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Diffstat (limited to '')
| -rw-r--r-- | tests/exec6.sub | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tests/exec6.sub b/tests/exec6.sub new file mode 100644 index 0000000..dd53e74 --- /dev/null +++ b/tests/exec6.sub @@ -0,0 +1,67 @@ +# 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/>. +# +# builtins with exit status inverted + +( true ) +echo $? +( ! true ) +echo $? + +( false ) +echo $? +( ! false ) +echo $? + +# inverting shouldn't affect exit +(exit 42) +echo $? + +( ! exit 42 ) +echo $? + +# commands requiring an exec with exit status inverted -- broken in bash-2.04 + +( ls > /dev/null 2>&1 ) +echo $? +( ! ls > /dev/null 2>&1 ) +echo $? + +touch /tmp/notwrite +chmod 400 /tmp/notwrite + +# make sure redirection failures in commands whose exit status is inverted +# are handled correctly + +( ls > /tmp/notwrite ) 2>/dev/null +echo $? + +( ! ls > /tmp/notwrite ) 2>/dev/null +echo $? + +# now add exit traps, true and false for commands with and without exit +# status inversion + +(trap 'false' 0 ; ! ls > /tmp/notwrite ) 2>/dev/null +echo $? + +(trap 'false' 0 ; ls > /tmp/notwrite ) 2>/dev/null +echo $? + +(trap 'true' 0 ; ! ls > /tmp/notwrite ) 2>/dev/null +echo $? + +(trap 'true' 0 ; ls > /tmp/notwrite ) 2>/dev/null +echo $? + +rm -f /tmp/notwrite |