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Diffstat (limited to '')
| -rw-r--r-- | tests/errors.tests | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/tests/errors.tests b/tests/errors.tests new file mode 100644 index 0000000..0880bb5 --- /dev/null +++ b/tests/errors.tests @@ -0,0 +1,308 @@ +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +# 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 $1; done + +# try to rebind a read-only function +func() +{ + echo func +} +readonly -f func +# make sure `readonly' and `declare' play well together +declare -Fr +func() +{ + echo bar +} + +# bad option +unset -x func + +# cannot unset readonly functions or variables +unset -f func +# or make them not readonly +declare -fr func +declare -f +r func + +# cannot use declare -f in combination with other attributes +a() { echo a; } +declare -f -a a +declare -f -i b c + +XPATH=$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-existent 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 : + +# more readonly variable tests +declare VAR=88 +declare +r VAR + +declare -p unset + +# iteration variable in a for statement being readonly +for VAR in 1 2 3 ; do echo $VAR; done + +# parser errors; caught early so we have to run them in subshells +${THIS_SH} -c ': $( for z in 1 2 3; do )' comsub +${THIS_SH} -c ': $( for z in 1 2 3; done )' comsub + +# various `cd' errors +( unset HOME ; cd ) +( HOME=/tmp/xyz.bash ; cd ) +# errors from cd +cd - +cd /bin/sh # error - not a directory +OLDPWD=/tmp/cd-notthere +cd - + +# various `source/.' errors +. +source + +# maybe someday this will work like in rc +. -i /dev/tty + +# make sure that this gives an error rather than setting $1 +set -q + +# enable non-builtins +enable sh bash + +# try to set and unset shell options simultaneously +shopt -s -u checkhash + +# this is an error -- bad timeout spec +read -t var < /dev/null + +# try to read into an invalid identifier +read /bin/sh < /dev/null + +# try to read into a readonly variable +read VAR < /dev/null + +# bad option to readonly/export +readonly -x foo + +# someday these may mean something, but for now they're errors +eval -i "echo $-" +command -i "echo $-" + +# this caused a core dump in bash-2.01 (fixed in bash-2.01.1) +eval echo \$[/bin/sh + 0] +eval echo '$((/bin/sh + 0))' + +# error to list trap for an unknown signal +trap -p NOSIG + +# maybe someday trap will take a -s argument like kill, but not now +trap -p -s NOSIG + +# we have a ksh-like ERR trap, post-bash-2.05 +#trap 'echo [$LINENO] -- error' ERR + +# can only return from a function or sourced script +return 2 + +# break and continue with arguments <= 0 +for z in 1 2 3; do + break 0 + echo $x +done +for z in 1 2 3; do + continue 0 + echo $x +done + +# builtin with non-builtin +builtin bash + +# maybe someday you will be able to use fg/bg when job control is not really +# active, but for now they are errors +bg +fg + +# argument required +kill -s +# bad argument +kill -S +# null argument +kill -INT '' +# argument required +kill -INT + +# bad shell option names +set -o trackall # bash is not ksh + +# problem with versions through bash-4.2 +readonly xx=5 +echo $((xx=5)) +echo $? + +${THIS_SH} ./errors1.sub +${THIS_SH} ./errors2.sub +${THIS_SH} ./errors3.sub +${THIS_SH} ./errors4.sub +${THIS_SH} -o posix ./errors4.sub + +${THIS_SH} ./errors5.sub + +${THIS_SH} ./errors6.sub +THIS_SH="${THIS_SH} -o posix" ${THIS_SH} ./errors6.sub + +${THIS_SH} ./errors7.sub +${THIS_SH} -o posix ./errors7.sub + +${THIS_SH} ./errors8.sub +${THIS_SH} ./errors9.sub + +${THIS_SH} -c 'return ; echo after return' bash +${THIS_SH} -o posix -c 'return ; echo after return' bash + +# this must be last! +# in posix mode, a function name must be a valid identifier +# this can't go in posix2.tests, since it causes the shell to exit +# immediately +set -o posix +function !! () { fc -s "$@" ; } +set +o posix + +echo end |