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cde/src/cmd/ksh93/tests/builtins.sh
Martijn Dekker be5ea8bbb2 redirect: check args before executing redirections (re: 7b82c338) 
The 'redirect' builtin command did not error out before executing
any valid redirections. For example, 'redirect ls >foo.txt' issued
an "incorrect syntax" error, but still created 'foo.txt' and left
standard output permanently redirected to it.

src/cmd/ksh93/sh/xec.c: sh_exec():
- If we have redirections (io != NULL), and the command is
  SYSREDIR, then check for arguments and error out if there are
  any, before calling sh_redirect() to execute redirections.
  (Note, the other check for arguments in b_exec() in bltins/misc.c
  must be kept, as that applies if there are no redirections.)

src/cmd/ksh93/sh/io.c: sh_redirect():
- Edit comments to better explain what the flag values do.

src/cmd/ksh93/bltins/misc.c:
- Add a dummy b_redirect() function declaration "for the dictionary
  generator" as has historically been done for other builtins that
  share one C function. I'm not sure what that dictionary generator
  is supposed to be, but this also improves greppability.

src/cmd/ksh93/data/builtins.c,
src/cmd/ksh93/sh.1:
- Fix misleading "I/O redirection arguments" term. I/O redirections
  are not arguments at all; no argument parser ever sees them.

src/cmd/ksh93/tests/io.sh:
- Test both conditions that should make 'redirect' produce an
  "incorrect syntax" error.
- Test that any redirections are not executed if erroneous
  non-redirection arguments exist.

src/cmd/ksh93/tests/builtins.sh:
- "... should show usage info on unrecognized options" test:
  Because 'redirect' now refuses to process redirections on error,
  the error message was not captured. The fix is to run the builtin
  in a braces block and add the redirection to the block.
2020-08-09 00:47:22 +01:00

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########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2012 AT&T Intellectual Property #
# and is licensed under the #
# Eclipse Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.eclipse.org/org/documents/epl-v10.html #
# (with md5 checksum b35adb5213ca9657e911e9befb180842) #
# #
# 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 $LINENO'
Command=${0##*/}
integer Errors=0
[[ -d $tmp && -w $tmp ]] || { err\_exit "$LINENO" '$tmp not set; run this from shtests. Aborting.'; exit 1; }
bincat=$(whence -p cat)
# test shell builtin commands
builtin getconf
: ${foo=bar} || err_exit ": failed"
[[ $foo == bar ]] || err_exit ": side effects failed"
set -- - foobar
[[ $# == 2 && $1 == - && $2 == foobar ]] || err_exit "set -- - foobar failed"
set -- -x foobar
[[ $# == 2 && $1 == -x && $2 == foobar ]] || err_exit "set -- -x foobar failed"
getopts :x: foo || err_exit "getopts :x: returns false"
[[ $foo == x && $OPTARG == foobar ]] || err_exit "getopts :x: failed"
OPTIND=1
getopts :r:s var -r
if [[ $var != : || $OPTARG != r ]]
then err_exit "'getopts :r:s var -r' not working"
fi
OPTIND=1
getopts :d#u OPT -d 16177
if [[ $OPT != d || $OPTARG != 16177 ]]
then err_exit "'getopts :d#u OPT=d OPTARG=16177' failed -- OPT=$OPT OPTARG=$OPTARG"
fi
OPTIND=1
while getopts 'ab' option -a -b
do [[ $OPTIND == $((OPTIND)) ]] || err_exit "OPTIND optimization bug"
done
USAGE=$'[-][S:server?Operate on the specified \asubservice\a:]:[subservice:=pmserver]
{
[p:pmserver]
[r:repserver]
[11:notifyd]
}'
set pmser p rep r notifyd -11
while (( $# > 1 ))
do OPTIND=1
getopts "$USAGE" OPT -S $1
[[ $OPT == S && $OPTARG == $2 ]] || err_exit "OPT=$OPT OPTARG=$OPTARG -- expected OPT=S OPTARG=$2"
shift 2
done
false ${foo=bar} && err_exit "false failed"
read <<!
hello world
!
[[ $REPLY == 'hello world' ]] || err_exit "read builtin failed"
print x:y | IFS=: read a b
if [[ $a != x ]]
then err_exit "IFS=: read ... not working"
fi
read <<!
hello \
world
!
[[ $REPLY == 'hello world' ]] || err_exit "read continuation failed"
read -d x <<!
hello worldxfoobar
!
[[ $REPLY == 'hello world' ]] || err_exit "read builtin failed"
read <<\!
hello \
world \
!
[[ $REPLY == 'hello world' ]] || err_exit "read continuation2 failed"
print "one\ntwo" | { read line
print $line | "$bincat" > /dev/null
read line
}
read <<\!
