######################################################################## # # # This software is part of the ast package # # Copyright (c) 1982-2007 AT&T Intellectual Property # # and is licensed under the # # Common Public License, Version 1.0 # # by AT&T Intellectual Property # # # # A copy of the License is available at # # http://www.opensource.org/licenses/cpl1.0.txt # # (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) # # # # Information and Software Systems Research # # AT&T Research # # Florham Park NJ # # # # David Korn <dgk@research.att.com> # # # ######################################################################## function err_exit { print -u2 -n "\t" print -u2 -r ${Command}[$1]: "${@:2}" let Errors+=1 } alias err_exit='err_exit $LINENO' integer Errors=0 Command=${0##*/} integer foo=33 bar=bye # check for global variables and $0 function foobar { case $1 in 1) print -r - "$foo" "$bar";; 2) print -r - "$0";; 3) typeset foo=foo integer bar=10 print -r - "$foo" "$bar";; 4) trap 'foo=36' EXIT typeset foo=20;; esac } function print { command print hi } if [[ $(print) != hi ]] then err_exit "command print not working inside print function" fi unset -f print if [[ $(foobar 1) != '33 bye' ]] then err_exit 'global variables not correct' fi if [[ $(foobar 2) != 'foobar' ]] then err_exit '$0 not correct' fi if [[ $(bar=foo foobar 1) != '33 foo' ]] then err_exit 'environment override not correct' fi if [[ $bar == foo ]] then err_exit 'scoping error' fi if [[ $(foobar 3) != 'foo 10' ]] then err_exit non-local variables fi foobar 4 if [[ $foo != 36 ]] then err_exit EXIT trap in wrong scope fi unset -f foobar || err_exit "cannot unset function foobar" typeset -f foobar>/dev/null && err_exit "typeset -f has incorrect exit status" function foobar { (return 0) } > /tmp/shtests$$.1 { foobar if [ -r /tmp/shtests$$.1 ] then rm -r /tmp/shtests$$.1 else err_exit 'return within subshell inside function error' fi } abc() print hi if [[ $(abc) != hi ]] then err_exit 'abc() print hi not working' fi ( unset -f abc ) if [[ $(abc 2>/dev/null) != hi ]] then err_exit 'abc() print hi not working after subshell unset' fi ( function f { exit 1 } f err_exit 'exit from function not working' ) unset -f foo function foo { x=2 ( x=3 cd /tmp print bar ) if [[ $x != 2 ]] then err_exit 'value of x not restored after subshell inside function' fi } x=1 dir=$PWD if [[ $(foo) != bar ]] then err_exit 'cd inside nested subshell not working' fi if [[ $PWD != "$dir" ]] then err_exit 'cd inside nested subshell changes $PWD' fi fun() /bin/echo hello if [[ $(fun) != hello ]] then err_exit one line functions not working fi trap 'rm -f /tmp/script$$ /tmp/data$$.[12]' EXIT cat > /tmp/script$$ <<-\! print -r -- "$1" ! chmod +x /tmp/script$$ function passargs { /tmp/script$$ "$@" } if [[ $(passargs one) != one ]] then err_exit 'passing args from functions to scripts not working' fi cat > /tmp/script$$ <<-\! trap 'exit 0' EXIT function foo { /tmp > /dev/null 2>&1 } foo ! if ! /tmp/script$$ then err_exit 'exit trap incorrectly triggered' fi if ! $SHELL -c /tmp/script$$ then err_exit 'exit trap incorrectly triggered when invoked with -c' fi $SHELL -c "trap 'rm /tmp/script$$' EXIT" if [[ -f /tmp/script$$ ]] then err_exit 'exit trap not triggered when invoked with -c' fi cat > /tmp/script$$ <<- \EOF foobar() { return } shift foobar print -r -- "$1" EOF chmod +x /tmp/script$$ if [[ $( $SHELL /tmp/script$$ arg1 arg2) != arg2 ]] then err_exit 'arguments not restored by posix functions' fi function foo { print hello } ( function foo { print bar } if [[ $(foo) != bar ]] then err_exit 'function definitions inside subshells not working' fi ) if [[ $(foo) != hello ]] then err_exit 'function definitions inside subshells not restored' fi unset -f foo bar function bar { print "$y" } function foo { typeset x=3 y=$x bar } x=1 if [[ $(foo) != 3 ]] then err_exit 'variable assignment list not using parent scope' fi unset -f foo$$ trap "rm -f /tmp/foo$$" EXIT INT cat > /tmp/foo$$ <<! function foo$$ { print foo } ! chmod +x /tmp/foo$$ FPATH=/tmp autoload foo$$ if [[ $(foo$$ 2>/dev/null) != foo ]] then err_exit 'autoload not working' fi unset -f foobar function foobar { typeset -r x=3 return 0 } ( foobar ) 2> /dev/null || err_exit "cannot unset readonly variable in function" if $SHELL -n 2> /dev/null <<-! abc() ! then err_exit 'abc() without a function body is not a syntax error' fi function winpath { usage='q pathname ...' typeset var format=s while getopts "$usage" var do case $var in q) format=q;; esac done print done } if [[ $( (winpath --man 2>/dev/null); print ok) != ok ]] then err_exit 'getopts --man in functions not working' fi if [[ $( (winpath -z 2>/dev/null); print ok) != ok ]] then err_exit 'getopts with bad option in functions not working' fi unset -f x function x { print "$@" } typeset -ft x if [[ $(x x=y 2>/dev/null) != x=y ]] then err_exit 'name=value pair args not passed to traced functions' fi function bad { false } trap 'val=false' ERR val=true bad if [[ $val != false ]] then err_exit 'set -e not working for functions' fi function bad { false return 0 } val=true bad if [[ $val != true ]] then err_exit 'set -e not disabled for functions' fi bad() { false return 0 } val=true bad if [[ $val != false ]] then err_exit 'set -e not inherited for posix functions' fi function myexport { nameref var=$1 if (( $# > 1 )) then export $1=$2 fi if (( $# > 2 )) then print $(myexport "$1" "$3" ) return fi typeset val val=$(export | grep "^$1=") print ${val#"$1="} } export dgk=base if [[ $(myexport dgk fun) != fun ]] then err_exit 'export inside function not working' fi val=$(export | grep "^dgk=") if [[ ${val#dgk=} != base ]] then err_exit 'export not restored after function call' fi if [[ $(myexport dgk fun fun2) != fun2 ]] then err_exit 'export inside function not working with recursive function' fi val=$(export | grep "^dgk=") if [[ ${val#dgk=} != base ]] then err_exit 'export not restored after recursive function call' fi if [[ $(dgk=try3 myexport dgk) != try3 ]] then err_exit 'name=value not added to export list with function call' fi val=$(export | grep "^dgk=") if [[ ${val#dgk=} != base ]] then err_exit 'export not restored name=value function call' fi unset zzz if [[ $(myexport zzz fun) != fun ]] then err_exit 'export inside function not working for zzz' fi if [[ $(export | grep "zzz=") ]] then err_exit 'zzz exported after function call' fi unset zzz typeset -u zzz function foo { zzz=abc print $zzz } if [[ $(foo)$(foo) != ABCABC ]] then err_exit 'attributes on unset variables not saved/restored' fi function xpd { typeset i j=$1 for i do print i=$i j=$j [[ $i == a ]] && xpd b done } if [[ $(xpd a c) != $'i=a j=a\ni=b j=b\ni=c j=a' ]] then err_exit 'for loop function optimization error' fi typeset -A visited integer level=0 function closure { (( $# > 5 )) && return 1 ((level < 2)) && ((level++)) typeset tmp r=0 visited[$1]=1 for tmp in $level _$level do [[ ${visited[$tmp]} == 1 ]] && continue closure $tmp $* || r=1 done return $r } closure 0 || err_exit -u2 'for loop function optimization bug2' mkdir /tmp/ksh$$ || err_exit "mkdir /tmp/ksh$$ failed" cd /tmp/ksh$$ || err_exit "cd /tmp/ksh$$ failed" print 'false' > try chmod +x try cat > tst <<- EOF function ignore { ./try return 0 } trap "print error; exit 1" ERR ignore EOF if [[ $($SHELL < tst) == error ]] then err_exit 'ERR trap not cleared' fi FPATH=/tmp/ksh$$ print ': This does nothing' > /tmp/ksh$$/foobar chmod +x /tmp/ksh$$/foobar unset -f foobar { foobar;} 2> /dev/null if [[ $? != 126 ]] then err_exit 'function file without function definition processes wrong error' fi print 'set a b c' > dotscript [[ $(PATH=$PATH: $SHELL -c '. dotscript;print $#') == 3 ]] || err_exit 'positional parameters not preserved with . script without arguments' cd ~- || err_exit "cd back failed" cd /; rm -r /tmp/ksh$$ || err_exit "rm -r /tmp/ksh$$ failed" function errcheck { trap 'print ERR; return 1' ERR false print ok } err=$(errcheck) [[ $err == ERR ]] || err_exit 'trap on ERR not working in a function' x="$( function foobar { print ok } typeset -f foobar )" eval "$x" || err_exit 'typeset -f generates syntax error' [[ $(foobar) != ok ]] && err_exit 'typeset -f not generating function' unset -f a b c a() { b b print ${.sh.fun} } b() { : ;} [[ $(a) == a ]] || err_exit '.sh.fun not set correctly in a function' print $'a(){\ndate\n}' | $SHELL 2> /dev/null || err_exit 'parser error in a(){;date;}' cat > /tmp/data$$.1 << '++EOF' 1 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 2 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 3 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 4 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 5 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 6 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 7 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 8 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/tmp/script$$ printf 'M\n}\n\nf\n\n' >> /tmp/script$$ $SHELL -c /tmp/script$$ > /tmp/data$$.2 cmp -s /tmp/data$$.[12] || err_exit 'error with long functions' rm -f /tmp/script$$ /tmp/data$$.[12] v=1 function f { typeset i for i in 0 1 do typeset v v=$i [[ $v == $i ]] || return 1 done } f || err_exit "typeset optimization bug" function f { print -r -- "$foo$bar" } function g { print -r -- $(bar=bam f) } unset foo bar [[ $(foo=hello g) == hellobam ]] || err_exit 'function exports not passed on' [[ $(bar=hello g) == bam ]] || err_exit 'function exports not overridden' unset -f foo function foo { typeset line=$1 set +n while [[ $line ]] do if [[ ! $varname ]] then varname=${line%% *} line=${line##"$varname"?( )} [[ $line ]] && continue else print ok return fi varname= done } [[ $(foo 'NUMBERED RECORDSIZE') == ok ]] || err_exit 'optimization error with undefined variable' unset x x=$( set -e integer count=0 function err_f { if ((count++==3)) then print failed else false fi } trap 'err_f' ERR false ) [[ $x == failed ]] && err_exit 'ERR trap executed multiple times' export environment typeset global function f { typeset i t local for i do case $i in [-+]*) set "$@" continue ;; local) local=f t=$(typeset +f $local) ;; global) global=f t=$(typeset +f $global) ;; environment) environment=f t=$(typeset +f $environment) ;; literal)t=$(typeset +f f) ;; positional) set -- f t=$(typeset +f $1) ;; esac [[ $t ]] || err_exit "typeset +f \$$i failed" done } f local global environment literal positional exit $((Errors))