var"
+unset var
+printf '%s\n' ${var-$*}
+printf '%s\n' "${var-$*}"
+printf '%s\n' ${var-"$*"}
+printf '%s\n' ${var=$*}
+printf 'var=%s\n' "$var"
+unset var
+printf '%s\n' "${var=$*}"
+printf 'var=%s\n' "$var"
+printf '%s\n' "$@"
+
+set --
+printf '[%s]\n' foo "$*"
+printf '[%s]\n' foo "$novar$*$(echo)"
+printf '[%s]\n' foo $@
+printf '[%s]\n' foo "$@"
+printf '[%s]\n' foo ''$@
+printf '[%s]\n' foo ''"$@"
+printf '[%s]\n' foo ''"$novar$@$(echo)"