\
a\
\
\
b
!
if [[ $REPLY != ab ]]
then err_exit "read multiple continuation failed"
fi
if [[ $line != two ]]
then err_exit "read from pipeline failed"
fi
line=two
read line < /dev/null
if [[ $line != "" ]]
then err_exit "read from /dev/null failed"
fi
if [[ $(print -R -) != - ]]
then err_exit "print -R not working correctly"
fi
if [[ $(print -- -) != - ]]
then err_exit "print -- not working correctly"
fi
print -f "hello%nbar\n" size > /dev/null
if (( size != 5 ))
then err_exit "%n format of printf not working"
fi
print -n -u2 2>&1-
[[ -w /dev/fd/1 ]] || err_exit "2<&1- with built-ins has side effects"
x=$0
if [[ $(eval 'print $0') != $x ]]
then err_exit '$0 not correct for eval'
fi
$SHELL -c 'read x <<< hello' 2> /dev/null || err_exit 'syntax <<< not recognized'
($SHELL -c 'read x[1] <<< hello') 2> /dev/null || err_exit 'read x[1] not working'
unset x
readonly x
set -- $(readonly)
if [[ " $@ " != *" x "* ]]
then err_exit 'unset readonly variables are not displayed'
fi
if [[ $( for i in foo bar
do print $i
continue 10
done
) != $'foo\nbar' ]]
then err_exit 'continue breaks out of loop'
fi
(continue bad 2>/dev/null && err_exit 'continue bad should return an error')
(break bad 2>/dev/null && err_exit 'break bad should return an error')
(continue 0 2>/dev/null && err_exit 'continue 0 should return an error')
(break 0 2>/dev/null && err_exit 'break 0 should return an error')
breakfun() { break;}
continuefun() { continue;}
for fun in break continue
do if [[ $( for i in foo
do ${fun}fun
print $i
done
) != foo ]]
then err_exit "$fun call in ${fun}fun breaks out of for loop"
fi
done
if [[ $(print -f "%b" "\a\n\v\b\r\f\E\03\\oo") != $'\a\n\v\b\r\f\E\03\\oo' ]]
then err_exit 'print -f "%b" not working'
fi
if [[ $(print -f "%P" "[^x].*b\$") != '*[!x]*b' ]]
then err_exit 'print -f "%P" not working'
fi
if [[ $(print -f "%(pattern)q" "[^x].*b\$") != '*[!x]*b' ]]
then err_exit 'print -f "%(pattern)q" not working'
fi
if [[ $(abc: for i in foo bar;do print $i;break abc;done) != foo ]]
then err_exit 'break labels not working'
fi
if [[ $(command -v if) != if ]]
then err_exit 'command -v not working'
fi
read -r var <<\!
!
if [[ $var != "" ]]
then err_exit "read -r of blank line not working"
fi
mkdir -p $tmp/a/b/c 2>/dev/null || err_exit "mkdir -p failed"
$SHELL -c "cd $tmp/a/b; cd c" 2>/dev/null || err_exit "initial script relative cd fails"
trap 'print TERM' TERM
exp="trap -- 'print TERM' TERM"
got=$(trap)
[[ $got == $exp ]] || err_exit "\$(trap) failed -- expected \"$exp\", got \"$got\""
exp='print TERM'
got=$(trap -p TERM)
[[ $got == $exp ]] || err_exit "\$(trap -p TERM) failed -- expected \"$exp\", got \"$got\""
[[ $($SHELL -c 'trap "print ok" SIGTERM; kill -s SIGTERM $$' 2> /dev/null) == ok ]] || err_exit 'SIGTERM not recognized'
[[ $($SHELL -c 'trap "print ok" sigterm; kill -s sigterm $$' 2> /dev/null) == ok ]] || err_exit 'SIGTERM not recognized'
[[ $($SHELL -c '( trap "" TERM);kill $$;print bad' == bad) ]] 2> /dev/null && err_exit 'trap ignored in subshell causes it to be ignored by parent'
${SHELL} -c 'kill -1 -$$' 2> /dev/null
[[ $(kill -l $?) == HUP ]] || err_exit 'kill -1 -pid not working'
${SHELL} -c 'kill -1 -$$' 2> /dev/null
[[ $(kill -l $?) == HUP ]] || err_exit 'kill -n1 -pid not working'
${SHELL} -c 'kill -s HUP -$$' 2> /dev/null
[[ $(kill -l $?) == HUP ]] || err_exit 'kill -HUP -pid not working'
n=123
typeset -A base
base[o]=8#
base[x]=16#
base[X]=16#
for i in d i o u x X
do if (( $(( ${base[$i]}$(printf "%$i" $n) )) != n ))
then err_exit "printf %$i not working"
fi
done
if [[ $( trap 'print done' EXIT) != done ]]
then err_exit 'trap on EXIT not working'
fi
if [[ $( trap 'print done' EXIT; trap - EXIT) == done ]]
then err_exit 'trap on EXIT not being cleared'
fi
if [[ $(LC_MESSAGES=C type test) != 'test is a shell builtin' ]]
then err_exit 'whence -v test not a builtin'
fi
builtin -d test
if [[ $(type test) == *builtin* ]]
then err_exit 'whence -v test after builtin -d incorrect'
fi
typeset -Z3 percent=$(printf '%o\n' "'%'")
forrmat=\\${percent}s
if [[ $(printf "$forrmat") != %s ]]
then err_exit "printf $forrmat not working"
fi
if (( $(printf 'x\0y' | wc -c) != 3 ))
then err_exit 'printf \0 not working'
fi
if [[ $(printf "%bx%s\n" 'f\to\cbar') != $'f\to' ]]
then err_exit 'printf %bx%s\n not working'
fi
alpha=abcdefghijklmnop
if [[ $(printf "%10.*s\n" 5 $alpha) != ' abcde' ]]
then err_exit 'printf %10.%s\n not working'
fi
float x2=.0000625
if [[ $(printf "%10.5E\n" x2) != 6.25000E-05 ]]
then err_exit 'printf "%10.5E" not normalizing correctly'
fi
x2=.000000001
if [[ $(printf "%g\n" x2 2>/dev/null) != 1e-09 ]]
then err_exit 'printf "%g" not working correctly'
fi
#FIXME#($SHELL read -s foobar <<\!
