source: trunk/essentials/app-shells/bash/tests/errors.tests@ 3253

# These should all be safe
LC_ALL=C
LC_CTYPE=C
LC_COLLATE=C
LC_MESSAGES=C

# these tests should all generate errors

# make sure we don't exit prematurely
set +e
set +o posix

# various alias/unalias errors

# at some point, this may mean to `export' an alias, like ksh, but
# for now it is an error
alias -x foo=barz
unalias -x fooaha
alias hoowah
unalias hoowah

# the iteration variable must be a valid identifier
for 1 in a b c; do echo $1; done

# try to rebind a read-only function
func()
{
        echo func
}
readonly -f func
# make sure `readonly' and `declare' play well together
declare -Fr
func()
{
        echo bar
}

# bad option
unset -x func

# cannot unset readonly functions or variables
unset -f func
# or make them not readonly
declare -fr func
declare -f +r func

XPATH=$PATH
declare -r XPATH
unset -v XPATH

# cannot unset invalid identifiers
unset /bin/sh

# cannot unset function and variable at the same time
unset -f -v SHELL

# bad option
declare -z
# cannot declare invalid identifiers
declare -- -z 
declare /bin/sh

# this is the syntax used to export functions in the environment, but
# it cannot be used with `declare'
declare -f func='() { echo "this is func"; }'

# bad option to exec -- this should not exit the script
exec -i /bin/sh

# try to export -f something that is not a function -- this should be
# an error, not create an `invisible function'
export -f XPATH

# this depends on the setting of BREAK_COMPLAINS in config.h.in
break
continue

# this should not exit the shell; it did in versions before 2.01
shift label

# other shells do not complain about the extra arguments; maybe someday
# we won't either
set -- a b c
shift $# label
# and get rid of the positional parameters
shift $#

# let without an expression is an error, though maybe it should just return
# success
let

# local outside a function is an error
local

# logout of a non-login shell is an error
logout

# try to hash a non-existant command
hash notthere

# bad option to hash, although it may mean `verbose' at some future point
hash -v

# turn off hashing, then try to hash something
set +o hashall
hash -p ${THIS_SH} ${THIS_SH##*/}

# bad identifiers to declare/readonly/export
export AA[4]
readonly AA[4]

declare -a AA
unset AA[-2]

# try to assign to a readonly array
declare -r AA
AA=( one two three )

# make sure `readonly -n' doesn't turn off readonly status
readonly -n AA
AA=(one two three)

# try to assign a readonly array with bad assignment syntax
# NOTE: this works in post-bash-2.05 (at least when I write this)
# readonly -a ZZZ=bbb

# bad counts to `shift'
shopt -s shift_verbose
shift $(( $# + 5 ))
shift -2

# bad shell options
shopt -s no_such_option
shopt no_such_option

# non-octal digits for umask and other errors
umask 09
umask -S u=rwx:g=rwx:o=rx >/dev/null # 002
umask -S u:rwx,g:rwx,o:rx >/dev/null # 002

# at some point, this may mean `invert', but for now it is an error
umask -i

# bad assignments shouldn't change the umask
mask=$(umask)
umask g=u
mask2=$(umask)
if [ "$mask" != "$mask2" ]; then
        echo "umask errors change process umask"
fi

# assignment to a readonly variable in environment
VAR=4
readonly VAR
VAR=7 :