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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
commit | 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 (patch) | |
tree | f63ce19d57fad3ac4a15bc26dbfbfa2b834111b5 /tests/invert.tests | |
parent | Initial commit. (diff) | |
download | bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.tar.xz bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.zip |
Adding upstream version 5.2.15.upstream/5.2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/invert.tests')
-rw-r--r-- | tests/invert.tests | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/invert.tests b/tests/invert.tests new file mode 100644 index 0000000..f339d41 --- /dev/null +++ b/tests/invert.tests @@ -0,0 +1,32 @@ +# 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/>. +# +# tests of return value inversion +# placeholder for future expansion + +# user subshells (...) did this wrong in bash versions before 2.04 + +! ( echo hello | grep h >/dev/null 2>&1 ); echo $? +! echo hello | grep h >/dev/null 2>&1 ; echo $? + +! true ; echo $? +! false; echo $? + +! (false) ; echo $? +! (true); echo $? + +! true | false ; echo $? +! false | true ; echo $? + +! (true | false) ; echo $? +! (false | true) ; echo $? |