#FIXME#testing
#FIXME#!
#FIXME#) 2> /dev/null || err_exit ksh read -s var fails
if [[ $(printf +3 2>/dev/null) != +3 ]]
then err_exit 'printf is not processing formats beginning with + correctly'
fi
if printf "%d %d\n" 123bad 78 >/dev/null 2>/dev/null
then err_exit "printf not exiting non-zero with conversion errors"
fi
if [[ $(trap --version 2> /dev/null;print done) != done ]]
then err_exit 'trap builtin terminating after --version'
fi
if [[ $(set --version 2> /dev/null;print done) != done ]]
then err_exit 'set builtin terminating after --veresion'
fi
unset -f foobar
function foobar
{
print 'hello world'
}
OPTIND=1
if [[ $(getopts $'[+?X\ffoobar\fX]' v --man 2>&1) != *'Xhello world'X* ]]
then err_exit '\f...\f not working in getopts usage strings'
fi
if [[ $(printf '%H\n' $'<>"& \'\tabc') != '&lt;&gt;&quot;&amp;&nbsp;&apos;&#9;abc' ]]
then err_exit 'printf %H not working'
fi
if [[ $(printf '%(html)q\n' $'<>"& \'\tabc') != '&lt;&gt;&quot;&amp;&nbsp;&apos;&#9;abc' ]]
then err_exit 'printf %(html)q not working'
fi
if [[ $( printf 'foo://ab_c%(url)q\n' $'<>"& \'\tabc') != 'foo://ab_c%3C%3E%22%26%20%27%09abc' ]]
then err_exit 'printf %(url)q not working'
fi
if [[ $(printf '%R %R %R %R\n' 'a.b' '*.c' '^' '!(*.*)') != '^a\.b$ \.c$ ^\^$ ^(.*\..*)!$' ]]
then err_exit 'printf %T not working'
fi
if [[ $(printf '%(ere)q %(ere)q %(ere)q %(ere)q\n' 'a.b' '*.c' '^' '!(*.*)') != '^a\.b$ \.c$ ^\^$ ^(.*\..*)!$' ]]
then err_exit 'printf %(ere)q not working'
fi
if [[ $(printf '%..:c\n' abc) != a:b:c ]]
then err_exit "printf '%..:c' not working"
fi
if [[ $(printf '%..*c\n' : abc) != a:b:c ]]
then err_exit "printf '%..*c' not working"
fi
if [[ $(printf '%..:s\n' abc def ) != abc:def ]]
then err_exit "printf '%..:s' not working"
fi
if [[ $(printf '%..*s\n' : abc def) != abc:def ]]
then err_exit "printf '%..*s' not working"
fi
# ======
# we won't get hit by the one second boundary twice, right?
expect= actual=
{ expect=$(LC_ALL=C date | sed 's/ GMT / UTC /') && actual=$(LC_ALL=C printf '%T\n' now) && [[ $actual == "$expect" ]]; } ||
{ expect=$(LC_ALL=C date | sed 's/ GMT / UTC /') && actual=$(LC_ALL=C printf '%T\n' now) && [[ $actual == "$expect" ]]; } ||
err_exit 'printf "%T" now' "(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
behead()
{
read line
left=$(cat)
}
print $'line1\nline2' | behead
if [[ $left != line2 ]]
then err_exit "read reading ahead on a pipe"
fi
read -n1 y <<!
abc
!
exp=a
if [[ $y != $exp ]]
then err_exit "read -n1 failed -- expected '$exp', got '$y'"
fi
print -n $'{ read -r line;print $line;}\nhello' > $tmp/script
chmod 755 $tmp/script
if [[ $($SHELL < $tmp/script) != hello ]]
then err_exit 'read of incomplete line not working correctly'
fi
set -f
set -- *
if [[ $1 != '*' ]]
then err_exit 'set -f not working'
fi
unset pid1 pid2
false &
pid1=$!
pid2=$(
wait $pid1
(( $? == 127 )) || err_exit "job known to subshell"
print $!
)
wait $pid1
(( $? == 1 )) || err_exit "wait not saving exit value"
wait $pid2
(( $? == 127 )) || err_exit "subshell job known to parent"
env=
v=$(getconf LIBPATH)
for v in ${v//,/ }
do v=${v#*:}
v=${v%%:*}
eval [[ \$$v ]] && env="$env $v=\"\$$v\""
done
if [[ $(foo=bar; eval foo=\$foo $env exec -c \$SHELL -c \'print \$foo\') != bar ]]
then err_exit '"name=value exec -c ..." not working'
fi
$SHELL -c 'OPTIND=-1000000; getopts a opt -a' 2> /dev/null
[[ $? == 1 ]] || err_exit 'getopts with negative OPTIND not working'
getopts 'n#num' opt -n 3
[[ $OPTARG == 3 ]] || err_exit 'getopts with numerical arguments failed'
if [[ $($SHELL -c $'printf \'%2$s %1$s\n\' world hello') != 'hello world' ]]
then err_exit 'printf %2$s %1$s not working'
fi
val=$(( 'C' ))
set -- \
"'C" $val 0 \
"'C'" $val 0 \
'"C' $val 0 \
'"C"' $val 0 \
"'CX" $val 1 \
"'CX'" $val 1 \
"'C'X" $val 1 \
'"CX' $val 1 \
'"CX"' $val 1 \
'"C"X' $val 1
while (( $# >= 3 ))
do arg=$1 val=$2 code=$3
shift 3
for fmt in '%d' '%g'
do out=$(printf "$fmt" "$arg" 2>/dev/null)
err=$(set +x; printf "$fmt" "$arg" 2>&1 >/dev/null)
printf "$fmt" "$arg" >/dev/null 2>&1
ret=$?
[[ $out == $val ]] || err_exit "printf $fmt $arg failed -- expected '$val', got '$out'"
if (( $code ))
then [[ $err ]] || err_exit "printf $fmt $arg failed, error message expected"
else [[ $err ]] && err_exit "$err: printf $fmt $arg failed, error message not expected -- got '$err'"
fi
(( $ret == $code )) || err_exit "printf $fmt $arg failed -- expected exit code $code, got $ret"
done
done
((n=0))
((n++)); ARGC[$n]=1 ARGV[$n]=""
((n++)); ARGC[$n]=2 ARGV[$n]="-a"
((n++)); ARGC[$n]=4 ARGV[$n]="-a -v 2"
((n++)); ARGC[$n]=4 ARGV[$n]="-a -v 2 x"
((n++)); ARGC[$n]=4 ARGV[$n]="-a -v 2 x y"
for ((i=1; i<=n; i++))
do set -- ${ARGV[$i]}
OPTIND=0
while getopts -a tst "av:" OPT
do :
done
if [[ $OPTIND != ${ARGC[$i]} ]]
then err_exit "\$OPTIND after getopts loop incorrect -- expected ${ARGC[$i]}, got $OPTIND"
fi
done
options=ab:c
optarg=foo
set -- -a -b $optarg -c bar
while getopts $options opt
do case $opt in
a|c) [[ $OPTARG ]] && err_exit "getopts $options \$OPTARG for flag $opt failed, expected \"\", got \"$OPTARG\"" ;;
b) [[ $OPTARG == $optarg ]] || err_exit "getopts $options \$OPTARG failed -- \"$optarg\" expected, got \"$OPTARG\"" ;;
*) err_exit "getopts $options failed -- got flag $opt" ;;
esac
done
[[ $($SHELL 2> /dev/null -c 'readonly foo; getopts a: foo -a blah; echo foo') == foo ]] || err_exit 'getopts with readonly variable causes script to abort'
unset a
{ read -N3 a; read -N1 b;} <<!
abcdefg
!
exp=abc
[[ $a == $exp ]] || err_exit "read -N3 here-document failed -- expected '$exp', got '$a'"
exp=d
[[ $b == $exp ]] || err_exit "read -N1 here-document failed -- expected '$exp', got '$b'"
read -n3 a <<!
abcdefg
!
exp=abc
[[ $a == $exp ]] || err_exit "read -n3 here-document failed -- expected '$exp', got '$a'"
#(print -n a;sleep 1; print -n bcde) | { read -N3 a; read -N1 b;}
#[[ $a == $exp ]] || err_exit "read -N3 from pipe failed -- expected '$exp', got '$a'"
#exp=d
#[[ $b == $exp ]] || err_exit "read -N1 from pipe failed -- expected '$exp', got '$b'"
#(print -n a;sleep 1; print -n bcde) | read -n3 a
#exp=a
#[[ $a == $exp ]] || err_exit "read -n3 from pipe failed -- expected '$exp', got '$a'"
#rm -f $tmp/fifo
#if mkfifo $tmp/fifo 2> /dev/null
#then (print -n a; sleep 1;print -n bcde) > $tmp/fifo &
# {
# read -u5 -n3 -t2 a || err_exit 'read -n3 from fifo timedout'
# read -u5 -n1 -t2 b || err_exit 'read -n1 from fifo timedout'
# } 5< $tmp/fifo
# exp=a
# [[ $a == $exp ]] || err_exit "read -n3 from fifo failed -- expected '$exp', got '$a'"
# rm -f $tmp/fifo
# mkfifo $tmp/fifo 2> /dev/null
# (print -n a; sleep 1;print -n bcde) > $tmp/fifo &
# {
# read -u5 -N3 -t2 a || err_exit 'read -N3 from fifo timed out'
# read -u5 -N1 -t2 b || err_exit 'read -N1 from fifo timedout'
# } 5< $tmp/fifo
# exp=abc
# [[ $a == $exp ]] || err_exit "read -N3 from fifo failed -- expected '$exp', got '$a'"
# exp=d
# [[ $b == $exp ]] || err_exit "read -N1 from fifo failed -- expected '$exp', got '$b'"
#fi
#rm -f $tmp/fifo
function longline
{
integer i
for((i=0; i < $1; i++))
do print argument$i
done
}
# test command -x option
integer sum=0 n=10000
if ! ${SHELL:-ksh} -c 'print $#' count $(longline $n) > /dev/null 2>&1
then for i in $(command command -x ${SHELL:-ksh} -c 'print $#;[[ $1 != argument0 ]]' count $(longline $n) 2> /dev/null)
do ((sum += $i))
done
(( sum == n )) || err_exit "command -x processed only $sum arguments"
command -p command -x ${SHELL:-ksh} -c 'print $#;[[ $1 == argument0 ]]' count $(longline $n) > /dev/null 2>&1
[[ $? != 1 ]] && err_exit 'incorrect exit status for command -x'
fi
# test command -x option with extra arguments
integer sum=0 n=10000
if ! ${SHELL:-ksh} -c 'print $#' count $(longline $n) > /dev/null 2>&1
then for i in $(command command -x ${SHELL:-ksh} -c 'print $#;[[ $1 != argument0 ]]' count $(longline $n) one two three) #2> /dev/null)
do ((sum += $i))
done
(( sum > n )) || err_exit "command -x processed only $sum arguments"
(( (sum-n)%3==0 )) || err_exit "command -x processed only $sum arguments"
(( sum == n+3)) && err_exit "command -x processed only $sum arguments"
command -p command -x ${SHELL:-ksh} -c 'print $#;[[ $1 == argument0 ]]' count $(longline $n) > /dev/null 2>&1
[[ $? != 1 ]] && err_exit 'incorrect exit status for command -x'
fi
# test for debug trap
[[ $(typeset -i i=0
trap 'print $i' DEBUG
while (( i <2))
do (( i++))
done) == $'0\n0\n1\n1\n2' ]] || err_exit "DEBUG trap not working"
getconf UNIVERSE - ucb
[[ $($SHELL -c 'echo -3') == -3 ]] || err_exit "echo -3 not working in ucb universe"
typeset -F3 start_x=SECONDS total_t delay=0.02
typeset reps=50 leeway=5
sleep $(( 2 * leeway * reps * delay )) |
for (( i=0 ; i < reps ; i++ ))
do read -N1 -t $delay
done
(( total_t = SECONDS - start_x ))
if (( total_t > leeway * reps * delay ))
then err_exit "read -t in pipe taking $total_t secs - $(( reps * delay )) minimum - too long"
elif (( total_t < reps * delay ))
then err_exit "read -t in pipe taking $total_t secs - $(( reps * delay )) minimum - too fast"
fi
$SHELL -c 'sleep $(printf "%a" .95)' 2> /dev/null || err_exit "sleep doesn't except %a format constants"
$SHELL -c 'test \( ! -e \)' 2> /dev/null ; [[ $? == 1 ]] || err_exit 'test \( ! -e \) not working'
[[ $(ulimit) == "$(ulimit -fS)" ]] || err_exit 'ulimit is not the same as ulimit -fS'
tmpfile=$tmp/file.2
print $'\nprint -r -- "${.sh.file} ${LINENO} ${.sh.lineno}"' > $tmpfile
[[ $( . "$tmpfile") == "$tmpfile 2 1" ]] || err_exit 'dot command not working'
print -r -- "'xxx" > $tmpfile
[[ $($SHELL -c ". $tmpfile"$'\n print ok' 2> /dev/null) == ok ]] || err_exit 'syntax error in dot command affects next command'
float sec=$SECONDS del=4
exec 3>&2 2>/dev/null
$SHELL -c "( sleep 1; kill -ALRM \$\$ ) & sleep $del" 2> /dev/null
exitval=$?
(( sec = SECONDS - sec ))
exec 2>&3-
(( exitval )) && err_exit "sleep doesn't exit 0 with ALRM interrupt"
(( sec > (del - 1) )) || err_exit "ALRM signal causes sleep to terminate prematurely -- expected 3 sec, got $sec"
typeset -r z=3
y=5
for i in 123 z %x a.b.c
do ( unset $i) 2>/dev/null && err_exit "unset $i should fail"
done
a=()
for i in y y y[8] t[abc] y.d a.b a
do unset $i || print -u2 "err_exit unset $i should not fail"
done
[[ $($SHELL -c 'y=3; unset 123 y;print $?$y') == 1 ]] 2> /dev/null || err_exit 'y is not getting unset with unset 123 y'
[[ $($SHELL -c 'trap foo TERM; (trap;(trap) )') == 'trap -- foo TERM' ]] || err_exit 'traps not getting reset when subshell is last process'
n=$(printf "%b" 'a\0b\0c' | wc -c)
(( n == 5 )) || err_exit '\0 not working with %b format with printf'
t=$(ulimit -t)
[[ $($SHELL -c 'ulimit -v 15000 2>/dev/null; ulimit -t') == "$t" ]] || err_exit 'ulimit -v changes ulimit -t'
$SHELL 2> /dev/null -c 'cd ""' && err_exit 'cd "" not producing an error'
[[ $($SHELL 2> /dev/null -c 'cd "";print hi') != hi ]] && err_exit 'cd "" should not terminate script'
bincat=$(whence -p cat)
builtin cat
out=$tmp/seq.out
for ((i=1; i<=11; i++)); do print "$i"; done >$out
cmp -s <(print -- "$($bincat<( $bincat $out ) )") <(print -- "$(cat <( cat $out ) )") || err_exit "builtin cat differs from $bincat"
builtin -d cat
[[ $($SHELL -c '{ printf %R "["; print ok;}' 2> /dev/null) == ok ]] || err_exit $'\'printf %R "["\' causes shell to abort'
v=$( $SHELL -c $'
trap \'print "usr1"\' USR1
trap exit USR2
sleep 1 && {
kill -USR1 $$ && sleep 1
kill -0 $$ 2>/dev/null && kill -USR2 $$
} &
sleep 2 | read
echo done
' ) 2> /dev/null
[[ $v == $'usr1\ndone' ]] || err_exit 'read not terminating when receiving USR1 signal'
mkdir $tmp/tmpdir1
cd $tmp/tmpdir1
pwd=$PWD
cd ../tmpdir1
[[ $PWD == "$pwd" ]] || err_exit 'cd ../tmpdir1 causes directory to change'
cd "$pwd"
mv $tmp/tmpdir1 $tmp/tmpdir2
cd .. 2> /dev/null || err_exit 'cannot change directory to .. after current directory has been renamed'
[[ $PWD == "$tmp" ]] || err_exit 'after "cd $tmp/tmpdir1; cd .." directory is not $tmp'
cd "$tmp"
mkdir $tmp/tmpdir2/foo
pwd=$PWD
cd $tmp/tmpdir2/foo
mv $tmp/tmpdir2 $tmp/tmpdir1
cd ../.. 2> /dev/null || err_exit 'cannot change directory to ../.. after current directory has been renamed'
[[ $PWD == "$tmp" ]] || err_exit 'after "cd $tmp/tmpdir2; cd ../.." directory is not $tmp'
cd "$tmp"
rm -rf tmpdir1
cd /etc
cd ..
[[ $(pwd) == / ]] || err_exit 'cd /etc;cd ..;pwd is not /'
cd /etc
cd ../..
[[ $(pwd) == / ]] || err_exit 'cd /etc;cd ../..;pwd is not /'
cd /etc
cd .././..
[[ $(pwd) == / ]] || err_exit 'cd /etc;cd .././..;pwd is not /'
cd /usr/bin
cd ../..
[[ $(pwd) == / ]] || err_exit 'cd /usr/bin;cd ../..;pwd is not /'
cd /usr/bin
cd ..
[[ $(pwd) == /usr ]] || err_exit 'cd /usr/bin;cd ..;pwd is not /usr'
cd "$tmp"
if mkdir $tmp/t1
then (
cd $tmp/t1
> real_t1
(
cd ..
mv t1 t2
mkdir t1
)
[[ -f real_t1 ]] || err_exit 'real_t1 not found after parent directory renamed in subshell'
)
fi
cd "$tmp"
$SHELL +E -i <<- \! && err_exit 'interactive shell should not exit 0 after false'
false
exit
!
if kill -L > /dev/null 2>&1
then [[ $(kill -l HUP) == "$(kill -L HUP)" ]] || err_exit 'kill -l and kill -L are not the same when given a signal name'
[[ $(kill -l 9) == "$(kill -L 9)" ]] || err_exit 'kill -l and kill -L are not the same when given a signal number'
[[ $(kill -L) == *'9) KILL'* ]] || err_exit 'kill -L output does not contain 9) KILL'
fi
export ENV=/./dev/null
v=$($SHELL 2> /dev/null +o rc -ic $'getopts a:bc: opt --man\nprint $?')
[[ $v == 2* ]] || err_exit 'getopts --man does not exit 2 for interactive shells'
read baz <<< 'foo\\\\bar'
[[ $baz == 'foo\\bar' ]] || err_exit 'read of foo\\\\bar not getting foo\\bar'
: ~root
[[ $(builtin) == *.sh.tilde* ]] && err_exit 'builtin contains .sh.tilde'
# ======
# Check that I/O errors are detected <https://github.com/att/ast/issues/1093>
actual=$(
{
(
trap "" PIPE
for ((i = SECONDS + 1; SECONDS < i; )); do
print hi || {
print $? >&2
exit
}
done
) | true
} 2>&1
)
expect='1'
if [[ $actual != "$expect" ]]
then
err_exit "I/O error not detected: expected $(printf %q "$expect"), got $(printf %q "$actual")"
fi
# ======
# 'times' builtin
expect=$'0m00.0[0-9][0-9]s 0m00.0[0-9][0-9]s\n0m00.000s 0m00.000s'
actual=$("$SHELL" -c times)
[[ $actual == $expect ]] || err_exit "times output: expected $(printf %q "$expect"), got $(printf %q "$actual")"
expect=$'*: times: too many operands'
actual=$(set +x; eval 'times Extra Args' 2>&1)
[[ $actual == $expect ]] || err_exit "times with args: expected $(printf %q "$expect"), got $(printf %q "$actual")"
# ======
# 'whence' builtin
PATH=$tmp:$PATH $SHELL <<-\EOF || err_exit "'whence' gets wrong path on init"
wc=$(whence wc)
[[ -x $wc ]]
EOF
# ======
# `builtin -d` should not delete special builtins
(builtin -d export 2> /dev/null
PATH=/dev/null
whence -q export) || err_exit '`builtin -d` deletes special builtins'
# ======
# `read -r -d` should not ignore `-r`
printf '\\\000' | read -r -d ''
[[ $REPLY == $'\\' ]] || err_exit "read -r -d '' ignores -r"
# ======
# Preceding a special builtin with `command` should disable its special properties
foo=BUG command eval ':'
[[ $foo == BUG ]] && err_exit '`command` fails to disable the special properties of special builtins'
# ======
# 'whence -a' tests
# wrong path to tracked aliases after loading builtin: https://github.com/ksh93/ksh/pull/25
actual=$("$SHELL" -c '
whence chmod >/dev/null # add to hash table (create tracked alias)
builtin chmod
whence -a chmod
')
expected="chmod is a shell builtin
$(whence -a -p chmod | sed 's/^/chmod is /')
chmod is a tracked alias for $(whence -p chmod)"
[[ $actual == $expected ]] || err_exit "'whence -a' does not work correctly with tracked aliases" \
"(expected $(printf %q "$expected"), got $(printf %q "$actual"))"
# spurious 'undefined function' message: https://github.com/ksh93/ksh/issues/26
actual=$("$SHELL" -c 'whence -a printf')
expected="printf is a shell builtin
$(whence -a -p printf | sed 's/^/printf is /')"
[[ $actual == $expected ]] || err_exit "'whence -a': incorrect output" \
"(expected $(printf %q "$expected"), got $(printf %q "$actual"))"
# 'whence -a'/'type -a' failed to list builtin if function exists: https://github.com/ksh93/ksh/issues/83
actual=$(printf() { :; }; whence -a printf)
expected="printf is a function
printf is a shell builtin
$(whence -a -p printf | sed 's/^/printf is /')"
[[ $actual == $expected ]] || err_exit "'whence -a': incorrect output for function+builtin" \
"(expected $(printf %q "$expected"), got $(printf %q "$actual"))"
# 'whence -a'/'type -a' failed to list builtin if autoload function exists: https://github.com/ksh93/ksh/issues/83
actual=$(autoload printf; whence -a printf)
expected="printf is an undefined function
printf is a shell builtin
$(whence -a -p printf | sed 's/^/printf is /')"
[[ $actual == $expected ]] || err_exit "'whence -a': incorrect output for autoload+builtin" \
"(expected $(printf %q "$expected"), got $(printf %q "$actual"))"
# ======
# 'cd ../.foo' should not exclude the '.' in '.foo'
(
cd "$tmp"
mkdir foo .bar
cd foo
cd ../.bar
) || err_exit 'cd ../.bar when ../.bar exists should not fail'
# ======
# 'readonly' should set the correct scope when creating variables in functions
unset foo
(
function test_func
{
readonly foo="bar"
[[ "$foo" = "bar" ]] || err_exit "readonly variable is not assigned a value inside functions"
}
test_func
)
# ======
# Test the output of nonstandard date formats with 'printf %T'
[[ $(printf '%(%l)T') == $(printf '%(%_I)T') ]] || err_exit 'date format %l is not the same as %_I'
[[ $(printf '%(%k)T') == $(printf '%(%_H)T') ]] || err_exit 'date format %k is not the same as %_H'
[[ $(printf '%(%f)T') == $(printf '%(%Y.%m.%d-%H:%M:%S)T') ]] || err_exit 'date format %f is not the same as %Y.%m.%d-%H:%M:%S'
[[ $(printf '%(%q)T') == $(printf '%(%Qz)T') ]] && err_exit 'date format %q is the same as %Qz'
# Test manually specified blank and zero padding with 'printf %T'
(
IFS=$'\n\t' # Preserve spaces in output
for i in d e H I j J k l m M N S U V W y; do
for f in ' ' 0; do
if [[ $f == ' ' ]]; then
padding='blank'
specify='_'
else
padding='zero'
specify='0'
fi
actual="$(printf "%(%${specify}${i})T" 'January 1 6AM 2001')"
expect="${f}${actual:1}"
[[ $expect != $actual ]] && err_exit "Specifying $padding padding with format '%$i' doesn't work (expected '$expect', got '$actual')"
done
done
)
# ======
# Test various AST getopts usage/manual outputs
OPTIND=1
USAGE=$'
[-s8?
@(#)$Id: foo (ksh93) 2020-07-16 $
]
[+NAME?foo - bar]
[+DESC?Baz.]
[x:xylophone?Lorem.]
[y:ypsilon?Ipsum.]
[z:zeta?Sit.]
[ name=value ... ]
-y [ name ... ]
[+SEE ALSO?\bgetopts\b(1)]
'
function testusage {
getopts "$USAGE" dummy 2>&1
}
actual=$(testusage -\?)
expect='Usage: testusage [-xyz] [ name=value ... ]
Or: testusage [ options ] -y [ name ... ]'
[[ $actual == "$expect" ]] || err_exit "getopts: '-?' output" \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
actual=$(testusage --\?x)
expect='Usage: testusage [ options | --help | --man ] [ name=value ... ]
Or: testusage [ options ] -y [ name ... ]
OPTIONS
-x, --xylophone Lorem.'
[[ $actual == "$expect" ]] || err_exit "getopts: '--?x' output" \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
actual=$(testusage --help)
expect='Usage: testusage [ options | --help | --man ] [ name=value ... ]
Or: testusage [ options ] -y [ name ... ]
OPTIONS
-x, --xylophone Lorem.
-y, --ypsilon Ipsum.
-z, --zeta Sit.'
[[ $actual == "$expect" ]] || err_exit "getopts: '--help' output" \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
actual=$(testusage --man)
expect='NAME
foo - bar
SYNOPSIS
foo [ options | --help | --man ] [ name=value ... ]
foo [ options | --help | --man ] -y [ name ... ]
DESC
Baz.
OPTIONS
-x, --xylophone Lorem.
-y, --ypsilon Ipsum.
-z, --zeta Sit.
SEE ALSO
getopts(1)
IMPLEMENTATION
version foo (ksh93) 2020-07-16'
[[ $actual == "$expect" ]] || err_exit "getopts: '--man' output" \
"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"
# ======
# 'sleep -s' should work in interactive shells when seconds > 30.
sleepsig="$tmp/sleepsig.sh"
cat >| "$sleepsig" << 'EOF'
sleep -s 31 &
sleep .1
kill -CONT $!
sleep .1
if kill -0 $!; then
kill -TERM $! # Don't leave a lingering background process
exit 1
else
exit 0
fi
EOF
"$SHELL" -i "$sleepsig" 2> /dev/null || err_exit "'sleep -s' doesn't work with intervals of more than 30 seconds"
# ==========
# Builtins should handle unrecognized options correctly
(
builtin $(builtin -l | awk -F "/" '/\/opt/ {print $5}') # Load all /opt/ast/bin builtins
for name in $(builtin -l | grep -Ev '(echo|/opt|test|true|false|getconf|uname|\[|:)'); do
actual=$({ "$name" --this-option-does-not-exist; } 2>&1)
expect="Usage: $name"
[[ $actual =~ $expect ]] || err_exit "$name should show usage info on unrecognized options (expected $(printf '%q' "$expect"), got $(printf '%q' "$actual"))"
done
)
# ======
exit $((Errors<125?Errors:125))
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